• 研究超声波合金电镀影响

    The effects of ultrasonic on the tin-bismuth alloy electroplating are studied.

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  • 超声和电沉积相结合电镀合金

    Tin - bismuth alloy was electroplating by electrodepositing associated with ultrasonic agitation.

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  • 总结了电镀铅合金锡铋合金分类特点应用情况。

    The classification, characteristics, and application results of tin, tin lead and tin bismuth electroplating were summarized.

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  • 锡铋焊料中加入微量元素,通过快速冷却制成新的焊料,并对其组织性能进行了研究。

    A new type of solder was fabricated by adding microelements into tin-bismuth series solder and then being rapid cooled.

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  • 产于钨(钼锡铋)矿床密集区与花岗岩有关金矿一种重要经济价值前景类型金矿床。

    The gold deposit which exists in tungsten deposit compact district and relates to granite is a new type of gold deposit and is of great economy value and good exploration prospects.

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  • 此外采用扫描电镜X射线能谱仪对光亮镀层成分进行分析,结果表明含量1%,含量为99%。

    In addition, the composition of bright Sn-Bi plated layer is analyzed using scanning electron microscope and X-ray energy spectrograph. The result shows Bi content is 1% and Sn content is 99%.

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  • 本着“以为主经济实用原则采用合金气焊”的方法修复B2012A龙门刨床大面积咬伤导轨操作简单,修复迅速,经使用表明,修复好的设备性能可靠,运行状况良好。

    According to the rule of "main task is repair, economic practical", using Sn-Bi alloy gas welding repairing method to repairr B2012A type planer guides, this method simple and quick.

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  • 许多物质用来作为阳性造影剂稀土化合物已被使用造影剂。

    A number of substances have been used as positive contrast agents: silver, bismuth, caesium, thorium, tin, zirconium, tantalum, tungsten and lanthanide compounds have been used as contrast agents.

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  • 应用纳米相中成功地促进多种羰基化合物和巴豆基溴的丁烯基化反应,在时间内得到了高产率的高烯丙

    Indium, tin and bismuth nanoparticles successfully mediated crotylation of carbonyl compounds in water to afford the corresponding homoallylic alcohols with good to excellent yields in a short time.

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  • 介绍了应用AF S-2202双道原子荧光测定日常工作经常出现的问题及其解决办法

    Some problems in routine determination of As, Sb, Bi and Hg by AFS-2202 double-channel atomic fluorescence spectrometer were discussed and several settlement measures were also proposed.

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  • 集团以产为主综合回收铟多种金属

    China tin Group produces tin mainly, recovering comprehensively indium, lead, antimony, zinc, silver, cadmium and bismuth etc. various kinds of nonferrous metals.

    youdao

  • 集团以产为主综合回收铟多种金属

    China tin Group produces tin mainly, recovering comprehensively indium, lead, antimony, zinc, silver, cadmium and bismuth etc. various kinds of nonferrous metals.

    youdao

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