n-butyl

Result: In optimal conditions, the yield of n-butyl gallate was over 93.8 %.

结果: 在最佳实验条件下没食子酸正丁酯收率达93.8%.

The friction of n-butyl stearate initially decreases with increasing temperature.

硬脂酸丁脂的摩擦开始时随温度的上升而下降.

Synthesis of n-Butyl Stearate Catalyzed by Environmentally Friendly Catalyst

环境友好催化剂催化合成硬脂酸正丁酯的一些方法

Synthesis of n-butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.

以磷钨酸和磷钨酸铝为催化剂,用乳酸和正丁酸合成了乳酸正丁酯.

The process of catalytic reactive distillation of n-butyl acetate synthesis with strong acidic cation exchange resin was studied in this thesis. And the process of reaction and separation was finished simultaneously in reaction distillation column.

本论文全面研究了催化反应精馏技术合成乙酸正丁酯的工艺流程，以强酸性阳离子交换树脂作为催化剂代替浓硫酸，在反应精馏柱中一次完成反应和分离。

Low TDI content TDI-TMP crosslinkers are synthesized from metal ion compound/ n-butyl alcohol catalyst systerm.

以金属离子化合物-正丁醇作为催化体系，催化聚合合成了低游离TDI含量的TDI-TMP固化剂。

The n-butyl ethanol extracts of codonopsis pilosula ( CP-ⅲ) and ginseng ( GS-ⅲ) were used for facilitation of memory tested by one trail passive avoidance response ( stepdown test) and electric maze method in mice.

用跳台法和迷宫法比较党参和人参的正丁醇提取物（CP－Ⅲ和GS一Ⅲ）对小鼠记忆障碍的影响。

Tri-n-butyl tin hydride is, a univenal organotin reagent in organic synthesis.

三(正)丁基氢化锡是有机合成中常用的有机锡试剂.

Raw materials are n-butyl aldehyde and formaldehyde.

基本原料都是正丁醛和甲醛.

N-Butyl benzoate was synthesized with sodium benzoate and n-butyl bromide as starting materials through nucleophilic substitution reaction in the presence of catalyst of tetrabutyl ammonium bromide under microwave irradiation.

研究了在四丁基溴化铵催化下，采用微波辐射由苯甲酸钠和溴代正丁烷发生亲核取代反应合成苯甲酸正丁酯。

Objective To study the catalytic activity of gallium sulfate in the synthesis of n-butyl propionate.

目的研究硫酸镓在合成丙酸正丁酯工艺中的催化性能.

The features of isocyanate trimer and physical properties of tri-n-butyl-phosphine for isocyanate trimer catalyzer were introduced.

简要介绍了多异氰酸酯三聚体的特点,以及多异氰酸酯三聚催化剂三正 丁基 膦的物理性质.

By considering the high energy consumption in conventional n-butyl acetate production, a heat pump technique was proposed to be used in n-butyl acetate production, and a new flow sheet for n-butyl acetate production with heat pump distillation was developed.

针对常规醋酸丁酯生产工艺能耗高的特点，提出将热泵精馏应用于醋酸丁酯生产，开发出醋酸丁酯热泵精馏新工艺。

Cardanol-aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n-butyl aldehyde, furfural and iron trichloride.

以溶液缩聚法,由腰果酚分别与甲醛 、 正丁醛 、 糠醛和三氯化铁制备了腰果酚醛铁聚合物.

In the presence of catalyst of rare earth compound, lactic acid reacts with n-butyl alcoholbutyl lactate.

以稀土化合物为催化剂, 实现了乳酸与正丁醇反应合成乳酸正丁酯.

Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and n-butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 乙酸乙酯和正丁醇的混合溶剂.

Under theses conditions, yield of n-butyl benzoate could to reach 87.12%, suggesting that H_7PV_ ( 12) Mo_O_ ( 42) is a good catalyst for the synthesis of n-butyl benzoate.

在最佳实验条件下，酯收率可达87.12%，表明H4PV（12）Mo2O（42）是一种合成苯甲酸正丁酯的优良催化剂。

Anhydrous calcium chloride is used as the catalyst for preparing n-Butyl lactate formnte.

无水氯化钙为催化剂,乳酸、正丁醇直接酯化合成乳酸正丁酯.

A method of synthesis of n-butyl acetate catalyzed by zinc sulfate has been developed.

用硫酸锌催化,乙酸和正丁醇合成乙酸正丁酯.

Conclusion The results suggest that n-butyl alcohol fractions from Panax japonicus C. A. Mey pretreating has significantly protective effects on acute myocardial ischemia injury in rats, ethyl acetate and water fractions have no significant effect.

结论：竹节参正丁醇部位预处理对冠脉结扎诱导大鼠急性心肌缺血损伤具有保护作用，其中乙酸乙酯部位和水提部位作用不明显。

Combined application of silk thread and N-butyl cyanoacrylate in embolizing arteriovenous malformations of the brain

真丝线段和α-氰基丙烯酸正丁酯联合栓塞治疗脑动静脉畸形

The solid base of NaOH adsorbed on MgO or CaO was used as condensation catalyst, and Pd/ C was used as hydrogenation catalyst. 2-Heptanone was synthesized from n-butyl aldehyde and propanone via cross al-dol condensation, dehydration, catalyzed hydrogenation.

用氧化镁或氧化钙负载氢氧化钠（NaOH）固体碱作缩合催化剂，钯/炭（Pd/C）作为加氢催化剂，由丁醛和丙酮经交叉酮醛缩合、脱水、催化加氢制得2-庚酮。

Preparation of Supported Acidic Ionic Liquid by Covalent Bond Grafting and Its Catalysis in Synthesis of n-Butyl Acetate

键合接枝法制备固载酸性离子液体及其催化合成醋酸丁酯

They were good catalyst for synthesis of n-butyl cinnamate.

它们是催化合成肉桂酸正丁酯的良好催化剂.

R The results show that cerous nitrate has better catalytic activity for the esterification reaction of methacrylic acid and n-butyl alcohol.

实验结果表明硝酸亚铈具有良好的催化性能。

Polymer Supported Dibenzo 18 C 6 Catalyzed Synthesis of n Butyl Benzoate

高分子二苯并-18-冠-6催化合成苯甲酸丁酯

It reports that n-butyl ether can be prepared in microscale experiment microscale distillation head.

用微型蒸馏头替代常量分水器来制备正丁醚,既能满足分析要求,又能节省实验经费.

Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

以甲基丙烯酸和正丁醇为原料，硝酸亚铈为催化剂，合成了甲基丙烯酸丁酯。

Synthesis of n-butyl chloro acetateacid and n-butanol in the presence of stannic chloride pentahydrate was studied.

在五水四氯化锡存在下,由氯乙酸和正丁醇合成氯乙酸正丁酯.

Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。