silica powder

Methods:To use the silica powder as a disintegrant,dextrin as fillers,optimize the preparation .

方法:采用微粉硅胶内加法,以白糊精为填充剂,通过处方筛选确定最佳处方。

Investigation on methods of removing Fe(Ⅲ) from silion carbide micropowder;

碳化硅微粉中除铁方法的研究

Study on the dissolution rate and bioavailability of Radix Pueraria micropowder prepared by super fine crushing process;

微细化工艺制备的葛根微粉溶出度和生物利用度的研究

Study on the Stability of Flow rate in Size Separation for Micropowder by Overflow;

微粉溢流分级中流量稳定性的研究

Working and grade analysis on micro-powder of converter slag;

转炉钢渣微粉的加工与品位分析研究

Study on activation of micro-powder mixture of granulated blast furnace slag and steel slag;

钢渣-矿渣复合微粉的活性试验研究

Clinical and Experimental Study of Micro-powder of Panax Notoginseng on Both Treating Unstable Angina and Protecting in Isoproterenol Induced Myocardial Necrosis in Rats;

三七微粉治疗不稳定性心绞痛临床研究及保护急性心肌损伤作用实验研究

Application of micro powder in castable refractory;

微粉及其在耐火浇注料中的应用

With laser sedimentograph equipment the different content of micro powder w.

粒度呈双峰分布的石英粉是熔模铸造比较理想的制壳材料,当10μm以下微粉含量不同时,涂料粘度会存在较大差异,这种差异将影响制壳工艺。

This paper summarizied the preparation methods of the RE micro powders to look for the producing methods of the rare earth micro powders, especially of the RE compounds.

通过对近年来超微粉技术的发展、应用和制备方法的研究,并对近年来超微粉的制备方法进行了简单的总结,为寻找适合稀土化合物制备的方法提供可能的依据,从而为稀土超微粉的发展应用提供广阔的空间。

Present Situation and Progress in Nanosized Powder Preparation by Cryochemical Technology;

低温化学技术制备工业纳米微粉材料的研究现状与进展

Applying and developing powder in fire-resistant material;

微粉在冶金耐火材料中的应用开发

In this paper, applications, principles and characteristics of vacuum freeze drying method for preparations of nanometer powders are introduced in detail.

本文详细介绍了真空冷冻干燥技术在工业纳米微粉材料制备领域的应用、原理和特点,对这种方法的发展历史和研究现状进行了全面的总结,提出了该技术目前尚待解决的问题,并对其今后的发展趋势作了展望。

The amorphous SiC ultra-fine powder rich in carbon was heat-treated in the preoxidation, decar bonization, deoxidation at high temperature and crystallization process in Ar atmosphere to produce the high-pu rity β-SiC ultra-fine powder.

对于含有大量残碳的无定形ＳｉＣ超微粉，采用预氧化，高温脱碳脱氧结晶化处理工艺可以制备出纯度较高的β－ＳｉＣ超微粉。

The fine powders of the solder alloy is one of the key materials in the SMT.

随着表面组装技术(SMT)在电子工业中广泛应用,无铅焊锡合金微粉的研究和开发成为电子材料领域的热点问题之一。