1、

The yield of isoamyl isovalerate could reach 66% under amount of catalyst 3.4%, molar ratio of isoamyl alcohol to isovalerate 1:2, reaction time 7 h.

在催化剂用量(以原料质量计)3.4%、原料异戊醇与异戊酸摩尔比1:2、反应时间7h的最佳条件下,异戊酸异戊酯的收率可达66%。

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2、

Ethyl 2-isopropyl-3-hydroxy-3-methyl-3-pyrazinylpropionate ( 1) was synthesized from ( 2-acetylpyrazine) and ethyl isovalerate in 45% yield.

以乙酰基吡嗪和异戊酸乙酯为原料,合成了2-异丙基-3-羟基-3-甲基-3-吡嗪丙酸乙酯(1)。

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3、

The dioxygen being as the oxidation and the transition metal oxide being as the main catalyst were used in the direct synthesis of isoamyl isovalerate from isoamyl alcohol in this paper.

本文采用分子氧作为氧化剂,主要以成本较低的过渡金属氧化物催化剂,常压下催化氧化异戊醇一步合成异戊酸异戊酯。

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5、

Thereinto, the catalytic performance of different catalysts was explored and evaluated by the conversion of isoamyl alcohol, yield and selectivity of isoamyl isovalerate.

其中,以异戊醇的转化率、异戊酸异戊酯的收率及选择性作为评价催化剂活性指标,对不同催化剂的催化性能进行了考察。

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6、

As protein level in the diets increased, typical protein fermentation was observed: molar proportion of valerate, isobutyrate and isovalerate increased significantly, and 100% ISP treatment had the maximum.

随日粮蛋白水平的提高,整个发酵表现为典型的蛋白质发酵,即戊酸、异丁酸和异戊酸的摩尔比例显著增高,其中以100%ISP的处理最为明显。

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7、

These results indicated that the optimum dose of isovalerate supplementation was 0.04 g/ kgW.

异戊酸的适宜添加水平为0.04g/kgW。

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8、

synthesis of isoamyl isovalerate catalyzed by nanometer- graded hzsm- 5 molecular sieve catalyst

纳米级HZSM-5分子筛催化合成异戊酸异戊酯的研究

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9、

synthesis of butyl isovalerate using sodium bisulphate as catalyst

硫酸氢钠催化合成异戊酸丁酯

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10、

The progresses in the synthesis study of isoamyl isovalerate at home and abroad were reviewed.

综述了国内外对异戊酸异戊酯的合成研究的进展情况。

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11、

It is shown that the ceric-cerous sulfate can work as transfer dosimeter or standard dosimeter for measurement. Catalytic Synthesis of Isoamyl Isovalerate with Ceric Sulfate

通过比对和应用证实了测定结果准确可靠,铈剂量计可作为传递剂量计和标准剂量计使用。硫酸高铈催化合成异戊酸异戊酯的研究

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