本文以OV-101为固定液,正二十二烷为内标物,气相色谱法测定溴苯腈辛酸酯乳油中有效成分含量。
The contents of the formulation of bromoxynil octanoate was determined by gas chromatography with FID on OV-101, and n-docosane as internal standard.
探讨了单体丙交酯纯度、催化剂辛酸亚锡用量、反应时间、反应温度及真空度对聚合物相对分子质量的影响。
The effects of the synthesis conditions such as monomer(lactide) purity, catalyst(stannous octoate) concentration, vacuum level, reaction time and temperature, were discussed.
在制备稀土辛酸盐的基础上,得到了掺杂稀土离子的聚甲基丙烯酸甲酯(PMMA)固体薄膜试样,测得固体薄膜试样的吸收曲线。
On the base of preparing rear earth ethyl salt. We obtained doped rear earth ion solid film sample of PMMA and we also tested it's absorption curve.
主体风味成分是己酸乙酯、苯乙醇、辛酸和辛酸乙酯。
The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.
葡萄酒主要的香气成分如琥珀酸二乙酯、苯乙醇、辛酸、葵酸,在污染酒样中比例显著减低,甚至未检出。
The main flavoring compositions including diethyl succinate, phenylethanol, octanoic acid and decanoic acid in contaminated grape wine decreased evidently and even not detected.
乳酸菌的二次污染使啤酒中异戊醇、辛酸乙酯显著升高,使乙醛含量明显低于正常的啤酒。
Secondary contamination of lactobacillus would evidently increase the content of isoamyl alcohol and ethyl caprylate and decrease the content of ethyl aldehyde (lower than that in normal beer).
报道肉芝软珊瑚素的重要中间体6-甲基-8-三甲硅氧基-6-烯-2-酮-1-辛酸乙酯的合成。
This paper reports the synthesis of 6-methyl-8-trimethylsiloxy-oct-6-ene-2- one-1-acid acetate.
报道肉芝软珊瑚素的重要中间体6-甲基-8-三甲硅氧基-6-烯-2-酮-1-辛酸乙酯的合成。
This paper reports the synthesis of 6-methyl-8-trimethylsiloxy-oct-6-ene-2- one-1-acid acetate.
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