1·Concerning exposures to specific chemicals, tetrachloroethylene is identified as the most commonly used solvent during the last two to three decades.
关于风险的具体化学品，四氯乙烯是被确定为最常用的溶剂，在过去两至三数十年。
2·Microcapsules were prepared through two-step and one-step in situ polymerization method, with urea-formaldehyde as wall material, and tetrachloroethylene as core material.
以尿素-甲醛为壁材，四氯乙烯为芯材，通过两步原位聚合法和一步原位聚合法制备微胶囊。
3·Presents the recommended standard based thereon which were prepared to meet the need for preventing occupational diseases arising from exposure to tetrachloroethylene.
提出建议的标准基础上，其中准备，以满足需要为防止职业病所产生的从接触到四氯乙烯。
4·The capabilities of Fe0, Ni-Fe bimetal and Cu-Fe bimetal for reductive dechlorination of tetrachloroethylene(PCE)were studied.
研究了零价铁、镍-铁和铜-铁双金属对四氯乙烯（PCE）的还原性脱氯性能。
5·This standard solution was accurately prepared in super-clean laboratory with tetrachloroethylene and sub-packed in 2ml ampoules.
本标准溶液以四氯乙烯在超净实验室中准确配制并分装于2 毫升安瓿中。