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of polycrystals[J]. J Iron Steel Inst, 1953, 174: 25-28. [46] PANDE C S, RATH B B, IMAN M A. Effect of annealing twins on Hall-Petch relation in polycrystalline materials[J]. Mater Sci Eng A, 2004, 367: 171-175......
of Anshan Institute of Iron and Steel Technology, 1991, 14(3): 56-59. [8] 边文凤, 董正筑. 超静定桁架变形协调方程的新方法[J]. 计算力学学报, 2002, 19(2): 250-252. BIAN Wenfeng, DONG Zhengzhu. A new method for problem......
置上研究其在低温条件下对NOx及汞的协同控制,研究了SCR过程参与气体NH3与NO对催化剂的汞氧化过程的影响机理,考察了CeTi催化剂上氨法SCR过程与汞氧化过程间的相互影响,为利用现有的SCR脱硝设备实现NOx与汞的一体化控制提供理论基础. 1 实验方法 1.1 催化剂制备与表征 采用溶胶-凝胶法制备纯TiO2和CeO2/TiO2质量比为0.6的CeTi催化剂.首先将一定...为反应器进口及出口处Hg0的质量浓度;和分别为反应器进口及出口处NO的质量浓度. 2 结果与讨论 2.1 催化剂表征 催化剂比表面积如表2所示.从表2可见:与纯CeO2,TiO2以及浸渍法制备的CeTi催化剂相比,溶胶-凝胶法制备的CeTi催化剂具有更大的比表面积.催化剂XRD结果如图3所示.从图3可见:纯TiO2中存在锐钛矿及金红石2种晶相,CeTi催化剂中未检测到金红石......
of iron by chemical precipitation, besides valuable minerals like nickel and cobalt, the leach liquors tend to contain large numbers of other impurity ions, such as magnesium and calcium [1,2]. Much......
of cast iron material weights 1.9 kg. Therefore, the mass center of moving parts can be presented in Fig. 9. The trace of mass center relative to the cylinder body is shown in Fig. 9......
, zinc, galvanized iron and aluminum at 10 exposure stations in India[J]. Corrosion Science, 2006, 48(11): 3584-3608. [8] KOCH G H, BRONGERS M P, THOMPSON N G, VIRMANI Y, PAYER J. Corrosion costs......
. [36] 王 恒. 低碳球铁的耐磨和耐腐蚀性能研究[D]. 昆明: 昆明理工大学, 2012: 77-79. WANG Heng. Study on unwear and corrosion resistance properties of low-carbon ductile iron[D]. Kunming: Kunming University of Science......
] Poquillon D, Lemaitre J, Baco-Carles V, Tailhades Ph, Lacaze J. Cold compaction of iron powders-Relations between powder morphology and mechanical properties: Part I: Powder preparation and compaction......
Geng-xin.Use of iron oxide nanomaterials in wastewater treatment: A review [J]. Science of the Total Environment, 2012, 24: 1-10. [4] ZENG Guang-ming, HUANG Dan-lian, HUANG Guo-he, HU Tian-jue, JIANG......
-treatment[J]. Fuel and Energy Abstracts, 2011, 92(10): 1920-1928. [23] KUMAR P, SAHOO B K , DE S, KAR D D, CHAKRABORTY S, MEIKAP B C. Iron ore grindability improvement by microwave pre-treatment[J......