Objective To study the preparation of Placenta Hominis superfine powders, and to investigate its quality control methods. 目的选择紫河车超微粉的制备工艺,探讨紫河车的质量控制方法。
Application test showed that after ultrafine crushing, calcination, superfine pulverization and surface modification by silane coupling agents, the kaolin powder can be used as the functional filler of high quality cathode electrophoresis paint with the better filling properties than the kaolin abroad. 应用试验证明,沉积型高岭土经超细粉碎、煅烧、超细磨矿后,作为高性能阴极电泳漆的填料和进口高岭土相比,填充性能得到明显改善。
According to the existing domestic raw materials, the essay analyzed spinnable properties of the superfine cotton yarn at domestic cotton spinning equipment, it also predicted and estimated the yarn quality. 根据现有的国产原料,分析在国产棉纺设备上纺制特细号纱的可纺性,并对其成纱质量进行预测和估算。
To enhance size beam quality of superfine count yarn, several processing measures and quality control index were proposed according to raw yarn quality, equipment condition, processing parameters, operation methods and so on. 为提高特细号纱的浆轴质量,从原纱质量、设备状态、工艺参数、操作方法等方面入手,制定了一系列工艺措施及质量控制指标。
Surfactant used in the preparation of superfine ceramic powder can greatly reduce energy consumption, and improve dis-persion rate and application quality of ceramic materials. 在陶瓷超细粉体的制备加工过程中,使用表面活性剂可以大大提高分散效率,降低能耗,提高陶瓷材料的应用品质。
The construction of superfine courses that is a key component of the higher education reform project is important to improve the quality of the higher education. 精品课程建设是高等教学质量与教学改革工程的重要组成部分,本文介绍作者在建设物理光学精品课程中的探索与实践。
The weaving of superfine high density fabric has great difficulty, the demand of warp sizing quality is higher. 特细号高密织物织造难度大,对经纱上浆质量水平要求高。
The maturation of information technology provides powerful tool for the university physical education curriculum teaching. Teachers can fully exert the roles of superfine tennis course; reasonably and effectively use information technology to improve the quality of teaching. 信息技术的日趋成熟,为高校体育课程的教学提供了有力的工具,希望广大网球教师能充分发挥精品课程的作用,合理有效的运用信息技术来提高体育教学的质量。