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anionic cycloaddition 负离子环加成
The cycloaddition itself is the slow step. 环化作用本身是慢的一步。
Multifunctiona synergist MAT is a king of anionic surfactant. 多功能增效剂MAT属阴离子表面活性剂。
Anionic gelatin dosage has an optimal range when it is used ... 此外,碱性条件抄纸其成纸物理性能优于酸性条件。
These polyelectrolytes can be anionic, cationic or nonionic. 聚合电解质有阳离子型、阴离子型或非离子型。
How is the function of the anion of air conditioning used? 空调的负离子的功能如何使用?
Investigations on [2+1] cycloaddition to [60] fullerene are reviewed. 对[60]富勒烯的[2+1]环加成反应、主要试剂及反应机理进行了综述。
The metal ion and the anion of the mineral acid form an insoluble salt. 金属离子和无机酸的阴离子生成一种难溶的盐。
Of or designating an ion, the anion, that is attracted to a positive electrode. 阴离子的属于或表明离子，阴离子的；对阳电极有吸引力的
Anionic surfactants can be self-aggregation lonizing, surfactivity baseband. 阴离子暗地活性剂可在火洋电离，暗地活性基带负电。
Of or designating an ion,the anion,that is attracted to a positive electrode. 阴离子的属于或表明离子，阴离子的；对阳电极有吸引力的
The cytotoxicity of NO is mainly mediated by peroxynitrite anion (ONOO-). NO的细胞毒效应主要由过氧亚硝基阴离子(ONOO-)介导。
Quantum Chemistry Study on Cycloaddition Reaction of Germylene X_2Ge(X=H,CH_3,F,Cl,Br ) and Ethylene? 锗烯X_2Ge(X=H、CH_3、F、Cl、Br)与乙烯环加成反应的量子化学研究
When Mg2Al-CO3-LDHs was used the anion exchange reaction did not accur. 以Mg2Al-CO3-LDHs为前体，用离子交换的方法不能制备丙烯酸插层水滑石AA-LDHs。
On the basis of this, 1,3-dipolar cycloaddition reactions were studied using imine esters as the starting marerials. 在此基础上以氨基酸酯亚胺类化合物为原料主要研究了1,3-偶极子环加成反应。
In this article, ion chromatography was used to analyze anion in latex. 采用离子色谱法对乳胶制品中阴离子进行分析。
Recently, the modification of porphyrin by 1,3-dipolar cycloaddition is studied intensively. 摘要利用1,3-偶极环加成反应对卟啉大环进行修饰是近年来卟啉研究的一个新热点。
Endo and exo cycloaddition products (15)( 16) were obtained when (14) was cyclized by the catalysis of BF_3.Et_2Oat room temperature. Lewis acid(BF3.;Et2O)催化化合物(14)进行IMDA反应，分离得到endo和exo两种环合产物，(15)和(16)；
Investigations on [2+3] cycloaddition to [60]fullerene are reviewed. The main reagents used in cycloaddition and the reaction mechanisms are surveyed. 对[60]富勒烯[2+3]环加成反应的研究进展进行了综述;并介绍了在环加成反应中使用的主要试剂及反应机理.
Alkylbenzene sulfonates( ABS) is widely used in many fields as anionic surfactants. 作为一种常见的表面活性剂，烷基苯磺酸盐(BS)广泛用于许多领域。