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- A lot of efforts have been made to synthesize sinerable ultrafine powders of non-oxide ceramics. 为了制备出适于烧结的非氧化物陶瓷超细粉体,人们进行了大量的研究工作。
- A major sector of ultrafine powders, the superconductor industry alone is expected to reach a volume of $ 225 billion/year by 2020. 据预测，到2020年，仅超细粉体的一个主要领域--超导工业，其产品增值额即可达2250亿美元。
- In the process of preparation ultrafine powders with wet chemical method, the reaction, flitration, drying and calcination will affect the powders size and agglomeration. 湿化学法制备超细粉体时,反应、分离、干燥以及灼烧都不同程度地影响粉体的粒径及团聚。
- The proanthocyanidin content in the ultrafine powder of grape seed was determined in n-butanol-HCl reaction medium. 以正丁醇-盐酸为铁盐催化法的反应介质,测定了葡萄籽超微粉中的原花青素含量。
- In this paper,HAP ultrafine powder was prepared by chemical precipitation with citric acid as dispersant. 采用沉淀法并用柠檬酸作分散剂合成HAP超细粉体。
- The synthesis and characteristics of MgO Partially stabilized zirconia ultrafine powder are investigated in this work. 本文对氧化镁部分稳定氧化锆超细粉末的制备工艺和性能进行了实验研究。
- The components of polyphenols in the ultrafine powder of grape seeds were measured and analyzed. 对葡萄籽超微粉中的多酚成分进行了分析和测定。
- Synthesis of YAG ultrafine powder and translucent ceramics through co-precipitation method was investigated. 研究了共沉淀法制备YAG透明陶瓷的工艺。
- It is becoming clear that to successfully compete in the 21st century, countries will require their chemical engineers making tremendous efforts to improve their mastery of ultrafine powders. 人们越来越清楚，要想在21世纪的竞争中获胜，世界各国都希望他们的化学工程师做出巨大的努力来加强他们在超细粉体领域的优势。
- This paper mainly studies the ultrafine effects of the mine r al ultrafine powders in the property assessment index system of ordinary powders , heteromorphic powders and functional powders. 讨论了矿物超细粉体的超细效应在一般粉体、异形粉体和功能粉体中的评价指标体系及常用的检测方法,指出粒度、纯度、表面性能和微粒力学性能是评价粉体超细效应的四大重要方面。
- For example,plasma atomization technique has achieved developments greatly in thefield of preparing spherical metal powder and producing ultrafine powder. 如:等离子技术已在制备球形金属粉末、生产超细粉末等领域获得了很大的发展。
- Cerium dioxide ultrafine powder is prepared by electrochemical method using composite coating of In-Ru-Ir as anode,cerous nitrate and ammonium nitrate as electrolyte. 采用钛基钌铱铑复合涂层作为阳极,以硝酸铈和硝酸铵作为电解液,电化学法制备二氧化铈超细粉体。
- TiO2 ultrafine powder microdoped with Nb5+, Ba2+ is prepared by spray drying. The relations between the dielectric properties of TiO2 and the sintering temperature, measuring conditions are studied. The mechanism of TiO2 ceramic BLC is illustrated. 用液相喷雾干燥法制备含Nb~(5+),Ba~(2+)微量杂质的TiO_2超细原料粉末,研究了TiO_2陶瓷的电性能与烧结温度和测试条件的关系,阐述了TiO_2晶界层电容器的形成机制。
- Stability Research of Ultrafine Powders Lubricant 超细粉润滑剂的稳定性
- The ultrafine powdered full-vulcanized nitrile rubber and its application in the compounding toughening modification of rigid PVC and soft PVC were introduced. 介绍了超细全硫化粉末丁腈橡胶及其在硬质聚氯乙烯和软质聚氯乙烯两种材料共混增韧改性中的应用进展。
- A new route to make fully cured thermoplastic elastomer(TPE) was developed through simple blending polypropylene(PP) and ultrafine powdered styrene-butadiene rubber(PSBR)by twin screw extruder. 以全硫化超细粉末丁苯橡胶(PSBR)与聚丙烯(PP)为原料,采用双螺杆挤出机共混方法制备PP/PSBR全硫化热塑性弹性体。
- The Preparation Methods of Ultrafine Powder 超细粉体的制备方法
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- Synthesis of Ultrafine Powders of Non-Oxide Ceramics 非氧化物陶瓷超细粉的制备
- Keywords alcoxide method;rare earth;ultrafine powders; 醇盐法;稀土;超微粉末;
