矿物加工专业英语课后题短语、单词

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PAERT1 短语Unit1 lesson 1天然无机化合物natural inorganic substances 化学组成chemical compositions原子结构atomic structure有色金属矿石nonferrous ores有用矿物valuable minerals脉石矿物gangue minerals给矿品位feed grades非金属矿石non-metallic oresLeson2沉积岩sedimentary rocks 二氧化碳carbon dioxide发电power generation露天采矿open pit mining低灰分烟煤low-ash bituminous coal挥发分volatile constituents煤气化coal gasification直接液化direct liquefactionLesson3煤质分析coal assay煤的化学性质chemical properties of coal相对密度relative density 粒度分布particle size distribution自磨autonomous grinding燃烧试验combustion test灰分含量ash content of coal高品级煤high-rank coalLesson4矿石粒度the size of ores有用矿物颗粒the grains of valuable minerals低品位矿石low-grade ores解离度degree of liberation光学性质optical properties 磁性magnetic property导电性electrical conductivity propertiesLesson5连生颗粒locked particles最佳磨矿细度optimum mesh of grind破碎应力the breaking stresses颗粒边界mineral grain boundaries再磨regrind磨矿成本grinding costs粗粒脉石the coarse gangue单体颗粒single particlesUNIT3 Lesson1颗粒层厚度the thickness of the layer筛分效率the efficiency of screening难筛颗粒near mesh particlesUNIT4Lesson1 p78低品位复杂矿石low-grade complex ores预选pre-concentrate脱水dewatering矿物比重specific gravity of the mineral理想给料浓度an optimum feed pulp-densityLesson2 P84补偿水流supplied water干涉沉降hindered settling起始加速度the initial acceleration简谐运动harmonic motionLesson3 p88颗粒的横向运动 a lateral displacement of the material流膜分选flowing-film separation给矿槽the feed box冲刷水wash water径向振动vibrate longitudinally垂直分层vertical stratification耐磨材料hard wearing material矿砂摇床sand tablesPART 2句子UNIT TWO comminution (粉碎)L1 principles of comminution(粉碎原理)1、minerals are intimately associated with the gangue.矿石中有用矿物与脉石紧密共生。

2、crushing is usually a dry process,and is performed in several stages.破碎一般为干式作业,采用分段方法完成。

3、in the crystalline lattice of minerals,these inter-atomic bonds are effective only ....在矿物晶体的晶格内,原子键间只在很短的距离才有效。

4、newly formed surfaces are often more chemically active.新生成的表面通常具有更高的化学活性。

5、the energy required for comminution is reduced......有水存在的情况下,粉碎所需的能量减少。

L3 primary crushers1、jaw crushers are classified by the method of....颚式破碎机时根据动颚在枢轴上的悬挂方法分类的2、大块原矿截可以扩大到1.5米。

lumps of run-of-ore can be as large as..3、由于给料不足和设备的机械问题,通常粗碎机设计的工作时间只有可利用时间的75%primary crushers are commomly designed to operate 75%.....because interruptions...4、the oscillating movement of the swinging jaw is effected by vertical..双肘板颚式破碎机的动颚摆动运动受到连杆垂直运动的影响。

5、in mines with crushing rates above....在破碎速度大于900t.h`1 的矿山,总是选用旋回破碎机。

L4 secondary crushers1、a cone crusher is rated by the diameter of the cone lining.圆锥破碎机的规格用锥衬直径来表示。

2、jaw and gyratory crusheers have a tendencuy to choke near the discharge when crushing friable rock..当破碎脆性岩石且给矿中含有较大比例的允许最大尺寸颗粒时,颚式破碎机和旋回破碎机容易在排矿口附近堵塞。

3、unlike jaw and gyratory crushers ,when reduction is progressively by repeate pressure....颚式破碎机和旋回式破碎机的粒度减小是物料向下输送至排矿口时通过反复挤压逐步进行,而辊式破碎机与它们不同,其破碎是单次挤压破碎过程。

UNIT THREE screening and classification (筛分与分级)L1 types of screens(筛分机种类)1、screen is generally limited to material above 250um in size....筛分通常限于处理粒度在250um以上的物料,更细物料的筛分正常情况下采用分级方法处理。

2、the trend towards finer crushing prior to grinding has also necessitated...在磨矿前进一步细碎的这种趋势使得筛分更有必要,通过筛分弄够高效大量地回收细粒产品。

3、the most common use of grizzlizes in mineral processing is for sizing the feed to ...选矿中格筛最常见的用途是为粗碎机筛分给料。

4、sieve bends have gained wide acceptance in the minerals industry...为了满足很细物料的湿法筛分需要,弧形筛在矿物工业中已经得到广泛认同。

L4types of classifier(分级机种类)1、the material of higher settling velocity is deposited on the bottom of the equipment and is.....在机械分级机中,具有较高沉降速度的物料被沉降到设备的底部,然后通过某些机械手段逆液体流动方向向上搬运2、the hydrocyclone is a continuously operating classifying device that utilizes centrifugal... 水力旋流器是一种连续作业的分级装置,它利用离心力来加速颗粒的沉降速度。

3、the feed is itroduced under pressure through the tangential entry which imparts...给料在压力条件下通过切向入口进入水力旋流器,引起矿浆产生漩涡运动。

PART3 单词(分课时)UNIT1 lesson1Deposit . 矿床堆积物Galena. [矿]方铅矿Sphalerite.[矿]闪锌矿Cassiterite.[矿]锡石Isomorphism n. 类质同像Polymorphism n.同质多象Hitherto 迄今,在此之前flotation process 浮选工艺、浮选方法solvent extraction 溶剂萃取flotation tailings 浮选尾矿valuable mineral 有用矿物Gangues脉石(杂质矿物)Lesson2biodegradation.生物降解sedimentary.沉积的, 沉淀性的anthracite.无烟煤Metamorphic., 变质的/igneous peat 泥煤、泥碳lignite.褐煤bituminous. 含沥青的sub-bituminous coal 亚烟煤bituminous coal 烟煤Graphite 石墨Coke. 焦炭gasification 气化syngas. 合成气tar 焦油liquefaction. 液化hydrogenation. 加氢,氢化(作用)pulverize. 粉碎,研磨成粉Lesson3assay.化验muffle furnace马弗炉(闭式炉)inherent moisture内在水份total moisture 全水份Surface moisture表面水份Hydroscopic 吸湿水份extraneous moisture外在水份ply. 厚度, 板层float-sink test 浮沉试验Specific Energy比能bomb calorimeter弹式量热计crucible swelling index 坩埚膨胀指数free swelling index 自由膨胀指数volatile. 挥发性的coal seam 煤层abrasion testing 磨耗试验ash fusion 灰熔试验energy output发热量Lesson4as-mined ore/ run-of-mine ore 采出矿石, 原矿石Milling 磨, 制粉, 选矿Recovery 回收,回收率Grade 品位Concentrate 精矿/富集, 浓缩Concentration 富集,浓缩 Crushing 破碎,碎矿Comminute 使成粉末,粉碎 Sorting 拣选,分拣froth flotation 泡沫浮选Affinity 吸引力, 亲合力Agitate 搅动,搅拌Paramagnetic 顺磁性的Beneficiation 选矿Dielectric 电介质, 绝缘体Calcination 煅烧screen 筛子,筛分机/筛dewatering [脱水(作用) Hydrometallurgical 湿法冶金学[术]的liberation离,释放,解放overgrind 过度粉碎,过磨Comminution 粉碎Grinding 磨矿Ferromagnetic 铁磁的,强磁的hand selection 手选magnetic separation磁选specific gravity比重high-tension separation高压电选Avid 亲的,渴望的roasting 煅烧, 焙烧colloidal 胶质的,胶体的Thickener 浓密机Classifier 分级机Lesson5associated adj. 联合的, 连生的ground. grind的过去式研磨,磨矿lump 块locked 锁定的,连生的middling 中矿,中级品(concentrate, tailings)cleft cross 交叉碎裂stress 压力, 应力intersection 交叉,交点,横断mesh of grind 磨矿细度,磨矿粒度Dilemma 进退两难,困境intergrown 共生preconcentration 预选, 预富集Lesson6misplaced a. 混杂的ultra-fine超细的phosphate 磷酸盐chalcopyrite 黄铜矿end product 最终产品ratio of concentration 选矿比carat.(=karat) 克拉(宝石的重量单位) enrichment ratio 富集比UNITE 2 lesson 1excavate v. 挖掘;采掘conveyor n. 运输机quarry n.;v. 采石场rigid surface 刚性表面abrasion n. 研磨tumbling mills 滚筒磨矿机inter-atomic bond 原子间键flaw n. 裂隙perpendicular a. 垂直的crack tip n. 裂隙末端propagation n. 传播elastic n. 弹性strain n. 应变,变形surfactant n. 表面活性剂shear n. 剪切力projection n. 凸(突、伸)出部分 scraper n. 电铲carrier n. 矿石搬运设blasting n. 爆破constrained a. 约束的reduction ratio 破碎比configuration n. 构型,排列tensile n. 张力;拉力matrix n. 排列critical a. 临界的rupture n. 破裂;断裂brittle a. 脆性的amenable a. 有利于,易于plastic flow n. 塑性流动attrition n. 磨损,研磨discern v. 分辨;辨识corrugated a. 波纹状的Lesson2expound 详细说明,阐述 retain v. 保留,保持contraction n. 压缩,缩短index n. 索引,指标grindability n. 可磨性fineness n. 细度closed-circuit n. 闭路循环gyratory a. 旋回的vibration mill n. 振动式磨机elongation n. 伸长,拉长manifest v.;a. 表明;明白的,显然的micron n. 微米work index n. 功指数diminish v. 降低batch-type a. 批次的jaw n. 颚;颚板impact crusher n. 冲击式破碎机roller crusher n. 辊式破碎机Lesson3heavy-duty machines 重型机械设备extra-hard a. 特硬的scalping n筛出pivot n.; v. 枢轴;放在枢轴上 aperture n. 孔,口toggle n. 肘板,曲柄eccentric a.;n. 偏心的;偏心轮swing jaw n. 摆动颚,动颚stroke n. 冲程,撞击shaft n. 轴gape n. 给矿口最大宽度eccentric sleeve 偏心套筒(管)swelling v. 膨胀negligible a. 可忽略的;微不足道的throughput n. 处理能力,通过能力tertiary a. 第三的,第三段open-circuit n. 开路grizzly n. 格筛nip v.咬(入),钳,挟choke n. v. 堵塞oscillate v. 振荡,振动pitman n. 连杆rugged a. 凹凸不平的elliptical a. 椭圆的idling n. 空转,无效,无功spindle n. 心轴,彷锤,锭子spider n. 星轮,十字架segment] n. 段,部分,扇形体cross-section n. 横断面Lesson4tramp a. 夹杂的,流入的f lare v. ; n. 端部向外扩张lining n. 缸套,衬板abrasive a. 磨蚀的spring roll n. 弹簧辊碎机solidly ad. 实心地,整体地 blow n. 打击kinetic a. 动力学的hammer mill n. 锤式粉碎机carbide n. 碳化物,硬质合金perforated a. 空心的,穿孔的shale n. 页岩longitudinal a. 纵向的mantle n. ; v. 罩,套cone crusher 圆锥破碎机lifter n. 提升板friable a. 脆的,易碎的gypsum n. 石膏shim n. 垫片mounted a. 镶嵌的,装配好的beater n. 夯具,冲击破碎机,搅拌器anvil n. 砧,铁砧,碎矿板nodular a. 结核状的,瘤状的exert v. 施加(力),作用(力)trommel screen n. 滚筒筛,转筒筛rubbish n. 夹杂物Lesson5autogenous a. 自生的,自发的drum n. 鼓,滚筒hollow a. 中空的,空心的trunnion n. 耳轴,轴颈,十字头in conjunction with 和…一起clayey a. 含粘土的,粘土质的,泥质的damp a. 潮湿的wedge n. ;v. 楔形;楔固(牢)deform v. 使变形pebble n. 砾石cement n. 水泥,粘结剂clinker n. 熟料,熔渣increment n. 增加[大],增量,增值asbestos n. 石棉talc n. 滑石bolt n. 锚杆,螺栓,桁架slippage n. 滑移量,滑程,漏失Autogenous mills 自磨机UNIT3 lesson1necessitate v. 使需要,迫使oversize n. 筛上产品,过大粒度stationary screen n. 固定筛clog v.; n. 堵塞,障碍taper n.;v. 缩成锥形,尖灭,逐渐缩小sieve bend n. 弧形筛tangentially ad. 成切线project n.;v. 投影,抛射plug n.; v. 插销,塞子;堵塞trommel n. 圆筒筛reciprocating a. 往复(式)的coal preparation n. 选煤elliptical a. 椭圆的,椭圆形的screen mesh n. 筛孔,筛网 tray n. 盘,托盘,垫deflect v. 偏转,偏斜headroom n. 净空undersize n. 筛下产品moving screen n. 动筛bar n. 杆,棒,条cross-members n. 横构件cross-section n. 横断面static screen n. 静止筛,固定筛peel off v. 拆除,剥落slot n. 缝,口revolving screen n. 旋转筛shaking screen n. 振动筛grading screen n. 分级筛rectangular a 矩形的stratify v. 使成层,使分层near mesh 接近筛孔尺寸的、难筛的resilient a. 回弹的,恢复的bevel n.;v.;a. 斜角,斜面;斜的multiple-deck a. 多层的Lesson2velocity n . 速度viscous a . 粘的, 粘性的viscous resistance n . 粘滞阻力terminal velocity n . 末速viscosity n . 粘性, 粘度turbulent resistance n . 紊流阻力overflow n . 溢流free settling n . 自由沉drag force n . 拉力effective density n . 有效密度pronounced a. 显著的acceleration n . 加速(度)equilibrium n平衡descent n . 下降, 降低sorting column n . 分级柱spigot product n . 沉砂产物buoyant force n . 浮力Stoke’s law n . 斯托克斯定律galena n. 方铅矿overgrind v. 过磨Lesson4accentuate v. 强调,增强spigot n. 排料管,筛下产物排出口settling cone n. 沉降锥slime n. 矿泥valve n. 阀,活门lip n. 突出部分,边缘washing plant n. 洗矿车间,洗矿厂inlet n. 入口rake n. 耙子,刮板agitation n. 搅拌(作用)de-sliming n. 脱泥apex n. 顶,顶尖,沉砂口swirling a. 涡流的,旋流的hydraulic classifier n. 水力分级机successive a. 接连的,相继的tank n. 槽,池commence v. 开始radially ad. 径向上mechanical classifier n. 机械分级机trough n. 沟,槽,池weir n. 导流堰,溢流堰helical a. 螺旋(形)的emergent a. 紧急的、浮现的de-gritting n. 脱砂vortex finder n. 旋涡溢流管vortex n. 涡流,旋涡UNIT4 lesson1gravity separation 重力分离incorporate v. 结合,合并concentration criterion 可选性准则feasible a. 可行的friction n. 摩擦(力degradation n. 降低hydrosizer n. 水力分级机pulp-density n 矿浆浓度reagent n.药剂quotient n.商,系数ecological ad. 生态学地in accordance with 与…相一致obscure a.含糊的,模糊的multi-spigot a. 多排矿管(口)的jig n. 跳汰机nucleonic density gauge n 核子浓度表Lesson2pulsate v 脉动dilate v. 松散,膨胀pulsion n. 脉动,推进immobile a. 不动的compact adj. 紧密的hutch n.(跳汰机)筛下harmonic a.谐调的,谐波的synchronization n.同步neutralization n. 抵消,平衡stratification n. 分层(作用)interstice n. 间隙suction n. 吸入(作用)hindered 干扰ragging n. 跳汰机床层Interlock v. 互锁valve n. 阀(门)rotary a. 回转的,旋转的Lesson3shaking table 摇床retard [ri5tB:d] v. 减速,延迟,阻滞submerge v. 浸没,淹没,浸在水中lateral a. 横向的,侧面的launder n. 流槽,流槽选矿diagonally ad. 延对角线地,斜地fan n. 叶片,扇,扇形riffle n. 槽,沟,格条deck n. 摇床床面cling v. 紧贴,依附于riffled table 铺格条(来复条)的床面coefficient n. 系数linoleum n. 漆布,油毡mould n. 模,铸造Lesson4pinched sluice 尖缩溜槽strata n.分层,地层detrimental a. 有害的,不stack n. 竖管annular adj. 环形(状)的uranothorite n. 铀钍矿spiral n. 螺旋流槽,螺旋选矿机rutile n. 金红石monazite n. 独居石helical n. 螺旋(状,形)的double-spiral concentrator 双螺旋选矿机integrated a. 集成的,整体的hematite n 赤铁矿Module n. 模数,系数,组hose n. 软管cone n. 圆锥选矿机splitter n. 分样器titanium-bearing 含钛的tray n. 托架,滑槽scavenger n. 扫选机,扫选槽baddeleyite n. 斜锆石ilmenite n. 钛铁矿zircon n. 锆石chrome-bearing 含铬的conduit n. 导管,管道specular iron 镜铁矿steepness n. 陡度,坡度gallery n. 平台,隧道。