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介绍了固碱吸附除水在二氯甲烷回收中的应用情况。The application of solid base in drying recovered dichloromethane was introduced.

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。The output of acetone and dichloromethane which raw material volatilized is little.

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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。To establish a gas chromatography method for solvent desorption of dichloromethane in the air of workplace.

用二氯甲烷作为溶剂，以大数量级把氯苯和苯酚浸泡入洁净PET薄片中。High quantity level of chlorobenzene and phenol to impregnated into PET flakes by using dichloromethane as solvent.

用黑曲霉对二氯甲烷提取物进行抑菌性能测试，结果表明该提取物对黑曲霉没有抑菌能力。The result showed that the dichloromethane extractive from Sawara Falsecypress has no or weak antifungal capability.

用中性氧化铝柱层析法对粗产物进行分离提纯，用含一定量吡啶的二氯甲烷溶液作为洗脱剂。The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.

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

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以二氯甲烷作为萃取剂具有能耗低、待分离体系热稳定性好和有效能损失小的优点。Dichloromethane as extractive solvent has the advantages of low energy consumption and fine heat stability of the separation system.

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

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.

目的建立了毛细管气相色谱法测定盐酸格拉司琼中氯仿、二氯甲烷、甲苯的有机溶剂残留量。Objective To establish a determination method of the residual chloroform, dichloromethane and methylbenzene in Granisetron Hydrochloride by GC.

流式细胞仪分析发现外加红豆杉细胞二氯甲烷提取物后肝癌细胞G_2/M期含量增加。SMMC-7721 cells in G2-M stage increased with higher concentration of dichloromethane extracts from Taxus chinensis cells and longer incubation.

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用二氯甲烷溶解样品，加入正己烷使三醋酸纤维素析出，过滤，滤液蒸干后定容。The target compounds were extracted with dichloromethane. The precipitation of the triacetate cellulose was precipitated by the addition of hexane.

发现泡沫稳定剂应选择活性较低的Q-5307，找出了泡沫密度和水以及二氯甲烷用量的关系。It has been found that the low active Q-5307 foam stabilizer must be selected, and the foam density varied with the weight of water and dichloromethane.

直接注入气相色谱仪法测定涂料及涂层中二氯甲烷和1，1，1-三氯乙烷的试验方法。Standard Test Method for Determination of Dichloromethane and 1,1,1-Trichloroethane in Paints and Coatings by Direct Injection into a Gas Chromatograph.

目的研究山茱萸生、制品二氯甲烷萃取部位对D-半乳糖致衰小鼠骨髓细胞的影响。Objective To study the influences of dichloromethane extraction from crude and processed Cornus Officinalis on bone marrow cells of aging mice induced by D-galactose.

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。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.

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在羊绒衫抽查中由于二氯甲烷可溶性物质超标而被判为不合格产品占有一定比例。In cashmere sweater spot checks because of dichloromethane in soluble substances exceeds the allowed figure sentenced to substandard products occupy a certain proportion.

方法水中的毒死蜱经二氯甲烷萃取后，用火焰光度检测气相色谱法测定，以保留时间定性，外标法定量。Methods Chlorpyrifos was determined by GC-FPD after extraction by dichloromethane. Qualitative analysis was done by retention time and quantitative analysis by external standard curve.

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，但可显著增强人体气味对蚊虫的引诱性。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.