晶石的

Mineralizer such as TiO2,Cr2O3 and ZrO2 with proper amount, have a beneficial effect on the formation of magnesium aluminate spinel solid solution and the densification of samples, and decrease of porosity.

外加适量的TiO2、Cr2O3、ZrO2矿化剂能促进镁铝尖晶石烧结和晶粒生长，提高试样的体积密度和抗折强度，降低显气孔率。

Generally the larger La~(3+) ion prefers the monazite type due to its higher oxygen coordination number of 9 as compared to 8 of the zircon type.

而EDTA作为模板剂除了螯合和诱导晶体生长外，还起到抑制镧离子形成9配位结构的作用，从而避免了单斜独居石结构晶相的产生。

Mullite seeding has an obvious influence on the forming way of mullite, and a higher...

晶种的添加使莫来石的形成方式发生了变化，对反应烧结有一定促进作用。

It is shown that the viscous flow of the non-crystalline may be a dominant densification mechanism prior to the formation of mullite.

结果表明，在莫来石形成之前，非晶态的粘滞性流动是主要的致密化机制。

A new method for directly producing naphthol from naphthalene is studied in this paper,in which spinel-type magnesium ferrite is used as the catalyst and hydrogen peroxide as the oxidant.

研究了萘一步催化氧化合成萘酚的新方法，该法以具有尖晶石结构的铁酸镁为催化剂，过氧化氢为氧化剂。

This paper shows the importance of ability of iron to occur on both the tetrahedral and octahedral sites of the spinel structure.

表明铁离子出现在尖晶石结构中四面体间隙位和八面体间隙位的能力是极为重要的。

The Timur Ruby, a 352-carat red spinel now owned by Queen Elizabeth, has the names of some of the Mogul emperors who previously owned it engraved on its face.

帖木儿的红宝石，352克拉红色尖晶石现在拥有伊利沙白，有一些名字的巨头帝王们那幅刻有面子。

Some methods to reduce capacity fade and the development of the spinel Li-Mn-0 are proposed.

提出了减少容量衰减的几种方法，并对尖晶石Li-Mn-O的发展作出展望。

As the result,the research on the relationship between the properties of spinel ferrites and the corresponding preparation processes is quite important.

因此，研究尖晶石铁氧体的制备过程对其性质的影响就显得十分重要。

Spherical bismuth stannate particles with single pyrochiore structure were obtained when the precursor was calcined at a temperature as low as 500℃.

该前驱体在500℃下锻烧即可形成具有烧绿石结构的四方晶相的Bi2Sn2O7纳米粉体，其平均晶粒尺寸为10nm，粒径分布在10~20nm之间，外观呈球形。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐