手机已被划入了“有可能致癌”的一类，这一类中还包括杀虫剂、干洗剂、发动机尾气、铅、泡菜还有咖啡。
Cellphones were placed in a "possibly carcinogenic" category that also includes pesticides, dry cleaning chemicals, engine exhaust, lead, pickled vegetables and coffee.
卤代烃是一类高效金属除油清洗剂。
研究了以双辛基酚聚氧乙烯醚和双烷基苯双磺酸盐这两类双子表面活性剂为主的金属清洗剂的清洗性能。
The property of metal detergent consists of two kinds of gemini surfactants(dialkylphenyl bisulphonate and bisphenolic polyoxyethylene ether) was studied for cleaning the smeary surface of aluminium.
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