矿物加工专业英语课后题短语、单词

PAERT1短语Unit1lesson1天然无机化合物naturalinorganicsubstances化学组成chemicalcompositions原子结构atomicstructure有色金属矿石nonferrousores有用矿物valuableminerals脉石矿物gangueminerals给矿品位feedgrades非金属矿石non-metallicoresLeson2沉积岩sedimentaryrocks二氧化碳carbondioxide发电powergeneration露天采矿openpitmining低灰分烟煤low-ashbituminouscoal挥发分volatileconstituents煤气化coalgasification直接液化directliquefactionLesson3煤质分析coalassay煤的化学性质chemicalpropertiesofcoal相对密度relativedensity粒度分布particlesizedistribution自磨autonomousgrinding燃烧试验combustiontest灰分含量ashcontentofcoal高品级煤high-rankcoalLesson4矿石粒度thesizeofores有用矿物颗粒thegrainsofvaluableminerals低品位矿石low-gradeores解离度degreeofliberation光学性质opticalproperties磁性magneticproperty导电性electricalconductivitypropertiesLesson5连生颗粒lockedparticles最佳磨矿细度optimummeshofgrind破碎应力thebreakingstresses颗粒边界mineralgrainboundaries再磨regrind磨矿成本grindingcosts粗粒脉石thecoarsegangue单体颗粒singleparticlesUNIT3Lesson1颗粒层厚度thethicknessofthelayer筛分效率theefficiencyofscreening难筛颗粒nearmeshparticlesUNIT4Lesson1p78低品位复杂矿石low-gradecomplexores预选pre-concentrate脱水dewatering矿物比重specificgravityofthemineral理想给料浓度anoptimumfeedpulp-densityLesson2P84补偿水流suppliedwater干涉沉降hinderedsettling起始加速度theinitialacceleration简谐运动harmonicmotionLesson3p88颗粒的横向运动alateraldisplacementofthematerial流膜分选flowing-filmseparation给矿槽thefeedbox冲刷水washwater径向振动vibratelongitudinally垂直分层verticalstratification耐磨材料hardwearingmaterial矿砂摇床sandtablesPART2句子UNITTWOcomminution(粉碎)L1principlesofcomminution(粉碎原理)1、mineralsareintimatelyassociatedwiththegangue.矿石中有用矿物与脉石紧密共生。2、crushingisusuallyadryprocess,andisperformedinseveralstages.破碎一般为干式作业，采用分段方法完成。3、inthecrystallinelatticeofminerals,theseinter-atomicbondsareeffectiveonly....在矿物晶体的晶格内，原子键间只在很短的距离才有效。4、newlyformedsurfacesareoftenmorechemicallyactive.新生成的表面通常具有更高的化学活性。5、theenergyrequiredforcomminutionisreduced......有水存在的情况下，粉碎所需的能量减少。L3primarycrushers1、jawcrushersareclassifiedbythemethodof....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。lumpsofrun-of-orecanbeaslargeas..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%primarycrushersarecommomlydesignedtooperate75%.....becauseinterruptions...4、theoscillatingmovementoftheswingingjawiseffectedbyvertical..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、inmineswithcrushingratesabove....在破碎速度大于900t.h`1的矿山，总是选用旋回破碎机。L4secondarycrushers1、aconecrusherisratedbythediameteroftheconelining.圆锥破碎机的规格用锥衬直径来表示。2、jawandgyratorycrusheershaveatendencuytochokenearthedischargewhencrushingfriablerock..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、unlikejawandgyratorycrushers,whenreductionisprogressivelybyrepeatepressure....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。UNITTHREEscreeningandclassification(筛分与分级)L1typesofscreens(筛分机种类)1、screenisgenerallylimitedtomaterialabove250uminsize....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、thetrendtowardsfinercrushingpriortogrindinghasalsonecessitated...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、themostcommonuseofgrizzlizesinmineralprocessingisforsizingthefeedto...选矿中格筛最常见的用途是为粗碎机筛分给料。4、sievebendshavegainedwideacceptanceinthemineralsindustry...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。L4typesofclassifier(分级机种类)1、thematerialofhighersettlingvelocityisdepositedonthebottomoftheequipmentandis.....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、thehydrocycloneisacontinuouslyoperatingclassifyingdevicethatutilizescentrifugal...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、thefeedisitroducedunderpressurethroughthetangentialentrywhichimparts...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）UNIT1lesson1Deposit.矿床堆积物Galena.[矿]方铅矿Sphalerite.[矿]闪锌矿Cassiterite.[矿]锡石Isomorphismn.类质同像Polymorphismn.同质多象Hitherto迄今，在此之前flotationprocess浮选工艺、浮选方法solventextraction溶剂萃取flotationtailings浮选尾矿valuablemineral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/igneouspeat泥煤、泥碳lignite.褐煤bituminous.含沥青的sub-bituminouscoal亚烟煤bituminouscoal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mufflefurnace马弗炉(闭式炉)inherentmoisture内在水份totalmoisture全水份Surfacemoisture表面水份Hydroscopic吸湿水份extraneousmoisture外在水份ply.厚度,板层float-sinktest浮沉试验SpecificEnergy比能bombcalorimeter弹式量热计crucibleswellingindex坩埚膨胀指数freeswellingindex自由膨胀指数volatile.挥发性的coalseam煤层abrasiontesting磨耗试验ashfusion灰熔试验energyoutput发热量Lesson4as-minedore/run-of-mineore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frothflotation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handselection手选magneticseparation磁选specificgravity比重high-tensionseparation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Lesson5associatedadj.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)cleftcross交叉碎裂stress压力,应力intersection交叉，交点，横断meshofgrind磨矿细度，磨矿粒度Dilemma进退两难，困境intergrown共生preconcentration预选,预富集Lesson6misplaceda.混杂的ultra-fine超细的