英语释义

• the monovalent organic group C3H7- obtained from propane

片语

propyl butyrate丁酸丙酯

propyl cellulose丙基纤维素

propyl aldehyde丙醛

propyl mercaptan丙硫醇

propyl valerate戊酸丙酯

propyl isocyanate丙基异氰酸酯

propyl ether丙醚

propyl gallate没食子酸丙酯；酸丙酯；五倍子酸丙酯

propyl sulfide二丙硫

propyl propionate丙酸丙酯

propyl alcohol[有化] 丙醇

英汉例句

• a new cyclopentadiene derivative 1,2 diphenyl 4 propyl 1,3 cyclopentadiene(1) was synthesized by reaction of 3,4 diphenyl 2 cyclopentenone with n propyl lithium.

  二苯基环戊-2 -烯-1 -酮与丙基锂反应，经酸化脱水得新环戊二烯衍生物1 ，2 -二苯基-4-丙基-1 ，3-环戊二烯（1 ） 。

• in the onion, methyl propyl disulfide(mpd) produced by the reaction of alliinase with precursor substances have many biological activity.

  在洋葱中，蒜氨酸酶水解风味前体物质生成的甲基丙基二硫化物（mpd）具有多种生物活性。

• under this conditions, the yield of ethyl ester, propyl ester and butyl ester respectively is 87.5%, 89.2% and 91.1%.

  上述条件下，尼泊金乙酯的产率为87.5% ，尼泊金丙酯的产率为89.2 % ，尼泊金丁酯的产率为91.1 %。

• under this conditions, the yield of ethyl esters was 85%, propyl ester 94% and butyl ester 92%.

  上述条件下，尼泊金乙酯的产率为85% ，尼泊金丙酯的产率为94 % ，尼泊金丁酯的产率为92 %。

• these peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.

  这些峰分别相当于乙基和丙基的侧链开裂。

• from the electrolysis efficiency of alcohol, propyl alcohol and butyl alcohol can be said that (1) voltage grads and original concentration have strong bigger influence on the removal rate.

  通过考察乙醇、丙醇和正丁醇的微电解效率可以得出：（1）电压梯度和初始浓度对电解结果都有较大的影响。

• in this paper a new synthesis of trimethylol propyl triacrylate was introduced.

  本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。

• methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.

  采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。

• paint compounded with the silicon propyl resin forms film at nomal and low temperature, has excellent contamination, ageing and uv ray radiation resistance, high hardness and high adhesion.

  用该硅丙树脂配制的涂料可在常温或低温条件下成膜，具有优异的抗沾污性，耐老化性及抗紫外线照射性，涂膜坚硬，附着力好。

• product description: diene propyl phthalate monomer with the development of petrochemical industry and produce new varieties, it has many excellent performance.

  产品简介：邻苯二甲酸二烯丙酯单体是随着石油化学工业的发展而产生的新品种，它具有许多优良的性能。

• the disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.

  葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。

• silicone modified polyacrylate pressure-sensitive adhesive was prepared by emulsion polymerization using 3-methyl propyl trimethoxy silane(mpts) and acrylic ester monomer as raw materials.

  以3-甲基丙烯酰氧丙基三甲氧基硅烷（mpts）、丙烯酸酯类单体为原料，通过乳液聚合制备了有机硅改性聚丙烯酸酯压敏胶。

• under optimum synthetic condition, the yield of propyl ester was 93.5%.

  在最佳反应条件下，尼泊金丙酯的产率为93.5%。

• a new processing method of propyl gallate was advanced in order to decrease the cost of production.

  对常见的没食子酸丙酯提出一种尚未见报道的制备方法，可以大幅度地降低生产成本。

• through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.

  通过铬酸氧化丙醇制酯法，研究在硫酸-乙酸体系中，乙酸丙酯及丙酸丙酯的形成机理，及相关影响因素。

• normal propyl alcohol content is regarded as a quality index in the new edible alcohol quality standard.

  新的食用酒精质量标準将正丙醇作为一项质量指标来考查。

• the invention relates to a preparation method for propyl acetate emulsion modified by oxidized starch.

  本发明涉及一种采用氧化淀粉改性醋丙乳液的制备方法。

• the results indicated that the residues of ethanol, isopropanol, butanol, ethyl acetate, propyl acetate, butyl acetate, cyclohexanone, 1-methoxy-2-propanol, and 2-ethoxy-1-ethanol were identifiable;

  结果表明：①烟标中残留乙醇、异丙醇、丁醇、乙酸乙酯、乙酸丙酯、乙酸丁酯、环己酮、1-甲氧基-2-丙醇和2-乙氧基-1-乙醇等成分；

• under this conditions, the yield of propyl benzoate reached 70.5%.

  上述条件下，苯甲酸丙酯的产率可达70.5%。

• objective to synthesize thiamine propyl disulfide, a long-effect vitaminb1.

  目的合成长效维生素b1丙硫硫胺。

• methods the orthogonal design method was used to optimize the formulation. hydroxy propyl methyl cellulose was used as matrix.

  方法采用正交设计以体外溶出为指标，以羟丙基甲基纤维素为阻滞剂，进行处方筛选。

• a rapid reverse high performance liquid chromatography method based on the iso - propyl alcohol as an agent of pre-derivatization is developed for the determination of 2-acetoxyisobutyryl bromide.

  以异丙醇为柱前衍生试剂，建立了反相高效液相色谱法间接测定2-乙酰氧基异丁酰溴的新方法。