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- Its advantages are high speed and precision especially in multi phase system. 它在多组份,尤其是多相系统中具有计算速度快、精度高等优点。
- The multi phase flow interior ballistic model for grain and stick propellants are established, a practical engineering software system is completed. 建立了粒状药与管状药组成的混合装药的多相流内弹道理论模型,编制工程实用的软件系统。
- But the phase structure was still steady. 相结构无变化;
- The specimen with natural sharp cracks are important for measuring the fracture toughness KIC of structural ceramic materials. 准确测试陶瓷材料断裂韧性K_(IC)的关键是预制具有原生裂纹的试样。
- Multi phase PSZ micro_powders were prepared by low temperature combustion synthesis (LCS) method, with which nitrates were used as oxidizers while urea as fuels. 用水合硝酸盐作氧化剂、以尿素为燃料,根据推进化学计算原料的配比,进行了复相PSZ超细陶瓷粉的低温燃烧合成。
- The Middle and Upper Ordovician carbonate reef and shoal assemblae originally formed in a rimmed shelf system , and then reworked by multi phases diagenesis and structural fracturing. 塔中中上奥陶统碳酸盐岩储层是在一发育良好的镶边陆棚体系中形成的礁、滩组合,并经过后期多次成岩和构造破裂作用改造而成。
- The fabricating process of metallic ceramic coatings by thermochemical reaction method was studied.The phase structure and microstructure of the coatings were also investigated in this paper. 研究用热化学反应法在金属表面制备陶瓷涂层的工艺,并对涂层的相结构及显微组织进行分析。
- The angular distributions of sputtered Al and Sn atoms ejected from the Al-Sn multi phase alloy bombarded by 30keV Ar+ ion have been measured with collector technique and RBS analysis. 用捕获膜技术和卢瑟福背散射(RBS)分析,测定Al-Sn多相合金在30keV Ar~+离子轰击时Al和Sn的溅射原子角分布。
- The phase structure and surfaceappearance were analysed through SEM, EDS, XRD. 应用扫描电镜(SEM)、能谱仪(EDS)和X射线衍射(XRD)等手段分析研究了氧化铝膜的相结构和表面形貌。
- Adapting visual Delphi language and Paradox database, structure ceramic database management system is developed. 应用可现视化的Delphi语言和Paradox数据库,开发了结构陶瓷数据库管理系统。
- Mainly of three - phase structure, good for power grid balance and mass usage. 以三相结构为主,有利于电网平衡和批量使用。
- PMMA and PPS matrix existed as the form of "sea-island" phase structure. PMMA与PPS基体以“海岛”状的形式存在;
- Results:CT signs of liver abscess were variable on multi phasic spiral CT scans and were correlative to pathologic processes. 结果:肝脓肿在螺旋CT扫描征象上具有多样性,其CT征象与肝脓肿所处时期密切相关。
- The structural features of an alloy (e. G., Grain and phase structure) that are subject to observation under a microscope. 在显微镜下观察到的某合金的结构特征(例如:晶粒和相的组织结构特征)。
- "The transitional binding layer" between phases of C3S and C3A is defined and a clear phase structural relation is formed here. 确定C_3S相与C_3A相结合边界处存在“结合过渡边”,并由此而构成清晰的相结构关系。
- The history and development of ceramic materials,especially special ceramics such as engineering structural ceramics,ceramic matrix composites,bioceramics,and functional ceramics,are reviewed. 本文回顾了陶瓷材料的发展历史,着重评述了特种陶瓷如工程结构陶瓷、陶瓷基复合材料、生物陶瓷、功能陶瓷等的发展现状,并展望了特种陶瓷的未来发展。
- dynamic programming with multi phase 多阶段动态规划
- The structural ceramics EDM-processing is prospected and analysed with the mechanisms. 利用蚀除机理对加工过程进行了预测和分析。
- The ore phase structure, mineral composition and metallurgical property of Brazilian MBR lump ore were introduced. 分析了巴西MBR块矿的矿相结构、矿物组成及冶金性能.
- Abstract: This paper deals with the regularities of the thickness of thermal damage surface and effect of all of the mechanisms in EDM of structural ceramics . 文摘:研究了结构陶瓷电火花加工热影响层厚随脉冲参数变化的规律以及蚀除机理的各种分离方式作用效应的变化规律。