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- Keywords catalytic amination;bimolecular disproportionation reaction;synthesis of piperazine;copper containing catalyst; 醇催化胺化;双分子歧化;哌嗪合成;铜催化剂;
- bimolecular disproportionation 双分子岐化
- Is not the disproportion enormous? 这两者的不对称不是太巨大了吗?
- This reaction involves disproportionation of the aldehyde. 这个反应就是醛的歧化作用。
- However, a moral disproportion also obtains in N's case. 但是,道德失衡也可能在N的案子中出现。
- This reaction involves disproportionation of the aldehyde . 这个反应就是醛的歧化作用。
- Termination of free radical chairs occurs by a bimolecular reaction. 自由基链的终止产生于双分子反应。
- Termination of free radical chains occurs by a bimolecular reaction. 自由基链的终止产生于双分子反应。
- Nano-Ni was first used as catalyst for disproportionation of resin acid. 将纳米镍催化剂首次应用于树脂酸的歧化反应中。
- By far the worst form of competition in schools is disproportion ate emphasis on examinations. 学校里最最糟糕的竞争方式是不恰当地强调考试。根据这句话可知
- The paper discusses the influence on the plant cellular, caused by the added HVEF, by the bimolecular lipid membranes, and deduces the microcosmic mechanism. 结果表明,较低电压的处理可提高硫甙含量,显著降低含油量,而较高电压的处理可降低硫甙含量,极显著降低芥酸含量。
- The results showed that the cross-linked clay had better catalytic activity to the disproportionation of 1,2,4-trimethylbenzene. 结果表明:交联黏土催化剂对1,2,4-三甲苯歧化反应具有较好的催化活性。
- The energy of activation of bimolecular cyclopolymerization was found to be 3.7 kcal/mole higher than that of monomolecular reaction. 本文还求得双分子环化反应活化能(E_(1c))较单分子环化反应活化能(E_c)高约3.;7千卡/克分子;因而对为什么聚合温度升高时聚合体环化率也将升高作出解释。
- The SPD and BPD measured by ultrasound would be method for diagnosis of cephalopelvic disproportion in childbearing. 临产前超声测量胎儿双顶径及孕妇骨盆骶耻径可作为产前头盆不称筛查的检测方法而值得临床应用。
- The cephalopelvic disproportion was the major indication in the spontaneous labour group. 在剖宫产指征方面两组有所不同。
- In these containers, bimolecular reactions between specially selected guests proceed with high regio- and stereoselectivity. 在这些容器,双分子之间的反应,特别挑选客人进行高区选和立体选择性。
- Authors carried out an experiment to investigate effects of the mixed rosin on disproportionation. 针对"混合松香"对歧化反应的影响,作者进行了实验研究。
- Single bimolecular detection and imaging represent the natural tendency of the molecular biology toward deep insight of the life. 生物单分子研究是分子生物学向更深层次发展的自然趋势。
- First Senator. Indeed, they are disproportion'd; My letters say a hundred and seven galleys. 元老甲它们真是参差不一;我的信上说是共有船只一百零七艘。
- In toluene disproportionation,the catalytic activity is effected by the acidity and crystal size of catalyst. 对于甲苯歧化反应,其受催化剂的酸性质、晶粒大小等因素综合影响。