• 方法成功地用于液化气铜片腐蚀不合格原因分析

    The said method was successfully used to analyze the unqualified reason of copper-strip corrosion of the liquefied gas.

    youdao

  • 本发明涉及的催化裂化汽油铜片腐蚀不合格的处理方法

    Disclosed herein is a treatment method concerning catalysis-cracker gasoline which corrodes copper sheet.

    youdao

  • 汽油由于存在某些活性硫化物,如元素硫或多硫化物,从而产生铜片腐蚀

    The existence of active sulfides in gasoline is the reason resulting in copper strip corrosion.

    youdao

  • 结果表明脱硫剂脱硫效果好,使液化气铜片腐蚀31级,明显下降

    These desulfurizing agents proved to be excellent: reducing the total sulfur of LPG significantly and making the grade of copper stain test go down from 3 to 1.

    youdao

  • 通过铜片腐蚀试验活性硫测定发现氧化硫烯腐蚀上升主要原因由于反应生成的亚造成

    From the data of the determination of copper corrosion and active sulfur of the additives, it can be found out that sulfoxide and sulfone cause the severe copper corrosion.

    youdao

  • 个擦亮铜片悬挂放置产品中,依据铜片影响测定此产品腐蚀的一种定性方法

    A qualitative method of determining the corrosivity of a product by its effect on a small strip of polished copper suspended or placed in the product.

    youdao

  • 铜片用上述三种溶液钝化处理通过湿热加速试验、硝酸点滴试验、盐水浸泡试验电化学测试腐蚀进行了研究。

    The corrosion resistance of samples after passivation is studied in the experiment by humid-air accelerated corrosion test, nitric acid titrating test and the brine dipping test.

    youdao

  • 水彩色调硝酸铜片腐蚀的蚀刻法。这个技巧版面上薄薄的树脂粉加热粘附于版面。

    Aquatint: it is an etching process on copper or steel by means of nitric acid. in this technique a thin layer of resin dust is sprinkled on the plate and heated to make it adhere.

    youdao

  • 水彩色调硝酸铜片腐蚀的蚀刻法。这个技巧版面上薄薄的树脂粉加热粘附于版面。

    Aquatint: it is an etching process on copper or steel by means of nitric acid. in this technique a thin layer of resin dust is sprinkled on the plate and heated to make it adhere.

    youdao

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