1、

1 ∶ 1 acetone solution was used to extract dry ivy mosses, from which lixivium was extracted by ethyl acetate. They always connected water with their attitude. acetone;

用1∶1的丙酮水对贡菜干品浸提,经减压回收丙酮,以乙酸乙酯萃取,再减压回收乙酸乙酯,得到贡菜提取液。

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Study of CNY 101 type catalyst for dehydrogenation of ethanol to ethyl acetate

CNY-101型乙醇脱氢制取乙酸乙酯催化剂研究

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Direct Synthesis of Ethyl Acetate by Dehydrogenation of Ethanol Over Copper based Catalysts

负载型铜基催化剂上乙醇脱氢直接合成乙酸乙酯

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Ethyl acetate was synthesized in one step by dehydrogenation of methanol and ethanol over Cu/ Zn/ Al/ Zr catalyst.

在Cu/Zn/Al/Zr催化剂上由甲醇、乙醇脱氢一步合成乙酸甲酯。

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Analysis of trace organic components in the tail gas from dehydrogenation of ethanol to ethyl acetate ey GC

乙醇脱氢制乙酸乙酯反应尾气中微量有机组份的气相色谱分析

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Biological activities and synthetic methods of benzamides, N-ethyl-2-amino-methylpyrrolidine ( EAMP) and guanidine are reviewed.

本文首先综述了苯甲酰胺类化合物、N-乙基-2-氨甲基四氢吡咯和胍基化合物的生理活性。

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Compared with FFAP capillary Column, CP-WAX capillary column had better effects in the separation of several groups of substances such as ethyl acetate and acetal, active amyl alcohol and isoamyl alcohol.

与FFAP毛细柱相比,CP-WAX毛细柱能很好分离乙酸乙酯/乙缩醛、活性戊醇/异戊醇等几对难分离的物质。

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A new ultraviolet spectrophotometric method is proposed for the determination of N-benzylglycine ethyl ester.

建立测定苄基甘氨酸乙酯的紫外分光光度法.

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Preparation of L-lysine ethyl ester diisocyanate from L-lysine by esterification and isocyanation with triphosgene was described.

以L - 赖氨酸为原料经乙酯化后与三光气反应合成了L - 赖氨酸乙酯二异氰酸酯.

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Lab Study on Preparation of High Ethoxy Ethyl Cellulose

高乙氧基乙基纤维素合成实验研究

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Synthesis of 3-Methyl amino-1-phenylpropyl Alcohol It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.

3-甲胺基-1-苯基丙醇的合成新工艺众所周知,乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。

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Optimization and retrofit of acrylic acid extracting tower in ethyl acrylate process flow;

脱氢醋酸的工业生产方法有双乙烯酮法和乙酰乙酸乙酯法。

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Sephadex G-200 and ( P. β-Sulphatoethylsulphonyl) anine ( SESA) were first etherified to prepare p-aminobenzene sulphone ethyl ( ABSE)-Sephadex G-200 and then, ficin was fixed on ABSE-Sephadex G-200 by means of diazo-reaction.

将Sephadex G-200与β-硫酸酯乙砜基苯胺(SESA)首先醚化制备对氨基苯砜乙基交联葡聚糖(ABSE-Sephadex G-200),然后经重氮化固定无花果蛋白酶。

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Application of RMV reboiler for ethyl acetate evaporation

RMV再沸器装置用于乙酸乙酯蒸发

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A metal halide, MXn was used as an acidic catalyst to synthesize ethyl lactate-a fragrance intensifier.

本文报道一种金属卤化物酸性催化剂MXn,用于催化合成增香剂乳酸乙酯。

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Different concentration of MJA accelerated synthesis of coffee acid, ethyl caffeate, the higher the concentration, the stronger the accelerating function.

不同浓度的MJA对圆叶牵牛毛状根中咖啡酸、咖啡酸乙酯的合成有显著地促进作用,浓度越高,促进作用越强。

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To introduce the ethyl group into ( a compound ).

使乙基化把乙基引入 ( 一化合物 )

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Ethyl demethylaminothiazolyloximate is one of the important medical intermediates, which forms side chains of semisynthetic cephalosporins.

去甲氨噻肟酸乙酯是合成头孢菌素类抗生素的重要中间体之一.

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