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- Spheroidization is an extraordinary adverse factor for direct metal laser sintering of metal powder. 在金属粉末直接激光烧结成形时,球化效应是一个非常不利的因素。
- The method,equipment and mechanism of explosive compaction of metal powder are discussed,and the application to the synthesis of intermetallics and diamond are introduced. 本文讨论了金属粉末爆炸压制工艺方法、装置和机理,同时介绍了该工艺在金属化合物、金刚石等合成领域的应用。
- Mechanism of metal powder rolling where powder weight keeps constant before and after powder rolling,is different from that of conventional dense metal rolling. 金属粉末轧制机理与传统的致密金属轧制机理不同,在这里适用的是粉末轧制前后粉末重量相等原理。
- The upsetting test of metal powder sintered preform by blow speed of the hydraulic press,crank press,pneumatic hammer and high energy rate forging hammer was reported. 研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
- In this paper the effect of processing parameters on the granularity of metal powder is discussed, it may provide some useful reference for practical production. 从雾化工艺参数方面出发,研究了其对粉末粒度的影响,为工业生产提供了有益的参考。
- ECM stands for electrochemical machining and electrochemical processing. It is to bring about a kind of special machining technology of metal forming. ECM即ElectrochemicalMachining，又可称为电化学加工和电解加工，是实现金属成型的一种特种加工工艺。
- Winbond Powder Co., Ltd. is a set of metal powder materials R &D, production and sales of private high-tech enterprise, is located in Liuyang City, Hunan Province. 华邦粉末有限公司是国内集金属粉末材料研发,生产与销售为一体的民营高科技企业, 地处湖南省浏阳市。
- It was found that the numerical simulation technology plays and important role in the study of bulging technology of metal multiunit tube. 研究结果表明,计算机数值模拟技术在金属复合管胀形技术研究中具有重要的作用。
- The properties of metal powder, such as shape, chemical component and ingredient, have great influences on quality of parts of selective laser sintering. 讨论了金属粉末的性能,如粉末形状、化学成分及粒度组成等,对选区激光烧结件质量的影响。
- The present situations of manufacture and application of metal powder and powder metallurgy prats all over the world are reviewed.And the 21st century in prospect is given. 回顾了国内外近期主要金属粉末和粉末冶金零件的生产及应用现状，展望了21世纪初叶的发展趋势。
- A special numerical equipment has been designed based on the integration of CAD/CAM,CNC,and the technology of metal plastic forming. 把CAD/CAM技术、数控技术和金属塑性成形技术结合起来,设计一种专用数控设备。
- The application of antirust technology of metallic thermospray is introduced. 介绍了金属热喷涂防腐技术的应用情况。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The science and technology of space flight. 航天学，宇宙航行学研究宇宙飞行的科学及技术
- The characteristics of metal powder for producing the sintered metallic filter was studied. 研究了生产烧结金属过滤器的原料粉末的性能特征。
- Separate confinement heterostructure strained single quantum well materials were grown by the technology of metal organic chemical vapor deposition(MOCVD). 利用金属有机化合物气相淀积(MOCVD)技术生长了分别限制应变单量子阱激光器材料。
- The qualified candidates should be aware of such knowledge as the technology of fastener processing, the surface treatment methods of metal material etc. 合格人选熟知紧固件加工工艺，金属表面处理方法等知识优先考虑；
- Method The technology of metal backboard united with rdicual retainer was utilized in curing the paradentosis with front teeth dis persing ,and the effects were observed. 方法:利用金属背板结合根内固位体技术对伴有前牙扇状散开的牙周病进行修复治疗,并观察其疗效。
- The production of metal powder by gas atomization is complicated,it involves knowledge such as gas kinetics,hydrodynamics and metallurgy thermodynamics, so there are many influencing factors. 气雾化生产金属粉末是一个复杂的过程,它涉及气体动力学、流体力学、冶金热力学等许多方面的知识,因而影响因素较多。
- The frame of the umbrella is made of metal. 伞的骨架是金属制的。
