粉末金属

powder metal的用法和样例:

例句

  1. Our main products are various kinds of Powder Metal Parts, also including Precision Powdered Metal Parts, Sintered Metal Parts.我们的主要产品是各种粉末金属零件,还包括精密粉状金属零件,烧结金属零件。
  2. This paper introduced the difficulties of modeling powdered metal compacting process.In theory and practice,modeling approach was discussed in detail.介绍了建立描述粉末金属压制过程数学模型的难点,从理论和应用上详细论述了微观力学方法在粉末成形建模中的应用。

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(四)月

Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step

发表于:2019-01-13 / 阅读(62) / 评论(0) 分类 VOA标准英语2011年(十二月)

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(48) / 评论(0) 分类 万物简史

How about 'Pig Supreme'? asked one of the lambs. 细皮肥猪怎么样?一只小羊问道。 No good, said Charlotte. It sounds like a rich dessert. 不好,夏洛说,这听上去像油腻的菜名。 How about 'Terrific, terrific, terrific'? as

发表于:2019-01-29 / 阅读(67) / 评论(0) 分类 夏洛的网

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(64) / 评论(0) 分类 英文语法词汇

IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a

发表于:2019-02-18 / 阅读(73) / 评论(0) 分类 2012年VOA慢速英语(七)月
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