quaternary ammonium是什么意思 quaternary ammonium在线中文翻译

quaternary ammonium

quaternary ammonium 双语例句

  1. The product is a concentrated fabric softening liquid based on cationics and quaternary ammonium salts. The product can be manually or auto-dosed.
    本产品是一种浓缩液体织物柔顺剂,含有可生物降解的阳离子和季铵盐,可用于手工分配,也可用于自动分配。
  2. To use β-naphthalene sulfonic acidformaldehyde condensation product sodium salt and quaternary ammonium salt as raw materials, by the method of ion exchange resin, six kinds of naphthalene sulfonic acidformaldehyde condensation products, corresponded to quaternary cationics with same types of difference structures, have been prepared, Their influences on flowing property of net cement mortar and compression strength have been studied.
    萘磺酸甲醛缩合物盐是目前重要的、最常用的水泥混凝土高效减水剂。自 6 0年代初由日本科学家发明以来,国际上对其合成方法和应用性能进行了多方面的研究。然而,到目前为止,对萘磺酸甲醛缩合物高效减水剂的研究仅限于其钠盐、钙盐等金属盐,其季铵盐尚未见文献报道。
  3. In the previous work, a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides.
    本文合成了12种含环戊基或环己基的第四级铵碱,使之发生Hofmann消除反应。
  4. The preparation and application of reactive antibacterial agents, such as silicone quaternary ammonium salt, halogenated hydroxy diphenyl ether, chitosan, halamine and other kinds, etc, were introduced in detail based on the art and development trend both here and abroad.
    文章针对现有反应性抗菌整理剂的国内外发展现状和趋势,详细介绍了有机硅季铵盐、卤代羟基二苯醚、壳聚糖、卤胺及其他类等反应性抗菌整理剂的制备过程和应用情况,并对其应用前景作了展望。
  5. The purpose of this paper is to synthesize some phosphonium salts with PPh3 and some chiral quaternary ammonium salts with L-Valine. And we also use L-Valine and L-Phe-OMe to synthesize a new type catalyst —2, 5-diketopiperazine, the simplest compound of cyclo-peptide.
    本文利用廉价易得的三苯基磷和手性L-缬氨酸作为起始原料,合成了几种普通季鏻盐和手性季铵盐,并且利用L-缬氨酸与L-苯丙氨酸甲酯反应,合成了一种新型的相转移催化剂——2,5-二酮哌嗪环类的化合物。
  6. According to the data from the substitution reaction, the catalytic function of the phosphonium salts and the chiral quaternary ammonium salts has been compared. The followings are the main work of my paper. 1. It summarized the development of asymmetric synthesis and the latest studies of phase transfer catalyst; 2. Use PPh3 as the starting material, by the reaction of quaterization we get four common phosphnium salts as PTC-1、PTC-2、PTC-3、PTC-4; 3. Use L-Valine as the starting material, by the reaction of esterification, neutralization and quaterization, we get three chiral quaternary ammonium salts as PTC-5、PTC-6、PTC-7; ` 4. Use L-Valine as the starting material, through the reaction with Methyl chloroformate in order to protect the –NH2, and then react
    本论文主要工作包括以下几个方面:1、综述了不对称合成的发展历程及相转移催化剂的进展和最新研究成果; 2、以三苯基磷为起始原料,合成了PTC-1、PTC-2、PTC-3、PTC-4 等四种普通的季鏻盐相转移催化剂; 3、以L-缬氨酸为起始原料,经过酯化、中和、季铵化等步骤,合成了PTC-5、PTC-6、PTC-7 等三种手性季铵盐相转移催化剂; 4、以L-缬氨酸为起始原料,用氯甲酸甲酯保护氨基,与L-苯丙氨酸甲酯反应,合成了一个环状二肽——2,5-二酮哌嗪环类化合物,它是一类新型的相转移催化剂; 5、对合成过程中涉及的产物和中间体用1HMNR、IR、EA 进行了系统的表征和分析; 6、将制得的催化剂PTC-1—PTC-7 应用于亲核取代反应,将PTC-8 应用于亲核加成反应,验证了催化效果; 7、根据实验结果及相关原理,探讨了PTC 的诱导机制。
  7. Its main products are: florfenicol, Nicarbazin, camphor sulfonate, acetyl methaqualone, camphor sulfonic acid, choline chloride, formic acid A, ribavirin, double-stranded disinfectants such as quaternary ammonium salt dozens of varieties.
    其主要产品有:氟苯尼考、尼卡巴嗪、樟脑磺酸钠、乙酰甲喹、樟脑磺酸、氯化铵甲酸甲胆碱、利巴韦林、双链季胺盐消毒剂等几十个品种。
  8. Physical properties include BET surface area, BJH pore volume and pore size have been determined by N〓 adsorption-desorption. In addition, different reaction parameters have been further studied on the synthesis of cubic mesoporous silica. In Chaper 4. The template effects of a series of tri-head group quaternary ammonium amphiphiles on the synthesis of the mesoporous silica under different media have been discussed systematically: mesoporous silica with different structure have been obtained using C〓 as structure directing agent under basic (include organic base and inorganic base) and acidic (include HCl, HNO〓, HBr and H〓SO〓) conditions.
    论文的第四章,系统地讨论一系列不同结构的三头季铵盐阳离子表面活性剂在不同介质中合成介孔二氧化硅分子筛时的结构导向作用:用三头季铵盐阳离子表面活性剂C〓作结构导向剂,在碱性(包括有机强碱和无机弱碱)和酸性(包括盐酸、硝酸、氢溴酸和硫酸)条件下合成不同结构的介孔二氧化硅分子筛,并对在TMAOH介质中合成的新型未知结构介孔分子筛的XRD图谱和N〓吸附-脱附性质作了讨论。
  9. The bioassay results showed that the quaternary ammonium salt had a good intihtion against typical microorganisms such as heterotrophic bacteria, ammonifying bacteria, denitrifying bacteria and nitrosation bacteria with its inhibition rate was above 90%. Inhibition of the quaternary ammonium salt to fungi and sulfate reducting bacteria was above 85% after 30 min. Inhibition of the quaternary ammonium salt to black mold was about 84% after 30 min, and the to algae was totally inhibited after 24 h.
    高分子抗菌杀生剂的抗菌灭藻性能的检测结果表明,作用30 min对贵阳市雅河水中的异养菌、氨化细菌、反硝化细菌、亚硝化细菌的杀菌率在90%以上,真菌、硫酸盐还原菌的杀菌率在85%以上;对黑曲霉的杀菌率在84%,其作用24 h可将小球藻基本杀灭。
  10. A quaternary surfactant, N, N-dimethyl-N-dodecylaminopropyltrimethoxy ammonium chloride was synthesized from γ-chloropropyl trimethoxy silane by quaterisation with N, N-dimethyldodecylamine.
    利用γ-氯丙基三甲氧基硅烷与 N ,N-二甲基十二烷基胺反应,合成了 N ,N-二甲基-N-十二烷基氨丙基三甲氧基硅烷氯化铵。
  11. Then VIII reacted with hydrochloric acid and bromoethlane respectively to get tertiary ammonium chloride and quaternary ammonium bromide cationic surfactants, and the properties of cations were detected by the method of bromophenol blue.
    然后再与盐酸和溴乙烷反应,合成铵盐和季铵盐型含氟阳离子表面活性剂,利用酸、碱性溴酚兰实验和铁氰化钾法分别对表面活性剂进行了定性和定量分析。
  12. Tow anionic petroleum sulfonate, nonionic sorbitan monooleate and quaternary ammonium salt gemini surfactant were synthesized.
    合成了两种阴离子型石油磺酸盐、非离子型失水山梨醇单油酸酯和季铵盐型双子表面活性剂,研究了它们对不同采油区块的动态界面张力情况。
  13. In this paper, a quaternary ammonium salt of chitosan was synthesized and the factors affect on the solubility or degree of substitution of product, such as the concentration of alkali, the time of basification, the content of water in system, the time of dispersing and the method of adding epoxyproryltrimethylammonium chloride, were discussed in detail. The product was characterized by IR, DSC, TG and X-RAY diffraction. The effects of time, humidity and temperature on the gases permeability of the quaternary ammonium salt of chitosan film were researched.
    本论文研究了壳聚糖季铵盐的合成反应,对碱化浓度、碱化时间、水的含量、分散时间和醚化剂的加入方式等因素对制备反应的影响进行了考察;应用红外光谱、DSC、TG以及X-射线衍射对产物进行了表征;探讨了时间、湿度和温度对壳聚糖季铵盐膜透气性的影响。
  14. This invention relates to polymer-organoclay composite compositions comprising an thermoplastic organic polymer bearing amine groups, an organoclay containing quaternary ammonium ions incorporating at least two alkyl or cycloalkyl groups; and optionally one or more additional thermoplastic polymers, impact modifying agents and compatibilizing agents.
    本发明涉及聚合物-有机粘土复合材料组合物,其包含带有胺基团的热塑性有机聚合物、包含引入至少两个烷基或者环烷基基团的季铵离子的有机粘土;和任选地一种或多种另外的热塑性聚合物、冲击改性剂和相容剂。
  15. IT OVERCOME SHORTCOMINGS OF BOTH OF QUATERNARY SALT AND IODINE AND IT IS MADE TO KEEP BOTH OF ADVANTAGES WITH IODINE COMPLEXED ON THE SPECIAL DOUBLE-TRAINS QUATERNARY AMMONIUM SALT BY TWO POSITIVE IONICS FROM MOLECULES OF QUATERNARY AMMONIUM SALT. THIS MAKES IT KILLS BACTERIUM AND VIRUS MORE THAN TEN TIMES.
    它即克服了一般双链季铵盐杀灭病毒特别是杀灭非膜病毒效果差的缺点,又克服了碘极易挥发而有效时间短的劣势,同时保留了二者的优点;使用特殊的工艺把碘络合到了特种双链季铵盐上,用特殊的技术使季铵盐分子上带有两个阳离子,使其杀灭细菌、病毒的速度提高了10倍以上,不但游乐长效的特点而且还有速效的功能。
  16. It showed that the capability of flocculation of quaternary ammonium salt of alkali ligninto black acid ATT was good.
    对于麦草碱木质素季胺盐,实验表明:木质素季胺盐对酸性黑ATT染料溶液的絮凝效果较好。
  17. In this paper, we react α-brominated methyl dodecanoate with diphenols as the coupling agent via Williamson synthesis of ether, finally a series of carboxylate Gemini surfactants are obtained by saponification. 1, 3-Dibromo-2-propanol was prepared from Glycerin, and bis-quaternary ammonium salt which has –OH in the connecting group was obtained from 1, 3-Dibromo-2-propanol and dodecyldimethylamine.
    本论文以:1月桂酸为起始原料,通过酰氯化、a-溴代及甲酯化得到a-溴代十二酸甲酯,再与二酚经Williamson 醚化反应得到不同联接基团的二酯,最后通过皂化得到羧酸盐Gemini 表面活性剂;2甘油为原料制备了1,3-二溴-2-丙醇,再与十二烷基二甲基胺反应得到联接链上带有羟基的季铵盐Gemini 表面活性剂。
  18. ACQ-DB is a water-based wood preservative that contains copper and Quaternary Ammonium Salts and boron-containing compounds.
    ACQ-DB 是一种水溶性木材防腐剂,其主要活性成分包含铜、季铵盐、硼化合物。
  19. S the main active ingredients of the ACQ-DB preservative, copper is applied to courtyard or water area as disinfector, Quaternary Ammonium Salts is used in home as disinfect and detergent, and boron is one of the necessary microelement for the growth of the propagation, furthermore, the main active ingredients strongly fixed in the timber has a well resistance leachability, so the use of ACQ-DB treated timber can not cause harm to person, livestock, fishes and plants.
    CQ-DB 的主要活性成分的铜是广泛应用于庭院和水网的消毒剂,而季铵盐则是普通的家用清洁剂和消毒剂,硼化合物提供动植物生长所必需的微量元素。用 ACQ 防护剂处理的木材,其主要成分不易从木材中流脱,所以 ACQ 防护处理之木材在使用环境中不会对人、畜、鱼类及植物造成危害。
  20. These products include sodium percarbonate, percarbamide, 4Na 2SO 4·2H 2O 2·NaCl adduct, tertiary amine oxides, hydrazine hydrate, dihydroxy benzene, quaternary ammonium salt hydrogen peroxide and methylethyl ketone oxime.
    介绍了近期国外过氧化氢在部分化学品合成中应用研究新进展,产品包括过碳酸钠、过碳酰胺、4Na2 SO4·2H2 O2 ·NaCl加合物、叔胺氧化物、水合肼、二羟基苯、季铵盐过氧化氢和甲乙酮肟。

quaternary ammonium

中文翻译
1
un. 季胺;手铵
2
[网络] 季铵;季胺盐;季铵盐
相关单词
quaternary ammonium