impurities
[ impurity ]的复数形式
- Bessemer process:a method for making steel by blasting compressed air through molten iron to burn out excess carbon and impurities.
贝塞麦炼钢法:吹入压缩空气通过熔融的钢铁以燃尽多余的碳和杂质的一种炼钢方法。收藏 - Ion Chromatographic Method for Determination of Impurities in Tripolyphosphate
离子色谱法测定食品添加剂三聚磷酸盐中的杂质含量收藏 - NF3 is a colorless gas. Trace quantities of impurities can impart a musty or pungent odor to the gas.)
NF3是无色气体。痕量的杂质会使气体带有一种霉味或刺激性气味。收藏 - Semiconductors containing such impurities are called p-type semiconductors
含有这类杂质的半导体叫做P型半导体。收藏 - Impurities that promote deterioration of polymers can be foreign materials, such as residues from polymerization catalysts
促使聚合物劣化的杂质可能是外加的物质，如残存的聚合用催化剂。收藏
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