• Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride, butyl alcohol and lauryl alcohol as reactants.

    研究了以聚乙二醇400(PEG-400)为催化剂,以邻苯二甲酸酐、 正丁醇、 月桂醇为原料合成邻苯二甲酸丁基月桂酯(BLP)的试验过程。

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  • This paper studied the synthesis of hexyl acetate with acetic acid and hexyl alcohol as reactants and sodium bisulfate as catalyst.

    以磷钨杂多酸为催化剂,通过乙酸和正己醇的酯化反应合成了乙酸正己酯,并对影响酯化率的因素进行了研究。

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  • All the stoichiometric coefficients equal to one, we've got the same number of molecules as reactants and products, that'll make things a little bit easier.

    化学计量数都是1。,反应物和生成物的分子数都一样,这使问题简单了点。

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  • The process of ethyl chloride by using hydrous ferric chloride and alcohol as reactants as well as the indices of th product has been reported in this paper.

    报导了以水合氯化铁和酒精为原料合成氯乙烷的工艺及产品指标。

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  • ZnO nanorod bundles were synthesized by employing zinc acetate dihydrate and hydrazine hydrate as reactants via a simple mild solution method without using any surfactant.

    以水合醋酸锌和水合肼为反应物,在不使用任何表面活性剂的条件下,采用一种简单温和的液相法制备了氧化锌纳米棒束。

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  • Nano - hydroxyapatite was synthesized by hydrothermal method in the submerged circulating impinging stream reactor, using calcium nitrate and sodium phosphate as reactants and acetamide as dispersant.

    在浸没循环撞击流反应器中,以硝酸钙和磷酸钠为原料、乙酰胺为分散剂,采用水热法合成了纳米羟基磷灰石。

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  • So for instance, if I plot, as function of the reaction, I've got the reactants on that side here.

    比如,如果我作图,作为反应的函数,反应物在这边。

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  • Most of the reactants and products are flammable and have explosive properties over wide ranges when mixed with air, as shown in table 3.

    大多数反应物和产物在跟空气混合的时候是易燃的,并在很大范围上具有容易爆炸的性质(即有大的爆炸极限),如表3所示。

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  • The influence of hydrothermal treatment time, hydrothermal treatment temperature, the molar ratio and concentration of the reactants on the as-prepared samples was investigated via XRD and SEM.

    研究了水热合成温度、时间、反应物配比和浓度等因素对水热过程的影响,并通过XRD、SEM等手段进行表征;

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  • Some factors affection reaction such as temperature, moles ratio of reactants, flow rate and height of resin bed were studied. Under our optimum conditions the total yield was over 80%.

    本文讨论了反应温度、醇酸摩尔比、反应物流速、树脂床高等因素对产率的影响,按选定的最佳条件,总产率可超过80%。

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  • Some effects of several factors on the reaction were investigated such as the type of catalyzer and aldehyde, the ratio of reactants. The yield of 1,2-epoxycyclohexane reached 94%.

    并且通过对影响此反应的催化剂种类、醛的种类以及反应物配比等主要因素的考察, 可使环氧化反应产物1 , 2 - 环氧环己烷的收率最高可达94 % 。

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  • The influence of the factors, such as the molar ratio of acetic acid ton-butanol, the feed rate of the reactants and packing density of the catalyst, was investigated.

    考察了酸醇投料摩尔比、混合液的进料流量、催化剂的填充密度等因素对反应过程的影响。

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  • Nicotinic acid and lithium hydroxide monohydrate were chosen as the reactants, anhydrous lithium nicotinate was synthesized by the method of hydrothermal synthesis.

    选择分析纯烟酸和一水氢氧化锂为反应物,利用水热合成方法合成了无水烟酸锂。

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  • Factors affecting sulfonation reaction such as microwave power, heating time, reactants ratio, swelling agent and the position of reaction container in cavity of microwave oven were investigated.

    研究了微波功率、加热时间、反应物配比、溶胀剂、反应器在微波炉内的位置等因素对磺化反应的影响。

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  • Such influential factors as the ratio of reactants and the type of catalyst, reaction time and temperature are investigated, and the proper technologic processing condition is chosen.

    考察了物料配比、反应时间、反应温度和催化剂等因素对反应过程的影响,选择了适宜的工艺条件。

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  • Some recent progresses in certain classical organic reaction by grinding the reactants are reviewed in this paper. The related mechanism is discussed as well.

    综述了近期固相研磨合成反应方面的一些新进展和典型反应类型,并讨论了固态研磨反应的机理和影响因素。

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  • Conclusion: The new method has several advantages such as cheap reactants, facile reaction condition, convenient operation and high yield.

    结论:新工艺原料价廉易得,反应条件温和,后处理简便,收率高。

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  • Advantages and disadvantages of the SNCR denitrification systems were separately compared by using different reactants, such as aqueous ammonia, anhydrous ammonia and urea etc.

    对分别选用氨水、纯氨及尿素作反应剂的SNCR脱硝系统的优缺点进行了比较。

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  • The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonic acid), temperature and solvent were discussed.

    探讨了硬脂酰氯和单宁酸的量比、催化剂对甲苯磺酸的用量、反应温度和溶剂等对合成的影响。

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  • The hydroxyapatite nanotube can be prepared under low temperature by taking phosphor source which is cheap and easy to obtain, calcium source and surfactant as the reactants.

    本发明利用廉价易得的磷源,钙源和表面活性剂为反应物,在较低温度下就可以制备本发明的羟基磷灰石纳米管。

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  • The hydroxyapatite nanotube can be prepared under low temperature by taking phosphor source which is cheap and easy to obtain, calcium source and surfactant as the reactants.

    本发明利用廉价易得的磷源,钙源和表面活性剂为反应物,在较低温度下就可以制备本发明的羟基磷灰石纳米管。

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