• 结果表明,添加微量熔点金属焊料熔融特性影响小于2%。

    The results indicated that small amount of high melting point metals had less than 2% effect on melting properties of previous lead-free solders.

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  • 氯化物还原法从废料回收高熔点金属合金具有良好未前景

    Hydrogen reduction of chlorides is a perspective recovery process for refractory metal and alloy scraps.

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  • 也许金属重要用途作为还原剂生产熔点金属比如

    Perhaps the most important use of sodium metal is as a reducing agent in producing high melting point metals, such as titanium and hafnium.

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  • 一种宝贵稀有熔点金属,是生产合金刚、不锈钢耐热合金铸铁的重要合金化元素。

    Molybdenum is the rare metal with high melting point, which is often used to prepare alloy steel, refractory steel and stainless steel.

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  • 提供包括包含熔点金属氧化物氧化掩蔽具有超分辨率近场结构密度记录介质

    A high density recording medium with a super-resolution near-field structure including a mask layer comprising high melting point metal oxide or silicon oxide is provided.

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  • 结果表明技术表面合金化技术领域中,适合熔点金属表面合金化采用高熔点金属对铁基某些熔点的有色金属表面进行合金化的实用工艺。

    The results show that the technology is fit for high melting point metal surface alloying and surface alloying in surface of high melting point metal and some coloured metal.

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  • 通过控制燃烧温度添加岭土使之与金属钠盐形成熔点物质避免密相区结焦

    By controlling combustion temperature or adding kaolin clay to make alkali metal salts into high melting substances, coking can be avoided in dense phase zone.

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  • 过渡金属碳化物氮化物具有硬度、高熔点、耐磨损和耐腐蚀优良特性广泛应用于切削刀具和用作硬质涂层。

    In this thesis, a first principles study of the electronic properties and mechanical properties of transition metals, transition metal carbides and nitrides is presented.

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  • 钛酸一种优异的熔点膨胀无机金属材料

    Aluminum titanate is an excellent inorganic non-metal material with high melting point and low expansion.

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  • 钛酸一种优异的熔点膨胀无机金属材料

    Aluminum titanate is an excellent inorganic non-metal material with high melting point and low expansion.

    youdao

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