... toxic metallic dust 有毒金属尘 toxic solvent 有毒溶剂 toxic substance [water quality objective]有毒物质〔水质指标〕 ...
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low toxic solvent 低毒溶剂
low-toxic solvent 低毒性溶剂
biodegradable non-toxic safety solvent 生物降解无毒性安全溶剂
low toxic mixed solvent 低毒混合溶剂
low-toxic mixing solvent 低毒混合溶剂
Toxic effect of organic solvent, unspecified 未特指有机溶剂的毒性效应
The cleaning agent USES water as a solvent instead of toxic solvent such as benzenes, phenol aromatic hydrocarbons and halogenated hydrocarbon.
本发明不含苯类、酚类芳烃，卤代烃等有毒溶剂，以水为溶剂。
CONCLUSION the yield is raised, and the reaction time is shortened and the toxic solvent is removed. The procedure developed is suitable for industrial production.
结论新工艺提高了收率、缩短了反应时间、消除了毒性溶剂，适合工业化生产。
Abstract: butadiene extraction unit in the presence of a large amount of solvent and butadiene, acetylene and other C4 hydrocarbons, these substances are toxic, flammable and explosive.
摘要：丁二烯抽提装置中由于存在大量的溶剂和丁二烯、炔烃等C4烃类，这些物质都是有毒、易燃、易爆的。
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