quaternary ammonium中文,quaternary ammonium的意思,quaternary ammonium翻译及用法

2025-11-01 11:54 浏览次数 11

quaternary ammonium

英[kwəˈtə:nəri əˈməunjəm]美[ˈkwɑtɚˌnɛri əˈmoniəm]

季铵;四级铵

quaternary ammonium 英语释义

英语释义

    1. any of numerous strong bases and their salts derived from ammonium by replacement of the hydrogen atoms with organic radicals and important especially as surface-active agents, disinfectants, and drugs

quaternary ammonium 例句

英汉例句

  • 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。

  • cationic starch of quaternary ammonium type with high ds, polyamines and polyamines grafted with uv-absorber bp-4 were applied as cationic agents of cotton in salt-free dyeing of reactive dyes.

    本文采用高取代度季铵型阳离子淀粉、氨基烯烃聚合物以及紫外线吸收剂bp-4接枝氨基烯烃聚合物作为阳离子化试剂对棉纤维进行物理改性,用于活性染料无盐竭染。

  • four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.

    通过多步骤合成了四种含有季铵基的有机硅表面活性剂。

  • the results showed that as the mass ratio of polyether and polysiloxane grew higher in polyether polysiloxane quaternary ammonium block copolymer, the viscosity and foam height decreased.

    结果表明,随着聚醚聚硅氧烷季铵盐嵌段共聚物中聚醚与聚硅氧烷的质量比的加大,香波的粘度和泡沫高度下降;

  • the flocculating agent a is a quaternary ammonium type cationic polymer and the flocculating agent b is a cationic polymer with aminomethyl polyacrylamide as the basis.

    絮凝剂a是一种季铵型的阳离子聚合物,絮凝剂b是一种以胺甲基聚丙烯酰胺为主要成分的阳离子聚合物。

  • the reaction kinetics ofm-phendiol diglycidyl ether with methylacrylic acid in the presence of quaternary ammonium salt catalyst has been studied.

    讨论了用季铵盐催化剂合成甲基丙烯酸间苯二酚二缩甘油酯的合成反应动力学及催化反应动力学。

  • 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。

  • adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometallurgy, was studied by chemical equivalent method.

    本文采用化学当量法研究了季铵树脂在组成接近铀水冶条件的硫酸铀酰-硫酸钠溶液中的吸附平衡。

  • this method does not produce or require the handling of corrosive quaternary ammonium hydroxides.

    这一方法不产生或不要求处理腐蚀性的季铵氢氧化物。

  • this paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst.

    本文首次报道一种新的高分子固载季铵树脂的合成及其在水解、成醚反应中的应用,此树脂是一种有效的三相催化剂。

  • objective to study general toxicity, hereditary toxicity and mutagenicity of quaternary ammonium compound detergent.

    目的研究季氨化合物洗消剂的毒性、遗传毒性及致突变性。

  • the thermal stability and lifetime of three new tailed porphyrin triethylamine and pyridine quaternary ammonium salts were studied by isothermal thermogravimetric method.

    用等温热重技术研究了三种新型尾式卟啉三已胺和吡啶季铵盐的热稳定性及寿命。

  • using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained. it's yield reached 80%.

    以脂肪醇为原料,合成了双辛基季铵溴盐,其产率达80%。

  • the results show that the quaternary ammonium cpam can remarkably improve the wheat straw pulp drainability and filler retention, and that when cpam is used together with pac, pdadmac orb.

    研究发现,季铵型cpam可显着提高麦草浆的滤水性和填料留着率,cpam与pac、pdadmac和膨润土配合使用可进一步改善麦草浆的滤水和留着。

  • on the other hand, only the quaternary ammonium cations with suitable number of carbon atoms could form a reaction controlled phase transfer catalyst.

    当催化剂中季铵盐阳离子的碳数合适时,才能形成反应控制相转移催化过程。

  • 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。

  • 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。

  • in their study, the scientists looked at quaternary ammonium compounds (qacs) that are used in many household cleaning goods.

    在他们的研究中,科学家验证了在许多家居清洁产品中使用的季铵盐化合物。

  • quaternary ammonium type cationic starch was synthesized with solvent circulation method, as well as its property was studied .

    使用溶剂循环方法,研究了季铵型阳离子淀粉的干法合成及性能。

  • x-ray powder diffraction(xrd) has been used to study the orientation of alkyl quaternary ammonium ion in the interlayer of products.

    研究结果表明:柱化剂的浓度和烷基季铵离子的性质能影响烷基季铵离子在蒙脱石层间的排布模式。

  • 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 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。

  • praseodymium and neodymium could be deposited at lithium or quaternary ammonium amalgam electrode, but not at sodium amalgam electrode.

    鐠、钕在季铵汞齐电极和在锂汞齐电极上都能形成汞齐,而在钠汞齐电极上则不能。

  • studied the intramolecular synergistic inhibitive effect by dynamic weight-loss experiment between quaternary ammonium bis-imidazoline and thiourea.

    动态失重法研究了双咪唑啉季铵盐和硫脲的缓蚀协同作用。

  • results indicated that organic bentonite could be prepared firstly by na-modification and then by quaternary ammonium treatment.

    研究表明,采用天然钙基膨润土通过钠化提纯、季铵盐有机改性的方法,可以制备出性能优良的有机膨润土。

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