Hazardous substances used by chlorinated dry cleaning operation include perchloroethylene ( PEC ) trichloroethylene ( TCE ) and small amounts of trichloroethane all known as volatile organic compounds ( VOCs ) listed in many professional testing criteria and limit values of pollutant control index .

干洗过程使用的有害物质包括四氯乙烯（PCE）、三氯乙烯（TCE）及少量的 三 氯 乙烷，这些挥发性有机物已列入许多 国家 和 地区 优先控制的污染物指标。

The results show that 1 trichloroethane is an effective solvent for the extraction process .

模拟结果表明， 1 三 氯 乙烷是糠醛和水分离的有效溶剂；

Objective To conduct an on the spot labor health investigation in four factories to provide a basis of the establishment of the health standard for 1 trichloroethane ( TCE ) in the air of workplace .

目的为我国车间空气中 1 三 氯 乙烷（TCE）卫生标准的引进提供依据。

Trichloroethane was selected as a solvent for the extraction separation of furfural water system . The theoretical results of cross current and counter flow were obtained by simulation calculation .

选择 1 三 氯 乙烷为糠醛和水萃取分离的溶剂，建立错流和逆流模拟计算 框图，采用试 差法模拟错、逆流分离结果。

Results The detectable rates were 100 percent whether 666 ( benzene hexachloride ) or DDT ( dichloro diphenyl trichloroethane ) .

结果人发中 666、DDT的检出率均为100%。

METHODS The residues of 4 isomers of benzene hexachloride ( BHC ) 4 isomers of dichloro-diphenyl trichloroethane ( DDT ) and pentachloro nitrobenzene ( PCNB ) were determined by gas chromatography .

方法采用气相色谱法对六六六（BHC）4种异构体、滴滴涕（DDT）4种异构体和五氯硝基苯（ PCNB）进行测定。

Study on the residues amount of hexachloro-cyclohexane and dichlorodiphenyl trichloroethane in rice and its rhizosphere soil

水稻及其根际土壤中 六六六、滴滴涕残留量探析

System configuration and experiments results with respective to Toluene Dichloroethane and Trichloroethane is presented .

本文介绍了 这一 新技术及对甲苯，二氯 乙烷， 三 氯 乙烷的测量结果。

For other chlorinated hydrocarbons such as 1 trichloroethane trichloroethene cis dichloroethene and trans dichloroethene no degradation occurred under the three studied redox conditions .

其它有机氯代烃，如 1 三 氯 乙烷、三氯乙烯、及二氯乙烯异构体等，在3种氧化还原条件下均未发生降解。

Photocatalytic Degradation of 1 - trichloroethane on TiO_2

1 三 氯 乙烷的TiO2光催化降解

Preparation of Ultra - pure 1 - Trichloroethane

超高纯 1 三 氯 乙烷的制备

Determination of 1 trichloroethane in industrial waste gas by gas chromatography with electron capture detector was conducted .

采用带有电子捕获检测器的气相色谱仪测定工业废气中的1，1，1－ 三 氯 乙烷。