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The preparation methods of ultrafine alkaline earth aluminate and its properties were reviewed in this paper.

对超细碱土铝酸盐长余辉发光材料的制备方法及其制备后产品的性能做一综述，分别介绍了燃烧法、溶胶-凝胶法和水热法在制备超细碱土铝酸盐长余辉发光材料中的应用。

This work studied the influence of temperature on the ion-exchange membrane electrolyze and precipitation sodium aluminate solution.

本工作研究了温度对离子膜电解及种分铝酸钠溶液的影响，在研究不同温度下电解相同铝酸钠溶液的过程中，掌握了电流、电解时间与温度的关系。

On January 1, 2002, after the WTO deliberation that concerns with aluminous industry is carried out, of domestic aluminous industry live the environment produced very big change.

2002年1月1日，与铝工业有关的世贸组织协议实施之后，国内铝工业的生存环境发生了很大的变化。

Based on the research of commercial PAC made by different technologies,it is found that poly—aluminum chloride containing more high molecular weight plays a more important role in coagulation.

通过对不同生产工艺得到的商品聚合氯化铝进行聚合物种类的研究，并结合混凝实验，发现高分子聚合氯化铝对混凝效果发挥了更大的作用。

The angle of every diffraction line of ZSM-5 molecular sieve determinedby X-raydiffraction, we obtained accurate lattice constant by using the least square method, and SiO_2/Al_2O_3 ratio of ZSM-5 molecular sieve according to empirical formula of lattice constant connectedwith SiO_2/Al_2O_3 ratio .

用x射线衍射最小二乘法测定ZSM－5分子筛的晶胞参数，经ZSM－5分子筛硅铝比与晶胞参数关联的经验公式，得到ZSM－5分子筛的硅铝比。

The changes of free energy and enthalpy were calculated in terms of depolarization values on Al cathode. Thermodynamic meaning of depolarization was discussed in details and the empirical relation between binary alloy type and depolarization type was proposed.

根据锂离子在铝阴极上产生的去极化值求出铝和锂发生合金化反应的热力学意义，提出二元合金类型与极化类型之间的经验关系。

In fact aluminum foils and aluminum sheets have good combinations of BOPP films to produce efficient packaging materials.

事实上，铝箔和铝板的BOPP薄膜具有良好的组合，以产生高效率的包装材料。

The retarding effect of boracic acid on the sulphoaluminate was unstable, but the composite of boracic acid and accelerating admixture could improved the retarding effect and early strength, and the appropriate boracic acid could increase the later compressive strength of the cement.

结果表明，高效减水剂FDN与硫铝酸盐水泥相容性很好，减水效果明显；硼酸对硫铝酸盐水泥的缓凝效果不稳定，但通过复掺早强促凝组分能改善其缓凝效果和早期强度，且适量的硼酸能提高水泥浆的后期强度。

In this paper, the direct esterification of carboxylic acid and alcohol by using dealuminated USY as catalyst was studied.

研究脱铝USY 催化羧酸与醇的直接酯化反应，考察了催化剂硅铝比对酯化反应的影响及不同类型酸酶酯化的一般规律。

Based on the conception of hologram simulation, multi-field coupling comprises turbulent fluctuating correlation, time-averaged correlation, circular correlation, bilateral and multi-phase correlation. The coupling mechanism has been discussed in detail.

基于铝电解槽全息仿真的概念，将铝电解槽内的多场耦合问题分为时均耦合、脉动耦合、循环耦合与双向耦合以及多相耦合，对耦合机理进行了详细的分析。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。