xylenes

常见例句

Benzene,toluene,ethylbenzene and xylenes(BTEX) are components which are commonly found in crud oil,contaminated ground water and air.
单环芳烃苯、甲苯、乙苯和二甲苯(简称BTEX)是石油的重要组分,也是环境中需要重点监测的致癌污染物。
As examples, the fungus degrades benzene, toluene, ethylbenzene, and xylenes (the so-called BTEX compounds), chlorinated compounds such as 2,4,5trichloroe- thylene (TCE), and trichlorophenols.
例如,这种真菌降解苯、甲苯、乙苯、和二甲苯(所谓的BTEX化合物),氯化物如2,4,5一三氯乙烯,三氯苯酚。
Objective To establish a gas chromatographic method with carbon disulfide desorption for benzene,toluene and xylenes in time-weighted average(TWA)concentration in the workplace air.
目的建立工作场所空气中苯系物的时间加权平均浓度(TWA)气相色谱测定方法。
Keywords excess molar volumes;mixed xylenes;tert-buthyl methyl ether;vibrating-t ube densimeter;
过量体积;混合二甲苯;叔丁基甲醚;振动管密度计;
Keywords Excess molar volumes;Binary system of chloroform with xylenes;Vibrating tube densimeter;
混合二甲苯;过量体积;振动管密度计;
Keywords propane;aromatization;xylenes;ZRP molecular sieve;catalysis;silica modification;para-selectivity;
丙烷;芳构化反应;二甲苯;ZRP分子筛;催化;硅改性;对位选择性;