The chemistry of precipitation and its relation to aerosol in Beijing
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不同价态含硫物质的转化实验原理The conversion of sulfur-containing substances in different oxidation states is an essential process in various chemical and industrial applications. Through a series of transformational experiments, scientists and researchers aim to understand the underlying principles of these conversions, facilitating the development of more efficient and sustainable methods for utilizing sulfur-containing materials.在不同氧化状态下含硫物质的转化是各种化工和工业应用中的一个重要过程。
通过一系列的转化实验,科学家和研究人员的目标是了解这些转化的基本原理,促进开发出更高效和更可持续利用含硫材料的方法。
One of the most common transformations involving sulfur-containing substances is the conversion between sulfate and sulfide. This conversion is of particular interest due to its relevance in environmental and biological processes. Sulfur is an essential element for all living organisms and exists in various oxidation states within biological systems. Understanding the transformation between sulfate and sulfide can provide valuable insights intobiogeochemical cycles, environmental remediation, and even human health.含硫物质中最常见的转化之一是硫酸盐和硫化物之间的转化。
Actinium(Ac) 锕 Aluminium(Al) 铝 Americium(Am) 镅 Antimony(Sb) 锑Argon(Ar) 氩Arsenic(As) 砷Astatine(At) 砹Barium(Ba) 钡Berkelium(Bk) 锫 Beryllium(Be) 铍 Bismuth(Bi) 铋Boron(B) 硼Bromine(Br) 溴Cadmium(Cd) 镉Caesium(Cs) 铯Calcium(Ca) 钙Californium(Cf) 锎 Carbon(C) 碳Cerium(Ce) 铈Chlorine(Cl) 氯Chromium(Cr) 铬Cobalt(Co) 钴Copper(Cu) 铜Curium(Cm) 锔Dysprosium(Dy) 镝 Einsteinium(Es) 锿 Erbium(Er) 铒Europium(Eu) 铕Fermium(Fm) 镄Fluorine(F) 氟Francium(Fr) 钫Gadolinium(Gd) 钆 Gallium(Ga) 镓Germanium(Ge) 锗 Gold(Au) 金Hafnium(Hf) 铪Helium(He) 氦Holmium(Ho) 钬Hydrogen(H) 氢Indium(In) 铟Iodine(I) 碘Iridium(Ir) 铱Iron(Fe) 铁Krypton(Kr) 氪Lanthanum(La) 镧 Lawrencium(Lr) 铹 Lead(Pb) 铅Lithium(Li) 锂Lutetium(Lu) 镥Magnesium(Mg) 镁Manganese(Mn) 锰Mendelevium(Md) 钔Mercury(Hg) 汞Molybdenum(Mo) 钼Neodymium(Nd) 钕Neon(Ne) 氖Neptunium(Np) 镎Nickel(Ni) 镍Niobium(Nb) 铌Nitrogen(N) 氮Nobelium(No) 锘Osmium(Os) 锇Oxygen(O) 氧Palladium(Pd) 钯Phosphorus(P) 磷Platinum(Pt) 铂Plutonium(Pu) 钚Polonium(Po) 钋Potassium(K) 钾Praseodymium(Pr) 镨Promethium(Pm) 钷Protactinium(Pa) 镤Radium(Ra) 镭Radon(Rn) 氡Rhenium(Re) 铼Rhodium(Rh) 铑Rubidium(Rb) 铷Ruthenium(Ru) 钌Samarium(Sm) 钐Scandium(Sc) 钪Selenium(Se) 硒Silicon(Si) 硅Silver(Ag) 银Sodium(Na) 钠Strontium(Sr) 锶Sulphur(S) 锍Tantalum(Ta) 钽Technetium(Tc) 锝Tellurium(Te) 碲Terbium(Tb) 铽Thallium(Tl) 铊Thorium(Th) 钍Tin(Sn) 锡Thulium(Tm) 铥Titanium(Ti) 钛Tungsten(W) 钨Uranium(U) 铀Vanadium(V) 钒Xenon(Xe) 氙Ytterbium(Yb) 镱Yttrium(Y) 钇Zinc(Zn) 锌Zirconium(Zr) 锆Bunsen burner 本生灯product 化学反应产物flask 烧瓶apparatus 设备PH indicator PH值指示剂,氢离子(浓度的)负指数指示剂matrass 卵形瓶litmus 石蕊litmus paper 石蕊试纸graduate, graduated flask 量筒,量杯reagent 试剂test tube 试管burette 滴定管retort 曲颈甑still 蒸馏釜cupel 烤钵crucible pot, melting pot 坩埚pipette 吸液管filter 滤管stirring rod 搅拌棒element 元素body 物体compound 化合物atom 原子gram atom 克原子atomic weight 原子量atomic number 原子数atomic mass 原子质量molecule 分子electrolyte 电解质ion 离子anion 阴离子cation 阳离子electron 电子isotope 同位素isomer 同分异物现象polymer 聚合物symbol 复合radical 基structural formula 分子式valence, valency 价monovalent 单价bivalent 二价halogen 成盐元素bond 原子的聚合mixture 混合combination 合成作用compound 合成物alloy 合金organic chemistry 有机化学 inorganic chemistry 无机化学 derivative 衍生物series 系列acid 酸hydrochloric acid 盐酸sulphuric acid 硫酸nitric acid 硝酸aqua fortis 王水fatty acid 脂肪酸organic acid 有机酸hydrosulphuric acid 氢硫酸 hydrogen sulfide 氢化硫alkali 碱,强碱ammonia 氨base 碱hydrate 水合物hydroxide 氢氧化物,羟化物hydracid 氢酸hydrocarbon 碳氢化合物,羟anhydride 酐alkaloid 生物碱aldehyde 醛oxide 氧化物phosphate 磷酸盐acetate 醋酸盐methane 甲烷,沼气butane 丁烷salt 盐potassium carbonate 碳酸钾 soda 苏打sodium carbonate 碳酸钠caustic potash 苛性钾caustic soda 苛性钠ester 酯 gel 凝胶体analysis 分解fractionation 分馏endothermic reaction 吸热反应exothermic reaction 放热反应precipitation 沉淀to precipitate 沉淀to distil, to distill 蒸馏distillation 蒸馏to calcine 煅烧to oxidize 氧化alkalinization 碱化to oxygenate, to oxidize脱氧,氧化to neutralize 中和to hydrogenate 氢化to hydrate 水合,水化to dehydrate 脱水fermentation 发酵solution 溶解combustion 燃烧fusion, melting 熔解alkalinity 碱性isomerism, isomery同分异物现象hydrolysis 水解electrolysis 电解electrode 电极anode 阳极,正极cathode 阴极,负极catalyst 催化剂catalysis 催化作用oxidization, oxidation 氧化reducer 还原剂dissolution 分解synthesis 合成reversible 可逆的氨 ammonia氨基酸 amino acid铵盐 ammonium salt饱和链烃saturated aliphatic hydrocarbon苯 benzene变性 denaturation不饱和烃unsaturated hydrocarbon超导材料superconductive material臭氧 ozone醇 alcohol次氯酸钾potassium hypochlorite醋酸钠 sodium acetate蛋白质 protein氮族元素nitrogen group element碘化钾 potassium iodide碘化钠 sodium iodide电化学腐蚀electrochemical corrosion电解质 electrolyte电离平衡 ionization equilibriu电子云 electron cloud淀粉 starch淀粉碘化钾试纸starch potassium iodide paper二氧化氮 nitrogen dioxide二氧化硅 silicon dioxide二氧化硫 sulphur dioxide二氧化锰 manganese dioxide芳香烃 arene放热反应 exothermic reaction非极性分子 non-polar molecule非极性键 non-polar bond肥皂 soap分馏 fractional distillation酚 phenol复合材料 composite干电池 dry cell干馏 dry distillation甘油 glycerol高分子化合物 polymer共价键 covalent bond官能团 functional group光化学烟雾 photochemical fog过氧化氢 hydrogen peroxide合成材料 synthetic material合成纤维 synthetic fiber合成橡胶 synthetic rubber核电荷数 nuclear charge number核素 nuclide化学电源 chemical power source化学反应速率chemical reaction rate化学键 chemical bond化学平衡 chemical equilibrium 还原剂 reducing agent磺化反应 sulfonation reaction 霍尔槽 Hull Cell极性分子 polar molecule极性键 polar bond加成反应 addition reaction加聚反应addition polymerization甲烷 methane碱金属 alkali metal碱石灰 soda lime结构式 structural formula聚合反应 po1ymerization可逆反应 reversible reaction 空气污染指数air pollution index勒夏特列原理Le Chatelier's principle离子反应 ionic reaction离子方程式 ionic equation离子键 ionic bond锂电池 lithium cell两性氢氧化物amphoteric hydroxide两性氧化物amphoteric oxide裂化 cracking裂解 pyrolysis硫氰化钾potassium thiocyanate硫酸钠 sodium sulphide氯化铵 ammonium chloride氯化钡 barium chloride氯化钾 potassium chloride氯化铝 aluminium chloride氯化镁 magnesium chloride氯化氢 hydrogen chloride氯化铁 iron (III) chloride氯水 chlorine water麦芽糖 maltose煤 coal酶 enzyme摩尔 mole摩尔质量 molar mass 品红 magenta或fuchsine葡萄糖 glucose气体摩尔体积molar volume of gas铅蓄电池lead storage battery强电解质 strong electrolyte氢氟酸 hydrogen chloride氢氧化铝aluminium hydroxide取代反应substitution reaction醛 aldehyde炔烃 alkyne燃料电池 fuel cell弱电解质 weak electrolyte石油 Petroleum水解反应hydrolysis reaction四氯化碳carbon tetrachloride塑料 plastic塑料的降解 plastic degradation塑料的老化 plastic ageing酸碱中和滴定acid-base neutralization titration酸雨 acid rain羧酸 carboxylic acid碳酸钠 sodium carbonate碳酸氢铵ammonium bicarbonate碳酸氢钠 sodium bicarbonate糖类 carbohydrate烃 hydrocarbon烃的衍生物derivative of hydrocarbon烃基 hydrocarbonyl同分异构体 isomer同素异形体 allotrope同位素 isotope同系物 homo1og涂料 coating烷烃 alkane物质的量amount of substance物质的量浓度amount-of-substanceconcentration of B烯烃 alkene洗涤剂 detergent纤维素 cellulose相对分子质量relative molecular mass相对原子质量relative atomic mass消去反应elimination reaction硝化反应 nitratlon reaction硝酸钡 barium nitrate硝酸银 silver nitrate溴的四氯化碳溶液solution of bromine in carbontetrachloride溴化钠 sodium bromide溴水 bromine water溴水 bromine water盐类的水解 hydrolysis of salts盐析 salting-out焰色反应 flame test氧化剂 oxidizing agent氧化铝 aluminium oxide氧化铁 iron (III) oxide乙醇 ethanol乙醛 ethana1乙炔 ethyne乙酸 ethanoic acid乙酸乙酯 ethyl acetate乙烯 ethene银镜反应 silver mirror reactio硬脂酸 stearic acid油脂 oils and fats有机化合物 organic compound元素周期表periodic table of elements元素周期律periodic law of elements原电池 primary battery原子序数 atomic number皂化反应 saponification粘合剂 adhesive蔗糖 sucrose指示剂 Indicator酯 ester酯化反应 esterification周期 period族 group(主族:main group)基础化学常用英语词汇380条1. The Ideal-Gas Equation 理想气体状态方程2. Partial Pressures 分压3. Real Gases: Deviation from Ideal Beh***ior 真实气体:对理想气体行为的偏离4. The van der Waals Equation范德华方程5. System and Surroundings系统与环境6. State and State Functions状态与状态函数7. Process 过程8. Phase 相9. The First Law of Thermodynamics 热力学第一定律10. Heat and Work 热与功11. Endothermic and Exothermic Processes 吸热与发热过程12. Enthalpies of Reactions反应热13. Hess’s Law 盖斯定律14. Enthalpies of Formation生成焓15. Reaction Rates 反应速率16. Reaction Order 反应级数17. Rate Constants 速率常数18. Activation Energy 活化能19. The Arrhenius Equation阿累尼乌斯方程20. Reaction Mechanisms 反应机理21. Homogeneous Catalysis 均相催化剂22. Heterogeneous Catalysis非均相催化剂23. Enzymes 酶24. The Equilibrium Constant平衡常数25. the Direction of Reaction反应方向26. Le Chatelier’s Principle列·沙特列原理27. Effects of Volume,Pressure, TemperatureChanges and Catalystsi. 体积,压力,温度变化以及催化剂的影响28. Spontaneous Processes 自发过程29. Entropy (StandardEntropy) 熵(标准熵)30. The Second Law ofThermodynamics 热力学第二定律31. Entropy Changes 熵变32. Standard Free-EnergyChanges 标准自由能变33. Acid-Bases 酸碱34. The Dissociation of Water水离解35. The Proton in Water 水合质子36. The pH Scales pH值37. Bronsted-Lowry Acids andBases Bronsted-Lowry 酸和碱38. Proton-TransferReactions 质子转移反应39. Conjugate Acid-BasePairs 共轭酸碱对40. Relative Strength ofAcids and Bases 酸碱的相对强度41. Lewis Acids and Bases 路易斯酸碱42. Hydrolysis of Metal Ions金属离子的水解43. Buffer Solutions 缓冲溶液44. The Common-Ion Effects同离子效应45. Buffer Capacity 缓冲容量46. Formation of Complex Ions配离子的形成47. Solubility 溶解度48. The Solubility-ProductConstant Ksp 溶度积常数49. Precipitation and separation of Ions 离子的沉淀与分离50. Selective Precipitation of Ions 离子的选择沉淀51. Oxidation-Reduction Reactions 氧化还原反应52. Oxidation Number 氧化数53. Balancing Oxidation-Reduction Equations 氧化还原反应方程的配平54. Half-Reaction 半反应55. Galvani Cell 原电池56. Voltaic Cell 伏特电池57. Cell EMF 电池电动势58. Standard Electrode Potentials 标准电极电势59. Oxidizing and Reducing Agents 氧化剂和还原剂60. The Nernst Equation 能斯特方程61. Electrolysis 电解62. The W***e Beh***ior of Electrons 电子的波动性63. Bohr’s Model of The Hydrogen Atom 氢原子的波尔模型64. Line Spectra 线光谱65. Quantum Numbers 量子数66. Electron Spin 电子自旋67. Atomic Orbital 原子轨道68. The s (p, d, f) Orbital s(p,d,f)轨道69. Many-Electron Atoms 多电子原子70. Energies of Orbital 轨道能量71. The Pauli ExclusionPrinciple 泡林不相容原理72. Electron Configurations电子构型73. The Periodic Table 周期表74. Row 行75. Group 族76. Isotopes, Atomic Numbers,and Mass Numbers 同位素,原子数,质量数77. Periodic Properties ofthe Elements 元素的周期律78. Radius of Atoms 原子半径79. Ionization Energy 电离能80. Electronegativity 电负性81. Effective Nuclear Charge有效核电荷82. Electron Affinities 亲电性83. Metals 金属84. Nonmetals 非金属85. Valence Bond Theory 价键理论86. Covalence Bond 共价键87. Orbital Overlap 轨道重叠88. Multiple Bonds 重键89. Hybrid Orbital 杂化轨道90. The VSEPR Model 价层电子对互斥理论91. Molecular Geometries 分子空间构型92. Molecular Orbital 分子轨道93. Diatomic Molecules 双原子分子94. Bond Length 键长95. Bond Order 键级96. Bond Angles 键角97. Bond Enthalpies 键能98. Bond Polarity 键矩99. Dipole Moments 偶极矩100. Polarity Molecules 极性分子101. Polyatomic Molecules 多原子分子102. Crystal Structure 晶体结构103. Non-Crystal 非晶体104. Close Packing of Spheres球密堆积105. Metallic Solids 金属晶体106. Metallic Bond 金属键107. Alloys 合金108. Ionic Solids 离子晶体109. Ion-Dipole Forces 离子偶极力110. Molecular Forces 分子间力111. Intermolecular Forces 分子间作用力112. Hydrogen Bonding 氢键113. Covalent-Network Solids 原子晶体114. Compounds 化合物115. The Nomenclature, Composition and Structure of Complexes 配合物的命名,组成和结构116. Charges, Coordination Numbers, and Geometries 电荷数、配位数、及几何构型117. Chelates 螯合物118. Isomerism 异构现象119. Structural Isomerism 结构异构120. Stereoisomerism 立体异构121. Magnetism 磁性122. Electron Configurations in Octahedral Complexes 八面体构型配合物的电子分布123. Tetrahedral andSquare-planar Complexes 四面体和平面四边形配合物124. General Characteristics共性125. s-Block Elements s区元素126. Alkali Metals 碱金属127. Alkaline Earth Metals碱土金属128. Hydrides 氢化物129. Oxides 氧化物130. Peroxides andSuperoxides 过氧化物和超氧化物131. Hydroxides 氢氧化物132. Salts 盐133. p-Block Elements p区元素134. Boron Group (Boron,Aluminium, Gallium, Indium,Thallium) 硼族(硼,铝,镓,铟,铊)135. Borane 硼烷136. Carbon Group (Carbon,Silicon, Germanium, Tin,Lead) 碳族(碳,硅,锗,锡,铅)137. Graphite, CarbonMonoxide, Carbon Dioxide 石墨,一氧化碳,二氧化碳138. Carbonic Acid,Carbonates and Carbides 碳酸,碳酸盐,碳化物139. Occurrence andPreparation of Silicon 硅的存在和制备140. Silicic Acid,Silicates硅酸,硅酸盐141. Nitrogen Group(Phosphorus, Arsenic,Antimony, and Bismuth) 氮族(磷,砷,锑,铋)142. Ammonia, Nitric Acid,Phosphoric Acid 氨,硝酸,磷酸143. Phosphorates,phosphorus Halides 磷酸盐,卤化磷144. Oxygen Group (Oxygen,Sulfur, Selenium, andTellurium) 氧族元素(氧,硫,硒,碲)145. Ozone, HydrogenPeroxide 臭氧,过氧化氢146. Sulfides 硫化物147. Halogens (Fluorine,Chlorine, Bromine, Iodine)卤素(氟,氯,溴,碘)148. Halides, Chloride 卤化物,氯化物149. The Noble Gases 稀有气体150. Noble-Gas Compounds 稀有气体化合物151. d-Block elements d区元素152. Transition Metals 过渡金属153. Potassium Dichromate 重铬酸钾154. Potassium Permanganate 高锰酸钾155. Iron Copper Zinc Mercury 铁,铜,锌,汞156. f-Block Elements f区元素157. Lanthanides 镧系元素158. Radioactivity 放射性159. Nuclear Chemistry 核化学160. Nuclear Fission 核裂变161. Nuclear Fusion 核聚变162. analytical chemistry 分析化学163. qualitative analysis 定性分析164. quantitative analysis 定量分析165. chemical analysis 化学分析166. instrumental analysis 仪器分析167. titrimetry 滴定分析168. gr***imetric analysis 重量分析法169. regent 试剂170. chromatographicanalysis 色谱分析171. product 产物172. electrochemicalanalysis 电化学分析173. on-line analysis 在线分析174. macro analysis 常量分析175. characteristic 表征176. micro analysis 微量分析177. deformation analysis 形态分析178. semimicro analysis 半微量分析179. systematical error 系统误差180. routine analysis 常规分析181. random error 偶然误差182. arbitration analysis 仲裁分析183. gross error 过失误差184. normal distribution 正态分布185. accuracy 准确度186. deviation偏差187. precision精密度188. relative standarddeviation 相对标准偏差(RSD)189. coefficient variation变异系数(CV)190. confidence level置信水平191. confidence interval置信区间192. significant test显著性检验193. significant figure有效数字194. standard solution标准溶液195. titration滴定196. stoichiometric point化学计量点197. end point滴定终点198. titration error滴定误差199. primary standard基准物质200. amount of substance物质的量201. standardization标定202. chemical reaction化学反应203. concentration浓度204. chemical equilibrium 化学平衡205. titer 滴定度206. general equation for a chemical reaction 化学反应的通式207. proton theory of acid-base 酸碱质子理论208. acid-base titration 酸碱滴定法209. dissociation constant 解离常数210. conjugate acid-base pair 共轭酸碱对211. acetic acid 乙酸212. hydronium ion 水合氢离子213. electrolyte 电解质214. ion-product constant of water 水的离子积215. ionization 电离216. proton condition 质子平衡217. zero level 零水准218. buffer solution 缓冲溶液219. methyl orange甲基橙220. acid-base indicator酸碱指示剂221. phenolphthalein酚酞222. coordination compound配位化合物223. center ion中心离子224. cumulative stabilityconstant 累积稳定常数225. alpha coefficient酸效应系数226. overall stabilityconstant 总稳定常数227. ligand配位体228. ethylenediaminetetraacetic acid 乙二胺四乙酸229. side reactioncoefficient副反应系数230. coordination atom配位原子231. coordination number配位数232. lone pair electron孤对电子233. chelate compound螯合物234. metal indicator金属指示剂235. chelating agent螯合剂236. masking掩蔽237. demasking解蔽238. electron电子239. catalysis催化240. oxidation氧化241. catalyst催化剂242. reduction还原243. catalytic reaction催化反应244. reaction rate反应速率245. electrode potential电极电势246. activation energy反应的活化能247. redox couple氧化还原电对248. potassium permanganate高锰酸钾249. iodimetry碘量法250. potassium dichromate 重铬酸钾251. cerimetry 铈量法252. redox indicator 氧化还原指示253. oxygen consuming 耗氧量(OC)254. chemical oxygen demanded 化学需氧量(COD)255. dissolved oxygen 溶解氧(DO)256. precipitation 沉淀反应257. argentimetry 银量法258. heterogeneous equilibrium of ions 多相离子平衡259. aging 陈化260. postprecipitation 继沉淀261. coprecipitation 共沉淀262. ignition 灼烧263. fitration 过滤264. decantation 倾泻法265. chemical factor 化学因数266. spectrophotometry分光光度法267. colorimetry比色分析268. transmittance透光率269. absorptivity吸光率270. calibration curve校正曲线271. standard curve标准曲线272. monochromator单色器273. source光源274. w***elength dispersion色散275. absorption cell吸收池276. detector检测系统277. bathochromic shift红移278. Molar absorptivity摩尔吸光系数279. hypochromic shift紫移280. acetylene 乙炔281. ethylene 乙烯282. acetylating agent 乙酰化剂283. acetic acid 乙酸284. adiethyl ether 乙醚285. ethyl alcohol 乙醇286. acetaldehtde 乙醛287. β-dicarbontl compoundβ–二羰基化合物288. bimolecular elimination双分子消除反应289. bimolecularnucleophilic substitution双分子亲核取代反应290. open chain compound 开链族化合物291. molecular orbitaltheory 分子轨道理论292. chiral molecule 手性分子293. tautomerism 互变异构现象294. reaction mechanism 反应历程295. chemical shift 化学位移296. Walden inversio 瓦尔登反转n297. Enantiomorph 对映体298. addition rea ction 加成反应299. dextro- 右旋300. levo- 左旋301. stereochemistry 立体化学302. stereo isomer 立体异构体303. Lucas reagent 卢卡斯试剂304. covalent bond 共价键305. conjugated diene 共轭二烯烃306. conjugated double bond 共轭双键307. conjugated system 共轭体系308. conjugated effect 共轭效应309. isomer 同分异构体310. isomerism 同分异构现象311. organic chemistry 有机化学312. hybridization 杂化313. hybrid orbital 杂化轨道314. heterocyclic compound 杂环化合物315. peroxide effect 过氧化物效应t316. valence bond theory 价键理论317. sequence rule 次序规则318. electron-attracting grou p 吸电子基319. Huckel rule 休克尔规则320. Hinsberg test 兴斯堡试验321. infrared spectrum 红外光谱322. Michael reacton 麦克尔反应323. halogenated hydrocarbon卤代烃324. haloform reaction 卤仿反应325. systematic nomenclatur系统命名法e326. Newman projection 纽曼投影式327. aromatic compound 芳香族化合物328. aromatic character 芳香性r329. Claisen condensationreaction克莱森酯缩合反应330. Claisen rearrangement克莱森重排331. Diels-Alder reation 狄尔斯-阿尔得反应332. Clemmensen reduction 克莱门森还原333. Cannizzaro reaction 坎尼扎罗反应334. positional isomers 位置异构体335. unimolecularelimination reaction 单分子消除反应336. unimolecularnucleophilic substitution单分子亲核取代反应337. benzene 苯338. functional grou 官能团p339. configuration 构型340. conformation 构象341. confomational isome 构象异构体342. electrophilic addition亲电加成343. electrophilic reagent亲电试剂344. nucleophilic addition亲核加成345. nucleophilic reagent 亲核试剂346. nucleophilicsubstitution reaction亲核取代反应347. active intermediate 活性中间体348. Saytzeff rule 查依采夫规则349. cis-trans isomerism 顺反异构350. inductive effect 诱导效应 t351. Fehling’s reagent 费林试剂352. phase transfer catalysis 相转移催化作用353. aliphatic compound 脂肪族化合物354. elimination reaction 消除反应355. Grignard reagent 格利雅试剂356. nuclear magnetic resonance 核磁共振357. alkene 烯烃358. allyl cation 烯丙基正离子359. le***ing group 离去基团360. optical activity 旋光性361. boat confomation 船型构象362. silver mirror reaction 银镜反应363. Fischer projection 菲舍尔投影式364. Kekule structure 凯库勒结构式365. Friedel-Crafts reaction 傅列德尔-克拉夫茨反应366. Ketone 酮367. carboxylic acid 羧酸368. carboxylic acid derivative 羧酸衍生物369. hydroboration 硼氢化反应370. bond oength 键长371. bond energy 键能372. bond angle 键角373. carbohydrate 碳水化合物374. carbocation 碳正离子375. carbanion 碳负离子376. alcohol 醇377. Gofmann rule 霍夫曼规则378. Aldehyde 醛379. Ether 醚380. Polymer 聚合物欢迎您的下载,资料仅供参考!致力为企业和个人提供合同协议,策划案计划书,学习资料等等打造全网一站式需求。
化学英语证书考试(PEC)-基础化学常用词汇1. The Ideal-Gas Equation 理想气体状态方程2. Partial Pressures 分压3. Real Gases: Deviation from Ideal Behavior 真实气体:对理想气体行为的偏离4. The van der Waals Equation 范德华方程5. System and Surroundings 系统与环境6. State and State Functions 状态与状态函数7. Process 过程8. Phase 相9. The First Law of Thermodynamics 热力学第一定律10. Heat and Work 热与功11. Endothermic and Exothermic Processes 吸热与发热过程12. Enthalpies of Reactions 反应热13. Hess’s Law 盖斯定律14. Enthalpies of Formation 生成焓15. Reaction Rates 反应速率16. Reaction Order 反应级数17. Rate Constants 速率常数18. Activation Energy 活化能19. The Arrhenius Equation 阿累尼乌斯方程20. Reaction Mechanisms 反应机理21. Homogeneous Catalysis 均相催化剂22. Heterogeneous Catalysis 非均相催化剂23. Enzymes 酶24. The Equilibrium Constant 平衡常数25. the Direction of Reaction 反应方向26. Le Chatelier’s Principle 列·沙特列原理27. Effects of Volume, Pressure, Temperature Changes and Catalystsi. 体积,压力,温度变化以及催化剂的影响28. Spontaneous Processes 自发过程29. Entropy (Standard Entropy) 熵(标准熵)30. The Second Law of Thermodynamics 热力学第二定律31. Entropy Changes 熵变32. Standard Free-Energy Changes 标准自由能变33. Acid-Bases 酸碱34. The Dissociation of Water 水离解35. The Proton in Water 水合质子36. The pH Scales pH值37. Bronsted-Lowry Acids and Bases Bronsted-Lowry 酸和碱38. Proton-Transfer Reactions 质子转移反应39. Conjugate Acid-Base Pairs 共轭酸碱对40. Relative Strength of Acids and Bases 酸碱的相对强度41. Lewis Acids and Bases 路易斯酸碱42. Hydrolysis of Metal Ions 金属离子的水解43. Buffer Solutions 缓冲溶液44. The Common-Ion Effects 同离子效应45. Buffer Capacity 缓冲容量46. Formation of Complex Ions 配离子的形成47. Solubility 溶解度48. The Solubility-Product Constant Ksp 溶度积常数49. Precipitation and separation of Ions 离子的沉淀与分离50. Selective Precipitation of Ions 离子的选择沉淀51. Oxidation-Reduction Reactions 氧化还原反应52. Oxidation Number 氧化数53. Balancing Oxidation-Reduction Equations 氧化还原反应方程的配平54. Half-Reaction 半反应55. Galvani Cell 原电池56. V oltaic Cell 伏特电池57. Cell EMF 电池电动势58. Standard Electrode Potentials 标准电极电势59. Oxidizing and Reducing Agents 氧化剂和还原剂60. The Nernst Equation 能斯特方程61. Electrolysis 电解62. The Wave Behavior of Electrons 电子的波动性63. Bohr’s Model of The Hydrogen Atom 氢原子的波尔模型64. Line Spectra 线光谱65. Quantum Numbers 量子数66. Electron Spin 电子自旋67. Atomic Orbital 原子轨道68. The s (p, d, f) Orbital s(p,d,f)轨道69. Many-Electron Atoms 多电子原子70. Energies of Orbital 轨道能量71. The Pauli Exclusion Principle 泡林不相容原理72. Electron Configurations 电子构型73. The Periodic Table 周期表74. Row 行75. Group 族76. Isotopes, Atomic Numbers, and Mass Numbers 同位素,原子数,质量数77. Periodic Properties of the Elements 元素的周期律78. Radius of Atoms 原子半径79. Ionization Energy 电离能80. Electronegativity 电负性81. Effective Nuclear Charge 有效核电荷82. Electron Affinities 亲电性83. Metals 金属84. Nonmetals 非金属85. Valence Bond Theory 价键理论86. Covalence Bond 共价键87. Orbital Overlap 轨道重叠88. Multiple Bonds 重键89. Hybrid Orbital 杂化轨道90. The VSEPR Model 价层电子对互斥理论91. Molecular Geometries 分子空间构型92. Molecular Orbital 分子轨道93. Diatomic Molecules 双原子分子94. Bond Length 键长95. Bond Order 键级96. Bond Angles 键角97. Bond Enthalpies 键能98. Bond Polarity 键矩99. Dipole Moments 偶极矩100. Polarity Molecules 极性分子101. Polyatomic Molecules 多原子分子102. Crystal Structure 晶体结构103. Non-Crystal 非晶体104. Close Packing of Spheres 球密堆积105. Metallic Solids 金属晶体106. Metallic Bond 金属键107. Alloys 合金108. Ionic Solids 离子晶体109. Ion-Dipole Forces 离子偶极力110. Molecular Forces 分子间力111. Intermolecular Forces 分子间作用力112. Hydrogen Bonding 氢键113. Covalent-Network Solids 原子晶体114. Compounds 化合物115. The Nomenclature, Composition and Structure of Complexes 配合物的命名,组成和结构116. Charges, Coordination Numbers, and Geometries 电荷数、配位数、及几何构型117. Chelates 螯合物118. Isomerism 异构现象119. Structural Isomerism 结构异构120. Stereoisomerism 立体异构121. Magnetism 磁性122. Electron Configurations in Octahedral Complexes 八面体构型配合物的电子分布123. Tetrahedral and Square-planar Complexes 四面体和平面四边形配合物124. General Characteristics 共性125. s-Block Elements s区元素126. Alkali Metals 碱金属127. Alkaline Earth Metals 碱土金属128. Hydrides 氢化物129. Oxides 氧化物130. Peroxides and Superoxides 过氧化物和超氧化物131. Hydroxides 氢氧化物132. Salts 盐133. p-Block Elements p区元素134. Boron Group (Boron, Aluminium, Gallium, Indium, Thallium) 硼族(硼,铝,镓,铟,铊)135. Borane 硼烷136. Carbon Group (Carbon, Silicon, Germanium, Tin, Lead) 碳族(碳,硅,锗,锡,铅)137. Graphite, Carbon Monoxide, Carbon Dioxide 石墨,一氧化碳,二氧化碳138. Carbonic Acid, Carbonates and Carbides 碳酸,碳酸盐,碳化物139. Occurrence and Preparation of Silicon 硅的存在和制备140. Silicic Acid,Silicates 硅酸,硅酸盐141. Nitrogen Group (Phosphorus, Arsenic, Antimony, and Bismuth) 氮族(磷,砷,锑,铋)142. Ammonia, Nitric Acid, Phosphoric Acid 氨,硝酸,磷酸143. Phosphorates, phosphorus Halides 磷酸盐,卤化磷144. Oxygen Group (Oxygen, Sulfur, Selenium, and Tellurium) 氧族元素(氧,硫,硒,碲)145. Ozone, Hydrogen Peroxide 臭氧,过氧化氢146. Sulfides 硫化物147. Halogens (Fluorine, Chlorine, Bromine, Iodine) 卤素(氟,氯,溴,碘)148. Halides, Chloride 卤化物,氯化物149. The Noble Gases 稀有气体150. Noble-Gas Compounds 稀有气体化合物151. d-Block elements d区元素152. Transition Metals 过渡金属153. Potassium Dichromate 重铬酸钾154. Potassium Permanganate 高锰酸钾155. Iron Copper Zinc Mercury 铁,铜,锌,汞156. f-Block Elements f区元素157. Lanthanides 镧系元素158. Radioactivity 放射性159. Nuclear Chemistry 核化学160. Nuclear Fission 核裂变161. Nuclear Fusion 核聚变162. analytical chemistry 分析化学163. qualitative analysis 定性分析164. quantitative analysis 定量分析165. chemical analysis 化学分析166. instrumental analysis 仪器分析167. titrimetry 滴定分析168. gravimetric analysis 重量分析法169. regent 试剂170. chromatographic analysis 色谱分析171. product 产物172. electrochemical analysis 电化学分析173. on-line analysis 在线分析174. macro analysis 常量分析175. characteristic 表征176. micro analysis 微量分析177. deformation analysis 形态分析178. semimicro analysis 半微量分析179. systematical error 系统误差180. routine analysis 常规分析181. random error 偶然误差182. arbitration analysis 仲裁分析183. gross error 过失误差184. normal distribution 正态分布185. accuracy 准确度186. deviation 偏差187. precision 精密度188. relative standard deviation 相对标准偏差(RSD)189. coefficient variation 变异系数(CV)190. confidence level 置信水平191. confidence interval 置信区间192. significant test 显著性检验193. significant figure 有效数字194. standard solution 标准溶液195. titration 滴定196. stoichiometric point 化学计量点197. end point 滴定终点198. titration error 滴定误差199. primary standard 基准物质200. amount of substance 物质的量201. standardization 标定202. chemical reaction 化学反应203. concentration 浓度204. chemical equilibrium 化学平衡205. titer 滴定度206. general equation for a chemical reaction 化学反应的通式207. proton theory of acid-base 酸碱质子理论208. acid-base titration 酸碱滴定法209. dissociation constant 解离常数210. conjugate acid-base pair 共轭酸碱对211. acetic acid 乙酸212. hydronium ion 水合氢离子213. electrolyte 电解质214. ion-product constant of water 水的离子积215. ionization 电离216. proton condition 质子平衡217. zero level 零水准218. buffer solution 缓冲溶液219. methyl orange 甲基橙220. acid-base indicator 酸碱指示剂221. phenolphthalein 酚酞222. coordination compound 配位化合物223. center ion 中心离子224. cumulative stability constant 累积稳定常数225. alpha coefficient 酸效应系数226. overall stability constant 总稳定常数227. ligand 配位体228. ethylenediamine tetraacetic acid 乙二胺四乙酸229. side reaction coefficient 副反应系数230. coordination atom 配位原子231. coordination number 配位数232. lone pair electron 孤对电子233. chelate compound 螯合物234. metal indicator 金属指示剂235. chelating agent 螯合剂236. masking 掩蔽237. demasking 解蔽238. electron 电子239. catalysis 催化240. oxidation 氧化241. catalyst 催化剂242. reduction 还原243. catalytic reaction 催化反应244. reaction rate 反应速率245. electrode potential 电极电势246. activation energy 反应的活化能247. redox couple 氧化还原电对248. potassium permanganate 高锰酸钾249. iodimetry 碘量法250. potassium dichromate 重铬酸钾251. cerimetry 铈量法252. redox indicator 氧化还原指示253. oxygen consuming 耗氧量(OC)254. chemical oxygen demanded 化学需氧量(COD) 255. dissolved oxygen 溶解氧(DO)256. precipitation 沉淀反应257. argentimetry 银量法258. heterogeneous equilibrium of ions 多相离子平衡259. aging 陈化260. postprecipitation 继沉淀261. coprecipitation 共沉淀262. ignition 灼烧263. fitration 过滤264. decantation 倾泻法265. chemical factor 化学因数266. spectrophotometry 分光光度法267. colorimetry 比色分析268. transmittance 透光率269. absorptivity 吸光率270. calibration curve 校正曲线271. standard curve 标准曲线272. monochromator 单色器273. source 光源274. wavelength dispersion 色散275. absorption cell 吸收池276. detector 检测系统277. bathochromic shift 红移278. Molar absorptivity 摩尔吸光系数279. hypochromic shift 紫移280. acetylene 乙炔281. ethylene 乙烯282. acetylating agent 乙酰化剂283. acetic acid 乙酸284. adiethyl ether 乙醚285. ethyl alcohol 乙醇286. acetaldehtde 乙醛287. β-dicarbontl compound β–二羰基化合物288. bimolecular elimination 双分子消除反应289. bimolecular nucleophilic substitution 双分子亲核取代反应290. open chain compound 开链族化合物291. molecular orbital theory 分子轨道理论292. chiral molecule 手性分子293. tautomerism 互变异构现象294. reaction mechanism 反应历程295. chemical shift 化学位移296. Walden inversio 瓦尔登反转n297. Enantiomorph 对映体298. addition rea ction 加成反应299. dextro- 右旋300. levo- 左旋301. stereochemistry 立体化学302. stereo isomer 立体异构体303. Lucas reagent 卢卡斯试剂304. covalent bond 共价键305. conjugated diene 共轭二烯烃306. conjugated double bond 共轭双键307. conjugated system 共轭体系308. conjugated effect 共轭效应309. isomer 同分异构体310. isomerism 同分异构现象311. organic chemistry 有机化学312. hybridization 杂化313. hybrid orbital 杂化轨道314. heterocyclic compound 杂环化合物315. peroxide effect 过氧化物效应t316. valence bond theory 价键理论317. sequence rule 次序规则318. electron-attracting grou p 吸电子基319. Huckel rule 休克尔规则320. Hinsberg test 兴斯堡试验321. infrared spectrum 红外光谱322. Michael reacton 麦克尔反应323. halogenated hydrocarbon 卤代烃324. haloform reaction 卤仿反应325. systematic nomenclatur 系统命名法e326. Newman projection 纽曼投影式327. aromatic compound 芳香族化合物328. aromatic character 芳香性r329. Claisen condensation reaction克莱森酯缩合反应330. Claisen rearrangement 克莱森重排331. Diels-Alder reation 狄尔斯-阿尔得反应332. Clemmensen reduction 克莱门森还原333. Cannizzaro reaction 坎尼扎罗反应334. positional isomers 位置异构体335. unimolecular elimination reaction 单分子消除反应336. unimolecular nucleophilic substitution 单分子亲核取代反应337. benzene 苯338. functional grou 官能团p339. configuration 构型340. conformation 构象341. confomational isome 构象异构体342. electrophilic addition 亲电加成343. electrophilic reagent 亲电试剂344. nucleophilic addition 亲核加成345. nucleophilic reagent 亲核试剂346. nucleophilic substitution reaction亲核取代反应347. active intermediate 活性中间体348. Saytzeff rule 查依采夫规则349. cis-trans isomerism 顺反异构350. inductive effect 诱导效应t351. Fehling’s reagent 费林试剂352. phase transfer catalysis 相转移催化作用353. aliphatic compound 脂肪族化合物354. elimination reaction 消除反应355. Grignard reagent 格利雅试剂356. nuclear magnetic resonance 核磁共振357. alkene 烯烃358. allyl cation 烯丙基正离子359. leaving group 离去基团360. optical activity 旋光性361. boat confomation 船型构象362. silver mirror reaction 银镜反应363. Fischer projection 菲舍尔投影式364. Kekule structure 凯库勒结构式365. Friedel-Crafts reaction 傅列德尔-克拉夫茨反应366. Ketone 酮367. carboxylic acid 羧酸368. carboxylic acid derivative 羧酸衍生物369. hydroboration 硼氢化反应370. bond oength 键长371. bond energy 键能372. bond angle 键角373. carbohydrate 碳水化合物374. carbocation 碳正离子375. carbanion 碳负离子376. alcohol 醇377. Gofmann rule 霍夫曼规则378. Aldehyde 醛379. Ether 醚380. Polymer 聚合物。
沉淀聚合诱导自组装英文回答:Precipitation, aggregation, and induction of self-assembly are three important processes in the field of materials science and chemistry. These processes play a crucial role in the formation of complex structures and functional materials.Precipitation refers to the formation of solid particles from a solution. It occurs when the solute concentration exceeds its solubility limit, resulting in the formation of insoluble particles. This process can be induced by various factors such as temperature, pH, and concentration. For example, when a solution of calcium chloride and sodium carbonate is mixed, calcium carbonate precipitates out of the solution due to the reaction between the two compounds.Aggregation, on the other hand, involves the assemblyof particles or molecules to form larger structures. This process can occur through various mechanisms, such as van der Waals forces, electrostatic interactions, orhydrophobic interactions. An example of aggregation is the formation of micelles in a solution of surfactant molecules. These micelles are formed when the hydrophobic tails of the surfactant molecules aggregate together, while the hydrophilic heads remain in contact with the solvent.Induction of self-assembly refers to the process of guiding the formation of ordered structures throughexternal stimuli or templates. This can be achieved byusing molecules or nanoparticles as templates, or by applying external fields such as magnetic or electric fields. For instance, in the field of nanotechnology, researchers have developed methods to induce the self-assembly of nanoparticles into specific patterns by using DNA strands as templates.Overall, precipitation, aggregation, and induction of self-assembly are important processes in the formation of complex structures and functional materials. Theseprocesses can be controlled and manipulated to create materials with desired properties and functionalities.中文回答:沉淀、聚合和诱导自组装是材料科学和化学领域中三个重要的过程。
普通化学 General Chemistry分析化学 Analytical Chemistry有机化学 Organic Chemistry物理化学 Physical Chemistry谱学导论 Introducton of Spectroscopy无机化学 Inorganic Chemistry普通化学和分析化学实验 Experiments of General and Analytical Chemistry 现在基础化学 The Principle of Mordern Chemistry现在基础化学实验 Experiments of Modern Fundamental Chemistry 有机化学实验 Experiments of Organic Chemistry仪器分析和物理化学实验 Experiments of Instrumental Analysis and Physica 合成化学实验 Experiments of Synthetic Chemistry现代化学专题 Topic of Modern Chemistry化学综合实验 Experiments of Comprehensive Chemistry化工原理 Principle of Chemical Engineering化工原理实验 Experiments of Chemical Engineering应用化学实验 Experiments of Applied Chemistry无机合成化学 Synthetic Inorganic Chemistry近代分析化学 Modern Analytical Chemistry分离分析化学 Separation Analytical Chemistry有机化合物波谱鉴定 Spectrum Identification of Organic Compounds 有机合成及反应机理 Organic Synthesis and Mechanics化学进展 Progress in Chemistry化学反应工程 Chemical Reaction Engineering应用电化学 Applied Electrochemistry工业催化 Industrial Catalysis环境化学 Environmental Chemistry环境监测 Environmental Monitoring化学科技英语 Scientific English for Chemistry数理方法在化学中的应用 Mathematical Statistics for Chemistry化工制图 Chemical Engineering Cartography计算机与化学测量实验 Computer and Chemical Measurement化学信息学 Chemoinformatics or Chemical Informatics应用化学专题 Special Topics in Applied Chemistry方案(建议书)proposal可行性研究 feasibility study方案设计 concept design工艺设计 process design基础设计 basic design详细设计 detail design开工会议 - kick-off meeting审核会议 review meeting外商投资 foreign investment中外合资 joint venture中外合营 joint venture补偿贸易 compensation trade合同合同附件 contract卖方 vendor买方 buyer顾客 client承包商 contractor工程公司 company供应范围 scope of supply生产范围 production scope生产能力 production capacity项目 project界区 battery limit装置 plant公用工程 utilities工艺流程图 process flow diagram工艺流程方块图 process block diagram管道及仪表流程图 piping and instrument drawing物料及热量平衡图 mass & heat balance diagram蒸汽及冷凝水平衡图 steam & condensate balance diagram 设备布置图 equipment layout设备表 equipment list成品(产品)() product(final product)副产品 by-product原料 raw-material设计基础数据 basic data for design技术数据 technical data数据表 data sheet设计文件 design document设计规定 design regulation现场服务 site service项目变更 project change用户变更 client change消耗定额 consumption quota技术转让 technical transfer技术知识 - technical know-howtechnical knowledge技术保证 technical guarantee咨询服务 consultative services技术服务 technical services工作地点 location施工现场 construction field报价 quotation标书 bidding book公司利润 company profit固定价合同 fixed price contract固定单价合同 fixed unit price contract成本加酬金合同 cost plus award fee contract定金 mobilization银行保证书 bank guarantee letter保留金 retention所得税 income taxes特别承包人税 special contractor's taxes城市和市政税 city and municipal taxes工作手册 work manual工作流程图 work flow diagram质量保证程序 QA/QC procedures采购计划 procurement plan施工计划 construction plan施工进度 construction schedule项目实施计划 project execution plan项目协调程序 project coordination procedure项目总进度计划 project master schedule设计网络计划 engineering network logic项目质量保证 project quality assurance项目质量控制 project quality control采购 procurement采购周期 procurement period会签 the squad check计算书 calculation sheets询价 inquiry检验 inspection运输 transportation开车 start up / commission验收 inspection & acceptance校核 check审核 review审定 approve版次 version部门 department专业 specialty项目号 project number图号 drawing number目录 contents序言 foreword章 chapter节 section项 itemMR material requisitionSPEC engineering specification(技术表)DATA SHEET() technical data sheet(技术评标)TBA() technical bid analysisPDP preliminary design package(项目经理)PM () project manager(专业负责人LDE( lead discipline engineer(材料询价单)MRQ() Material requisition for quotation(材料采购单)MRP() material requisition for purchase(基础工程设计包)BEP() basic engineering package&(管道及仪表流程图) ()P&ID() piping and instrument drawing(diagram)PFD process flow diagramNNF normally no flowFO failure openFC failure closeC/S/A civil/structure/architecture(详细设计阶段)DDP() detail design phase二. 工艺流程.连续过程continuous process 间歇过程batch process工艺叙述process description 工艺特点process feature操作operation反应reaction副反应side reaction絮凝flocculation浮洗flotation倾析decantation催化反应catalytical reaction 萃取extraction中和neutralization水解hydrolysis过滤filtration干燥drying还原reduction氧化oxidation氢化hydrogenation分解decomposition离解dissociation合成synthetics吸收absorption吸附adsorption解吸desorption结晶crystallization溶解solution调节modulate控制control悬浮suspension循环circulation再生regeneration再活化reactivation沥取leaching破碎crushing煅烧caloination沉降sedimentation沉淀precipitation气化gasification冷冻refrigeration固化、结晶、solidification包装package升华sublimation燃烧combustion引烧ignition蒸馏distillation碳化carbonization压缩compression三、化学物质及特性固体solid液体liquid气体gas化合物compound混合物mixture粉powder片状粉未flake小粒granule结晶crystal乳化物emulsion氧化物oxidizing agent还原剂reducing agent有机物organic material真空vacuum母液master liquor富液rich liquor贫液lean liquor萃出物extract萃余物raffinate絮凝剂flocculants冷冻盐水brine酸度acidity浓度concentration碱度alkalinity溶解度solubility凝固点solidificalion point沸点boiling point熔点melting point蒸发率evaporation rate粘度viscosity吸水的 ()water absorbent(a)无水的()anhydrous(a)外观appearance无色的()colorless(a)透明的()transparent(a)半透明的translucent密度density比重specific gravity催化剂catalyst燃烧combustion引燃ignition自然点-self-ignition temperature可燃气体combustible gas可燃液体inflammable liquid易燃液体volatile liquid爆炸混合物explosive mixture爆炸性环境 ()explosive atmosphere(environment)爆炸极限explosive concentration limit废水waste water废液waste liquid废气-off-gas噪声noise pollution成分composition挠度deflection力和力矩force and moment弯矩bending moment应力-应变曲线--stress-strain diagram百分比percentage环境温度ambient temperature工作温度operating设计温度 ()design temperature(pressure)相对湿度=RH=relative humidity油渣、淤泥sludge杂质impurity四、化工设备泵pump轴流泵axial flow pump真空泵vacuum pump屏蔽泵canned pump柱塞泵plunger pump涡轮泵turbine pump涡流泵vortex pump离心泵centrifugal pump喷射泵jet pump转子泵rotary pump管道泵inline pump双作用往复泵double action reciprocating pump计量泵metering pump深井泵deep well pump齿轮泵gear pump手摇泵()hand(wobble) pump螺杆泵 ()screw (spiral) pump潜水泵submersible pump斜转子泵inclined rotor pump封闭式电磁泵hermetically sealed magnetic drive pump 气升泵--air-lift-pump轴承bearing叶轮impeller虹吸管siphon高压容器high pressure vessel焚化炉incinerator火焰清除器flame arrester工业炉furnace烧嘴burner锅炉boiler回转窑rotary kiln加热器heater电加热器electric heater冷却器cooler冷凝器condenser换热器heat exchanger反应器reactor蒸馏釜still搅拌器agitator混合器mixer静态混合器static mixers管道混合器line mixers混合槽mixing tanks破碎机crusher磨碎机grinder研磨机pulverizer球磨机ballmill过滤器filter分离器separator干燥器drier翅片fins烟囱stack火炬flare筛子screen煅烧窑calciner倾析器decanter蒸发器evaporator再沸器reboiler萃取器extractor离心机centrifuger吸附(收)器adsorber结晶器crystallizer电解槽electrolyzer电除尘器electric precipitator洗涤器scrubber消石灰器slaker料仓bin料斗hopper加料器feeder增稠器thickener澄清器clarifier分级器classifier浮洗器flocculator废液池sump喷射器ejector喷头sprayer成套设备package unit仪器设备apparatus附属设备accessory旋转式压缩机rotary compressor往复式压缩机reciprocating compressor 水环式压缩机nash compressor螺杆式压缩机helical screw compressor 离心式压缩机centrifugal compressor多级压缩机mutiple stages compressor固定床反应器fixed bed reactor流化床反应器fluidized bed reactor管式反应器tubular reactor列管式换热器tubular heat exchanger螺旋板式换热器spiral plate heat exchanger 萃取塔extraction column板式塔plate column填料塔packed column洗涤塔scrubber吸收塔absorber冷却塔cooling tower精馏塔fractionating tower汽提塔stripper再生塔regenerator造粒塔prill tower塔附件tower accessories液体分配(布)器liquid distributor填料支持板support plate定距管spacer降液管downcomer升气管chimney顶(底)层塔盘 ()()top (bottom) tray挡板baffle抽出口draw nozzle溢流堰weir泡罩bubble cap筛板sieve plate浮阀float valve除沫器demister pad塔裙座skirt椭圆封头elliptical head高位槽head tank中间槽intermediate tank加料槽feed tank补给槽-make-up tank计量槽measuring tank电解槽cell溜槽chute收集槽collecting tank液滴分离器knockout drum稀释罐thinning tank缓冲罐surge drum回流罐reflux drum闪蒸罐flash drum浮顶罐floating roof tank内浮顶罐covered floating roof tank 球罐spheroid气柜gas holder湿式气柜 -wet gas-holder干式气柜 -dry gas-holder螺旋式气柜 -helical gas-holder星型放料器,旋转阀,rotary valve抽滤器mutche filter压滤器filter press压滤机pressure filter板框压滤器--plate-and-fram filter press 转鼓过滤器rotary drum filter带式过滤器belt filter翻盘式过滤器袋滤器bag filter旋风分离器cyclone separator盘式干燥箱compartment tray drier 真空干燥器vacuum drier隧道式干燥器tunnel drier回转干燥器rotary drier穿流循环干燥器through circulation drier 喷雾干燥器spray drier气流干燥器pneumatic conveyor drier 圆盘式加料器dish feeder螺旋式加料器screw feeder颚式破碎机jaw crusher回转破碎机gyratory crusher滚洞破碎机roll crusher锤式破碎机hammer crusher冲击破碎机rotor impact breaker气流喷射粉碎机jet pulverizer棍磨机rod mill雷蒙机raymond mill锤磨机hammer mill辊磨机roller mill振动筛vibrating screen回转筛rotary screen风机fan罗茨鼓风机roots blower起重机crane桥式起重机bridge crane电动葫芦motor hoist发电机generator电动机motor汽轮机steam turbine五、管道工程piping engineering阀门 valve阀杆stem内螺纹阀杆inside screw阀座 ( )valve seat (body seat)阀座环、密封圈sealing ring阀芯(包括密封圈,杆等)(,)trim阀盘disc阀体body阀盖bonnet手轮hand wheel手柄 ()hand level (handle)压盖gland闸阀gate valve平行双闸板double disc parallel seat楔形单闸板split wedge截止阀globe valve节流阀throttle valve针阀needle valve角阀(角式截止阀)()angle valve型阀(截止阀)-(- )Y()Y-valve(Y-body globe valve)球阀ball valve三通球阀3-3-way ball valve蝶阀butterfly valve对夹式(薄片型)()wafer type偏心阀板蝶阀 ()offset disc (eccentric) butterfly valve斜阀盘蝶阀canted disc butterfly valve连杆式蝶阀link butterfly valve止回式蝶阀 -combined non-return butterfly valve柱塞阀piston type valve旋塞阀plug valve三通旋塞阀-three-way plug valve四通旋塞阀-four-way plug valve旋塞cock衬套旋塞sleeve cock隔膜阀diaphragm valve橡胶衬里隔膜阀rubber lined diaphragm valve直通式隔膜阀straight way diaphragm valve夹紧式胶管阀pinch valve止回阀check valve升降式止回阀lift check valve旋启式止回阀swing check valve落球式止回阀ball check valve弹簧球式止回阀spring ball check valve底阀foot valve切断式止回阀stop check valve活塞式止回阀piston check valve翻板止回阀flap check valve蝶式止回阀butterfly check valve安全泄气阀[]safety[SV]安全泄放阀 []relief valve[RV]安全泄压阀safety relief valve杠杆重锤式lever and weight type罐底排污阀-flush-bottom tank valve波纹管密封阀bellow sealed valve电磁阀 ()solenoid (operated) valve电动阀(-)electrically(electric-motor)operated valve 气动阀pneumatic operated valve低温用阀cryogenic service valve蒸汽疏水阀steam trap机械式疏水阀mechanical trap浮桶式疏水阀 ()open (top) bucket trap浮球式疏水阀float trap倒吊桶式疏水阀inverted bucket trap自由浮球式疏水阀loose float trap恒温式疏水阀thermostatic trap压力平衡式恒温疏水阀balanced pressure thermostatic trap热动力式疏水阀thermodynamic trap脉冲式蒸汽疏水阀impulse steam trap放汽阀(自动放汽阀)()()(automatic) air vent valve换向阀 ()diverting (reversing) valve呼吸阀breather valve减压阀pressure reducing valve控制阀control valve执行机构actuator差压调节阀differential pressure regulating valve切断阀 (-, )block (shut-off, stop) valve调节阀regulating valve快开阀quick opening valve快闭阀quick closing valve隔断阀isolating valve三通阀three way valve夹套阀jacketed valve非旋转式阀-non-rotary valve2管子,管件,法兰管子(按标准制造的配管用管)pipe()(不按标准规格制造的其它用管)tube()钢管steel pipe铸铁管cast iron pipe衬里管lined pipe复合管clad pipe碳钢管 [..]carbon steel[C.S.]pipe合金钢管alloy steel pipe不锈钢管 [..]stainless steel[S.S.]pipe奥氏体不锈钢管austenitic stainless steel pipe铁合金钢管ferritic alloy steel pipe轧制钢管-wrought-steel pipe锻铁管-wrought-iron pipe无缝钢管[]seamless[SMLS] steel pipe焊接钢管welded steel pipe电阻焊钢管--electric-resistance-welded steel pipe电熔(弧)焊钢板卷管-()- -()electric-fusion(arc)-welded steel-plate pipe 螺旋焊接钢管spiral welded steel pipe镀锌钢管galvanized steel pipe排污阀blowdown valve集液排放阀drip valve排液阀drain valve放空阀vent valve卸载阀unloading valve排出阀discharge valve吸入阀suction valve取样阀sampling valve手动阀 (-)hand operated(manually-operated) valve (水)龙头;;()bibb;bib;faucet抽出液阀(小阀)()bleed valve旁路阀-by-pass valve软管阀hose valve混合阀mixing valve破真空阀vacuum breaker冲洗阀flush valve根部阀 (, )root (primary, header) valve水煤气钢管-water-gas steel pipe塑料管plastic pipe玻璃管glass tube橡胶管rubber tube壁厚 []wall thickness[WT]壁厚系列号 [..]schedule number[SCH.NO.]加厚的,加强的 (),extra heavy (strong)双倍加厚的,双倍加强的 (),double extra heavy (strong)弯头elbow异径弯头reducing elbow长半径弯头long radius elbow短半径弯头short radius elbow长半径180°弯头180°long radius return短半径180°弯头180°short radius return三通tee异径三通reducing tee等径三通straight tee带支座三通base tee45°斜三通45°45°45°lateral型三通""Ytrue"Y"四通cross异径管reducer同心异径管concentric reducer偏心异径管eccentric reducer管接头;coupling;full coupling活接头union短管nipple预制弯管fabricated pipe bend型弯管""U"U"bend法兰端flanged end万向接头universal joint对焊的 []butt welded[BW]螺纹的[]threaded[THD]承插焊的 []socket welded[SW]法兰[]flange[FLG]整体管法兰integral pipe flange钢管法兰steel pipe flange螺纹法兰threaded flange滑套法兰-slip-on flange平焊法兰--slip-on-welding flange承插焊法兰socket welding flange松套法兰 []lap joint flange[LJF]对焊法兰 []weld neck flange[WNF]法兰盖 ;blind flange;blind异径法兰reducing flange压力级 ()pressure rating(class)突面 []raised face[RF]凸面male face凹面female face全平面;满平面 ; [];flat face;full face[FF]3.管道特殊件 3.piping speciality粗滤器strainer过滤器filter临时过滤器 ( )temporary strainer(cone type)型过滤器-YY-type strainer型过滤器-TT-type strainer永久过滤器permanent filter洗眼器及淋浴器eye washer and shower视镜sight glass阻火器flame arrester喷咀;喷头;spray nozzle喷射器ejector取样冷却器sample cooler消音器silencer膨胀节expansion joint波纹膨胀节bellow补偿器compensator软管接头 []hose connection[HC]快速接头quick coupling金属软管metal hose橡胶管rubber hose挠性管flexible tube特殊法兰special flange漏斗funnel8字盲板 ( 8)8spectacle (figure 8) blind爆破板rupture disk4,其它材料4碳素钢 [..]carbon steel [C.S.]不锈钢 [..]stainless steel[S.S.]铸铁 [..]cast iron[C.I.]铝aluminum铜,紫铜,copper钛titanium抗拉强度tensile strength非金属材料-non-metallic material塑料plastic陶瓷ceramic搪瓷porcelain enamel玻璃glass橡胶rubber垫片[]gasket[GSKT]平垫片flat gasket填料packing型钢shaped steel角钢angle steel槽钢channel工字钢-I-beam宽缘工字钢或钢Hwide flanged beam扁钢flat bar圆钢 ;round steel; rod钢带strap steel网络钢板checkered plate材料表 []bill of material[BOM]材料统计 -[]material take-off[MTO]散装材料bulk material综合管道材料表consolidated piping material summary []sheet[CPMSS]汇总表summary sheet5.设备布置及管道设计中心线center line装置边界 []boundary limit[BL]区界area limit设备布置 ();equipment arrangement (layout);plot plan 标高,立面[],elevation[EL]支撑点 []point of support[POS]工厂北向plant north方位orientation危险区hazardous area classification净正吸入压头net positive suction head绝对标高absolute elevation坐标coordinate管道研究piping study管道布置平面 []piping arrangement plan[PAP]管道布置 ;piping assembly; layout详图detail""视图 """X"view "X""-" 剖视 "-""A-A" section "A-A"轴测图isometric drawing索引图key plan管道及仪表流程图 [&]piping and instrument diagram[P&ID]管口表list of nozzles地上管道above ground piping地下管道under ground piping管线号line number总管;header; manifold旁路by pass常开normally open常闭normally closed取样接口sampling connection伴热管tracing pipe蒸汽伴热steam tracing热水伴热-hot-water tracing电伴热electrical tracing 夹套管jacketed line全夹套管full jacketed比例scale图figure草图sketch图例legend符号symbol件号part n。
沉淀溶解英语In the process of chemistry, the terms "precipitation" and "dissolution" are commonly used to describe the phenomenon of substances either settling out of solution or being dissolved into a solvent.Precipitation refers to the formation of a solid from a solution during a chemical reaction. This solid, also known as a precipitate, can be formed when two soluble salts react to form an insoluble salt. For example, when sodium chloride and silver nitrate are mixed, a white precipitate of silver chloride forms due to its insolubility in water. This process is important in various chemical reactions and is often used to separate and purify substances.On the other hand, dissolution is the process in which a solid substance dissolves in a liquid to form a solution. This occurs when the attractive forces between the solute particles and the solvent particles are strong enough to overcome the forces holding the solute particles together. An example of dissolution is the process of sugardissolving in water to form a sweet solution. This processis also crucial in various industrial and biological processes.In both precipitation and dissolution, the principles of solubility play a crucial role. Solubility is the ability of a substance to dissolve in a solvent and is influenced by factors such as temperature, pressure, and the nature of the solute and solvent. Understanding the solubility of substances is essential in fields such as pharmaceuticals, environmental science, and material science.中文:在化学过程中,“沉淀”和“溶解”是常用来描述物质在溶液中沉淀或溶解的现象。
小学上册英语第2单元测验卷英语试题一、综合题(本题有100小题,每小题1分,共100分.每小题不选、错误,均不给分)1.My favorite subject is ________.2.The Grand Canyon is a famous ______ that was formed by the erosion of the Colorado River.3.The ______ is very supportive of her students.4.What is the color of a typical eggplant?A. GreenB. YellowC. PurpleD. RedC5.How many days are there in a week?A. 5B. 6C. 7D. 8C6.What is 4 + 4?A. 6B. 7C. 8D. 97.What is the main character in a story or play called?A. HeroB. VillainC. ProtagonistD. AntagonistC8.My brother, ______ (我弟弟), loves to play chess.9.What is the capital of Qatar?A. DohaB. Al RayyanC. Al WakrahD. LusailA10.The ________ is a small animal.11. A _______ is a reaction that occurs when an acid reacts with a base.12.I love to ______ (与他人交流) my ideas.13.What do you call a person who collects stamps?A. PhilatelistB. CollectorC. DealerD. HistorianA14.I like to _______ in the summer.15.We have a ________ (field trip) scheduled.16.What do you call the main character in a movie?A. LeadB. Supporting actorC. ExtraD. DirectorA17.The ancient Mayans are known for their ________ calendar.18.What is the capital city of Nigeria?A. LagosB. AbujaC. KanoD. Ibadan19.The __________ is a large area of frozen ocean. (北冰洋)20.What is the main ingredient in pancakes?A. RiceB. FlourC. SugarD. MilkB21.What is the capital city of Sweden?A. OsloB. CopenhagenC. HelsinkiD. StockholmD22.The ________ (小溪) runs through our backyard.23.Hydrogen is the lightest ______.24.The ________ (生态影响评估工具) assists in decision-making.25.She wears ________ (sneakers) for running.26.The _____ (果实) develops after flowers bloom.27.We will _______ (attend) a concert next week.28.The _____ (猴子) swings from tree to tree. It is very agile. 猴子在树间荡来荡去。
升华和凝华知识点Sublimation and condensation are two fundamental concepts in chemistry that involve the process of matter changing states. Sublimation occurs when a solid changes directly into a gas without passing through the liquid state, while condensation happens when a gas transforms into a liquid. These phenomena are crucial in understanding physical changes in matter and have practical applications in various industries.升华和凝华是化学中的两个基本概念,涉及物质状态变化的过程。
当固体直接变成气体而不经过液体状态时,发生升华;而凝华则是指气体变成液体的过程。
这些现象对于理解物质的物理变化至关重要,并在各种工业中具有实际应用价值。
One of the most common examples of sublimation is dry ice, which is solid carbon dioxide that transitions directly into a gas at room temperature. This process is utilized in industries such as food preservation, where the cold gas is used to maintain low temperatures for storing perishable goods. On the other hand, condensation plays a crucial role in the water cycle, where watervapor in the atmosphere condenses into liquid droplets that eventually form clouds and precipitation.升华最常见的例子之一是干冰,也就是固态二氧化碳在室温下直接转变成气态。
沉淀法的英语The Precipitation Method。
The precipitation method is a widely used technique in various scientific fields, including chemistry, material science, and environmental science. It involves the formation of a solid precipitate from a solution by adding a precipitating agent. This method is valuable for the synthesis of new materials, the purification of substances, and the removal of pollutants from wastewater. In this article, we will explore the principles, applications, and advantages of the precipitation method.The principle behind the precipitation method lies in the solubility of different compounds in a solvent. When two solutions containing ions that can react with each other are mixed, the solubility product is exceeded, resulting in the formation of an insoluble compound or precipitate. The precipitate can then be separated from the solution through filtration or centrifugation.One of the key applications of the precipitation method is in the synthesis of new materials. By carefully controlling the reaction conditions, researchers can produce nanoparticles, nanowires, and other nanostructures with specific properties. For example, by varying the concentration and pH of the solutions, the size and morphology of the precipitate can be controlled, leading to materials with different optical, electrical, or catalytic properties.Another important application of the precipitation method is in the purification of substances. Impurities can be selectively removed by precipitating them out of the solution. This is particularly useful in the pharmaceutical industry, where the purity of drugs is of utmost importance. By adding a suitable precipitating agent, impurities can be removed, resulting in a higher purity product.The precipitation method also finds application in environmental science, particularly in the treatment of wastewater. Many pollutants, such as heavy metals and organic compounds, can be removed from wastewater by precipitating them as insolublecompounds. This is an effective and economical method for the removal of pollutants before the treated water is discharged into the environment.One of the advantages of the precipitation method is its simplicity and cost-effectiveness. The equipment required for the process is relatively simple and inexpensive, making it accessible to researchers and industries with limited resources. Additionally, the precipitation method can be easily scaled up for large-scale production, making it suitable for industrial applications.However, the precipitation method also has its limitations. One challenge is the control of the size and morphology of the precipitate. The formation of unwanted by-products or the aggregation of particles can occur, affecting the desired properties of the final product. Therefore, careful optimization of the reaction conditions is necessary to achieve the desired results.In conclusion, the precipitation method is a valuable technique in various scientific fields. It allows for the synthesis of new materials, the purification of substances, and the removal of pollutants from wastewater. With its simplicity and cost-effectiveness, it is widely used in research and industrial applications. However, careful control of the reaction conditions is crucial to obtain the desired properties of the precipitate. Further research and development in this area will continue to enhance the effectiveness and efficiency of the precipitation method.。