The preparation methods of quaternary ammonium salt of chitosan at home and abroad, meanwhile were introduced, and heir advantages and shortcomings were compared.
对目前国内外壳聚糖季铵盐的制备方法加以介绍,并比较了它们的优缺点。
The rate of reaction is first order with icspect to epoxy group, zero order with respect to methylacrylic acid, and 0.71 order with lespect to quaternary ammonium salt catalyst respectively.
实验证明该反应对环氧基为一级反应,对甲基丙烯酸为零级,对季铵盐是0.71级。
The new polymer quaternary ammonium salt was synthesized from epoxy phenolic resin via ring-opening reaction with aqueous solution of triethylamine hydrochloride.
利用三乙胺盐酸盐与酚醛环氧树脂进行开环反应合成了酚醛环氧树脂季铵盐。
The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.
利用季铵盐的固色原理,将二甲基二烯丙基氯化铵与丙烯酰胺的聚合物pda应用于绒面革固色。
The potential versus logarithm concentration curves show a certain linear relationship for more than ten kinds of inorganic and organic quaternary ammonium salt cations.
对十余种无机及有机季铵盐阳离子,其电位—浓度对数值呈一定的线性关系。
This research synthesizes a quarternary ammonium salt of honey, with the purpose that the honey can both retain the hydrophile of the glucide and gain new certain properties of cationic surfactant.
对蜜糖进行了季铵化合成,希望在保留糖类亲水性的同时具备阳离子表面活性剂的某些性质。
Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT.
用长链季铵盐对蒙脱土进行离子交换反应,季铵盐嵌入到蒙脱土的层间。
In this paper the mechanism of uranium extraction by a secondary alcohol-kerosene solution of a quaternary ammonium salt from the nearly neutral ammonium carbonate solution is studied.
本文研究了用手铵盐-仲醇-煤油溶液从弱碱性(或近中性)溶液中萃取铀的机理。
The experiment and theory all indicates that the effect of ammonium salt as the degumming nitrogen additive is better than the effect of nitrate as the degumming nitrogen additive.
试验和理论都表明,以铵盐作为含氮添加剂的脱胶效果要好于以硝酸盐作为含氮添加剂的脱胶效果。
Real silk can increase its dye adsorption in its dyeing with acid dyes in the presence of Bola diquaternary ammonium salt electrolyte.
蚕丝用酸性染料染色时,加入波勒式双季胺盐电解质,可增加蚕丝纤维对染料的吸附量。
A static test was made for the bactericide of biquaternary ammonium salt based on the study of many kinds of bactericide.
本文在多种杀菌剂研究的基础上 ,进行了双季铵盐杀菌剂静态实验研究。
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 in...
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。
The properties of acrylic phenolic resin containing quaternary ammonium salt groups (APRQA), a new type water developable photosensitive resin, were investigated.
研究了一种新型水显影的感光树脂丙烯酸酯酚醛树脂季铵盐的溶解性、光交联性及交联膜的性能。
The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out.
指出了氨、氨基、胺基及季铵盐的区别及其常见错误表述,以及磷的几种含氧酸中磷的价态,并着重指出没有“ 次亚磷酸”的叫法。
There exist the defects of efficiency and residual poison by the application of oxidizing bactericides and the quaternary ammonium salt bactericides that are still widely used at present.
对于现在仍广泛使用的氧化型和季铵盐型杀菌剂,仍存在着使用效率和余毒问题;
The experiment results show that CrO 4h - quaternary ammonium salt resin is an effectively selective oxidant for oxidation of alcohol to aldehyde of ketone.
实验结果表明,铬酸氢根季铵盐树脂是一种氧化醇为醛或酮的有效选择性氧化剂。
Conclusion: The compound disinfectant of quaternary ammonium salt has good germicidal efficacy, good stability and low corrosiveness.
结论,复方季铵盐消毒剂对微生物杀灭效果较好、稳定性较好、腐蚀性低。
Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra, infrared spectra and etc.
用质谱法、核磁共振波谱法、红外光谱法等,确定了未知氮杂环季铵盐型阳离子表面活性剂的结构。
The quaternary ammonium salt and hydroxy ethyl cellulose were contained in a special organic chemical wastewater.
某厂特种有机废水,含季铵盐和羟乙基纤维素。
The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC), quaternary ammonium salt benzyltrimethylammonium chloride is reported.
研究了季铵盐催化下高锰酸钾氧化肉桂酸的反应。
A model for explanation of the antibacterial activity of the insoluble ammonium salt was set up.
我们建立了抗菌模型,对不溶性高分子抗菌剂的抗菌行为做了解释。
The effective factors of dosages of material, neutralize reaction time, polymerizing reaction temperature on the performance of the polyacrylate ammonium salt thickening agent were have been examined.
讨论了氨水用量、中和反应时间、聚合反应温度、煤油用量、交联剂用量、引发剂用量等因素对聚丙烯酸铵增稠剂产品吸水性和增稠性能的影响。
Suspension quantitative germicidal test was used to observe the disinfection property of double-chain quaternary ammonium salt disinfectant.
采用悬液定量杀菌试验对复合季铵盐消毒剂的消毒性能进行了观察。
The synthetic progress of quaternary ammonium salt cation active bactericide is introduced, and the relation between its structure and fungicidal effectiveness is studied.
介绍了季铵盐型阳离子活性杀菌剂的合成进展,研讨了它的结构与杀菌力的关系。
Objective To study efficacy of the mixed disinfectant Glutaraldehyde and Quaternary Ammonium Salt against chicken pathogen microorganism.
目的研究戊二醛和季铵盐复合消毒剂对鸡常见的几种病原微生物杀灭效果。
Objective to study the efficacy of a new quaternary ammonium salt disinfectant in killing fish pathogenic bacteria in aquaculture in order to provide the basis for the aquatic product disinfection.
目的研究一种新型季铵盐消毒剂对水产养殖中的鱼类致病菌的杀灭效果,为水产品消毒提供依据。
Soluble in acid and ammonium salt solution of dilute acid decomposition to emit carbon dioxide.
易溶于酸和铵盐溶液,遇稀酸即分解放出二氧化碳。
It also has evident sterilization effect on oilfield wastewater and is compatible with phosphine scaling inhibitor and quaternary-ammonium-salt biocide.
在油田污水中,还具有一定的杀菌效果,与膦系阻垢剂及季铵盐类杀菌剂相容性好。
A study was made of the properties of NR and the effect that natural rubber latex was conserved with feeble-acid-ammonium salt.
通过对弱酸铵盐性质的分析,探索弱酸铵盐对鲜天然胶乳的保存效果及其性能的影响。
A study was made of the properties of NR and the effect that natural rubber latex was conserved with feeble-acid-ammonium salt.
通过对弱酸铵盐性质的分析,探索弱酸铵盐对鲜天然胶乳的保存效果及其性能的影响。
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