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- The degree of macrosegregation of boron in VAR ingot is controlled mainly by melting bath width and depth, so it depends mainl. 而真空电弧重熔铸锭中硼的宏观偏析主要与熔池的大小和深度有关,因而主要取决于稳定熔炼电流的大小。
- Macrosegregation of boron in vacuum melting pouring ingot of GH901 alloy is determined by 3 characteristics of boron in the GH901 alloy. GH901合金真空熔炼铸锭中硼的宏观偏析,是由硼在GH901合金中的三大特点决定的。
- Macrosegregation of boron 硼的宏观偏析
- Macrosegregation of boron; 硼的宏观偏析;
- A trademark used for an abrasive of boron nitride granules. 氮化硼用于一种由氮化硼微粒组成的磨料的商标
- A trademarkused for an abrasive of boron nitride granules. 氮化硼用于一种由氮化硼微粒组成的磨料的商标。
- B from the family of boron have auticatalytic effect. 硼族元素对焦炭反应性起负催化作用。
- A binary compound of boron with a more electropositive element or radical. 硼化物硼和带正电荷的元素或原子团形成的二元化合物
- The content of boron and molybdenum in soil is located in critical leval. 锌、锰、铁和铜等微量元素平均含量水平较高,也存在土壤分布变异性较大的问题。
- East Yingkou area is one of important localities of boron deposits in China. 营口东部区是我国硼矿重要产区之一。
- The presence of boron or a boron compound in neutron shields has certain advantages. 在中子防护体中加入硼或一种硼的化合物是有一定优点的。
- Boron content of SiC/ B powder depends on the kind of boron sources and its quantity. 粉末中硼的含量取决于硼源的种类和用量。
- A colorless to white lustrous crystalline mineral, Na2B4O7?H2O, that is a major source of ore of boron. 四水硼砂一种无色或白色的光亮晶体矿物,Na2B4O7?H2O,是硼矿的主要来源
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意?
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- Refining effect of boron on the hypoeutectic Al Si alloys and pure aluminum has been studied with SEM and XRD. 利用DSC,SEM 和X 射线衍射等手段, 分析了硼对纯铝及亚共晶Al?Si 合金的细化作用。