国内外

The meaning for the production of ice spar from by-product of phosphate fertilizer was discussed based on the analysis of limited calcium fluoride resources,recovery of fluorin from phosphate fertilizer and environmental protection.

从萤石资源的有限性、磷肥氟资源回收和环境保护等因素，阐述了开发磷肥副产物制冰晶石的意义；本文介绍了国内外冰晶石的生产现状及存在的问题；综述磷肥副产物制冰晶石的各种生产工艺。

Using scientific management methods and the introduction of domestic and foreign advanced equipment technology, developed with high whiteness, purity, and high-quality micro-particle size of calcium hydroxide products.

采用科学管理方式和引进国内外先进设备技术，研制开发出具有白度高、纯度好、粒径微细等高品质的氢氧化钙系列产品。

The experts at home and abroad and friction material production unit test and application show that calcium hydroxide is an excellent performance of friction material raw materials, Add friction material products role

经国内外摩擦材料专家和生产单位的试验和应用证明，氢氧化钙是一种性能优良的摩擦材料原材料，加入摩擦材料产品中的作用

In this paper, the principles characteristics and applications of various processes for preparation of calcium phosphate bioceramic coating are reviewe

本文在综合了大量的国内外文献的基础上，评述了这种涂层主要制备技术的原理、特点及应用。

Based on distribution function of synthesis index, probability of liquidity risk will be calculated in different level.

在对国内外有关文献归纳和总结的基础上，结合开放式基金的自身特点，对开放式基金的流动性风险作了较为深入的研究。

Based on a summary of main work in the field of analyzing impulse voltage distribution on normal transformer windings by computer over last several years, a new method for building up the equivalent circuit and calculating equivalent parameters of converter transformer is given in this paper. Meanwhile , a new method for calculating inductance parameters is given also .

本文在回顾总结国内外几十年来普通电力变压器波过程计算工作的基础上，从工程实际应用的观点出发，论述了换流变压器与普通的变压器在电磁性能、绝缘结构方面的不同之处，提出了换流变压器绕组波过程的等值电路和等值参数的计算方法，同时给出了一种新的电感参数的计算方法。

The thesis expounds the necessity of application of arc prolong measure in synthetic test,introduces general practices of arc prolong methods and their working principle at home and abroad,and proposes design criteria and parameter calculating method for arc prolong circuit .

论述了合成试验采取延弧措施的必要性，介绍了国内外大功率试验室通用的延弧方法和工作原理，提出了延弧回路的设计原则和参数计算方法，并对影响延弧效能的因素进行了分析，最后叙述了提高延弧成功率的措施以及今后可能出现的问题。

The research at home and abroad on the quantitative extraction methods of numerical geomorphological information mostly focus on the classification of slope by using DEM, the calculation of geomorphology in large areas, the typical line extraction of large geomorphological units such as mountains and basins or special geomorphology.

国内外有关数字地貌信息定量提取方法的研究多集中在利用DEN进行坡度分级、大区域起伏度计算、山地和盆地等大地貌单元、特殊地貌特征线的提取上，而利用DEM和遥感影像进行典型地貌和微地貌信息提取的研究相对较少。

Firstly, on the base of reading a great number of references at home and abroad, thesis analyzed the various disposal methods of wastewater, and primarily established and analyzed the disposal technics of physical calefaction cooperating with chemical medicament.

论文在查阅大量国内外相关文献的基础上，首先分析了含有生物危害废水的各种处理方法，初步确定并详细分析了物理湿热和化学药剂协同的废水处理工艺。

Warmly welcome domestic and foreign merchants to visit or call letters, business negotiations, common development!

热忱欢迎国内外客商到访或来电来函、洽谈业务，携手共同发展！

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。