共搜索到4166条信息,每页显示10条信息,共417页。用时:0小时0分0秒847毫秒
] KHAZAEI FEIZABAD M H, SHARAFI S, KHAYATI G R, RANJBAR M. Effect of process control gent on the structural and magnetic properties of nano/amorphous Fe0.7Nb0.1Zr0.1Ti0.1 powders prepared by high energy......
maps of Qujiashan manganese deposit Figure 4 Photographs and micrographs of representative ores from Qujiashan deposit Rhodochrosite samples were crushed to 75 μm powders and reacted......
uniform mixing. Water has been added and mixed with the cementitious materials for additional 4 min, pursued by 2 min stopping period to clean any unmixed powders from the mixer paddle sides and adding......
higher transmission efficiency, but also has much higher adsorption capacity. FUENTES- QUEZADA et al [20] synthesized hard carbon powders with hierarchical mesoporous structure that it possessed......
temperatures [J]. Tribology International, 2008, 41: 584-602. [26] ZHOU Y H, HARMELIN M, BIGOT J. Sintering behavior of ultra-fine Fe, Ni and Fe-25wt.%Ni powders [J]. Scripta Metallurgica, 1989, 23: 1391-1396......
) in various volume fractions using squeeze casting and hot extrusion process. By adding more amount of SiC powders, the yield stress and UTS significantly increased, while the ductility was reduced......
of FeS2 (90.0%), FeSO4 (4.4%) and other minerals (5.6%). The main elements contained in the samples are shown in Table 1. The distribution size of mineral powders used in the experiments was less......
)×30 mm (length). The upper specimens are prepared by MoS2 coating with a thickness of approximately 150 μm. The average particle size of MoS2 powders is 30 μm. The coating A and coating B respectively......
-hua, CHOU Kuo-chih. Kinetics and mechanism of hydrogen reduction of ilmenite powders [J]. Journal of Alloys and Compounds, 2015, 619: 443-451. [6] LV Wei, LV Xue-ming, LV Xue-wei, XIANG Jun-yi, BAI......
powders by a modified Hummer’s method. In a typical synthesis, 5 g of graphite powder and 5 g of NaNO3 were added into 230 mL of 98% H2SO4 under stirring in an ice bath. 30 g of KMnO4 was slowly added......