NF 3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。
NF3 is a colorless gas. Trace quantities of impurities can impart a musty or pungent odor to the gas.
一种有刺激性气味的有毒无色气体，C2H2o，主要用作乙酰化剂。
A pungent, toxic, colorless gas, C2H 2o, used chiefly as an acetylation agent.
甲醛的性质、对人体的危害及其来源甲醛是无色、具有强烈气味的刺激性气体 ，其35%~40%的水溶液通称福尔 马林。
The nature of the formaldehyde, the harm of human body and its source of formaldehyde is a colorless, excitant gas with strong smell, its aqueous solution of 35% ~ 40% formalin.
由于这种涂层是一种水基系统，因此，几乎没有刺激性气味，并且不含有可能污染环境的易燃有机化合物，此外，在固化和操作处理过程中没有污染气体的排出。
Since it is a water based system, it has minimal odour and contains no volatile organic compounds that may affect the environment. No outgassing will occur upon curing or during operation.
由于这种涂层是一种水基系统，因此，几乎没有刺激性气味，并且不含有可能污染环境的易燃有机化合物，此外，在固化和操作处理过程中没有污染气体的排出。
Since it is a water based system, it has minimal odour and contains no volatile organic compounds that may affect the environment. No outgassing will occur upon curing or during operation.
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