dichloromethane
二氯甲烷
常用释义
英音[ daɪklɔ:rəˈmeθeɪn ]
美音[ daɪklɔːrəˈmeθeɪn ]
基本释义
- n. [有化] 二氯甲烷
例句
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1·The dichloromethane-ethanol system was the excellent solvent for HPMCAS.二氯甲烷-乙醇等混合溶剂是HPMCAS的良溶剂；
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2·Thee output of acetone and dichloromethane which raw material volatilized is little.生产工艺过程产生的丙酮，原料挥发产生的二氯甲烷、丙酮等产生量较小。 缪。
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3·The triadimenol could be extracted with acetone, and then re-extracted with dichloromethane.样品采用丙酮提取，然后使用二氯甲烷对提取液进行萃取。
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4·Note. (1) The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.注意事项(1)二氯甲烷加入五氧化二磷蒸馏，加入分子筛储存。
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5·To establish a gas chromatography method for solvent desorption of dichloromethane in the air of workplace.目的建立工作场所空气中二氯甲烷的溶剂解吸气相色谱测定方法。
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6·Dichloromethane was used as extracting agent for the extraction, and then vacuum rotatory evaporator was used for the concentration.以二氯甲烷为萃取剂对茅台迎宾酒中的微量成分进行了萃取，然后用真空旋转蒸发器将其浓缩。
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7·When hexane is mixed with equal volume acetone, the yield decreases sharply, which is the same as cyclo hexane mixed with dichloromethane.非极性溶剂正已烷和等体积性溶剂丙酮混合后，提取率有明显下降。
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8·Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.从南极永久性积雪空气分析大气卤烃的历史：甲基溴化物，甲基氯化物，氯仿和二氯甲。
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9·The amount of Chinese domestic dichloromethane used in the medicine industry is about 15-20% of the total sales quantity of dichloromethane.中国国内二氯甲烷用于医药行业的数量约为二氯甲烷总销售量的15 - 20%。
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10·BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.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。
同义词
n.
[有化]二氯甲烷