季铵化合物

季铵化合物对环境的影响及微生物降解研究进展

The advancement of environmental influence and biodegradation research of Quaternary Ammonium Compounds

有机硅季铵化合物的应用前景

Application Prospect of Silicone Quaternary Ammonium Compounds

长碳链季铵化合物的结构对PVC膜BF4~-根离子选择电极性能的影响

The Relationship of the BF_4 ~ - Ion-Selective Electrodes Based on PVC Matrix Membran with the Structure of Various Quaternary Ammonium Compounds

长碳链季铵化合物在离子选择电极中的结构效应

Structural effect of long carbon-chain ammonium compounds in ion selective electrodes

东莨菪碱酯季铵化合物的制备及其抗胆碱能作用

Preparation and anticholinergic effects of the quaternary salts derived from scopolamine esters

以一氯均三嗪和环氧丙基为反应性基团的多活性季铵化合物，用于棉纤维的改性；

Multi-reactive quaternary agent containing epoxy group and chorotriazine was used to modify the cotton fabrics .

通过二氯卡宾对己烯加成反应中的应用，证明该催化剂的性能优于普通季铵化合物催化剂。

Sequentially , it was demonstrated that the catalytic activity was superior to common quaternary ammonium salts .

产品中残留副产物双季铵化合物采用液相色谱法进行测定。

The vice - product bis-quaternary ammonium compound remained in the product was measured by high performance liquid chromatography .

利用4种具有不同结构的季铵化合物作为相转移催化剂，以正辛醇和环氧氯丙烷为原料一步合成了辛基缩水甘油醚，并对其反应机理作了初步研究。

By taking four kinds of quaternary ammonium salts as the phase transfer catalysts , octyl glycidyl ether have been prepared directly form 1-octanol and epichloro-hydrin , and the reaction mechanism is studied primitively .

研究了季铵化合物改性粘土的制备条件对其去除赤潮藻效果的影响，探讨了该粘土体系高效除藻的机制。

We tested the influence of the preparation conditions of the quaternary ammonium compounds ( QACs ) modified clays on their capacities to remove red tide organisms , then discussed the mechanisms of the organo-clays removing red tide organisms .

分析结果表明，海藻中季铵化合物的含量很丰富；绿藻特别是浒苔中的季铵化合物含量最高可达到1.31%。

The result shows that 1.31 % , the content of quaternary ammonium compounds in Enteromorpha prolifera is the highest in all Analyzed seaweeds . The results also show that this is suitable method to collect quaternary ammonium compounds from seaweeds .

原小檗碱季铵类化合物的合成及抗心律失常活性研究

Synthesis and Antiarrhythmic Activity of Protoberberine Quaternary Ammonium Compounds

季铵盐类化合物在赤潮治理中的应用

The application of QACs to HAB management and control

双苄基异喹啉季铵类化合物的合成及肌肉松弛活性

Synthesis and Neuromuscular Blocking Activity of Bis - [ ( 1-benzyl ) tetrahydroisoquinoline ] Quaternary Ammonium Compounds

本文介绍三种季铵化芳香醛化合物的合成途径，并应用它们为无氰碱性镀锌的添加剂。

This paper presents the syntheses of three quaternized aromatic aldehyde compounds which can be used as new additives to cyanide-free alkaline zinc electroplating baths .