英语释义

• a nonflammable liquid used as a solvent and paint remover and refrigerant

片语

dichloromethane DCM二氯甲烷

methylene chloride二氯甲烷，亚甲基氯

dichloromethane trichloromethane二氯甲烷

Dichloromethane solution亚甲基二氯

dichloromethane extraction二氯甲烷萃取部位

Dichloromethane extractives二氯甲烷提取物

acetonitrile dichloromethane乙腈二氯甲烷

methylene dichloride二氯甲烷

HPLC Dichloromethane色谱级二氯甲烷

diphenyl dichloromethane翻译

Dichloromethane ultragrade二氯甲烷

英汉例句

• continuous phase extraction method, solvent extraction method and reduced pressure heating method were applied to remove the residual dichloromethane in naltrexone microspheres, respectively.

  分别采用连续相萃取法、溶剂萃取法和减压加热法去除纳曲酮微球中残留二氯甲烷，并对经减压加热法处理的微球进行体外释药试验。

• 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。

• 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。

• ring opening reaction of 2,3-epoxy ketones with nitric oxide in dichloromethane occurred in a syn-selective fashion, producing syn-2-hydroxy nitrates as main products.

  在二氯甲烷溶液中，一氧化氮导致2，3-环氧酮发生顺式开环反应，生成的顺式羟基硝酸酯化合物为主要产物。

• 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。

• in order to evaluate electrochemical properties, the cyclic voltammetry (cv) measurements were performed in a dry dichloromethane solution.

  为了评价目标化合物的给电子性能，在干燥的二氯甲烷溶液中测定了氧化还原电位。

• 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%。

• meanwhile, the increase of domestic investment of dichloromethane was also lower than that of the quantity under domestic demands.

  同时，国内对二氯甲烷的投资增长也低于国内需求量的增长。

• therefore, there has not been any circumstance under which the domestic dichloromethane market shrinks due to other substitutable products.

  因此，没有出现由于其他替代产品的产生而导致国内二氯甲烷市场的萎缩。

• 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。

• the eluents applied in sequence were benzene, dichloromethane, 1∶1 dichloromethane methanol and methanol.

  所用的流动相及洗脱顺序：苯、二氯甲烷、甲醇二氯甲烷（1∶1体积比）、甲醇。

• utilize dsc technology for studying on plasticizing or coagulating degree of rpvc-u, supplement dichloromethane resistance testing.

  应用差示扫描量热法（dsc）技术研究了rpvc管材的塑化度或凝胶化度，并辅以二氯甲烷浸渍试验。

• the results show that it is easy to separate sucrose-6-acetic ester from sucrose-4-acetic ester, using carbinol and dichloromethane as unfolding agent.

  实验结果表明，采用甲醇、二氯甲烷的混合物作为展开剂可较好地分离6位及4位蔗糖乙酸酯。

• deet did not have the attractiveness to mosquitoes, and did not exhibit inhibition on l-lactic acid dichloromethane solution too, but enhanced the attractivity of human odor to mosquitoes.

  deet对蚊虫无明显的引诱作用，对二氯甲烷l-乳酸溶液引诱剂也无明显的抑制效果，但可显着增强人体气味对蚊虫的引诱性。