查询词典 cetyl

Polysialic acid could form complex with cetyl pidinium chloride specifically and was thus used for the separation of PSA from E.

利用氯代十六烷基吡啶对聚唾液酸有特异性的络合效应来进一步分离纯化聚唾液酸。

Bentonite was modified with cetyl pyridine bromide first, and then compounded with Al2(SO4)3 this paper.

用溴代十六烷基吡啶对天然膨润土进行改性，制得CPB-膨润土，然后与Al2(SO4)3复合制得复合CPB-膨润土。

Effect of different surfactants on the UV intensity of Al(superscript 3+)-MXFX have been studied. Is Cetyl Trimethy-lammonium Bromide can increase the UV intensity of Al(superscript 3+)-MXFX is discovered. Based on this reaction, the reaction conditions in detail and proposed a simple, rapid and sensitive new method for the determination of MXFX by UV method is inve stigated. This method has been applied for the determination of MXFX in tablet with satisfactory results.

通过研究不同表面活性剂对Al(上标 3+)-莫西沙星体系紫外特性的影响，发现十六烷基三甲基溴化铵对该体系有显著的增敏作用；系统研究了CTMAB-Al(上标 3+)-MXFX反应体系的紫外特性，利用这一反应体系，建立了简单、快速、灵敏的测定莫西沙星的紫外分光光度法，选择了最佳实验条件，并将此方法用于莫西沙星片剂的测定，结果满意。

The crude product was treated with Cetyl trimethyl ammonium bromide in order to separate the neutral glycoprotein and the acidic glycoprotein .

本文采用季铵盐沉淀法对粗产品进行部分纯化，分离其中的中性糖蛋白和酸性糖蛋白，最佳分离方案为：pH=7.0，样品浓度为1％，CTAB浓度为3％。

The effect of guanidine hydrochloride concentration on the oxidative refolding of denatured-reduced lysozyme of high concentration in the presence of artificial chaperone , that is, cetyl trimethyl ammonium bromide and β-cyclodextrin,was studied.

研究了表面活性剂十六烷基三甲基溴化铵加β-环糊精和盐酸胍对高浓度变性-还原溶菌酶氧化复性的影响，利用基于二态复性模型的表观动力学模型分析了溶菌酶的复性过程。

In Na2CO3-NaHCO3 buffer solution, the apparent activation energy and activation parameters for cetyl trimethylammonium bromide micelle-catalytic hydrolysis of p-nitrophenyl propionate have been measured, and the effects of inorganic salts (such as NaCl, NaBr and Na2SO4) on them have also been investigated.

在Na2CO3-NaHCO3缓冲溶液中，测定了对硝基苯酚丙酸酯的十六烷基三甲基溴化铵胶团催化反应的表观活化能和活化参数；考察了无机盐(NaCl， NaBr， Na2SO4)对该催化反应的影响。

Wax ester was synthesized from soybean oil and cetyl alcohol in a packed-bed reactor with petroleum ether as solvent and immobilized lipase Candida sp.99-125 as catalyst.

以大豆油、十六醇为原料，在石油醚体系中，使用实验室自制的固定化Candida sp.99-125为催化剂。

In this article, the preparation of benzyl 4-hydroxybenzoate in water was reported, with 4-hydroxybenzoic acid and benzyl chloride as main raw materials, cetyl trimthylamonium bromide as phrase transfer catalyst.

采用改进工艺，以正十六烷基三甲基溴化铵为相转移催化剂，水为溶剂，对羟基苯甲酸和氯化苄为主要原料，合成对羟基苯甲酸苄酯。

To investigate the effect of surfactant self-assembling properties on the template synthesis of porous inorganic materials, the critical micelle concentration of surfactant cetyl trimethylammonium bromide was measured in both water and aqueous ethanol solvent using steady-state fluorescence techniques.

为了研究乙醇－水混合溶液中表面活性剂的自组装特性对多孔无机材料模板法合成的作用，采用稳态荧光法测定了乙醇－水混合溶剂的组成变化对十六烷基三甲基溴化铵临界胶束浓度的影响。

Mesoporous molecular sieves were synthesized by using natural clay, sodium silicate and aluminum chloride as raw materials and cetyl trimethyl ammonium bromide as template agent at room temperature alkaline condition.

室温条件下以天然黏土、硅酸钠和氯化铝为原料，十六烷基三甲基溴化铵为模板剂合成介孔分子筛。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。