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- Direct reduction iron powders could be used as raw feed for steelmaking by electric furnace sfter cold bounding. 该工艺为硫酸烧渣的利用开辟了新的途径。
- Experimental Research on Carbon Reduction Procedure of Reduction Iron Powder Prepared by Ultra-pure Iron Concentrate Powder 超纯铁精矿粉制备还原铁粉碳还原过程试验研究
- Reduction iron powder 还原铁粉
- The preparation of superfine iron powder by reduction of nano-sized ferric oxide with H_2 at different tempareture for different time was investigated. 本文探讨了用纳米氧化铁粉末还原来制取微细铁粉的工艺。
- The reduction rate of ferric oxide powder and specific surface area of superfine iron powder were measured, compared and analyzed. 研究表明纳米氧化铁粉活性高,还原温度低,可获得微细铁粉;测量了各个温度和时间下反应的还原率和所得粉末的比表面积,并进行了比较和分析。
- Results show that nano-sized ferric oxide has high reactivity, lower reduction temperature for superfine iron powder preparation. 用纳米氧化铁粉末作原料,分别在不同的温度,不同的还原时间下,用氢气还原来制备微细铁粉。
- The reduction rate of ferric oxide powder and specific surface area of superfine iron powder were measured,compared and analyzed. 测量了各个温度和时间下反应的还原率和所得粉末的比表面积,并进行了比较和分析。
- To improve the synthetic technology,albendazole is synthesized from carbendazole by sulfochlorination,reduction of iron powder and thiolation under alkalinious catalyst condition. 以价廉易得的农药多菌灵为原料,经氯磺化、铁粉还原、碱催化条件下硫醚化合成了阿苯达唑,并对氯磺化、还原和硫醚化工艺进行改进。
- The difference of 0.013% implies little pollution coming from the reduction and milling processes. A high-grade reduced iron powder containning 0.12-0.15% AIC may be prepared if the AIC of ore powder is controlled to be less than 0.07%. 若严格控制选矿过程;将精矿粉AIC控制在0.;07%25左右;并防止还原时可能造成的污染;有可能得到AIC为0
- The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied. 以苯酚为原料,复合金属离子为催化剂,研究用气相氧化合成苯醌,用铁粉还原苯醌制对苯二酚的两步法工艺,考察了氧化过程中的工艺条件对反应的影响。
- The wastewater generated from 2,4-xylidine production by iron powder reduction process has been treated with a close recycle technology with steam stripping,realizing zerodischarge of the wastewater. 对铁粉还原法生产2，4-二甲基苯胺过程中产生的废水，采用蒸发为水蒸气后回用于汽提的全循环工艺，可实现零排放。
- The characteristics and the smelting functions of direct reduction iron (DRI) in EAF have been comprehen sively reviewed and discussed in this paper. 对直接还原铁 (DRI)性能及其在电弧炉冶炼的特性作了较全面的论述。
- The characteristics and the smelting functions of direct reduction iron (DRI) in EAF have been comprehensively reviewed and discussed in this paper. 对直接还原铁(DRI)性能及其在电弧炉冶炼的特性作了较全面的论述。
- Abstract： N-（3-Amino-4-methoxyphenyl）acetamide is an important intermediate for the production of azo disperse dyes，while it is still produced by reduction with iron powder in industry currently. 摘 要： N-（3-氨基-4-甲氧基苯基）乙酰胺是生产偶氮型分散染料的一类重要中间体。现有的工业生产方法仍全部采用铁粉还原。
- By retort mechanism of direct reduction,the preparation direct reduction iron with scale oxide is studied in the laboratory. 利用罐式法直接还原原理在试验室进行了氧化铁鳞制取直接还原铁的研究。
- Iron powder and admixture will be fed onto auxiliary materials stockyard by belt conveyor. 铁粉、混合材经破碎系统输送皮带机送入辅助原料堆场。
- The effects of binder and damp mill on green balls,the process for preheated pellets with high strength and easy reduction,and coal-based direct reduction iron(DRI) were studied. 以新疆磁铁精矿为原料,采用“一步法”直接还原,研究粘结剂种类和润磨方式对生球质量的影响,高强度、高还原性预热球团的制备及煤基直接还原的工艺。
- WATER ATOMIZED IRON POWDERS AT TONGMUO NEW MATERIAL CO. 东睦新材料公司应用水雾化铁粉的现状。
- The quality of iron powders in the world are evaluated. 分析了国内外铁粉生产品种和质量水平;
- We are the leading manufacturer of ferrites, magnets and Iron Powder cores as well as Iron Powder automobiles parts. 本公司是一家专业生产铁氧体、磁铁、铁粉芯以及粉末冶金汽配件的龙头企业。
