The product offers a perfect solution for the problem of color durableness of mineral coating and makes mineral coating really coexist with nature, really a revolution of coating industry.

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To analyze and compare each targets of pre-coating Cu and pre-coating Ni,which are the two pre-coating methods adopted in electrocoating Cu for Cu-cladded steel wire The relative matters needing attention and measures of improvement are put forward,which have important significances for cutting down production cost and improving product qualit

對(duì)銅包鋼絲在電鍍銅過程中采用的兩種預(yù)鍍方法———預(yù)鍍銅和預(yù)鍍鎳的各項(xiàng)指標(biāo)進(jìn)行分析比較亚洲欧美中文精品，提出相應(yīng)的注意事項(xiàng)和改進(jìn)措施涩涩网页，對(duì)于降低生產(chǎn)成本，提高產(chǎn)品質(zhì)量意義甚大在线免费观看一区。

To analyze and compare each targets of pre-coating Cu and pre-coating Ni,which are the two pre-coating methods adopted in electrocoating Cu for Cu-cladded steel wireThe relative matters needing attention and measures of improvement are put forward,which have important significances for cutting down production cost and improving product qualit

對(duì)銅包鋼絲在電鍍銅過程中采用的兩種預(yù)鍍方法———預(yù)鍍銅和預(yù)鍍鎳的各項(xiàng)指標(biāo)進(jìn)行分析比較九九热这里只有精品九九，提出相應(yīng)的注意事項(xiàng)和改進(jìn)措施，對(duì)于降低生產(chǎn)成本免费看很黄A片在线观看视频，提高產(chǎn)品質(zhì)量意義甚大国产理论精品一区。

In order to research the influence of polyaniline on acrylic anticorrosive coating, the polyaniline/acrylic anticorrosive coating that the mass rate of emeraldine base form of polyaniline in coating was 0%, 1.5%, 3%, 5%, 10% were prepared, and theirs anticorrosive performance in 3.5% NaCl solution was studied by Tafel and EIS.

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The results show that, there is a white zonal area between the AZ61 and Al-alloyed coating, which indicates that a good metallurgical bonding is obtained. The coating shows typical hypoeutectic structure. Due to lots of Mg17Al12 phases in Al-alloyed coating, the corrosion resistance of AZ61 magnesium alloy is increased obviously.

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The results show that the composite coating is metallurgically bonded to the substrate and the microstructure is fine and uniform. The hardness of the composite coating is up to 400 HV, which is 2.5 times that of the substrate. Under room temperature and oil lubrication condition, the sliding wear tests indicate the friction coefficient and weight loss of the composite coating are smaller than those of substrate. The worn surface of the composite coatings is much smoother than that of the substrate, without grooves and crater.

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Alumina sols of different content were prepared by using Al3 as precusor, water as solvent, nitric acid as peptizer, ethylacetoacetate and polyvinylpyrrolidone as modified menstruum. We used dip-coating method and spin-coating method prepared of alumina films on the plane glass and used dip-coating method and rising liquid method inside the wall of the fiber.

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In the deep processing of agricultural and food products, there are some key technological problems of system design on the domestic traditional reelable vacuum aluminium coating system, including mass process parameters, bad process duplication, unstable production quality caused by complex operation, and high equipment failure rate. A newly developed reelable vacuum aluminium coating system with 1500 mm-wide thin plastic films was designed with high vacuum technology in order to satisfy the vacuum aluminum coating of more than 1500 mm-wide, such as polyethylene terephthalate, oriented polypropylene, polypropylene cast film, polyvinyl chloride.

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Because of having surplus weld reinforcement height and irregular seam form as well as the influences of polyethylene raw materials and coating process, the quality problems of ununiformity in thickness of 3PE coating and coating thickness reduction on helical seam occur.

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The paper machine comprises a headbox (100), a gap former (200), a press section (300) which comprises at least one extended nip press, a pre-dryer section (400) in which a web is dried applying at least cylinder drying (R1-R7), a pre-calender (500) in which the web is pre-calendered, at least one portion which is formed of a coating station (600) and an after-dryer section (700) and in which the web is coated on both sides applying a film coating method or a non-contact coating method and dried applying at least contact-free drying (710), an end calender (800) in which the web is calendered, and a reel-up (900) in which the web is reeled.

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