xylenes

常見例句

Benzene,toluene,ethylbenzene and xylenes(BTEX) are components which are commonly found in crud oil,contaminated ground water and air.
單環(huán)芳烴苯、甲苯、乙苯和二甲苯(簡(jiǎn)稱BTEX)是石油的重要組分,也是環(huán)境中需要重點(diǎn)監(jiān)測(cè)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,這種真菌降解苯、甲苯、乙苯、和二甲苯(所謂的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.
目的建立工作場(chǎng)所空氣中苯系物的時(shí)間加權(quán)平均濃度(TWA)氣相色譜測(cè)定方法。
Keywords excess molar volumes;mixed xylenes;tert-buthyl methyl ether;vibrating-t ube densimeter;
過量體積;混合二甲苯;叔丁基甲醚;振動(dòng)管密度計(jì);
Keywords Excess molar volumes;Binary system of chloroform with xylenes;Vibrating tube densimeter;
混合二甲苯;過量體積;振動(dòng)管密度計(jì);
Keywords propane;aromatization;xylenes;ZRP molecular sieve;catalysis;silica modification;para-selectivity;
丙烷;芳構(gòu)化反應(yīng);二甲苯;ZRP分子篩;催化;硅改性;對(duì)位選擇性;