• 重点介绍了新的铸造技术,包括无熔剂熔炼和非铬化阳极处理。

    New casting technologies including fluxless melting and nonchromated anodisation surface treatments are emphasised.

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  • 为我国水泥预分解窑高温带用耐火材料无铬化提供了一条可行的技术路线。

    The research provides a feasible technical route for the refractory free chrome for rotary cement kilns in our country.

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  • 为了消除铬公害以及替代燃料的使用,研制水泥窑用碱性砖的无铬化势在必行。

    Magnesia chrome bricks must be replaced by chrome free basic bricks because of chrome pollution and for utilization of substituting fuel in cement kiln.

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  • 从铬酸盐化学转化膜、磷铬化法和无铬化学转化法等方面对化学转化膜的现状进行了综述。

    The current states of chromium acid salt chemical transform film, phosphorus-chromium transform treatment and in-chromium transform treatment are reviewed.

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  • 研究表明,用白云石砖、 尖晶石砖、镁锆钙砖代替镁铬砖,符合碱性砖无铬化的发展趋势。

    These chrome free bricks include dolomite bricks, magnesia spinel bricks and magnesia calcium zirconate bricks.

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  • 以铬化砷酸铜(CCA)为代表的水载型防腐剂,逐渐被其他主要有效成分为铜的水载型防腐剂取代,这类防腐剂中的。

    Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.

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  • 如同所有的电视一样,液晶显示器的塑料外壳经过溴化阻燃剂处理,内部线路用了各种有毒重金属,如镉,铬,锑,铍。

    As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.

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  • 但不同的处理方法对高铬铸铁韧化所起的作用也是不同的。

    But different treatments have different effects in toughening of high chromium cast iron.

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  • 曙红-Y敏化重铬酸盐明胶干版的吸收光谱已经测定。

    The absorption spectrum of the eosin-Y sensitized dichromated gelatin has been obtained.

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  • 介绍将变质处理、孕育处理和微合金化技术结合使用于优质高铬白口铸铁生产的新工艺。

    This paper has described the new process combined with the modification, inoculation and micro-alloyage technology in the manufacturing of high quality high-Cr white cast iron.

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  • 考察了电熔氧化镁加入量对镁铬耐火材料致密化的影响。

    The effect of the amount of fused magnesia addition on the densification of magnesia chrome refractory was investigated.

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  • 其目的是稳定污泥中的重金属铬离子,使其不再产生二次污染,从而达到真正的无害化、资源化。

    The purpose of this new technology is to immobilize chromium, which can avoid the secondary pollution so as to make tannery sludge innocent and use it as a resource.

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  • 利用OM、SEM、EDAX和XRD检测方法研究了一种在隧道窑烧成带使用10年的再结合镁铬砖显微结构均化现象。

    Microstructural homogeneity of a rebonded magnesia-chrome brick used in tunnel kiln in a period of 10 years were studied by means of OM, SEM, EDAX and XRD.

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  • 讨论铬微合金化对大规格高碳钢线材质量的影响。

    The influence of cr microalloying on the quality of large size high carbon steel wire rod is discussed.

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  • 研究出一种高铬酸型粗化溶液中硫酸含量的分析方法。

    A kind of method for analyzing the sulfate content in the roughening solution with high chromic acid content was determined.

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  • 使用可见光谱数字化自动分析系统对铁基合金中铬元素可见光谱进行了分析测定。

    The visible spectra of chromium in ferro-alloy were analyzed by digital automatic analysis system.

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  • 在静态条件下,利用生物矿化针铁矿对含铬模拟废水进行吸附实验研究。

    The sorption experimental study on chromium-containing wastewater treatment with biomineralized goethite(B.

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  • 由此说明可用该函数图选择高铬白口铸铁的合金化元素。

    It was concluded that the alloying elements for high chromium white cast iron can be selected according to the function of bond parameters.

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  • 为适应汽油无铅化及汽车排气净化装置的要求,开发出了高铬铸铁排气阀座。

    In order to be suitable for the leadfree gasoline and meet the demand of automotive exhaust gas equipment, exhaust valve seat made of high-chromium cast iron is developed.

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  • 研究了由十六烷基三甲基溴化铵(CTAB)改性制成的有机沸石对水体中铬酸根的吸附性能及吸附机制。

    The adsorption of chromate on zeolite modified by cation surfactant CTAB and its mechanism were investigated.

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  • 文章针对目前啤酒包装单一化现状,系统论述了塑料包装、铬镍合金桶装及大容器槽车运输等几种具有广阔发展前景的新型包装形式。

    Point out the usual existing simple beer package, this article details some new wide developable kinds of beer package such as plastic package.

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  • 提出了采用机械合金化制粉,进而进行爆炸烧结和后续热扩散处理的制取铜铬合金的方法,并初步进行了实验研究。

    The method making powder by mechanical alloying is brought forward. Getting CuCr alloy by explosive sintering and thermal diffusion disposal are studied some primary experiments were done.

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  • 从加氮对铬白口铁的强韧化效果来看,以对中铬白口铁的强化效果最佳。

    The effects of nitrogen on properties and structures of chromium white cast iron with 0.

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  • 为改善45钢制件表面耐腐蚀性,采用CO2激光在45钢表面合金化铬钼硼以获得高耐蚀性的合金复合涂层。

    To improve the corrosion resistance of 45 steel pieces, Chromium, molybdenum and boron were alloyed on 45 steel by CO2 laser to obtain excellent corrosion resistance composite coating.

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  • 四螺纹口按国际标准化制造,材料选用38铬钼铝氮化钢,硬度高,使用寿命长。

    4 , screw thread gob produced by internation standard , material is 38chrome molybdenum aluminium azote steel , high rigidity , long time.

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  • 结果表明,铬镀层的X射线衍射图中只有非晶态铬的宽化峰;

    X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to characterize the properties of the chromium deposits.

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  • 结果表明,铬镀层的X射线衍射图中只有非晶态铬的宽化峰;

    X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to characterize the properties of the chromium deposits.

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