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- dichloromethane dehalogenase 二氯甲烷脱卤素酶
- Efficient expression of bacterial haloalkane dehalogenase gene in Arabidopsis thaliana. 细菌卤代烷烃脱卤酶基因在拟南芥菜中的高效表达。
- The result showed that the dichloromethane extractive from Sawara Falsecypress has no or weak antifungal capability. 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。
- High quantity level of chlorobenzene and phenol to impregnated into PET flakes by using dichloromethane as solvent. 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。
- The major compounds in dichloromethane extractives comprised of terpene and naphthalene derivatives. 二氯甲烷提取物中主要化学组分是萜烯类和萘衍生物。
- The reaction is used for the industrial synthesis of chloroform,dichloromethane. 此反应用于氯仿,二氯甲烷的工业合成。
- Diphenylmagnesium bromide did not initiate styrene in dichloromethane and tetrahydrofuran either adding oxygen or not. 同时考察了溶剂是二氯甲烷和四氢呋喃时,无论加不加氧气,苯基溴化镁均不能引发苯乙烯聚合。
- The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent. 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。
- Objective To establish a determination method of the residual chloroform,dichloromethane and methylbenzene in Granisetron Hydrochloride by GC. 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。
- Titanium oxide sol was prepared using inorganic titanium salt, and was used to photo-oxidize dichloromethane(DCM) solution. 利用二氧化钛溶胶进行光催化含氯的有机物。
- Poly (L-lactic acid) nanofibers were prepared via electrospinning by using dichloromethane as a solvent and the rotating cylinder as a collector. 摘要采用二氯甲烷为溶剂,以滚筒为收集装置,利用静电纺丝法制备了聚乳酸纳米纤维。
- Two raw coals from Yueliangtian and Kaili coal mines in Guizhou Province were extracted with dichloromethane separately. 摘要用二氯甲烷对贵州月亮田和凯里两种煤样进行了索氏萃取,并采用柱色谱对萃取物进行了族组分分离。
- Antioxidant activities of six spice materials have been measured using peroxide value(POV)and acid value(AV)after extraction with dichloromethane. 以过氧化值及酸价为指标,评价了以二氯甲烷为溶剂的生姜等六种常用香辛料提取物的抗氧化作用。
- Then the extract was distributed between dichloromethane and water, and the organic part was then subjected to HSCCC for the iso... 经过紫外检测、快原子轰击质谱及核磁共振等方法的结构分析鉴定,证实分离所得物质为肉桂酰基C葡萄糖甙芦荟色酮。
- N-dimethyl nitrosamine in food was extracted by Dichloromethane and determined by SIM with gas chromatography-mass spectrometry. 用二氯甲烷对各类食品中的N-二甲基亚硝胺进行提取,利用气质联用仪采用选择离子法(SIM)进行定性定量检测。
- When dichloromethane was used as solvent the reaction time was elongated to 24 hours and a yield of 83% of the product with high purity was achieved. 二氯甲烷作溶剂时反应时间为24小时,产物可以与溶剂分离,且纯度较高。
- And if that hasn’t convinced you - the chemical often used in decaffeinating coffee beans (dichloromethane) is also used as a paint stripper. 如果这还不能说服你,那么我告诉你:用来脱咖啡因的化学物质也被用作脱漆剂。
- A method for the determination of the contents of residual organic solvents dichloromethane and chloroform in finasteride by SPME-GC was proposed. 利用固相微萃取气相色谱法测定非那雄胺中的溶剂残留,对固相微萃取的萃取温度、萃取时间、解吸时间和溶液的离子强度等分析条件进行了优化。
- Potassium hydroxide and another South Korean, Chinese-made carbon tetrachloride, dichloromethane and other varieties of the operation. 另有韩国氢氧化钾、国产四氯化碳、二氯甲烷等多品种经营。
- Using dichloromethane as solvent and glacial acetic acid as detergents, this method is also suitabe in the determination of the content of MG. 采用二氯甲烷作为溶剂,冰醋酸作洗涤液,代替常规方法中的三氯甲烷和蒸馏水,结果表明,改进后的方法同样适用于单甘酯含量的测定。