methylene chloride

1. Beans are steamed, so that dissolved caffeine rises to the surface, where it is washed off using an organic solvent called methylene chloride.
   脱咖啡因咖啡使用了化学物品。咖啡豆进行蒸汽压力后使溶解的咖啡因漂浮于表面，然后使用一种叫做二氯甲烷的有机溶剂将其过滤掉，即成为脱咖啡因产品。
2. The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
   通过对其酰化原理分析，选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂，测定含环氧基聚酯的羟值。
3. Results: average recovering ratio is 100.3% of methylene chloride and 99.9% of dimethyl acetylamide and 99.4% of glacial acetic acid.
   结果：平均回收率：二氯甲烷100.3%二甲基乙酰胺99.9%冰乙酸99.4%。
4. The reactor and transfer line are rinsed with several small portions of methylene chloride. A real-time monitoring system designed for reaction tank cleaning device based on a wireless module
   反应器和输送管线被用少量二氯甲烷洗涤几次。基于无线模块的反应釜清洗头实时监测系统
5. Do not contact methylene chloride acet ( like nail oil) strong acid detergent.
   不要接触亚甲基氯化物、丙酮（去指甲油剂）、强酸清洗剂。
6. Caffeine is removed by directly soaking the materials in the methylene chloride.
   咖啡因是去除的材料直接浸泡在二氯甲烷。
7. Molecular Toxicology of Cypermethrin to Fish; Study on chemical constituents of methylene chloride extract of Rubus chingii
   氯氰菊酯对鱼类的分子毒理效应研究覆盆子二氯甲烷萃取物中的化学成分
8. This solution is then treated with either methylene chloride or ethyl acetate, which bonds with the caffeine.
   这个解决方案，然后处理或者二氯甲烷或乙酸乙酯，这些债券咖啡因。
9. The assessment was highlighted on performance of painting removers formulated with methylene chloride as the organic solvent with respect to the disadvantages such as high volatility, corrosive and toxicity.
   重点评述了CH2Cl2型有机溶剂脱漆剂配方及其改进配方，并针对其存在的高挥发性、腐蚀性及毒性等缺点，综述了生态型脱漆剂的研究进展。
10. Methylene chloride was used as extractant in the extraction of condensed liquid and 3% sodium carbonate solution was used in acid separation.
    用二氯甲烷为萃取剂，萃取浓缩液用3%碳酸钠溶液进行酸分离。
11. This method is to obtain multi-fungi from water and waster water by methylene chloride fluid-fluid extract nitrogen, and then take the concentration purification to the highly effective liquid phase color spectrometer where it can be detected by the diode matrix detector.
    用二氯甲烷液-液萃取氮吹浓缩法萃取水和废水中的多菌灵，取浓缩纯化后的有机相直接进样到高效液相色谱仪，用二极管矩阵检测器检测，根据保留时间外标法定量。
12. Nowaday developments show that it can be drop in replacement of methylene chloride.
    目前的发展表明，它在一定程度上可以作为二氯甲烷的直接代用品。
13. Study of Recovery Process of Waste Methylene Chloride
    废二氯甲烷回收工艺的研究
14. Catalytic Decomposition of Methylene Chloride over CrO_3/ Al_2O_3 and Pd/ Al_2O_3 Catalysts
    二氯甲烷在CrO3／Al2O3和Pd／Al2O3催化剂上的催化氧化
15. Furthermore, the adsorption ability of fine carbon fibre remarkably influences the catalytic activity and selectivity in the oxidative destruction of methylene chloride.
    实验还揭示，碳纤维的单丝直径粗细和吸附能力明显影响催化剂的催化活性与选择性。
16. The medicine was distilled by methylene chloride and its concentration was analysed by High Performance Liquid Chromatography with average recovery of 80%~ 90% and the low determination limit of 0.01 μ g/ ml.
    药物在对虾肌肉、血淋巴、肝胰脏中的残留用二氯甲烷提取，反相高效液相色谱法检测，最低检测限可达0.01μg/mL，平均回收率为80%~90%。
17. Cationic polymerizations of 1, 3-pentadiene ( PD) were initiated by various Lewis acids such as AlCl_3, BF_3. OEt_2, AIBr_33 and TiCl_4 at 30 ℃ in n-hexane, methylene chloride and toluene respectively.
    以AlCl3、BF3·OEt2、TiCl4和AlBr3等Lewis酸为引发剂，在不同溶剂中（正己烷、二氯甲烷、甲苯）于30℃引发1，3－戊二烯阳离子聚合。
18. This paper also researched the performance of this rapid algorithm in reconstructing concentration distribution of acetone, methylene chloride, and chloroform in the measuring plane.
    本论文对丙酮、二氯甲烷、氯仿三种有机有毒大气污染物进行了气体浓度分布的快速重构。
19. Polymerizations of 1,3 pentadiene ( PD) initiated by Al ( OTf) 3 were carried out in methylene chloride at 20 ℃.
    研究了以Al（OTf）3引发的1，3－戊二烯（PD）在二氯甲烷中的阳离子聚合引发过程。
20. The eight VOCs were acetophenone, phenol, benzotrichloride, 1, 3-butadiene, chlorobenzene, methanol, methyl chloroform and methylene chloride. They were mixed together with very low concentrations.
    所测定的八种VOCs为苯乙酮，苯酚，三氯甲苯，1,3丁二烯，氯苯，甲醇，三氯代乙烷和二氯甲烷。对氯仿敏感；
21. As the glycerol content and oleic acid content increase, the viscosity of solution increased. As the methylene chloride content increase the viscosity of solution decreased. As the radiation dose increase, the viscosity of solution first increased, and then decreased.
    随着丙三醇含量和油酸含量的增加，溶液黏度增加；随着二氯甲烷含量增加，溶液黏度下降；随着辐照剂量增加，溶液黏度先增加后减小。
22. For bitter acyl benzene hydrazine free radicals(· OH), crude extractings of petroleum ether layer, methylene chloride layer, ethyl acetate layer, acetone layer, methanol layer all represented the clearance of · DPPH.
    对于二苯基苦味酰基苯肼自由基（·DPPH），石油醚层、二氯甲烷层、乙酸乙酯层、丙酮层、甲醇层粗提物均表现出对其有清除作用。
23. With 10% of glycerol concentration, 30% of methylene chloride concentration, 9% of oleic acid concentration, optimum adhesion properties of modified zein were achieved.
    当丙三醇浓度为10%，二氯甲烷浓度为30%，油酸浓度为9%时，改性玉米醇溶蛋白的粘结性分别达到最佳。
24. Sponge plant with unusually high concentrations of methylene chloride reached 1000 μ g/ m3 in discharge and workshops.
    海绵加工厂二氯甲烷具有异常高的浓度，排放口和车间均达1000μg／m3以上。
25. In the experimental temperature range, as the temperature increase, the viscosity of methylene chloride modified solution reduced, and the viscosity of other methods modified solution first decreased and then increased.
    在试验温度范围内，随着温度增加，二氯甲烷改性的溶液黏度降低，其他方法改性的溶液黏度先降低后增加。
26. The zein solutions with chemical modification, such as glycerol, methylene chloride and oleic acid, or powder irradiation, showed pseudoplastic fluid characteristic, with shear thinning phenomenon.
    玉米醇溶蛋白的丙三醇、二氯甲烷和油酸等化学改性或辐照处理粉末后，其溶液呈现假塑性流体特性，具有剪切变稀现象。

noun

1. a nonflammable liquid used as a solvent and paint remover and refrigerant

   Synonym:    dichloromethane