• 中国世界许多原材料生产大国,其中包括铁矿石灰

    It is the world's top producer of cadmium, gold, indium, iron ore, lime, lead, manganese, mercury, molybdenum, phosphate, salt, tin, tungsten, vanadium and zinc.

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  • 用于各种合金,帮助钢铁防止腐蚀

    Molybdenum and vanadium are used as alloys for steel to prevent corrosion.

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  • 合金钢性质取决于所含有的除以外的一种多种元素,如

    Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.

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  • 过氧化测定时,干扰可用波长分光光度同时消除

    In the determination of titanium with hydrogen peroxide method, molybdenum and -vanadium interference can be eliminated simultaneously by three wavelength spectrophotometric method.

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  • 介绍了应用DV - 4光电光谱仪,仅一种测定条件,测定高合金钢中元素含量方法

    The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.

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  • 对用白钨矿、氧化冶炼工具钢进行了热力学动力学计算分析

    Smelting tool steels with scheelite, molybdenum oxide and vanadium slag is investigated by thermodynamic and kinetic calculation and analysis in this paper.

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  • 具有大型、 超大型规模矿产为、铜、铅锌稀有金属稀土金属、以及

    There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.

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  • 我厂长期求购催化剂

    I long product containing vanadium plant, molybdenum, nickel, cobalt, platinum, Spent palladium catalyst.

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  • 目的135急性心肌梗死患者血清中的含量检测并对照组比较

    Objective To compare chromium, cobalt, nickel, vanadium and molybdenum contents in serum of 135 patients suffering from acute myocardial infarction with that of control group.

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  • 本文叙述钴、催化剂中有金属综合回收方法工艺过程

    The article related the new method and technological process of comprehensive recovery the noble metals from waste catalyst containing cobalt, molybdenum, nickel and vanadium.

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  • 对用白钨矿、氧化冶炼高速钢进行热力学动力学计算分析

    Smelting reduction process of sheelite, molybdenum oxide and vanadium slag is considered by thermodynamic and kinetic calculation and analysis in the paper.

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  • 结果表明含量形成碳化物元素主要溶于的碳化物中。

    The results show that only vanadium carbides form at the low carbon content, and Cr and Mo element mainly dissolves into vanadium carbides.

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  • 采用比色测定磷酸含量

    Phosphorus content in zinc phosphate is determined by phosphorus vanadium molybdate yellow colorimetric method.

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  • 湖南西北部下寒武统木昌黑色系中蕴藏着丰富金属矿床及其伴生的贵金属矿化。

    The black rock series in the Muchang formation of Lower Cambrian contains abundant NiMoV polymetallic deposits and associated precious metal mineralizations in northwest Hunan.

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  • 给出白钨矿、氧化冶炼工具钢工艺要点

    Technological essentials for the smelting tool steels with scheelite, molybdenum oxide and vanadium slag are also given in this paper.

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  • 催化剂

    We want to buy spent catalyst which contained V, Mo.

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  • 划分岩性组合序列分别赋存着镍钼-金银-银矿化。

    They can be divided into two types of lithological association sequences, respectively hosting NiMoAuAg mineralization and VAg mineralization.

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  • 新型模具钢材料SKD61一种含硅、铬、合金热作模具钢

    The new-style of SKD61 steel is a medium alloy hot-mold steel.

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  • 结果表明法均用于酸酶酶活的测定同样有效法相对快速、简便。

    Results showed that above two methods could used to detect the phytase activity, and had a same effect, but molybdenum-vanadium method was a more quick and brief one.

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  • 合金元素含量偏低工件热处理回火充分会影响到裂纹产生,并提出了相应预防措施

    The low content of alloying elements (Mo, V) and tempering insufficiency of parts also affect the generation of the crack. Preventive measures are proposed to decrease or eliminate the crack.

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  • 探讨焊条 药 皮中石墨、钛铁、铁、铁等组分含量焊条工艺性堆焊硬度影响

    The effect of content of graphite, FeTi, FeV and FeMo in the coat on hardness of hardfacing metal was also discussed.

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  • 提高新型汽车发动机排气耐磨性,第一汽车制造厂研制了铌铬铸铁排气门座。

    To enhance the anti-wearing ability of exhaust valve seat for a new engine, a Nb-Cr-Mo-V cast iron value seat has been developed in the First Automobile Works.

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  • 结果表明磷杂多化合物络合物乙苯催化氧化反应理想催化剂,具有良好应用前景。

    The results showed that the molybdovanado phosphate heteropoly compound and cobalt complex were good catalysts for the catalytic oxidation of

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  • 结果表明磷杂多化合物络合物乙苯催化氧化反应理想催化剂,具有良好应用前景。

    The results showed that the molybdovanado phosphate heteropoly compound and cobalt complex were good catalysts for the catalytic oxidation of

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