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- black oxide pretreatment 黑氧化前处理
- The material is 801 Tool Steel, the finish is buffed and polished, then Black Oxide. 材料为801号工具钢;成品必须经打磨及抛光;然后黑色氧化处理.
- The surface treatments include phosphated ,black oxide,electric zinc plated, HDG, dacromet.etc. 并能提供化学发黑、环保电镀、热浸镀锌、达克罗等表面处理后的产品。
- The surface treatments we can offer are including phosphated,black oxide,electric zinc plated,HDG,dacromet.etc. 并能提供化学发黑、环保电镀、热浸镀锌、达克罗等表面处理后的产品。
- Results indicated that wear resistance and corrosion resistance of black TiN coating were higher than that of black oxide film or phosphatizing films. 结果表明，其耐磨损、耐腐蚀性能均高于氧化和磷化黑色膜层。
- These parts are cleaned and de-burred before black oxide but are not bead blasted before the black oxide coating is applied. 这些零件清洗和去钻磨后，才黑色氧化物，但不是珠子炮轰前的黑色氧化物涂层的应用。
- Thus, oxidation pretreatment technology is needed to transform these substances into smaller molecules that can then be readily degraded biochemically. 因此，有必要通过氧化方法对难生化降解的农药废水进行预处理，使废水中的难生化降解物质转化为易于生化处理的小分子化合物。
- Through domestic and overseas technical exchange and literature research,a scheme of odor treatment using air oxidation pretreatment had heen presented. 为此，我们通过国内外技术交流，在文献调研基础上，提出了碱渣空气氧化预处理脱臭治理方案。
- A comparison of corrosion behavior is made between magnesium alloy surface oxide films formed by micro-arc and chemical black oxidation with electrochemical method and CASS. 通过电化学分析和盐雾腐蚀试验,对镁合金微弧氧化和黑色化学氧化后表面膜的耐蚀性能进行了比较。
- Study of Monoterpene oxide pretreatment on donor heart preservation 缬草单萜氧化物预处理对供心保存的实验研究
- In this paper,the effect of coal swelling and oxidation pretreatment on microbial solubilization,coal after pretreatment liquefies in solid culture medium and liquid culture medium are studied. 研究了煤的溶胀预处理和氧化预处理对微生物溶煤的影响,以及两种预处理方法处理过的煤样在固态培养基和液态培养基中的溶煤效果。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- In this paper factors affecting oxidation pretreatment in processing camel hair with proteolytic enzyme were studied.The reduction in mass, diameter induced by the treatment were estimated. 对氧化预处理在蛋白酶对驼毛改性整理中的影响因素进行了研究;
- The Preparation of Iron Black Oxid by Iron Scrat 利用废铁屑制备氧化铁黑的研究
- Keywords iron black oxid;iron sulfate;preparation; 氧化铁黑;硫酸亚铁;制备;
- Three pretreatments including air oxidation pretreatment, nitric acid oxidation pretreatment, ultrasonic pretreatment are used to increase the rate of humic acid extraction. 采用空气氧化预处理、硝酸氧化预处理、超声波预处理三种方法提高腐殖酸的提取率。
- Black oxidation film on aluminum alloy with good adhension, strong corrosion resistance and beautiful color can be obtained by two steps of oxidation coloring. 该工艺通过两步氧化着色法,得到了结合力好、耐蚀性强、颜色鲜艳美观的铝合金黑色氧化膜。
- hot - press oxidization pretreatment 热压氧化预处理
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
