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- This paper introduced the preparation technologies and properties of CVD for Si_3N_4 films and the process of low pressure chemical vapor deposition(LPCVD). 简要介绍了Si3N4膜的制备方法及CVD法制备的Si3N4薄膜的特性;详细介绍了低压化学气相淀积(LPCVD)氮化硅的工艺.
- The preparation technologies of PSAC are introduced in the article,and attention is paid to the methods of pitch spheres conglobating and recent application of PSAC. 概述了沥青基球形活性炭的制备工艺,重点介绍并比较了沥青球的几种制备方法及球形活性炭的应用进展。
- It is pointed out that future orientation of the preparation technologies should be focused on cutting cost and improving the dispersivity and surface modification. 指出未来工艺的发展方向应以降低成本、提高分散性、表面改性为重点。
- This paper reviewed the features of hydrocracking catalysts preparation technologies via co gelling method, as well as industrial production and application of the catalysts. 本文概述了共胶法系列加氢裂化催化剂生产工艺的技术特点,介绍了共胶法系列加氢裂化催化剂工业生产和应用情况。
- OBJECTIVE To optimize the preparation technology of Radix Isatidis Injection. 目的优选板蓝根注射液的制备工艺。
- Objective:To optimize the preparation technology of Kangfu Xiaoyan Suppository. 目的:优选康妇消炎栓的制备工艺。
- The composition, conduction mechanisms, properties and fabrication techniques of ITO thin films have been reviewed, and the advantages of different preparation technologies and problems were also introduced. 摘要对玻璃表面ITO膜的组成、导电机制、性质和制备工艺进行描述，介绍各种制备工艺的优点及在今后的研究中要解决的问题。
- The stress and grinding mechanism of a single magnetic abrasive grain in the magnetic abrasive finishing are analyzed. The required properties and preparation technologies of MAGS are discussed. 分析了磁力研磨加工过程中单个磁性磨粒的受力状况和磨削机理,论述了磁性磨粒的性能要求和制备工艺。
- On the base of present preparation and shape technologies, in the paper a new preparation technology to make porous bioceramics with controllable macrostructure was invented. 本文在现有多孔陶瓷制备与成型方法基础上发明了一种新的制备技术。
- The preparing technologies as well as the crst and future problems of ferroelectric thinfilms were briefly analzed. 概述了此类薄膜的制备方法，分析了该类薄膜目前尚存在的问题并展望了未来发展的趋势。
- The preparation technology of nickel paste and thick-film humidity sensitive resistor is introduced. 介绍镍浆料和厚膜湿敏电阻器的制备工艺。
- The developing trends and preparation technology of producing hydrogen from methane are introduced. 摘要氢气作为二次能源将成为未来主要能源之一。
- The maximum BET specific surface areas of silica aerogel obtained by optimizing preparation technology is 430m~2/g. 比表面积测定仪测试表明,优化制备工艺后的气凝胶产品的BET比表面积最大为430m~2/g。
- Relating to preparation technology of PACS.Testing its properties of removing chromaticity and turbidity. 介绍了聚硫氯化铝的合成方法,并对其除浊和脱色性能进行了测试。
- Objective To improve preparation technology of Captopril Tablets, and solve its problem of bad content uniformity. 摘要目的探讨卡托普利片“空白颗粒法”直接压片的最佳制备工艺条件。
- AIM To select excipient of preparation technology of compound folium sennae spray drying powder. 目的选择复方番泻叶喷雾干燥粉末微丸成型工艺的赋形剂。
- Objective: To formulate the preparation technology and quality control of Dicentrine. 目的:制定止痛酊的制备工艺及质量标准。
- In this paper,the preparation technology for Spirulina colour-pearled drink was studied. 对螺旋藻珍珠粒饮料的制作技术进行了较深入地研究。
- OBJECTIVE To establish the best preparation technology of pazufloxacin mesilate drop pills. 目的确立甲磺酸帕珠沙星滴丸的最佳制备工艺。
- The preparation technology of activate carbon with coleseed - straw was studied. 研究了以油菜秆为原料制备活性类的工艺问题。
