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A zinc series phosphating solution was developed by using sodium nitrite as accelerant. 研制出一种以亚硝酸钠为促进剂的室温磷化液。
The film forming mechanism of a novel calcium modified phosphating solution on galvanized steel was studied. 研究了一种新型的钙改性磷化液在镀锌钢板上的成膜机理。
The phosphating solution can translate the corrosion layer into preventive film directly and the zinc layer. 研究了一种用于锈蚀镀锌钢板表面的磷化处理剂。
Abstract: A zinc series phosphating solution was developed by using sodium nitrite as accelerant at room temperature. 摘要: 研制出一种以亚硝酸钠为促进剂的室温磷化液。
In order to improve quality of the phosphating coat and extend lifetime of the phosphating solution, the problem of unusual sediment is studied. 摘要为了提高磷化膜质量，延长磷化液使用寿命，针对异常沉渣这一问题，进行了长期的试验研究。
And the total acidity of zinc nitrate was determined by titrating zinc oxide neutratized phosphating solution with sodium hydroxide standard solution. 加氧化锌中和后的磷化液用氢氧化钠标准溶液滴定，测得硝酸锌的总酸度；
A phosphating technology at room temperatures has been proposed in which more then one accelerants were contained in the phosphating solution. 采用多种促进剂相配合的办法,对金属常温下磷化进行了研究。
The influence factors of phosphating and the functions of compositions in phosphating solution have been discussed in detail. 对磷化过程中各种影响因素和磷化液中各成分的作用进行了讨论。
A zinc series phosphating solution was developed by using unpoisonous and free from pollution acceleration HAS for NaNO2. 研究了磷化液中各组分及工艺条件对磷化膜性能的影响,并分析了锌系磷化的原理。
The development and application of RCP brush-coat type phosphating solution hasbeen introduced. The results show that this phosphating solution has many excellent proper-ties. 介绍一种带锈涂刷型磷化液的研制和应用情况.;使用结果表明:该磷化液具有优异的性能和广泛的推广价值
Composition and preparation of phosphating solution were described.Properties of phosphating solution coatings obtained were tested,and analyzes the principle about phosphating. 研究了磷化液中各组分及工艺条件对磷化膜性能的影响,并分析了锌系磷化的原理。
A cleaning ferric-based phosphating solution used for surface pretreatment of iron and steel at room temperature was developed in order to perform cleaning phosphating production. 为使磷化实现一级清洁生产,开发了一种用于钢铁表面涂装前处理的常温清洁铁系磷化液。
The phosphating film with high hardness and corrosion resistance could be obtained on iron and steel parts after the treatment with Mn phosphating solution. 锰系磷化膜因硬度高,膜厚,抗蚀力强等性能,而被广泛地应用于金属表面处理的润滑、防腐和耐磨上。
She and I can't live under the same roof. 她和我不能住在一起。
You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
A one-component environment-friendly normal temperature Zn-Ca phosphating solution is described, which contains no nitrite and heavy metals, and does not need surface conditioning. 报道了一种不含亚硝酸盐和重金属、不需表调的单组分环保型常温锌钙系磷化液。
I can't vouch for the accuracy of my memory. 我无法保证我的记忆正确无误。
Combined EDTA Titration of Zn Ca and Mg in the Dust Ash of Coal Gas from Blast Furnace EDTA滴定法联合测定高炉煤气除尘中锌钙镁
Can't you get it into your thick skull that we can't afford it? 你这个笨脑瓜难道不明白我们买不起吗？
Traditional phosphating solutions usually contain sodium nitrite, potassium bichromate, sodium fluoride and nickel nitrate which are detrimental to human body and environment. 常规磷化液中通常含有亚硝酸钠、重铬酸钾、氟化钠或硝酸镍等对人体和环境有害的物质。