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- diphenyl dichloromethane 二苯二氯甲烷
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,广泛应用于塑料工业。
- 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。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半经验量子化学方法对二苯硫醚和二苯亚砜的构象进行研究。
- 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。
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- 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。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。