最后，炼油厂排放很多的气体，如二氧化硫(SO2)、二氧化氮(NO2)、二氧化碳、一氧化碳、甲烷、双环氧乙烷、氟化氢、氯、苯和其他气体。
Finally, refineries emit many gases like sulphur dioxide (SO2), nitrogen oxide (NO2), carbon dioxide, carbon monoxide, methane, dioxins, hydrogen fluoride, chlorine, benzene and others.
用活性碳吸附管采集大气中的苯系物，二氯甲烷替代二硫化碳作为脱附剂，毛细管气相色谱分离分析。
BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.
催化烷基氯和苯的反应，其中二氯甲烷和苯反应得到5倍量的单一产物二苯甲烷。
This system also can catalyze the reaction of benzene with alkyl chloride, in which only the desired diphenylmethane is isolated in good yield (5 equiv. ).
以丙烯酸酯为单体，二乙烯基苯为交联剂，三氯甲烷为致孔剂，采用悬浮聚合法合成了轻度交联的多孔丙烯酸酯类吸油树脂。
Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.
说出来吓死你，死尸会释放出苯，二氯二氟代甲烷等一系列奇怪的化学物质。然而也正是这些物质帮助了科学家找到各种隐秘的墓穴。
Dead bodies emit a surprising array of chemicals, from benzene to freon, which can help forensic scientists find clandestine graves.
一种清除口香糖残渣的清除剂由二硫化碳、二氯甲烷、乙酸乙酯、司班-80、环己酮及十二烷基苯磺酸钠及水组成。
The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
前言：以邻苯二酚和二氯甲烷为原料，二甲亚砜为溶剂，在碱性条件下合成1，2-亚甲二氧基苯，产品收率达到73.4%；
2-(methylenedioxy)benzene is synthesized by using catechol, dichloromethane and dimethylsulfoxide with the condition of alkali and normal pressure. Overall yield of the process is 73.4%.
前言：以邻苯二酚和二氯甲烷为原料，二甲亚砜为溶剂，在碱性条件下合成1，2-亚甲二氧基苯，产品收率达到73.4%；
2-(methylenedioxy)benzene is synthesized by using catechol, dichloromethane and dimethylsulfoxide with the condition of alkali and normal pressure. Overall yield of the process is 73.4%.
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