nitrogen ['naitradjan]氮
slag [slaeg]渣
electromotive series [ilektrau'meutiv] ['sierizz]电化序
reducing agent [ri'djuzsirj] ['eidjant]还原剂
roast [raust]焙烧
smelt [smelt]熔炼
convert [kan'vazt]吹炼
aqueous ['eikwias] solution水溶液
trace back追溯到
concern with与……有关
by means of用，依靠
organic [D：'gaenik]有机的
vacuum ['vaekjuam]真空
conventional [kan'venjonl]常规的,
传统的
inorganic [jnoJgaenik]无机的
alchemist ['aelkimist]炼金术
imminent ["iminant]即将发生的
depletion [di'plijan]消耗，枯竭
lean [li:n] ore贫矿
discard [dis'ka:d]废弃，丢弃
manganese nodule ['nodju:!]铉结核
Words and Expressions
extractive [iks'traektiv]提取的，萃取的
metallurgy [me'taeladsi]冶金，冶金学
concentrate ['lonsantreit]精选，富集，精矿mineral ['minaral] dressing选矿
pyrometallurgy [^airaume^aeled;!]火法冶金hydrometallurgy ^haidreume'taelazdsi]湿法冶金electrometallurgy [illektreumeltaelad3i]电冶金
polymer ['potemo]聚合物，聚合的
neutral [*nju:tral]中性的
ionic [aibnik]离子的
undissociated ['Andi^dujleitid]未离解的
fluorspar ['flu(:)ospa:]氟石
equilibrium [.iikwa'librizam]平衡
iron ['aian]铁
viscosity [vi'skositi:]黏度
dissolve [di'zolv]溶解
acidic [e'sidik]酸性的
anion ["aenaian]阴离子
phosphorus pentoxide五氧化二磷
dust [dASt]烟尘
matte [maet]冰铜铳
speiss [spais]黄渣
sludge [slAdj]污泥
burgeoning ['bezdsaniij]新兴的
recycling [ri:'saiklir)]回收,循环
assess [a'ses]估计，评价
alleviate [alizvieit]减轻，缓和
mercury ['mazkjuri]汞
melting point熔点
zirconium .[zaz'kauniam]错
niobium [nai'eubiam]锯
molten ["maulten]熔融的
by products副产品
distillation [(diste'leifan]蒸馅
volatile ['voldtail]蒸馋
specific [spi'sifik] gravity ['graeviti]比重orthosilicate [p:0a!silakeit] neutralization [^juztrelai'zeijan]中和
pentoxide [.pen'toksaid]五氧化物
molecule ['molikju:!]分子basicity [ba'sisiti]碱度
hafnium ['haefniem]饴
mint [mint]铸造
furnace ['fa:nis]炉子
atmospheric [^tme'sferik]大气的
disposal [dis'pauzal]处置，处理
converting [kan'vaztirj]吹炼
sulphide [*sAlfai源自]硫化物reverberatory.Iri'vazbaratari] furnace反射炉lime [laim]石灰
refractory [ri'fraektari:]难熔的
thermal ['0a：m9l] barrier ['baeria]隔热层
quartz [kwo:ts]石英
liquidus ['likwidas]液相线
silica ['silike]二氧化硅
calcium ['kaelsiam]钙
sulphur ("sAlfa]硫
blast [bla:st] furnace鼓风炉，高炉
alumina [e'ljuzmine]氧化铝
phosphorus.['fosfaras]磷
interface ['intafeis]界面
rare metal稀土金属
associate [e'saujieit] with联系，与……交往
flowsheet [flau'fi:t]流程图
relegate ['religeit]把……置于次要地位
panacea [^aena'siza]万灵药
complementary [^mpla'mentari]互补的
cadmium ['kaedmiam]镉
titanium [tai'teini：am]钛
chromium ['kraumizam]铭
molybdenum [me'libdinem]钥
refractory [n^raektari:]难熔的
crucible ['kru:sibl]址垠
oxygen [bksidsen]氧
beneficiation ['benijiji'eijan]选矿，矿物处理
suffice .[sa'fais]足够，满足……的需要
mercury sulphide ['mazkjuri] ['sAlfaid]硫化汞magnesium [maeg'ni:zi:om]镁
impurity [im'pjuariti:]杂质oxidation [pksi'deifdn]氧化