查询词典 titanium oxide

In this disseration, the cationic ring open-polymerization mechanism of THF、 butylene oxide and ethylene oxide were studied on the basis of electronic microstructures by using quantum chemicl method.

本文选取四氢呋喃、环氧丁烷和环氧乙烷的阳离子开环聚合为研究对象，运用量子化学方法从微观层次上对烷氧基化开环聚合过程进行了较为全面的研究。

Calcium oxide and its product after water addition, calcium hydr oxide, are important industrially.

加水后的氧化钙和其产品，以及氢氧化钙在工业应用上很重要。

The improved method that calcium oxide and magnesium oxide in magnesite are determined by EDTA titrametric method

研究了新显色剂二溴对甲基偶氮磺与钙的反应，建立了直接测定镁砂中钙的光度分析方法。

Potassium hydr oxide is frequently called caustic potash, and in the fertilizer industry, potassium oxide is called potash.

氢氧化钾常被称为腐蚀性碳酸钾，在肥料工业中，也把氧化钾称作钾碱。

Yttrium oxide and cerium oxide produced only for the follow-up study done on the basis of feasibility analysis.

氧化钇和氧化铈的制备仅仅为后续研究做可行性分析提供依据。

The advantages and disadvantages of cerium oxide and cerium oxide-based sorbents are analyzed based on the main problems existing in application to high temperature desulfurization.

针对目前高温煤气脱硫剂存在的问题，分析了氧化铈及氧化铈基脱硫剂的优点和缺点。

The research progress in cerium oxide and cerium oxide-based sorbents as the second-generation sorbents for high temperature desulfurization is reviewed.

较详尽地叙述了被誉为第二代高温煤气脱硫剂的氧化铈及氧化铈基脱硫剂的研究进展和研究动态。

Cerium oxide has a wide range of uses, but many applications require special physics properties of particles. It is particle morphology, size, structure, dispersion, surface properties ,this physical and chemical properties, that determine their application field, but the traditional preparation process is difficult to control cerium oxide particle morphology and physical properties, thus making it difficult to meet the application requirements.

氧化铈有着广泛的用途，但很多方面的应用都要求其粒子具有特殊的物性，粒子的形貌、尺寸、结构、分散性、表面性能等物化性能决定其应用领域，但传统制备工艺难以控制氧化铈粒子的形貌及物性，从而难以满足应用的需求。

A kind of polishing wheel installed in the equipments imported from Germany or Czechoslovakia and in the polishing machine for crystal glass decoration, which is made from high flexible macromolecule, aluminum oxide and cerium oxide.

一种安装在德国、捷克进口设备以及国内自主研发的水晶玻璃饰品研磨机上的抛光盘，它是由高弹性和高强度的高分子材料与很锋利的抛光性能极佳的氧化铝、氧化铈等软质磨料进行混合反应而制作。

A kind of polishing wheel installed in the equipments imported from Germany or Czechoslovakia and in the polishing machine for crystal glass decoration, which is made from high flexible macromolecule, aluminum oxide and cerium oxide .

产品描述：一种安装在德国、克进口设备以及国内自主研发的水晶玻璃饰品研磨机上的抛光盘它是由高弹性和高强度的高分子材料与很锋利的抛光性能极佳的氧化铝、化铈等软质磨料进行混合反应而制作。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。