《制浆原理与工程》英汉词汇对照AAccepts : 良浆Usable pulp that has passed the screening operation.Active alkali (AA)：活性碱With respect to kraft white liquor, the amount ofconcentration of sodium hydroxide (NaOH) plussodium sulphide (Na2S).Alkaline extraction ：碱抽提Bleaching stage (denotation E) for removal of ligninmade potentially soluble by the previous acidicoxidizing stage and to reactivate the pulp to furtheroxidation. Main chemical applied: sodiumhydroxide NaOH. Can be enhanced with oxygen(EO), hydrogen peroxide (EP) or both (EOP).Alkaline pulping : 碱法制浆General term usually denoting the kraft process.However, the term is also applied to other high pHchemical pulping processes, such as soda orsoda-oxygen pulping.AOX ：可吸附有机卤化物(Adsorbable organic halogen compounds) Collectiveterm for the amount of chlorine bound in organicpollutants, contained in waste water for instance.BBack-pressure turbine ：背压式涡轮机Steam turbine, from which the exhaust steam isnot condensed, but is transported and utilized inan industrial process.Bagasse ：甘蔗The crushed stalks of sugar cane after the sugarhas been extracted. Can be used as a fibresource for nonwood pulping.Bamboo ：竹Giant wood grass that is used as a fibre source innonwood pulping.Barking ：剥皮Removing bark from pulpwood prior to processing. Basis weight ：定量Weight per unit area of paper. Synonym: Grammage. Batch cooking ：间歇蒸煮Chemical pulping operation, in which a discretequantity or batch of chips is individually processed. Batch digester ：间歇蒸煮锅Large pressure vessel (150...400 cubic meters)used for batchwise production of pulp.Black liquor ：黑液Spent cooking liquoThe pulp production dependson the number of batches (i.e. cooks) that areprocessed.r from a kraft cook, containing dissolvedorganic material and residual alkali compounds. Bleachability ：漂白性能Qualitative term used to describe the relative easeof which pulp can be bleached.Bleaching : 漂白Chemically treating a pulp to alter the coloringmatter so the pulp has a higher brightness. Bleaching sequence ：漂白程序Series of subsequent bleaching stages, normallydescribed by abbreviations (e.g. CEDED which standsfor "chlorination - alkaline extraction - chlorine dioxide- alkaline extraction - chlorine dioxide").Blow ：放浆Pulp discharge under pressure from the digester.Blow line ：喷放管道Pipeline which transports stock from the digesterto the blow tank.Blow tank ：喷放锅Large vessel into which pulp is blown at the end ofa cook and from which the pulp is pumped to thenext processing stage.BOD ：生物耗氧量(Biological Oxygen Demand). A measure of theamount of oxygen consumed by microorganisms inbreaking down organic matter in effluent during acertain method. E.g. BOD7, biological oxygen demandduring seven days.Bone dry (b.d.) ：绝干Moisture free (also termed oven-dry, o.d.). A pulp orpaper which has been dried to a constant weight at atemperature of 100 to 105 o C in a completely dryatmosphere.Breaking length ：裂断长Measure of pulp tensile strength which isindependent of the basis weight of the paper sheet,equal to the length of paper which will just support itsown weight when hung freely from one end.(Conversion factor: tensile index (Nm/g) = 9.81 xbreaking length (km)).Brownstock ：粗浆Unbleached pulp from an alkaline pulping process. Theterm is derived from the dark brown color of the pulp.Brightness ：亮度Reflectivity of a sheet of pulp or paper measuredunder standardized conditions; used to indicate thedegree of "whiteness".Brightness reversion ：回色A term applied to pulps to indicate loss ofbrightness during natural or artificial agening.Bulk ：松厚度Ratio of thickness to basis weight of paper. Adense sheet has low bulk.Bursting strength 耐破应力A measure of the ability of paper to resist rupturewhen pressure is applied to one of its sides by aspecific instrument.CCarbohydrates ：碳水化合物The main carbohydrates in wood are polysaccharidessuch as cellulose and hemicellulose.CED Viscosity ：铜乙二胺粘度法Test of cellulose solution viscosity which indicatesthe average length of the cellulose molecules, i.e.the degree of polymerization.Cellulose ：纤维素Chemically, a polymer composed of glucosemonomers. It is the main constituent of plant fibres.Chelating ：鳌合Chemically combining with a metallic ion into a"coordination complex". Common chemicals used forchelation are EDTA (Ethylendiaminetetraacidic acid)and DTPA (Diethylenetetraminepentaacidic acid).Chemical pulp ：化学浆Pulp obtained by digestion of wood with solutions ofvarious chemicals.Chemical recovery cycle ：化学回收循环Part of the pulp mill, in which the spent cookingchemicals are recycled and reconverted into activecooking chemicals.Chemimechanical pulp ：化学机械浆1. Pulp produced with a combination of a gentlechemical treatment stage and mechanicaldefibration, such as disc refining. The yield rangeis 80 to 95 %.2. Subgroup of chemimechanical pulps (alsocalled CMP), produced with relative severechemical treartment combined with atmosphericrefining. The yield is typically below 90 %. Chemithermomechanical pulp, CTMP ：化学热机械浆Chemimechanical pulp produced with relatively lowchemical doses combined with pressurized refining.The yield is typically above 90 %.Chlorine number ：氯价Test method for determining the bleach requirement of apulp. It indicates the number of grams of chlorineconsumed by 100 g of pulp under specified conditions. Chips ：木片Chopped wood prepared for coking to producechemical pulp or refining to produce refinermechanical pulp.Chip chute ：木片斜槽Vertical conduit through which chips fall from thesteaming vessel into the high pressure feeder, acomponent of continuous digester systems.Chip meter ：木片装锅计量器Device used with the continuous digester feedsystem to control the chip feed rate.Chlorination ：氯化（作用）A bleaching stage (denoted C) using elementalchlorine as bleaching agent.Chlorine ：氯气Greenish-yellow gas used as a bleaching agent.Also known as gas chlorine or elemental chlorine. Chlorine dioxide ：二氧化氯Yellow gas in solution as a bleaching agent.Chop ：碎片Short, chunky bundle of unseparated fibresoccurring in mechanical pulps.Chromophor ：发色团Chemical group responsible for colour in (wood and pulp). Classifier ：分离器Term with wide applications. Usually refers tolaboratory devices for separating aqueous suspensionof pulp fibres into various-size fractions.Cleaning ：净化Removal of dirt and foreign material from pulp bycentrifugal action.Cleaners ：净化器Vessels which remove dirt and foreign materialfrom pulp by centrifugal action.Closed system ：封闭系统System wherein white water or filtrate is mainlyrecirculated and not discharged to waste.COD ：化学需氧量(Chemical oxygen demand). Chemicaloxygen-consuming substances. A measure of theamount of oxygen required for the total chemicalbreakdown of organic substances in water.Cold blow ：冷法喷放Pressure ejection of cooked pulp from a batch orcontinuous digester after the pulp has been cooled to below100 o C. The cooling step reduces damage to the fibres. Cold soda pulp ：冷碱浆A semichemical pulp generally produced fromhardwoods by room temperature treatment with sodiumhydroxide followed by mechanical fiberizing.Condensate ：冷凝水Any material that has condensed from a gaseous phaseinto a liquid phase. Usually refers to water that hascondensed from steam in a heat exchange process. Coniferous trees ：松柏Cone-bearing and evergreen trees, such as spruce,pine, hemlock, balsam. Also termed softwood trees. Consistency ：浓度Weight percentage of pulp in a pulp and water mixture. Continuous cooking ：连续蒸煮Chemical pulping operation in which wood chipsand cooking liquor are fed at a constant rate intothe digester and move in continuous fashionthrough successive zones or stages of equipment. Continuous digester ：连续蒸煮器Digester system for continuous cooking.Cooking ：蒸煮Treating fibrous materials with chemicals under heatand pressure to produce pulp for papermaking.Cooking zone ：蒸煮区Section within a continuous digester in which themajor portion of the cooking reactions occur; thesection in which the chip mass is at or near themaximum cooking temperature.Cord ：量木材尺度单位Usually a pile of pulpwood 8 feet long, 4 feet wide and4 feet high, containing 128 cubic feet.Countercurrent cooking ：对流蒸煮Cooking technique for a kraft continuous digester whereincooking liquor and heat are introduced at the point wherepulp is removed; the liquor then moves countercurrentlyto the chip mass flow until it is extracted as black liquorthrough the extraction screens.Cunit ：原木材积单位A term used in the measurement of pulpwood, i.e.100 cubic feet of solid wood, bark excluded. Onecunit corresponds to 2.83 cubic meter of wood.DDebarking ：剥皮Removing bark from pulpwood prior to processing.Deciduous trees ：阔叶木Hardwoods or broad-leaved trees which lose theirleaves in winter, such as birch, aspen, maple andcottonwood.Degree of delignification ：脱木素程度Amount of delignification as measured by the kappanumber test or other comparable method ofdetermining residual lignin. (Synonym: Degree ofcooking).Delignification ：脱木素Removal of all part of the lignin from wood or plantmaterial by chemical treatment. Chemical pulpingand the initial stages of bleaching are examples ofdelignification.Degree of polymerization (DP) ：聚合度As applied to cellulose, refers to the average numberof glucose unit in each cellulose molecule of a pulpsample. Usually determined by the CED viscosity test. Deinking ：脱墨Removal of ink and other extraneous materials fromprinted, reclaimed papers by mechanicaldisintegration and chemical treatment, withsubsequent washing or flotation separation. Diffusion ：扩散作用Diffusion in impregnation of wood chips: movementof ions and molecules from an area of highconcentration (e.g. the free cooking liquorsurrounding the chips) to an area of lowerconcentration (e.g. the inner part of the chips). Digester ：蒸煮The pressure vessel to treat pulpwood or otherfibre raw material with chemicals to producechemical pulp. The digester may be either of thebatch or the continuous type.Digester relief ：（蒸煮锅）放气Venting of steam and noncondensibles from thedigester during the cook to prevent hot spots andbuildup of excessive pressure.Dregs ：绿泥Settleable solids which comprise the underflow fromthe green liquor clarifier.DTPA ：二亚乙基三胺五乙酸Diethylenetetraminepentaacidic acid. Chemical usedfor chelation (removal of transition metals from pulp).EECF ：无元素氯（漂白）Elemental chlorine-free bleaching. Bleaching insequences not including elemental chlorine but usingchlorine dioxide, e.g. D(EO)DD. Bleaching in sequencesnot including chlorine-containing substances at all iscalled TCF (totally chlorine-free bleaching) EDTA ：乙二胺四醋酸Ethylendiaminetetraacidic acid. Chemical used forchelation (removal of transition metals from pulp).Elemental chlorine ：元素氯Molecular chlorine, Cl2, used for pulp bleaching.Emission ：排放Passage of air contaminants into the atmosphere via agas steam or other means.Enzyme ：酶Class of complex organic substances that accelerateor catalyze specific chemical reactions.Extended delignification ：深度脱木素Kraft pulping modification to achieve lower kappanumbers with maintained pulp strength.Extractives ：抽提物Minor substances ( 1-5 % of the raw material) presentin native wood, i.e. resin acids, fatty acids, turpenoidcompounds and alcohols. Most of these substancesare soluble in water or neutral organic solvents.FFibril ：细纤维Thread-like element unraveled from the fibre wall.Fibrillation ：细纤维化A term commonly associated with refining of pulp. Itresults in the loosening of threadlike elements fromthe fibre wall to provide greater surface for formingfibre-to-fibre bonds.Fillers：填料Paper materials used to fill spaces not occupied by fibres.Filtrate ：滤液The liquid that is produced when a solution is filtered.Fines ：细小纤维Very small fibre fragments that readily pass through afilter wire cloth.Flash dryer : 气流干燥器Pulp dryer, in which the material is dried in particulate form.Flash tank ：闪蒸罐A vessel used to lower the pressure of steamcondensate causing the hot condensate to evaporate,or flash to steam, and separate the remaining liquid.Formation ：匀度Degree of uniformity of the fibre distribution in a sheetof paper.Freeness ：游离度A measure of the degree of refining and drainage of aparticular stock. Also called CSF (Canadian StandardFreeness).Furnish ：配料The specific mixture of raw materials, both pulp andchemicals, from which a particular paper or boardgrade is manufactured.GGlucose ：葡萄糖Simple hexose sugar that forms the basic chemicalbuilding unit of cellulose.Grade ：等级An identification or description of a particular paper orpulp based on its use, appearance, quality, method ofmanufacture, raw materials or a combination of thesefactors.Grammage : 克重Weight per unit area of paper (i.e. basis weight) ingrams per square meter.Green liquor ：绿液The smelt from a kraft recovery boiler dissolved inweak wash liquor. Green liquor contains mainlysodium carbonate and sodium suphide.Green wood ：新材Freshly cut or undried wood.Grinder ：磨木机A machine for producing mechanical groundwood pulp.It is essentially a rotating pulpstone against which logsare pressed and reduced to pulp.Groundwood pulp (GW or SGW) ：磨木浆Mechanical pulp produced with a grinder.Grits ：磨料粒度Unreacted particles of lime removed from the slaker. HHandsheet ：手抄纸A sheet made from a suspension of fibres in water.Each sheet is formed separately by draining a pulpsuspension on a stationary sheet mould. It is generallyused for testing the physical properties of the pulp.Hard cook ：硬浆蒸煮Generally refers to digester charge that has beenundercooked with respect to target conditions.Hardwood ：硬木Wood from trees of the angiosperm class, usuallywith broad leaves and deciduous in temperatezones. Hardwood fibres are short in relation tosoftwood fibres.Hemicelluloses ：半纤维素Any of a number of cell-wall polysaccharides occurringin nearly all vegetable fibres.Hexenuronic acid ：己糖醛酸Acid groups formed from the hemicelluloses in kraftcooking. Hexenuronic acids contributes to the kappanumber and reacts with several bleaching agents, thusconsuming these chemicals.Hexose ：己糖Simple sugar (monosaccharide) containing six carbonatoms in the molecule (e.g. glucose, galactose).High density storage tower ：高浓贮浆塔Pulp tower used for storage of pulp at 9...22 %consistency.High pressure feeder ：高压给料器Key component of the continuous digester system,consisting of a plug revolving in a casing, similar inappearance to a revolving valve cock.Holocellulose ：综纤维素The term applied to the total carbohydrate fraction inextractive free wood.Hydrolysis ：水解Decomposition of a complex molecule and reactionwith water to form a least two smaller molecules.Hydrophilic ：亲水的Having a strong affinity for water.Hydrophobic ：疏水的Lacking affinity for water, i.e. water-repellent.IImpregnation ：浸渍作用Process of distributing cooking chemicals through thewood chips by the mechanism of penetration anddiffusion.Impregnation vessel ：预浸器Component part of some continuous cooking systems(usually called two-vessel systems) in which the chipsare impregnated with cooking liquor at a temperaturebelow the maximum cooking temperature.Impregnation zone :浸渍区Section within a continuous digester in whichimpregnation occurs.Integrated mill ：综合工厂A paper or board mill that produces substantially all itsown pulp.Intrinsic viscosity ：特性粘度An indication of cellulose DP(degree ofpolymerization) obtained by measuring the viscosityof a cellulose solution of known concentration.ISO brightness ：蓝光扩散反射系数ISO brightness is an intrinsic reflectance factordetermined with a brightness meter whose sensitivityto light agrees with ISO standard 2470.JKKappa number ：卡伯值：Modified permanganate test value of pulp which hasbeen corrected to 50 percent consumption of thechemical. Kappa number has the advantage of alinear relationship with lignin content over a widerange.Kraft process ：硫酸盐法蒸煮过程Alkaline cooking process using sodium hydroxide andsodium sulphide as the active cooking chemical.Synonym: Sulphate process.Kraft pulp ：硫酸盐浆Pulp produced with the kraft process. Synonym:sulphate pulp.LLight absorption coefficient ：光吸收系数The light absorption coefficient, k, is a theoreticalquantity related to the Kubelka-Munk theory. The lightabsorption coefficient has no direct physical meaning,but it is a measure of an infinitely thin layer's ability toabsorb light.Light scattering coefficient ：光散射系数The light scattering coefficient, s, is a theoreticalquantity related to the Kubelka-Munk theory. The lightscattering coefficient has no direct physical meaning,but it is a measure of how well an infinitely thin layer ofmaterial scatters light.Lignin ：木素Chemical component of wood. Lignin is athree-dimensional, highly polymerized substancecomposed of 100 and more phenyl propane units.Lignin cements the fibres together in wood and makesthe fibres stiff.Linerboard ：衬板A paperboard used as the facing material in theproduction of corrugated and solid fiber containers.Liquor circulation ：药液循环Movement of cooking liquor through the chip massduring a cook either by convection or pumping.Lo-Solids ：低固形物制浆A continuous cooking process that uses split whiteliquor additions, split washer filtrate additions andmultiple extractions to manipulate both the amountand concentration of dissolved organics in order toimprove pulping efficiency and pulp quality.Low-consistency (pulp) ：低浓浆Pulp of a consistency below 4 % pulp fibres, theremaining being water.Low-pressure feeder ：低压给料器Tapered star feeder that feeds chips from atmosphericpressure to approximately 150 kPa pressure as they enterthe steaming vessel of a continuous digester system. o MMarket pulp ：商品浆Pulp sold as raw material to nonintegrated paper mills.MC pump ：中浓泵Medium (10...16 %) consistency centrifugal pulp, theoperation of which is based high shear forces in theinlet throat to reach a fluid-like state in the pulp.Mechanical pulp ：机械浆Pulp produced by mechanical treatment of wood ingrinders or refiners.Modified continuous cooking, MCC ：改良的连续蒸煮Continuous cooking system in which the white liquor isintroduced in three circulations of the cooking system:the feed circulation, the transfer circulation and thecountercurrent cooking circulation.NNeutral sulphite pulp：中性亚硫酸盐浆Neutral sulphite pulps - commonly called neutralsulphite semichemical or NSSC - are usually madefrom hardwoods although softwoods low in resins canalso be used. The active cooking chemicals are eithersodium sulphite and sodium carbonate or ammoniumand suphur dioxide. NSSC pulps are used as thecorrugated layer in corrugated board.HNon-condensibles ：不可凝结气体Gases released during the evaporation of black liquor.Nonwood pulping ：非木材浆Manufacture of pulp from nonwood raw material, i.e.from various vascular plants such as straw, bagasse,bamboo etc.OOpacity ：不透明度Property of a paper which prevents "show-through" ofprinting from one side of sheet to the other.Outlet device ：放料装置Rotating scraper assembly at the bottom of acontinuous digester which conveys the chips from thecolumn into the blow line.Oven dry, o.d. ：绝干Moisture free, also "bone dry". A pulp or paper whichhas been dried to a constant weight at a temperatureof 100 to 105 oC in a completely dry atmosphere.Oxidation ：氧化（作用）The chemical reaction of adding oxygen to an elementor compound.Oxygen chemical bleaching, OCB ：氧气化学漂白Bleaching in sequences not including chlorinechemicals at all, but only oxygen-based chemicalssuch as oxygen, hydrogen peroxide, ozone etc.Synonym: TCF bleaching.Oxygen delignification ：氧脱木素Delignification stage based on sodium hydroxide oroxidized white liquor and oxygen. The oxygendelignification stage is normally located after cookingbut ahead of the bleachery. Synonym: oxygenbleaching.PPenetration ：渗透Flowing of the cooking liquor into the wood chipsthrough the pores of the wood.Pentose ：戊糖Simple sugar (monosaccharide) containing five carbonatoms in the molecule (e.g. xylose, arabinose).Permanganate number ：高锰酸钾值Chemical test performed to determine the amount ofresidual lignin in pulp.PH ：酸度A measure of the acid or alkaline characteristics of achemical obtained by measuring the hydrogen ionpotential to the substance and assigning it a numberfrom 1 to 14.Pitch ：防潮纸Resinous materials present in wood that carry overinto the pulping and papermaking systems to forminsoluble deposits.Polymer ：聚合物Chemical compound consisting of repeating structuralunits.Pre-steaming ：预汽蒸1. Injection of steam into a batch digester during orafter charging with chips, but before the cooking liquoris added.2. Introduction of steam at atmospheric pressure intothe chip bin just before the chips are metered into asteam pressurized environment. In both cases, theobjective is to preheat the chips and remove a portionof the air from the chip mass.Pulp ：纸浆Fibrous material produced either chemically ormechanically (or by some combination of chemicaland mechanical means) from wood or other cellulosicraw material. Pulp is the principal raw material forpapermaking.Pulping reaction ：制浆反应Any of the chemical reactions between active cookingchemicals and the pulping raw material duringcooking.Pulpwood ：造纸木材Logs trimmed and cut to size for use by the pulp mill.Generally of poorer quality and smaller diameter thansawlogs.QQuenching ：淬灭Slowing down the cooking reaction in a continuousdigester at the end of the cooking zone by displacingthe hot black liquor with ascending wash liquor andextracting it into the flash tank.RRay cells ：木射线细胞Short cells, chiefly parenchymatous, which make upthe wood ray. The wood ray is a ribbonlike strand oftissue extending in radial direction across the annualrings of the wood.Recaustisizing ：辅助苛化Conversion of sodium carbonate into active sodiumhydroxide.Recovery boiler ：回收锅炉Steam boiler specially designed for the kraft recoveryprocess. The recovery boiler uses strong black liquoras fuel and supplies heat for steam generation andrecovers the inorganic cooking chemicals in moltenform. Synonym: Recovery furnace.Rejects ：废料Stock and wood dirt that is not accepted by cleaningsystem.Refiner ：磨浆机A mechanical device used to produce mechanical pulpbetween grooved metallic discs, of which the other orboth are rotating.Refiner mechanical pulp, RMP ：木片磨木浆Mechanical pulp produced in a refiner.Refiner plates ：磨盘Grooved discs mounted inside a refiner used todefiberize wood chips into mechanical pulp.Residual lignin ：残留木素Lignin left in the pulp after a delignification treatment,e.g. cooking or oxygen delignification.Roe number ：Roe 氯值Measure of the amount of residual lignin in pulp.SSaturated steam ：饱和蒸汽Steam at its condensing temperature (for a givenpressure).Sawlog ：锯材High-quality log suitable for processing into lumber.Scaling ：结垢Formation of scale due to precipitation, principally ofinorganic compounds, on the inside surfaces ofdigesters and other equipment.Screened yield ：细浆得率Yield of accept pulp after screening.Screening ：浆渣Process for removal of oversized and unwantedparticles from the pulp.Selectivity ：选择性Relative extent to which active cooking chemicalsattack the lignin and preserve the carbohydrates, i.e.better selectivity is synonymous to higher yield and/orbetter viscosity at a given kappa number. Semichemical pulp ：半化学浆A pulp produced by a mild chemical treatment of theraw material followed by a mechanical fiberizingoperation.Shives ：碎片Small bundles of fibres that have not been separatedcompletely in the pulping operations.Slasher ：排锯Machine that saws pulplogs into uniform short lengths. Slowness ：粘状Measure of pulp drainage. Has in inverse relationshipto freeness.Slurry ：悬浮液A suspension of insoluble material in waterSmelt ：熔融物Inorganic chemicals obtained in molten form from therecovery boiler.Soda pulp ：烧碱法制浆A chemical pulp produced by high temperaturedigestion using sodium hydroxide.Soft cook ：软浆蒸煮General term for a cook than has beenover-delignified.Softwoods ：软木Cone-bearing trees. Since they usually keep theirneedles or leaves the entire year, they are popularlycalled evergreens.Steaming vessel ：汽蒸槽Vessel in a continuous cooking system through whichthe chips are conveyed and exposed to adisplacement flow of steam which heats the chips andremoves air and other non-condensibles.Steam-phase digester ：汽相蒸煮器Cooking vessel in which impregnated chips are heatedwith direct steam to bring them up to the cookingtemperature.Stock ：浆料Wet pulp of any type at any stage of the manufacturingprocess.Sulphate process ：硫酸盐法Alkaline cooking process using sodium hydroxide andsodium sulphide as the active cooking chemical.Synonym: Kraft process.Sulphate pulp ：亚硫酸盐浆Chemical pulp produced with the sulphate process. Synonym:sulphate pulp.Sulphidity ：硫化度With respect to white or green liquor, the ratio ofsodium sulphide concentration to the active alkali(sodium hydroxide + sodium sulphide) concentration,all in terms of equivalent sodium hydroxide (or sodiumoxide).Sulphite process ：亚硫酸法Chemical pulping process using a bisulphite solutionas the delignifying medium. The cation used is usuallycalcium, magnesium, sodium or magnesium. Sulphite pulp ：亚硫酸浆Chemical pulp produced with the sulphite process.Suspended solids ：悬浮固体A measure of the quantity of filterable solids which arepresent in a water suspension.Superheated steam ：过热蒸汽Steam at higher temperature than its saturation(condensing) temperature.TTall oil ：塔罗油Byproduct from the kraft pulping process.TCF bleaching ：全无氯(漂白)Bleaching in sequences not including chlorinechemicals at all, but only oxygen-based chemicalssuch as oxygen, hydrogen peroxide, ozone etc.Synonym: oxygen chemical bleaching (OCB).Tear index ：撕裂指数Tear index = tearing resistance/basis weight.Tearing resistance ：撕裂强度The mean force required to continue the tearing ofpaper from an initial cut under standardizedconditions.Tensile index ：抗张指数Tensile index = tensile strength/basis weight.Tensile strength ：抗张强度The force, parallel with the plane of paper, required toproduce failure in a specimen of specified width andlength under specified conditions of loading.。
