查询词典 catalyst

On the basis of researching catalyst,the isomerization reaction of nerolidol wasinvestigated in detail,and then the optimum technical conditions are selected toprepare farnesol in a higher yield.

同时研究了催化剂——原钒酸酯以及目的产物的物理性质和化学性质，探讨了合成金合欢醇的可能反应机理和可能产物的化学结构，取得了令人满意的结果。

After many experiments, lamas found that if a felsite , unique to Mars, was added to the milk as a catalyst, the milk would solidify into a butter, which was neither soft nor hard, and very easy to mold.

经过多次实验，喇嘛发现如果在奶中加上一种火星特有的硅长石，以之做为触媒，奶油便能凝固成不软不硬，可塑性极强的胚料，藏语称为「加莫勒」。

Potassium ferrate and hydrogen peroxide are all potential oxidant,how to develop suitable catalyst system is the key job.

高铁酸钾和过氧化氢都是极具潜力的绿色氧化剂，关键任务是要寻找合适的催化体系与之匹配协调，以充分发挥它们的氧化能力。

Using 2,4,6-〓 as phase-transfer catalyst, ten symmetrical azobenzene were prepared with a saturated solution of potassium ferricyanide in 2N aqueous potassium hydroxide and dichloromethane.

用2，4，6-三叔丁基苯酚为相转移催化剂，芳胺类化合物在饱和铁氰化钾的氢氧化钾溶液和二氯甲烷的两相转移催化下合成了10个对称取代偶氮苯，并对反应机理也做了合理的解释。

The influence of CO2 on the reaction is less significant than that of other traditional ferrochrome shift catalysts, which, very possibly, results from the diffusion or the behavior of Cu in this catalyst.

从动力学方程可以得出该高温变换催化剂内扩散影响严重；该催化剂上CO2组分对反应速率的影响与其它铁系变换催化剂相比变小。

After putting it all together with thin CA and baking soda as a catalyst, I switched over to thick CA for filleting the bases of the blades and giving more support.

之后，把它所有连同薄CA和烘焙苏打作为一种催化剂，我转来厚厚的钙为filleting基地的刀片和给予更多的支持。

A two-phase fluidized bed photo-catalytic reactor was designed and TiO2-coated photo-catalyst was prepared using firebrick granules as media in this study.

设计了一种二相流化床光催化氧化反应器，并以耐火砖颗粒为载体，用浸涂法制备了负载型TiO2光催化剂。

Abstract摘要: A two-phase fluidized bed photo-catalytic reactor was designed and TiO2-coated photo-catalyst was prepared using firebrick granules as media in this study.

摘要摘要：设计了一种二相流化床光催化氧化反应器，并以耐火砖颗粒为载体，用浸涂法制备了负载型TiO2光催化剂。

The influence of catalyst dosage,reaction time,reaction temperature and the time of taking off the low weight molecular compound on viscosity and flashing point was studied.

考察了催化剂用量、反应温度、反应时间和脱低沸物时间等因素对产品粘度和闪点的影响。

The reaction time, reaction temperature and catalyst influencing on esterification were investigated, and the acid value, flashing point and other properties were determined.

考察了反应时间、反应温度、催化剂等反应条件对酯化反应的影响，并对增塑剂的酸值、闪点及其他主要性能指标进行了测定，改进了酯化反应工艺条件，讨论了样品色泽、酸值及闪点的影响因素。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。