查询词典 isoamyl

Solid superacid ; isoamyl acetate ; catalytic synthesis ; kinetic ; activation energy

固体超强酸；乙酸异戊酯；催化合成；动力学；活化能

The synthesis of isoamyl acetate with sulfuric acid and TBAB as catalyst was studied,and the effects of the raw material ratio,the dosage of catalyst and reaction time on the yield were investigated.

以冰乙酸和异戊醇为原料，用浓硫酸和四丁基氯化铵混合物催化合成乙酸异戊酯。

The amphiphilic TMS-HZSM-5 and TMS-Hβ zeolites exhibited catalytic activity for hydrolysis of isoamyl acetate obviously superior to their parent zeolites.

两亲性TMS-HZSM-5和TMS-Hβ沸石在乙酸异戊酯相界面水解反应中表现出明显优于各自母体沸石的催化性能。

The reaction conditions are that the catalyst is 2.0 g, the mole ratio of acid to alcohol is 2.6︰1, the average esterification yield of isoamyl acetate is 70.6%.

但也有明显的缺点，如腐蚀设备严重、易使产品炭化等。为此，我们以硅胶作为载体制备了硅胶负载硫酸催

A volume of 0.3 ml saturated isoamyl acetate were presented to the right nostril synchronously with the early phase of inspiration.

选取32例18～46岁嗅觉正常的健康青年人，将0.3ml醋酸异戊酯饱和气在吸气早期释放入右侧鼻腔，反复刺激作者：陈兴明，倪道凤，徐春晓

Then the subjects were allowed to have a onehourlong rest,and a higher volume of 0.5 ml saturated isoamyl acetate was used to evoke olfactory event-related potentials again.

选取32例18～46岁嗅觉正常的健康青年人，将0.3ml醋酸异戊酯饱和气在吸气早期释放入右侧鼻腔，反复刺激16次，刺激间隔约60s。

Using ferric chloride, aluminum chloride and cupric chloride as catalytics in the synthesis of isoamyl formate,acetate and propionate.

本文分别用氯化铁、氯化铝和氯化铜催化合成甲、乙、丙酸异戊酯，实验证明氯化铁、氯化铝有较高催化活性，对五个碳以下的有机酸和醇的酯化活性较高，并对其机理进行了探讨。

In the phase-boundary reactions of cyclohexene hydration and isoamyl acetate hydrolysis, these amphiphilic zeolite particles are oriented at the aqueous-organic phase boundary and exhibit catalytic activity obviously superior to the parent zeolites.

在环己烯水合及乙酸异戊酯水解的相界面反应中，两亲性沸石分布於水－油两相界面，并表现出明显高於各自母体沸石的催化活性。

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。