戊基

Orthogonal test was performed to examine the influences of reaction conditions on microwave-assisted synthesis of 2'-oxo-cyclopentanecarboxylic acid ethyl ester from diethyl adipate.

以己二酸二乙酯为原料，在微波辐射下经Dieckmann缩合反应合成2'-羰环戊基甲酸乙酯。

The results also indicated a low production of acetic acid, acetoin and ethyl acetate, and high amounts of amyl alcohols in all of the ciders.

结果在所有萍果汁也表明了乙酸、乙醛和乙酸乙酯的低产量和大量产生的戊基乙醇。

The degradation process of potassium amyl xanthate and ester-105 as the common reagents used in mines under different conditions is investigated.

研究矿山常用药剂戊基黄原酸钾和酯-105在不同条件下的降解过程。

The market demand and technology status of the gasoline blender —tertiary amyl methyl ether and its developmental trend in China are discussed in this paper.

介绍了汽油调合剂——甲基叔戊基醚的市场情况、技术状况及国内发展动向。

The kinetics of tertamyl methyl ether synthesis using C5 fraction of FCC gasoline was studied. The molar ratio of tertiary amylene to methanol was 1.0 and the kinetic experimental data was obtained at the temperature range from 55℃ to 90℃.

研究了FCC汽油中C5馏分合成甲基叔戊基醚的宏观动力学。C5原料与甲醇摩尔比为1/1，在温度分别为55℃~90℃时反应得到了动力学实验数据。

The major metabolic pathways involved oxidation of the pentyl side chain to alcohols and acids with sequential cleavage of the terminal carbon.

主要代谢途径为：戊基支链末端的碳原子连续裂解而氧化为醇和酸。

Alcohols listed in this category included methyl, ethyl, n-hexyl and isoamyl.

乙醇在这种类排列包括甲基，乙基，n-已基和异戊基。

The main research now is focused on the polymerization of difluoramino substituted oxetane monomers, the preparation of neopentyl difluoramino nitrato plasticizers, and the molecular design and synthesis of cyclic N2 nitramino geminal difluoramino oxidizers.

目前该领域的研究工作主要集中在二氟氨基取代环氧丁烷聚合物合成，新戊基二氟氨基硝酸酯增塑剂制备，以及环N2硝胺基偕二氟氨基氧化剂的分子设计与合成上。

In the previous work,a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides.

本文合成了12种含环戊基或环己基的第四级铵碱，使之发生Hofmann消除反应。

The separation of neutral macrocyclic calyx [4] pyrroles with 1-butyl-3-methylimidazolium chloride as background electrolyte in acetonitrile was carried out by nonaqueous capillary electrophoresis.

建立了以1-丁基－3-甲基咪唑氯盐离子液体为背景电解质，非水毛细管电泳分离中性大环化合物八甲基杯[4]吡咯、四环戊基杯[4]吡咯、四环己基杯[4]吡咯的方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。