查询词典 isoamyl

The effects of catalyst synthesis and esterification reaction conditions on the yield of the isoamyl acetate were investigated.

将该催化剂用于醇酸反应制备乙酸异戊酯，考察了反应条件对酯化率的影响。

Two chiral centers of 〓 and 〓 are come fromchiral isoamyl alcohol and chiral octanol-2 respectively.

和〓的手性中心分别来自于手性异戊醇和手性辛醇-2。

The catalyst had high activity and high selectivity in esterification of phthalic anhydride with isoamyl alcohol.

该催化剂对邻苯二甲酸酐和异戊醇的酯化活性高，无副反应。

In the other task, to avoid possible decreased olfactory attention, vanillin was given before each presentation of isoamyl acetate.

结果两种任务中均可见一致的梨状皮层和次级嗅觉皮层的激活。

Triisoamyl citrate was synthesized using citric acid and isoamyl alcohol as raw material with microwave irradiation heating method.

以柠檬酸和异戊醇为原料采用微波辐射法合成了柠檬酸三异戊酯。

Including support for isoamyl rubber research and development and promotion of cutting-edge technology applications, such as butyl rubber and caprolactam industrialization of key technologies.

包括支持异戊橡胶等前沿技术研发和推广应用，丁基橡胶和己内酰胺等关键技术产业化。

Diisopentyl oxalate was synthesized with oxalic acid and isoamyl alcohol as raw materials and sodium bisulfate as catalyst.

以草酸和异戊醇为原料，采用硫酸氢钠作催化剂合成草酸二异戊酯。

The effects of activation temperature and activation time for the catalyst and the esterification conditions on the yield of isoamyl isovalerate were investigated.

用纳米级HZSM-5分子筛作催化剂合成了异戊酸异戊酯，考察了催化剂的活化温度和活化时间以及酯化反应条件对酯收率的影响。

The optimum reaction conditions of the synthesis of isoamyl acetate with Nafion NR50 resin membrane as catalyst were studied.

以全氟磺酸树脂膜为催化剂得到冰乙酸和异戊醇反应合成乙酸异戊酣适宜的反应条件。

The product is confirmed isoamyl natrate by IR spectra, density and re...

产品经红外光谱、密度及折光率分析证明为硝酸异戊酯。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。