quaternary ammonium

Various iodinated strong base quaternary ammonium anion exchange resins were prepared.

制备了数种不同的强碱型阴离子碘化树脂.

网络文摘精选

Modifying Bentonite and Attapulgite with on short chain quaternary ammonium compound ( QAC) tetramethylammonium ( TMA) has been done. The sorption of benzene homologues in simulated groundwater by TMA modified clays has been studied.

用短链季铵盐阳离子表面活性剂四甲基铵离子（TMA）改性膨润土和凹凸棒土，研究它们对模拟地下水中苯系物的吸附作用。

互联网摘选

Synthesis and properties of quaternary ammonium salt cationic surfactant with different esterification degree

不同酯化度的酯基季铵盐阳离子表面活性剂的制备及性能

互联网摘选

Heteropoly quaternary ammonium was synthesized by P-Mo-V heteropoly acid with tetrabutyl ammonium bromide, and was then characterized by FTIR and XRD. Results showed the Keggin structure of heteropoly anion had not collapsed and had combined with quaternary ammonium.

以自制的P-Mo-V三元杂多酸为反应物，采用复分解反应合成了杂多季铵盐，并用FTIR和XRD对其进行了表征，证明杂多阴离子的Keggin结构没有损坏并与季铵离子成功化合。

互联网摘选

The effects of modifiers on the extraction of Co(ⅱ), Fe(ⅱ) and Mn(ⅱ) with quaternary ammonium chloride ( QAC) were investigated.

研究了改性剂对季铵盐萃取分离钴（Ⅱ）、铁（Ⅱ）、锰（Ⅱ）的影响。

互联网摘选

Flocculation of kaolin suspensions using ternary polymerization flocculant ( CAS) synthesized by chitosan ( CTS), acrylamide and ethyl acrylate quaternary ammonium salt was investigated in lab-scale.

采用烧杯混凝实验研究了壳聚糖（CTS）、CTS与丙烯酰胺和丙烯酸乙酯季铵盐三元接枝共聚阳离子絮凝剂（CAS）对高岭土悬浊液的絮凝特性。

互联网摘选

An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.

设计合成了聚丙烯酰胺季铵盐类的抗静电剂.

互联网摘选

It could be concluded that the reaction current efficiency was related with the surface adsorption of quaternary ammonium salt by measuring the differential capacitance at the solution interface near the electrode.

通过测量电极溶液界面的电容值，发现电流效率和季铵盐在电极表面的吸附相关。

互联网摘选

Study on Oxidation Reaction of Abietic Acid with H_2O_2 Catalyzed by Quaternary Ammonium Phosphotungstate

磷钨酸季铵盐催化H2O2氧化枞酸的研究两缺位硅钨酸正丁基季铵盐催化枞酸甲酯的环氧化反应

互联网摘选

Antibacterial characteristics of quaternary ammonium salts without dependence on cell surface hydrophobicity

非依赖细胞表面疏水性的季铵盐抗菌特性

互联网摘选

Studies on the Characteristics of Three Novel PVC Membrane Quaternary Ammonium Cation Selective Electrodes Based on Calix [ 4] Arene Derivatives

以三种杯[4]芳烃衍生物为载体的PVC膜季铵盐正离子选择电极的研究

互联网摘选

A study of poison in extracting uranium with quaternary ammonium salt by infrared spectroscopy

红外吸收光谱法对季胺萃取铀过程中毒问题的研究

互联网摘选

Synthesis and properties of water soluble photosensitive quaternary ammonium hydroxide groups containing phenolic resin

新型水溶性含季铵碱基感光树脂的合成及性能

互联网摘选

QSAR analysis of benzimidazole ester quaternary ammonium salts and anticholinesterase activity

苯骈咪唑酯季铵盐类的定量构效关系

互联网摘选

In this paper, the new cyclic quaternary ammonium salt DCAS was designed and synthesized.

设计并合成了新的环状季铵盐DCAS。

互联网摘选

Synthesis and Application of Quaternary Ammonium Salt of Chitosan on Cotton Fabrics

壳聚糖季铵盐的合成及其在棉织物上的应用

互联网摘选

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

长碳链季铵化合物的结构对PVC膜BF4~-根离子选择电极性能的影响

互联网摘选

Aggregation of the Quaternary Ammonium Gemini Surfactants in Apolar Solvent Studied by Conductivity and Spectroscopy

电导法和光谱法研究季铵盐Gemini表面活性剂在非极性溶剂中的聚集

互联网摘选

Study on the properties of CYANOGROUP-CONTAINING quaternary ammonium salt dmm_ ( 12) used as bactericidal agent

含氰基季铵盐杀菌剂DMM（12）的性能研究

互联网摘选

A study on potentiometric titration curves of the orange ⅳ-basc dye or quaternary ammonium salt system

橙黄Ⅳ-碱性染料或季铵盐体系电势滴定曲线研究

互联网摘选

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

双苄基异喹啉季铵类化合物的合成及肌肉松弛活性

互联网摘选

The ionic liquids formed from anhydrous AlCl 3 with low-carbon-chain quaternary ammonium salt such as tetrabutylammonium bromide or triethylamine hydrochloride exhibit the advantage of easy separation from reaction mixture. The isolated yield of 1,2-bis ( 3,4-dimethylphenyl) ethane is in the range of 40%~ 60%.

短碳链季铵盐四丁基溴化铵或三乙胺盐酸盐与无水AlCl3形成的离子液体具有与产物易于分离的优点，1,2-双（3,4-二甲基苯基）乙烷的分离产率为40%～60%。

互联网摘选

Studies on synthesis of quaternary ammonium salt derivatives of haloperidol and their vasodilative activities

氟哌啶醇季铵盐衍生物的合成及其扩血管活性

互联网摘选

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.

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。

互联网摘选

Like tertiary ammonium, quaternary ammonium salt has accelerating effect on curing of acid anhydride/ epoxy resin system and has a certain degree of latent tendency.

本文研究了季铵盐对酸酐/环氧树脂体系的促进作用.结果表明，这种季铵盐与叔胺一样可作为酸酐/环氧树脂固化体系的促进剂，且具有一定的潜伏性。

互联网摘选

Objective: To study the effects of quaternary ammonium salt derivative of haloperidol ( F-2) on experimental arrhythmia induced by barium chloride ( BaCl-2).

目的：研究氟哌啶醇季铵盐衍生物（F2）抗实验性大鼠心律失常的作用。

互联网摘选

Ammonium Copper Quaternary ( ACQ) is a novel wood preservative. DDAC, copper sulfate pentahydrate, ammonium hydroxide or ethanolamine were used to synthesize three different kinds of ACQ ( type A, type B, and type D).

利用二甲基二癸基氯化铵（DDAC）、五水合硫酸铜、氨水或乙醇胺合成3种不同的氨溶烷基铜铵（ACQ，包括A型、B型、D型）。

互联网摘选

Quaternary Ammonium Compounds Resistant Gene of Multiple Drug Resistant Acinetobacter baumannii Resistance and cross-resistance of intestinal bacteria to fluoroquinolones

多药耐药鲍氏不动杆菌季胺类化合物耐药基因研究氟喹诺酮类药物对肠道致病菌的体外耐药性及交叉耐药

互联网摘选

Synthesis of Water soluble Quaternary Ammonium Pyridine Porphyrins and Their Metal Complexes

几种氰类、酯类取代基季铵盐吡啶卟啉及其金属配合物的合成

互联网摘选

An improvement of volumetric method for determination of potassium with sodium tetraphenylboron and quaternary ammonium salt

四苯硼酸钠季铵盐容量法测定钾的改进

互联网摘选