• 采用化学技术预处理后的金属表面制备二元镍铜磷三元镀片,X射线光电子能谱分析仪和扫描电镜分别对片表面的元素价态、组成及镀片表面的形貌进行表征

    The coatings of nickel-phosphor and nickel-copper-phosphor are prepared on the pretreated metal surface by electroless plating technology. The coating surface has been characterized by XPS and SEM.

    youdao

  • 研究酸性介质中,钼酸盐孔雀绿浮选分光光度法测定痕量

    A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.

    youdao

  • 电镀废水混合废水中的氰化物污染物显著的治理效果,是较理想的电镀混合废水治理新工艺。

    It has a remarkable effect in treating chromium containing wastewater and zinc, copper, cadmium cyanide, phosphorous, oil, etc. in mixed electroplating wastewater.

    youdao

  • 不锈钢SUS301不锈钢条、线碳钢线、铁线线、

    Stainless steel, SUS301 stainless steel, piano wire, carbon steel, nickel plating wire, iron wire, nail wire,. Phos-copper, bronze.

    youdao

  • 结果表明,所得--合金镀层的蚀性、外观结合力孔隙率沉积速度硬度耐磨性等性能优于镍-合金及前人制得的镍-铜-合金镀层

    The results show that electroless nickel copper phosphorus alloy deposits obtained have improved corrosion resistance, appearance, adhesion, porosity, deposition rate, hardness and wear resistance.

    youdao

  • 化学-合金液中加入硫酸制得镍--三元合金。

    Electroless nickel copper phosphorus ternary alloy deposits were prepared by addition of cupric sulfate in electroless nickel phosphorus alloy plating bath.

    youdao

  • 简述-铜--铜-玻璃纤维工艺流程

    The production process for the glass fibre plated with Ni-P, Cu-P and Ni-Cu-P is briefly described.

    youdao

  • 简述-铜--铜-玻璃纤维工艺流程

    The production process for the glass fibre plated with Ni-P, Cu-P and Ni-Cu-P is briefly described.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定