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): 50-56. [25] 张义华．钛基催化材料的合成,表征和选择氧化性能研 究[D]. 大连: 大连理工大学, 2001. ZHANG Yi-hua. Study on synthesis, characterization and selective oxidation of titanium-based catalytic materials[D]. Dalian: Dalian University......
.铝土矿矿石可分为致密状,碎屑状,半土状,豆鲕状四种类型 [9-10],矿石成分以硬水铝石,绿泥石为主,含部分高岭石,伊利石,黄铁矿,含少量锐钛矿,长石,石英等矿物 [11-16],伴生元素Ga,Li,Sc达到综合利用标准 [17],具有一定的开发潜力.矿石演化过程为致密状→碎屑状→豆鲕状→半土状 [18], 矿石品位依次为半土状>碎屑状>豆鲕状>致密状,但豆鲕状铝土矿矿石中亦有品......
0.78-18.2m [8],区域变化较大.含矿岩系与上覆二叠系梁山组(P1l)泥页岩或栖霞组(P2q)灰岩,下伏石炭系黄龙组(C2h)灰岩或志留系韩家店组(S1hj)页岩均为平行不整合接触.铝土矿矿石可分为致密状,碎屑状,半土状,豆鲕状四种类型 [9-10],矿石成分以硬水铝石,绿泥石为主,含部分高岭石,伊利石,黄铁矿,含少量锐钛矿,长石,石英等矿物 [11-16],伴生元素Ga,Li,Sc达到综合利......
for aqueous gelcasting alloy Ni-362-3 STAMPFL等[65]将MoldSDM(Mold shape deposition manufacturing)模具制造工艺与凝胶注模成型技术相结合,在快速分层制备的腊模内通过浇注高固相体积分数的金属粉末料浆,成功制备出形状复杂的不锈钢叶轮,烧结后该叶轮的微观结构及力学性能优良,可与传统粉末冶金工艺制件媲美.图......
presented in Ref. [52] consists of a wrapped screen mesh, made of single-plaited stainless steel. Stainless steel is a steel alloy composed of iron and different proportions of chromium, which is responsible......
to the excessive consumption of the outer Cr-Al-Si alloy coating and there are also some defects appearing in the SiO2 glass layer. SHI et al [67] prepared a La-Mo-Si-O-C coating on the surface of porous SiC pre......
testing procedure. In addition, it is environmentally significant to carry out this research as the silica fume is the waste from the metal and alloy production industry, while nano- silica can......
for recovering rare metals from metal/alloy-wastes by grinding and washing with water[J]. Journal of Hazardous Materials, 2007, 139(3): 438-442. [75] WANG Mengmeng, ZHANG Congcong, ZHANG Fushen.... Removal of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite[J]. Hydrometallurgy of China, 2006, 25(4): 198-201. [83] 邓永贵, 陈启元, 尹周澜, 等. 锌浸出液针铁矿法除铁[J]. 有色金属, 2010, 62(3......
alloy surface is more conducive to the proliferation of osteoblasts [22]. Table 3 Effects of sintering temperature on porosity, density, and flexural properties of 3DP HAAW composites Table 4......
forces from rock blocks. Cutters today can either incorporate hard, fine grained carbides into the matrix of the disc material or apply a hardened coating of alloy powder on the steel substrate......
