ethyl ester的例句大全

Objective: Screening test of a series of amino acid methyl ester and ethyl ester compounds in order to offer material for synthesis of Schiff s base.

前言：目的：设计合成一系列氨基酸酯为合成席夫碱提供原料。

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Tetrabromophenolphthalein ethyl ester potassium salt;

四溴酚酞乙酯钾盐；

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Solanic acid(ⅰ) and its ethyl ester(ⅱ) are important tobacco constituents, which have good effects to the cigarette flavorings.

茄酸（Ⅰ）及其乙酯（Ⅱ）是烟草中重要的香味成分，对烟草加香有重要作用。

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HPLC Analysis of Naproxen and Its Ethyl Ester on β CD Chiral Column

萘普生和萘普生乙酯在环糊精手性柱上的HPLC分析

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Preparation of Arachidonic Acid Ethyl Ester by Supercritical Fluid Chromatography

超临界流体色谱制备花生四烯酸乙酯

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Conclusions: One compound is identified as the title compound 2-benzyloxy-5-fluoro-4-oxo-pyrimidine-3-butyric acid ethyl ester, and the other one is its formula isomer.

结论：通过IR谱确证一个化合物是目标物2-苄氧基-5-氟-4-嘧啶酮-3-丁酸乙酯，另一化合物是它的同分异构体。

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the major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸乙酯、苯乙醇、辛酸和辛酸乙酯。

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Potassium dihydrogen phosphate was used as catalyst in the synthesis of hexanoic acid 2-( diethylamino) ethyl ester.

用磷酸二氢钾作催化剂，己酸与二乙氨基乙醇为原料，合成DA-6（己酸二乙氨基乙醇酯）。

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Ingredients: water, purple clover extract, HA, acrylic polymer, hydrolyzed silk ethyl ester, feverwort extract, euphrasy etc.

成份: 水, 紫苜蓿提取物 、 透明质酸, 丙烯酸共聚物, 水解蚕丝乙酯 、 紫苞泽兰提取物 、 小米草等.

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A series terpolymer of DMV were synthesized from methyl ester 18, methyl ethyl acrylate and acetate.

以甲基丙烯酸十八酯 、 甲基丙烯酸乙酯、醋酸乙烯酯为原料合成了一系列三元聚合物的柴油流动性改进剂(DMV).

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The synthesis of fatty acid ethyl ester in THF catalyzed by lipase was studied.

用脂肪酶在四氢呋喃中催化合成硬脂酸酯.

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The synthesis and antibacterial effect determination of Acetylsalicylic acid ethyl ester

乙酰水杨酸乙酯的合成及其体外抗菌效果的测定

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And some characteristics of aroma components of kiwifruit were detected such as ethyl acetate; butanoic acid, ethyl ester and hexanoic acid, ethyl ester etc.

此外，还检测出乙酸乙酯、丁酸乙酯、己酸乙酯等猕猴桃特征香气成分。

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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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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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The precipitate in liquor is a common problem in distilleries which have to tackle with and the frequent causations are as follows: floccule induced by three kinds of higher fatty acid ethyl ester and microthermal storage and filtration could prevent it;

白酒产生混浊沉淀是一普遍问题，常见的有絮状沉淀，主要由3种高级脂肪酸乙酯引起，可于低温贮存过滤；

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Synthesis of ( 4R, 5R)-2-Ethyl-2-( 6-methoxy-2-naphthyl)-1,3-dioxolane-4,5-Dicarboxy Acid Dimethyl Ester

（4R，5R）-2-乙基-2-（6-甲氧基-2-萘基）-1,3-二氧戊环-4,5-二羧酸二甲酯的合成

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Any of several esters, other than the ethyl ester, of carbamic acid.

'聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯.

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quaternarysalt of chitosan was synthesized starting from chitosan , triethylamine and ethyl chloroacetate by ester exchange reaction.

以三乙胺 、 氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐.

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Study on synthesis of maleic ( 2-2 ethyl hexyl) ester by HWP

杂多酸催化合成马来酸（2-2乙基己基）酯的研究

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