• 主体风味成分乙醇辛酸辛酸乙酯。

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

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  • 用于乙醇甙类化合物标准制备药理活性进一步研究

    The method is used for the preparation of phenethyl alcohol glycoside compound standards and the further research of pharmacological activity.

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  • 研究循环超声提取肉苁蓉苯乙醇糖甙类化合物工艺条件

    The optimal conditions for circulated extraction of phenylethanoid glycosides from Cistanche deserticola enhanced with ultrasonic wave were investigated.

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  • 受试者每周接受次10分钟治疗乙醇溶液安慰剂,共周。

    The subjects received two, 10-minute treatments of either Benzyl Alcohol Lotion or a topical placebo, one week apart.

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  • 乙醇一种白色淡黄色晶体化合物c14h12o2甲醛衍生而来。

    A white or yellowish crystalline compound, C14H12O2, derived from benzaldehyde.

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  • 甲氧基甲醛、三氯甲烷为原料,转移催化羰基加成法合成了对甲氧基苯乙醇

    Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

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  • 两种生物诱导子茉莉甲酯水杨酸能诱导肉苁蓉悬浮培养细胞苯乙醇生物合成

    The PeG biosynthesis in cell suspension cultures of C. deserticols were stimulated by treating with two abiotic elicitors, which were methyl jasmonate and salicylic acid.

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  • 研制了一种氧化剂染发剂,该染发剂中加入苯乙醇酮,从而缺乏氧化剂时能给出好的色泽

    A hairdye agent which has no oxidants was prepared by the addition of benzoin, it give good coloration in the absence of oxidants.

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  • 葡萄酒主要香气成分琥珀二乙酯、苯乙醇辛酸酸,污染样中比例显著减低,甚至检出

    The main flavoring compositions including diethyl succinate, phenylethanol, octanoic acid and decanoic acid in contaminated grape wine decreased evidently and even not detected.

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  • 方法采用高效液相色谱法对苯乙醇MA)、乙醛酸(PGA)、乙烯巯基尿酸MUA)进行监测。

    Methods Urinary mandalic acid(MA), phenylglyoxalic acid(PGA) and mercapturic acid(MUA) of styrene were examined by high performance liquid chromatography(HPLC).

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  • 我们合成方法中,-乙醇开始合成了-乙基用丙二酸二的烯醇盐离子进行亲核取代

    First we synthesized the -phenylethyl chloride from -phenylethyl alcohol. Then it was substituted by enolate anion of diethyl malonate and converted to ester.

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  • 本文氨哮素母体化合物,运用生物电子等排理论设计合成七个3,4,5-三卤代苯乙醇衍生物

    The clenbuterol(NAB365)is regarded as parent compound. We designed and synthesized 7 derivatives of 3,4,5-trihalophenylethanolamines according to the biosostere theory.

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  • 乙酸乙烯酯作为酰基供体兼溶剂,有机相中1 -乙醇乙酸乙烯在脂肪酶催化下发生不可逆转酯化反应。

    To determine the effection of immobilization, the selectively transesterification of 1-phenyl ethanol, with vinyl acetate as both the acyl donor and the solvent, was taken as the model reaction.

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  • 约有30种化合物绿茶香气鉴别出来,其中主要甲醇、乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯

    Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

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  • 取物主要包括羟基乙醇3、4-二羟基苯乙醇红景天以及 其为母糖苷类化合物其它衍生物

    The total phenol extract mainly contains hydroxyl mandelic, 3, 4-dihydroxy phenylethyl alcohol, salidroside and indicant compound and other derivatives with salidroside as the mother nucleus.

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  • 研究结果表明:经一定条件高压脉冲电场处理,葡萄酒中的杂醇油含量有所下降,总总酯乙醇的含量有所上升

    The results showed that the relative contents of fusel oil were decreased; the relative contents of total ester, total acid and phenylethyl alcohol increased after PEF treatment.

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  • 本文对对甲基-a -乙醇合成反应条件优化产品收率提高进行了较为系统的研究,寻找快速行之有效的合成途径

    This article has studied the optimization of the right synthetic, reaction terms to methyl - a - benzene ethanol and improvement of products yield, have looked for a fast but effectual synthetic way.

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  • 方法取ab- 8树脂分别经乙醇丙酮处理前后出液经树脂吸附后栀子洗脱液,以气相色谱法检测其中二甲乙烯残留物含量

    METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.

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  • 研究了稀碱催化下邻羟基乙酮甲醛在乙醇溶液中的羟醛缩合反应,溶剂可以循环使用,适合工业化生产

    During the condensation reaction, the feedstock remaining after reaction can be recycled, and this synthesis route was suitable for the commercial production.

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  • 研究了稀碱催化下邻羟基乙酮甲醛在乙醇溶液中的羟醛缩合反应,溶剂可以循环使用,适合工业化生产

    During the condensation reaction, the feedstock remaining after reaction can be recycled, and this synthesis route was suitable for the commercial production.

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