median altitude communication satellite是什么意思

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This paper introduces the structure and working principle of how to machine the crown set of rubber-covered roll in paper making using CQ61100 lathe.

介绍了在 CQ6 110 0车床上车制造纸胶辊中高装置的结构和工作原理 ,利用偏心凸轮和杠杆机构车出的胶辊中高 ,近似于胶辊的挠度曲线 ,能满足实际生产需要 ,其原理也适用于其它车床。

Experimental study on desulphurizing coal water slurry prepared with middle and high sulfur coals;

中高硫煤制备脱硫型水煤浆的试验研究

Practice for Process of EAF Carbon Pick-up Operation for Production of Medium and High Carbon Steels;

EAF留碳操作生产中、高碳钢的工艺实践

The medium and high carbon steels were quenched with and without magnetic field in the self-made quench tank,the austenite transformation in the NaCl solution was studied,and the microstructure change after phase transformation was observed.

利用自制的磁场热处理设备对中、高碳钢进行了施加磁场与不施加磁场的淬火处理,研究了奥氏体在NaCl溶液中冷却时的组织转变,观察了相变后的组织变化。

The goaf gas drainage is carried out by drilling holes with strike and middle-high-order at the π type caving coal face in the inflammable and high coal seam.

易发火特厚煤层π放工作面利用走向中高位钻孔实施采空区瓦斯抽放,解决了工作面瓦斯超限制约工作面生产的问题,效果显著,为低瓦斯矿井实现高体积分数瓦斯抽放提供了可行性依据。

The application of dynamic control with offgas analysis for making medium-high carbon steel on 95 t converter at Ma′anshan is presented.

介绍了马钢95 t转炉冶炼中高碳钢时,应用烟气分析动态控制炼钢技术,制定合适的装入、造渣、供氧制度,优化了造渣过程,提高了脱磷效率。

This paper analyzes mainfactors that influence the dephosphorization of medium-high carbon steels in con-verter steelmaking process.

分析了转炉冶炼中高碳钢条件下影响脱磷的主要因素。

The temperature and residual stress fields of medium-high carbon steel during following cooling process after hard-face-welding (hardfacing) with rare earth (RE) oxides were measured.

采用红外热像仪和X射线应力仪分别测定了采用含稀土氧化物的堆焊焊条,对中高碳钢试件进行堆焊过程的温度场和残余应力场,根据实验数据和材料的物理、力学参数,采用二维有限元计算方法,建立了堆焊应力场模型,根据这一模型,分析了马氏体相变对堆焊金属残余应力场的影响。