芳烃是环状碳氢化合物，如苯，甲苯和二甲苯。
The aromatics are ringed hydrocarbons, such as benzene, toluene and xylene. Benzene is used to make polystyrenes e.g.
本标准规定了用气相色谱法测定居住区大气中苯、甲苯和二甲苯的浓度。
This regulation prescribes the concentrations of benzene, toluene and dimethylbenzene in air for residential area by gas chromatograph method.
苯、甲苯和二甲苯最后都完全矿化为CO2和H2O，没有生成新的有机物。
Benzene, toluene, dimethylbenzene can be complete mineralized into CO2 and H2O, without producing new organic materials.
另一组重要的石油化学品原料是芳香烃化合物，主要是苯、甲苯和二甲苯，主要由催化重整制得。
Another important group of petrochemical raw materials are the aromatic compounds, principally benzene, toluene and xylenes, which are mainly produced by catalytic reforming.
根据NASA的相关研究，证明了蜘蛛草可以除去空气中的甲醛、二甲苯和甲苯成分。
In NASA's study, they were shown to get rid of formaldehyde, xylene and toluene.
随着处理温度的提高，催化剂的活性降低，对二甲苯和邻二甲苯的选择性上升。
The catalytic activity declined as the selectivity of paraxylene and ortho-xylene improved with increasing treated temperature.
其异构化的目的是提高对二甲苯和邻二甲苯的收率。
Its isomerization is aimed at increasing the yields of para - and ortho - xylenes.
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。
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).
另外，它还可以抑制电脑显示器和打印机中释放的二甲苯和甲苯。
In addition, it can inhibit the release of computer monitors and printers in the xylene and toluene.
采用混合二甲苯二组分物系的固液相平衡方程及物料衡算和热量衡算方程对混合二甲苯连续悬浮结晶工艺进行模拟计算。
The continuous suspension crystallization process for xylene separation was optimized by calculation of solid-liquid phase equilibrium, material balance and energy balance.
用高压观测池通过可视观测确定了苯、甲苯和对二甲苯等二元系及三元系的临界性质以及甲苯歧化反应混合物临界性质随着反应进程的变化规律；
The critical properties of both binary and ternary mixtures involved in the toluene disproportionation were measured by using a high-pressure view cell with visual observation.
采用低温固相法制备了系列负载型铜、钴以及铜钴复合催化剂，用于邻二甲苯的深度催化氧化，以邻二甲苯的分解率和二氧化碳产率综合评价催化剂的活性。
A series of supported copper, cobalt and copper-cobalt composite catalysts were synthesized by solid state reaction, and used for the deep catalytic oxidation of o-xylene.
采用低温固相法制备了系列负载型铜、钴以及铜钴复合催化剂，用于邻二甲苯的深度催化氧化，以邻二甲苯的分解率和二氧化碳产率综合评价催化剂的活性。
A series of supported copper, cobalt and copper-cobalt composite catalysts were synthesized by solid state reaction, and used for the deep catalytic oxidation of o-xylene.
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