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leaching with magnesium sulfate and a small amount of ferrous sulfate was proposed to an excellent alternative leaching agent for further studies,which may realize efficiency extraction...Reduction leaching of rare earth from ion-adsorption type rare earths ore with ferrous sulfate肖燕飞1,2,3,冯宗玉1,2,黄莉1,2,3,黄小卫1,2,陈迎迎5,龙志奇1,21. National Engineering Research Center for Rare Earth......
leaching with magnesium sulfate and a small amount of ferrous sulfate was proposed to an excellent alternative leaching agent for further studies,which may realize efficiency extraction...Reduction leaching of rare earth from ion-adsorption type rare earths ore with ferrous sulfate肖燕飞1,2,3,冯宗玉1,2,黄莉1,2,3,黄小卫1,2,陈迎迎5,龙志奇1,21. National Engineering Research Center for Rare Earth......
materials (with or without mineral admixture) plus 30% mass of limestone filler. After 28 days of curing in water at room temperature, the mortars were submerged in 2% magnesium sulfate solution... significantly improved resistances to sulfate attack. After 1 year of exposure to magnesium sulfate solutions, the formation of thaumasite was checked in the OPC mortars at both 5℃and 20......
, 14: 19-28. [29] Nadine, Pebere, Christian, Riera. Investigation of magnesium corrosion in aerated sodium sulfate solution by rlectrochemical impedance spedance spectroscopy [J]. Electrochimica Actia.... Compressibility and concentration fluctuations in liquid magnesium alloys [J]. J Phys C: Solid State Phys, 1973, 6: 2269-2278. [28] Klíma J, Frías-Ferrer A, González-García J, Ludvík J, Sáez V......
magnesium sulfate cement concrete(MC) when it was used in bridge widening, two specimens of widened box girders with MC and normal Portland cement concrete (NC) as joint materials were studied... resistance and load transfer performance than NC material. Key words: spliced box girder; basic magnesium sulfate cement concrete; failure load ratio; crack width; deflection 桥梁拓宽是一种提升桥梁通行能力的有效方式.桥梁拓宽关......
Preparation and property evaluation of electroless Ni-P coatings on AZ91D magnesium alloy LI Xue-song(李雪松)1, 2, ZHANG Wen-xue(张文雪)1, JIANG Zhong-hao(江中浩)1 1. Key Laboratory of Automobile... as the complexing agent, the Ni-P coatings on AZ91D magnesium alloy were prepared. The influence of pH value of the bath on the content of phosphorus, microhardness and corrosion resistance of the deposits......
New insights into the effect of Tris-HCl and Tris on corrosion of magnesium alloy in presence of bicarbonate,sulfate,hydrogen phosphate and dihydrogen phosphate ionsLan-Yue Cui1,2,Yan Hu1,2,Rong... magnesium(Mg) alloys at low cost. However, corrosion products deposited on Mg alloys exert a critical impact on corrosion resistance. There are no acceptable criteria on the evaluation on degradation rate......
Technology, 2006, 200(9): 3010-3015. [16] GU Chang-dong, LIAN Jian-she, LI Guang-yu, NIU Li-yuan, JIANG Zhong-hao. Electroless Ni-P plating on AZ91D magnesium alloy from a sulfate solution [J]. Journal... Effects of ultrasonic dispersion on structure of electrodeposited Ni coating on AZ91D magnesium alloy WU Hua(吴 化)1, ZHAO Guo-liang(赵国良)1, MU Jun-wei(穆君伟)2, LI Xue-song(李雪松)1, HE Yi(何 毅......
decomposition of magnesium sulfate ZHANG Ping1, 2, FENG Ya-li1, LI Hao-ran2, WANG Ping1, 2, LIU Xin-wei1, 2 (1. School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Key State Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Science, Beijing 100190, China) Abstract: Magnesium sulfate......
- and larger dimensionalgrowth units connect as basic magnesium sulfate whiskers,according to the structuralcharacteristics of the basic magnesium sulfate whisker,which can guide the synthesis of magnesium...Growth Habit of the Basic Oxysulfate Magnesium Whisker吴健松,高义民State Key Laboratory for Mechanical Behavior of Materials,Xi’an Jiaotong University摘 要: <上一页 1 2 3 4 5 6 7 8 9 10 ... 671 下一页 >