The aromatics are ringed hydrocarbons, such as benzene, toluene and xylene. Benzene is used to make polystyrenes e.g.
芳烃是环状碳氢化合物，如苯，甲苯和二甲苯。
It rids the air of indoor pollutants such as formaldehyde, xylene and benzene.
它能除去室内空气中的污染物，如甲醛、二甲苯和苯。
From the side of genetic toxicology, Using orthogonal design method, we studied the joint effect of benzene, Toluene and xylene on the mice small bowel micronucleus.
采用正交设计从遗传毒理学效应角度探讨了有机化合物苯、甲苯、二甲苯对小鼠骨髓细胞微核联合毒作用之间的关系。
The performance of the three catalysts was studied in the catalytic combustion of volatile organic compounds (benzene, toluene and p-xylene) via the Gas Chromatogram analysis.
以气相色谱为检测手段，用常压连续催化燃烧装置考察了这三种催化剂对甲苯、苯、二甲苯的催化燃烧性能。
The crude benzol is the byproduct of coking industry, by the purification of which chemical foundation raw materials such as benzene, toluene and xylene can be obtained.
焦化粗苯是炼焦工业的副产品，精制可得到苯、甲苯及二甲苯等化工基础原料。
One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.
以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化，一步合成邻甲基苯甲腈。
METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.
方法取ab- 8树脂分别经乙醇、丙酮处理前后的浸出液及经树脂吸附后的栀子洗脱液，以气相色谱法检测其中苯、甲苯、二甲苯、苯乙烯残留物的含量。
Recovery of crude benzene is the coking plant production of intermediate products, refined workshop production of benzene, toluene, xylene and other products of raw materials.
回收粗苯是焦化厂生产的中间产品，是精制车间生产纯苯、甲苯、二甲苯等产品的原料。
Main products are anthracene, naphthalene, bitumen, crude carbolic acid, benzene, toluene and xylene etc.
主要产品有蒽、萘、沥青、粗酚、苯、甲苯、二甲苯等。
Result:Organic poisons such as benzene, xylene, methylbenzene, ethyl acetate and butyl acetate could be separated effectively by column FFAP, the ralative standard deviation of the method was 1.
目的：研究一个能同时测定空气中苯、甲苯、二甲苯、乙酸乙酯、乙酸丁酯等有机毒物的检测方法，用以对新装修旅店客房有机毒物含量分析。
Benzene, toluene, ethylbenzene, xylene (BTEX) compounds in debris samples which were at different depth and at the same well were determined by micellar electrokinetic capillary chromatography (MECC).
用胶束电动毛细管色谱法测定了同一井位、不同深度岩屑样品中的苯、甲苯、乙苯和二甲苯化合物。
The method of trace detection of benzene, toluene, ethylbenzene, and xylene(BTEX) was studied in ambient air using laser two-photon ionization.
利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。
There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.
再采用顶空气相色谱法检测所得苹果多酚纯化物中正己烷、苯、甲苯、对二甲苯、邻二甲苯、苯乙烯等有机溶剂残留均低于检测限。
It indicated that the mixture of benzene, toluene and xylene exposure during pregnancy may affect the intelligence development in offspring.
提示，孕期接触苯系混合物对子代的智力发育可能有一定影响。
Adhesives are not more than benzene, toluene, xylene and other harmful elements, consistent with national standards HJBZ28-1998.
以上粘合剂均不含苯、甲苯、二甲苯等有害成份，符合国家标准HJBZ28 - 1998。
The result provided a reference for amending working environment sanitary criterion of benzene, toluene, and xylene.
此结果为修订作业环境苯及其同系物各自的卫生标准或制定混苯的卫生标准提供了参考依据。
The result provided a reference for amending working environment sanitary criterion of benzene, toluene, and xylene.
此结果为修订作业环境苯及其同系物各自的卫生标准或制定混苯的卫生标准提供了参考依据。
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