impurity的例句（impurity在句子中的用法）

• This gaseous impurity is able to bring about metal corrosion and contaminating. 这些气相杂质的存在会造成金属材料腐蚀,并污染环境.
• An on line concentration technique was developed to determinate trace impurity in Zolmitriptan and Mexitil. 利用在线富集技术测定药物佐米曲坦和盐酸美西律中的痕量杂质.
• Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting. 铸造缺陷 、 杂质元素偏聚和夹杂物的存在是形成早期裂纹源的原因.
• This impurity must be purged away after death. 这种污秽应该在死后加以净化.
• The oxygen reacts vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应.
• Impurity doped during epitaxy will diffuse in the epitaxial layer and even into the substrate. 在半导体器件制造的外延工艺中,外延生长时通常要掺入杂质.
• Searches in the impurity clues in the water - ice dominated plumes and surface ejecta are progressing. 科学家持续不断的研究这些由水冰主宰的羽状烟柱及表面喷发物,来寻找水存在的可能性.
• Complete crystal shape, high diaphaneity and low impurity. Suitable for circular saws, frame saws and geological broach. 晶体完整, 透明度高,杂质含量低,晶形与晶体强度性能优越. 使用于圆锯切片 、 框锯切片、地质钻头.
• It is found that the dispersing, impurity removal and chelating effect of acid help gold cyanidation. 研究结果表明,柠檬酸的分散 、 除杂及螯合作用有助于金的氰化浸出.
• Conclusion: The natural Harvest clarifier can substitute ethyl alcohol in the procedure of removing the impurity. 结论: 澄清剂法可代替乙醇法用以除杂质.
• The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist. 以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.
• ...a sphere made of diamond without impurity or flaw. 用钻石制成的完美无瑕的圆球