【精品】冶金专业英语复习词汇及课文

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1、Lesson3OreDressingOredressing选矿Magneticfield磁场Concentratev.富积，浓缩，集聚Gravityconcentration重力选矿n.精矿，浓缩物Mediumn.介质，媒介，屮间物，培养Concentrationn.集中，浓缩，浓度基Acidconcentration酸浓度Dilatev.（使）膨胀，扩张，扩大Bulkn.正体，主体，团块Dilatedbed松散床层Ganguen.脉石，尾矿，矿脉中的夹杂物Dilationn.膨胀系数，传播，伸缩，蔓延Tailingn.尾矿Lipn.凸出部分，唇部Severancen.分离，隔离，

2、碎散Diverseadj.不同的,互异的，各种各样的Beneficiationn.分选Tablen.摇床，淘汰盘Comminutionn.粉碎Tabling摇床选，淘汰选Run-of-minen.原矿Motionn.运动，输送，行程，机械装置,Middlingn.中矿运动机构Liberationn.解离Sink-floatseparation重介质分选Crushn.v.粉碎，碾碎，挤压Suspensionn.悬浮物，悬浮液Grindn.v.研磨，磨细Conen.圆锥体，锥形漏斗，圆锥破碎机Screenn.v.筛，筛分Stirn.v.移动，摇动，搅拌Jiggingn.跳选，跳汰选St

3、irrern.搅拌器，搅拌机Handpicking手选Rotaryadj.旋转的，回转的，转动的Lustern.光泽，光亮v.闪光，发光Circumferencen.圆周，周边Specificgravity比重Rotatingmotion旋转装置，旋转设备Magneticpermeability磁导率Floatationn.浮选Inductivecharging感应电荷Pulpn.矿浆，浆料v.制浆，浆化Electrostaticseparation静电分离Sluicen.槽，排水道，水槽Fracturen.断口，裂缝Frothfloatation泡沫浮选Automaticsort

4、ingofradioactivenaturesHematiten.赤铁矿放射性自动选矿Pyrolusiten.软猛矿Magnituden.大小，尺寸,量级，强度,Diamondn.金刚石等级Graphiten.石墨Magneticseparation磁选Oredressingconcernswiththetechnologyoftreatmentoforestoconcentratetheirvaluableconstituents(minerals)intoproducts(concentrate)ofsmallerbulk,andsimultaneouslytocollectt

5、heworthlessmaterial(gangue)intodiscardablewaste(tailing).Thefundamentaloperationsofore-dressingprocessesarethebreakingapartoftheassociatedconstituentsoftheorebymechanicalmeans(severance)andtheseparationoftheseveredcomponents(beneficiation)intoconcentrateandtailing,usingmechanicalorphysicalmeth

6、odswhichdonoteffectsubstantialchemicalchanges.1Severance・Comminutionisasingle,ormultistageprocesseswherebyoreisreducedfromrun-of-minesizetothatsizeneededbythebeneficiationprocesses.Theprocessisintendedtodetailedcontrol,aclassofparticlescontainingbothmineralandgangue(middlingparticles)arealsopr

7、oduced.Thesmallerthepercentageofmiddlingthegreaterthedegreeofliberation.Comminutionisdividedintocrushing(downto6-to14-mush)andgrinding(downtomicronsize).Crushingisusuallydoneinthreestages:coarsecrushingfromrun-of-minesizeto4-6in.,orcoar