英语释义

1. a colorless nontoxic aromatic liquid C6H5CHO found in essential oils (as in peach kernels) and used in flavoring and perfumery, in pharmaceuticals, and in synthesis of dyes

片语

Benzaldehyde Dimethylace苯甲醛缩二甲醇

benzaldehyde hydrazone亚芐肼

Natural benzaldehyde天然苯甲醛

Methylsulphonyl benzaldehyde甲基磺酰苯甲醛

Benzaldehyde Dimethylacetal苯甲醛缩二甲醇

benzaldehyde spirit苯甲醛醑

Benzaldehyde FFC苯甲醛

benzaldehyde azine苯甲醛嗪

英汉例句

• an improved synthetic method of 3,5-dimethoxy benzaldehyde which is the key intermediate for synthesizing resveratrol were studied.

  报道了白藜芦醇关键中间体3，5二甲氧基苯甲醛的合成方法。

• the title compound has been prepared by three continuous reaction steps of condensation, reduction, rearrangement from benzaldehyde and pyruvic acid.

  由苯甲醛和丙酮酸为原料经缩合，还原，重排三步反应制得产品。

• as the synthesized ts 1 exhibits lower styrene conversion rate but higher benzaldehyde selectivity in the styrene oxidation, it is different from ts 1 synthesized by the classical method.

  与采用经典法合成的ts-1相比，采用廉价原料合成的ts-1在苯乙烯氧化反应中活性较低，但苯甲醛选择性高。

• the production technology, production capability, consumption, imports and exports of benzaldehyde are reviewed in this paper.

  本文对苯甲醛的生产技术、产能、消费、进出口情况进行概述。

• indirect electrooxidation of toluene to benzaldehyde simultaneously in the cathodic and anodic compartment of a cell has been studied.

  本文研究了以甲苯为原料，采用成对电解合成方法，进行阴极和阳极同时间接电氧化制取苯甲醛。

• guangxi province is rich in cinnamon resource, so studies on biodegradation of cinnamon oil into natural benzaldehyde have important significance.

  依靠广西丰富的肉桂资源，进行桂油生物降解为天然苯甲醛的研究具有重要意义。

• a asymmetrically substituted hexane (1) was synthesized via a one-pot reaction of benzaldehyde and acetylbenzene.

  从苯甲醛和苯乙酮出发，通过一步反应得到了不对称取代环己烷1 。

• so to prepare natural benzaldehyde under the conditions is available and the recovery is steady.

  故该条件下制备天然苯甲醛可行，收率稳定。

• methods chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.

  方法以苯甲醛衍生物和苯乙酮为原料，弱堿碳酸钾为催化剂，水为溶剂，用相转移催化法合成查耳酮衍生物。

• the yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.

  当以甲基磺酸锌为催化剂时，苯甲醛缩乙二醇的收率可达87.7%。

• natural benzaldehyde is prepared by hydrolysis of cassia leaf oil.

  从桂叶油出发，通过堿性水解制备天然苯甲醛。

• natural benzaldehyde is prepared by hydrolysis cassia leaf oil.

  从桂叶油出发，通过堿性水解制备天然苯甲醛。

• in the presence of ultrasonic wave, using the oxidative liquid derived from last step to oxidize toluene, therefore benzaldehyde is achieved.

  用上步反应所得的氧化液在超声波作用下氧化甲苯来制备苯甲醛。

• amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.

  以苯甲醛和正庚醛为原料，乙二醇为溶剂，在氢氧化钾催化作用下羟醛缩合合成甲位戊基桂醛。

• screening the microorganism that can convert cinnamon oil to benzaldehyde by enzyme was the prerequisite of enzymatic synthesis.

  筛选能将肉桂醛转化成苯甲醛的酶源菌株，是微生物转化法生产天然苯甲醛的前提条件。

• cinnamic acid was synthesized from benzaldehyde and acetic anhydride using solid base k2co3 /ch3cook as catalyst. synthesis conditions were discussed in orthogonal experiment method.

  用k2co3/ch3cook混合固体堿催化苯甲醛-醋酐合成肉桂酸，用正交实验探讨了最佳合成条件。