二氯甲烷

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G2/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 .

UPVC管材二氯甲烷浸渍试验的意义和合格性的判断

Signification of Dipping Test with Dichloromethane for UPVC Pipes and Qualitative Judgement

在MO／Al2O3催化剂上二氯甲烷的催化降解

Catalytic Degradation of Methylene Chloride over MO / Al 2O 3 Catalysts

二氯甲烷在CrO3／Al2O3和Pd／Al2O3催化剂上的催化氧化

Catalytic Decomposition of Methylene Chloride over CrO_3 / Al_2O_3 and Pd / Al_2O_3 Catalysts

样品经适量水稀释后，C18固相萃取柱提取净化，用V（甲醇）∶V（二氯甲烷）

Samples were diluted with water and cleaned up with C18 SPE column .

GC-MS测定二氯甲烷溶液中的氯化苦及测定过程中产生的新生化合物

The New Resultant of Chloropicrin from GC-MS Analysis of Its Dichloromethane Solution

MS分析显示：烟叶表面二氯甲烷萃取物和叶内萃取物在化学成分方面存在质和量的差异。

The GC-MS composition analysis indicated that there were significant differences between surface extraction and inside extraction in quality and quantity .

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。

Sponge plant with unusually high concentrations of methylene chloride reached 1000 μ g / m3 in discharge and workshops .

GB/T13526-1992硬聚氯乙烯（PVC-U）管材二氯甲烷浸渍试验方法

Unplasticized polyvinyl chloride ( PVC-U ) pipes-Dichloromethane test

以二氯甲烷为溶剂对乙酰基二茂铁Mannich反应的研究

Mannich reaction of acetylferrocene using dichloromethane as solvent

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。

Polymerizations of 1,3 pentadiene ( PD ) initiated by Al ( OTf ) 3 were carried out in methylene chloride at 20 ℃ .

以二氯甲烷为溶剂，超临界CO2为抗溶剂，采用超临界流体强制分散溶液技术成功地对天然胡萝卜素进行了超细化。

Natural carotene has been successfully micronized from dichloromethane solutions using CO_2 as antisolvent by the particle formation method of Solution Enhanced Dispersion by Supercritical Fluids ( SEDS ) .

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。

Utilize DSC technology for studying on plasticizing or coagulating degree of RPVC-U , supplement dichloromethane resistance testing .

3进一步研究了配合物RuHCl（Co）（PPh3）3与联烯的插入反应，结果表明，这个反应在二氯甲烷溶剂中可以快速进行。

The insertion reaction of RuHCl ( CO )( PPh_3 ) _3 and allene have been studied further .

样品以丙酮提取，加入NaCl使其饱和，再加入二氯甲烷分配，提取和分离农药一步完成。

The extraction and partition were combined into one step by saturating the extraction solvent with NaCl and at the same time driving away the water by dichloromethane .

样品以丙酮提取，过氧乙酸氧化，二氯甲烷萃取，气谱火焰光度检测器（GC／FPD）测定。

The samples extracted with acetone , were oxidized by peroxy acetic acid and then extracted with dichloro-methane , were finally detected by GC-FPD .

土壤样品用乙腈/去离子水提取，加饱和NaCl溶液，二氯甲烷萃取、分液，碱性氧化铝柱层析净化。

Soil samples were extracted with acetonitrile-deionized water , followed by addition of a saturated NaCl solution , partitioning with dichloromethane , and clean-up on an alkaline aluminum oxide column .

用二氯甲烷萃取血浆和肌肉中TNZ。

TNZ in plasma and muscle tissues extracted with dichloromethane .

3-氯-1-丙烯、二氯甲烷和1,1-二氯乙烷的采样管DP合格率为28.6%-57.1%，其他16种卤代烃为71.4%-100%。

The tube DP pass ratio values were 28.6 % to 57.1 % for 3-chloro-1-propene , methylene chloride and 1,1-dichloroethane , and 71.4 % to 100 % for the others .

为考察两种催化剂的稳定性，经100h稳定性实验后，证明这废二氯甲烷回收工艺的研究

Study of Recovery Process of Waste Methylene Chloride Research on New Type methylene chloride Catalytic Combustion Catalyst

三萜醇乙酸酯和4-甲基甾醇乙酸酯是采用20%硝酸银-硅胶G薄板，并用二氯甲烷-石油醚（8：2v/v）作展开剂进行分离的。

The acetates of triterpene alcohols and 4-methylsterols are separated by TLC with 20 % silver nitrate impregnated silica gel G , using CH_2CL_2-petroleum ( 8:2v / v ) as developing reagents . The identification of major components is carried out by TLC , m.

在常用的傅克反应溶剂二氯甲烷中添加另一种傅克反应溶剂硝基苯，且酰基化试剂邻苯二甲酸酐（PA）与硝基苯的摩尔比为1时，可大大提高PA的转化率。

Conversion of phthalic anhydride ( PA ) could be improved significantly at mole ratio of 1 ∶ 1 ( PA ∶ nitrobenzene ) by adding nitrobenzene into the usual Friedel-Crafts ( F-C ) reaction solution DCM .

三尖杉宁碱提取测定的最简便方法为：称取样品4g，放入10ml甲醇与二氯甲烷的比例为7∶1的混合液中，在35℃下浸泡36h。

The mixed solution is at the proportion of 9 Methanol to 1 Dichloromethane . Then , soak the admixture at 35 ℃ for 36 hours .

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；

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 .

以氯苯（CB）和二氯甲烷（DCM）为模型反应物，在固定床反应器中评价了催化剂的催化活性及稳定性，并初步探讨了催化燃烧的反应机理。

The activity and stability of all catalysts were evaluated in a fixed-bed reactor for catalytic combustion of chlorobenzene ( CB ) and dichloromethane ( DCM ) . And the reaction mechanism was also discussed .

方法取10g肝匀浆用6%高氯酸沉淀蛋白，离心，取上清液加入硅藻土柱中，用二氯甲烷洗脱。

Method Liver homogenate ( 1g ) was shaken with 6 % perchLoric acid then centrifuged ; the supernatant solution was added celite column and elution was effected with dichloromethane .

样品经甲醇提取，二氯甲烷萃取净化，残留中的噻虫嗪用二极管阵列（PDA）检测器在250nm处测定。

The sample was extracted by methyl alcohol , partitioned by dichloromethane . The residues were determined by photodiode array detection ( PDA ) at 250 nm .

采用邻二氯苯、氯苯、1,2二氯乙烷以及二氯甲烷四种晶型调节剂对TiOPc粗品进行转型。

TiOPc raw materials were transformed into Y-TiOPc by using crystal structure adjusting agents of 1,2-dichlorobenzene , chlorobenzene , 1,2-dichloroethane and dichloromethane .

样本用丙酮提取，加二氯甲烷萃取，通过中性氧化铝和活性炭混合柱层析净化，然后上气相色谱用NPD检测。

The procedure was described , including extraction by acetone and dichloromethane , cleaning up by passing through a column made up of neutral alumina and active carbon , determination by GC with NPD .

以聚苯乙烯和二氯甲烷为油相，十二烷基苯磺酸钠（SDBS）为表面活性剂，采用溶剂挥发法制备了磁性聚苯乙烯微球。

The magnetic polymer microsphere was prepared by using solvent evaporation with polystyrene and methylene dichloride as the oil phase , and sodium dodecyl benzene sulfonate ( SDBS ) as the surfactant .