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1、Lesson4NuclearMaterials核材料Words1Cadmium[5kAdmiEm],n,镉cobalt[kE5bC:lt,5kEubC:lt],n.钴mercury[5mE:kjuri],n.水银nitrogen[5naitrEdVEn],n.氮气uranium[juE5reiniEm],n.铀plutonium[plu:5tEuniEm],n.钚zirconium[zE:5kEuniEm],n.锆beryllium[bE5riljEm],n.铍boricacid,n.硼酸boron[5bC:rEn],n.硼carbide[5k
2、B:baid],n.碳化物chromium[5krEumjEm],n.铬dioxide[dai5Cksaid],n.二氧化物eutectic[ju:5tektik],a.共晶的hafnium[5hAfniEm],n.铪(拼音ha-1)hydrocarbon[5haidrEu5kB:bEn],n.碳氢化合物gadolinium[7^AdE5liniEm],n.钆(拼音ga-2)inert[i5nE:t],a.惰性的2Words2Magnesium[mA^5ni:zjEm],n.镁Magnox[5mA^nCks],n.镁诺克斯合金metallurg
3、y[me5tAlEdVi],n.冶金nickel[5nikl],n.镍oxide[5Cksaid],n.a.氧化物(的)oxidize[5Cksi7daiz],v.使氧化，生锈paraffin[5pArEfIn],n.石蜡wax[wAks],n.石蜡pellet[5pelit],n.燃料芯块，片phase[feiz],n.相potassium[pE5tAsjEm],n.钾pyrolitic,a.热解的silicon[5silikEn],n.硅sodium[5sEudjEm,-diEm],n.钠tin[tin],n.锡lead[li:d],n.铅
4、zircaloy[5zE:kElCi],n.锆合金toxic[5tRksIk],a.有毒性的3Words3Allotropic[9AlEJ5trCpIk]a.同素异型的anisotropic[E7naisEu5trCpik],a.各向异性ceramic[si5rAmik],a.陶瓷的component[kEm5pEJnEnt],n.元素，组成部分conductivity[7kCndQk5tiviti],n.传导率corrosion[kE5rEuVEn],n.腐蚀erosion[i5rEuVEn],n.冲蚀crack[krAk],n.开裂stre
5、sscorrosioncracking(SCC),n.应力腐蚀开裂criticality[kriti5kAliti]n.临界(性，状态)crystalline[5kristElain],a.晶体状的diffuse[di5fju:z],n.扩散dimensional[di5menFEnEl],a.尺寸的distortion[dis5tC:FEn],n.变形dose[dEus],n.剂量trap[trAp],n.阱，收集器viscosity[vis5kCsiti],n.粘性4Words4Enrich[in5ritF],v.富集，浓缩exposure
6、[iks5pEuVE],n.辐照fabricate[5fAbrikeit],v.制造，生产fraction[5frAkFEn],n.分数，部分homogeneous[7hCmEu5dVi:njEs],n.均匀的inhalation[7inhE5leiFEn],n.吸入integrity[in5te^riti],n.完整性liable[5laiEbl],a.易于…的moist[mCist],a.湿的pre-eminent[pri(:)5eminEnt],a.优秀的retain[ri5tein],v.保持，保留saturation[7sAtFE5r
7、eiFEn],n.饱和self-annealing[selfA5ni:liN],自退火sublime[sE5blaim],v.升华susceptible[sE5septEbl],a.敏感的thermodynamic[5WE:mEudai5nAmik],a.热力学的transition[trAn5ziVEn,-5siFEn],n.转变54.1fuels燃料－4.1.1UraniumUraniuminoneformoranotherisbyfarthemostcommonfuelmaterialfornuclearreactors.不同形式的铀是反
8、应堆中最常用的一种燃料。byfar是加重语气，说明了themost的程度。Itcanbeusedeitheraspureuranium,ametal,
