必须先做除锈及去氧化膜处理，一般使用化学抛光或电解抛光。
Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.
通过为不锈钢表面提供一个氧化环境的化学处理，钝化膜可以得到增强。
The passive film may be augmented by chemical treatments that provide an oxidizing environment for the stainless steel surface.
化学钝化：将制件放在含有氧化剂的溶液中处理，使表面形成一层很薄的钝态保护膜的过程。
Chemical passivation: will contain antioxidant parts in solution in processing, make the surface to form a thin film of the state of the process. Blunt.
转化膜：对金属进行化学或电化学处理所形成的含有该金属之化合物的表面膜层。
Conversion film: chemical or metal electrochemical treatment by the formation of the contains the metal surface membrane layer of the compounds.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
化学氧化：通过化学处理使金属表面形成氧化膜的过程。
Chemical oxidation: through the chemical processing the metal surface oxidation film formation process.
化学处理，例如重铬酸钠溶液，可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。
Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.
此外，共混、化学改性和物理处理也是改变壳聚糖膜性质便捷、重要的方法。
Besides, Blending, chemical reaction and physical treatment are important ways to change the properties of films.
通过对这些方法中化学处理溶液的性质、工艺特点以及膜层性能进行分析，指出了各方法存在的问题以及今后研究的方向。
By analyzing the solution for chemical treatment, technological character and film property, the existing problem and the studying direction of each technology for the future are indicated.
采用电化学方法进行无机非金属膜层沉积的表面处理方法，工艺简单、成膜速度快，具有很好的工业应用前景。
The surface treatment method of electrochemical deposition of inorganic non metal film features simple process and rapid film forming and, therefore, has good future of industrial application.
综述了镁合金表面处理技术的工艺进展，主要包括化学转化膜、阳极氧化、微弧氧化、金属涂层、离子注入等技术。
The process progress for magnesium alloy surface treatment technology include conversion coating, anodizing, micro-arc oxidation, electrochemical plating, ion implantation etc was summarized.
介绍了氧化工艺参数，前、后处理工序，黄铜基体材质状况等因素对黄铜化学转化膜质量的影响。
Influences of parameters for oxidizing process, pre and post treatment procedures and material status of brass substrate on quality of chemical conversion film on brass were described.
分析了前处理、化学转化膜等因素对涂膜质量的影响。
Influences of factors such as pretreatment, chemical conversion film on the quality of coating are analyzed.
化学转化膜处理因其操作简单、成本低廉，是镁合金防腐蚀的有效方法。
Chemical conversion treatment because of its simple, low cost, is the effective method of magnesium alloy corrosion.
采用傅立叶红外光谱（FTIR）和X光电子能谱（XPS）对预处理前后PVDF中空纤维膜表面化学结构进行分析。
The surface compositions of the pretreated PVDF membrane were determined by Fourier transform adsorption spectrum (FTIR) and X-ray photoelectron spectroscopy (XPS).
采用SAF -化学絮凝-微滤分离膜组合工艺对高浓度生活污水进行处理。
SAF-chemical flocculation and micro membrane filtration combined process was adopted to treat the domestic wastewater with high pollutant concentration.
介绍了铝及其合金表面改性的几种方法：化学转化膜、普通阳极氧化、微弧氧化、化学镀镍、激光处理和离子注入等。
Research advancement in rare-earth elements conversion coating, electroless plating nickel and laser technology on surface treatment of aluminum and its alloys were narrated in detail.
报导了以直流迭加脉冲方波的电源对铝合金作表面处理的技术，并对膜层的物理化学特性及其微观结构作了研究。
Describes a technique for the surface treatment of aluminum alloy with a DC square wave pulsesed power supply. The physicochemical property and the microstructure of the oxidized film is studied.
采用原位XRD、TG_DTA、IR、XPS等方法对薄膜的结晶态、热处理过程以及膜的化学组成进行分析。
In_situ XRD, TGA_DTA, IR, XPS methods were used for studying the structure and chemical process of the films.
将化学混凝方法与陶瓷膜分离技术相结合，开发了一体化陶瓷膜混凝反应器(CMCR)，并对高浓度含磷废水进行了处理。
A integrated reactor, based on ceramic membrane microfiltration and coagulation process (CMCR), was developed to treat high-concentration phosphorus-containing wastewater.
以离子交换膜为基础，进行预处理和化学改性。
该膜采用基板超声预处理，在优化工艺条件下人工化学气相沉积等技术措施制备。
The said coating uses supersonic pretreatment of basilar plate and is prepared by the technical measure of artificial chemical gas-phase sedimentation.
研究了以硅酸盐和钨酸盐为主的无铬化学处理液在镁合金上所形成的转化膜。
A conversion coating formed on magnesium alloy AM60 with a chromate-free bath mainly composed of silicate and tungstate is studied.
研究了以硅酸盐和钨酸盐为主的无铬化学处理液在镁合金上所形成的转化膜。
A conversion coating formed on magnesium alloy AM60 with a chromate-free bath mainly composed of silicate and tungstate is studied.
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