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本研究还提供了该反应涉及丙基自由基的证据。Evidence of the propyl radicals existing during the reaction was presented.

本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。In this paper a new synthesis of Trimethylol propyl triacrylate was introduced.

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这些峰分别相当于乙基和丙基的侧链开裂。These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.

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

新的食用酒精质量标准将正丙醇作为一项质量指标来考查。Normal propyl alcohol content is regarded as a quality index in the new edible alcohol quality standard.

葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。The disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.

介绍了没食子酸丙酯的反应机理，并对没食子酸丙酯的测定方法进行了综述。In the present article, we give a review on the reaction mechanism and many determinations of propyl gallate.

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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。METHODS The orthogonal design method was used to optimize the formulation. Hydroxy propyl methyl cellulose was used as matrix.

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

该汽车厂喷漆车间废气中的主要组分为甲苯、二甲苯、乙酸乙酯、乙酸丁酯、丁醇、丙酮和甲基丙基甲酮。The main components of paint spray booth emissions were toluene, xylene, ethyl acetate, butyl acetate, butanol, acetone, and methyl propyl ketone.

乙酸丁酯、乙酸3-甲基丁酯、乙酸丙酯、乙酸乙酯、1-丙醇、1-丁醇、2-甲基丁醇和2-甲基丁酸乙酯为新红星苹果果实的主要香气成分。Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.

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。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.