• Phosphorous acid triethyl ester;

    亚磷酸三乙酯;

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  • Stable self emulsified system was obtained after neutralization by triethyl amine.

    经三乙胺中和后得到稳定的自乳化体系。

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  • A stable self emulsified system was obtained after neutralization of triethyl amine.

    经三乙胺中和后可以得到稳定的自乳化体系。

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  • The Triethyl Amine Cold Core Process is one of the fruitful technique means among them.

    三乙胺法冷芯工艺是其中富有成效的工艺方法之一。

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  • Aim \ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.

    目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。

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  • The triethyl citrate was prepared from citric acid and ethanol with activated carbon supported ferric chloride as catalyst.

    以活性炭固载氯化铁为催化剂,用柠檬酸和乙醇合成了柠檬酸三乙酯。

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  • To remedy this limitation, a number of low molecular weight plasticisers such as glycerol, sorbitol and triethyl citrate are used.

    为了解决这个限制,一个低分子量增塑剂如甘油数量,山梨醇,柠檬酸三乙酯使用。

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  • A technique for continuous recovery and recycling of triethyl amine catalyst during production of glyphosate from dimethyl phosphite is discussed.

    介绍了烷基酯法草甘膦生产中催化剂三乙胺回收的连续化工艺。

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  • Triethyl orthoacetate in reaction mixtures was separated from other components and determined by gas chromatography with external standard method.

    应用气相色谱法测定制备原乙酸三乙酯反应产物中产品质量。

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  • Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.

    其制备方法是以氯化铵为催化剂,原甲酸三乙酯为解水剂,由无水乙醇和环己酮缩合合成。

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  • Methods: Using eudragitrs 100, triethyl citrate, hydrated magnesium silicate, magnesium stearate, silicic acid anhydride, povidone K30 and etc as capsules preparation materials.

    方法:以空白丸芯、柠檬酸三乙酯、滑石粉、硬脂酸镁、胶体二氧化硅、聚维酮K30等为骨架材料制备吲达帕胺缓释胶囊;

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  • This article studies benzyl - triethyl ammonium chloride as catalyst of phase - transfer to prepare for phenyl acetate. Get the best operating condition and get the yield of 86%.

    研究了以苄基三乙基氯化铵为相转移催化剂制备乙酸苄酯,得出了最佳操作条件,使反应收率达86%。

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  • 6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.

    前言:以2′,5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮,再经催化氢化得到标题化合物。

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  • Based the principle of rust-removal with acid as well as the quantity of acid and temperature effects on rust -removal, triethyl phosphate, a new -type rust inhibitor, is prepared.

    根据酸除锈的原理,酸量和温度对除锈的质量影响,试制出磷酸三乙酯化学除锈剂。

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  • Orthoformic triethyl ester is of too much amount The unreacted orthoformic triethyl ester is recovered without appreciable impurities by distillation and can be used in the next batch.

    原甲酸三乙酯的投料量是过量的,没反应的原甲酸三乙酯回收后套用在下一釜反应中。

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  • METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.

    方法原甲酸三乙酯与氰乙酸乙酯缩合,然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。

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  • METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.

    方法原甲酸三乙酯与氰乙酸乙酯缩合,然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。

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