该方法成功地用于液化气铜片腐蚀不合格的原因分析。
The said method was successfully used to analyze the unqualified reason of copper-strip corrosion of the liquefied gas.
本发明涉及的是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.
汽油中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.
结果表明,该脱硫剂脱硫效果很好,使液化气的铜片腐蚀从3级降至1级,总硫明显下降。
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.
通过铜片腐蚀试验和活性硫测定,发现氧化硫烯腐蚀性上升的主要原因是由于反应生成的亚砜和砜造成的。
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.
将一个擦亮的小铜片悬挂放置在产品中,依据对铜片的影响测定此产品腐蚀性的一种定性方法。
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.
将黄铜片用上述三种溶液钝化处理后,通过湿热加速试验、硝酸点滴试验、盐水浸泡试验及电化学测试对耐腐蚀性进行了研究。
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.
水彩色调:用硝酸在钢片或铜片上作腐蚀的蚀刻法。这个技巧是在版面上洒上一层薄薄的树脂粉,加热把它粘附于版面。
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.
水彩色调:用硝酸在钢片或铜片上作腐蚀的蚀刻法。这个技巧是在版面上洒上一层薄薄的树脂粉,加热把它粘附于版面。
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.
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