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of 700 r/min. Besides, the addition of 2, 2’-bipyridine and potassium ferrocyanide can lead to the spherical particles of selenium and bismuth product. Key words: selenium; bismuth; electrodeposition; mass transfer-controlled; recovery; spherical particles Foundation item: Projects(51774261, 51674230) supported by the National Natural Science Foundation of China Received date: 2018-01-25......
-sized second-phase particles. And with the increase of submicro-sized second-phase particles size and the decrease of grain size, the fatigue cracks propagate much slowly, reducing by 30% or more...: 2E12 aluminum alloy; fatigue crack propagation; grain; micro-sized second-phase particles; submicro-sized second-phase particles ......
是室温附近磁制冷合适的工作物质. 关键词:多晶材料; 磁热效应; 磁熵变; 钙钛矿结构; polycrystalline particles materials; magnetocaloric effect; magnetic entropy change; perovskite manganite; [全文内容正在添加中] ......
; particles flow; screening; 3D discrete element method; numerical simulation; [全文内容正在添加中] ......
; 文章编号:1672-7207(2007)02-0276-05 Preparation and characterization of LaMnO3 nano-particles doped with Sr and Fe as microwave absorption material ZHOU Yi-ping1, ZHOU Ke-sheng1, WANG Da1, 2, YIN...; nano- particles 稀土元素由于其独特的电子结构,因而具有优异的电,磁,光和催化性能,被认为是新材料的宝库.近几年来,掺杂的稀土-过渡金属氧化物......
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; nanometer particles particles in the film. Monnerau et al[12] prepared stable β-Bi2O3 at room temperature with the decomposition of different bismuth(Ⅲ) oxalate precursors by controlled transformation rate thermal......
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过钙化转变为编织骨.植入三个月后,出现由骨桥连接的"骨岛",β-TCP陶瓷降解,并被新骨分散.植入六个月后,新的骨髓腔形成,编织骨变成板层骨.八个月后,在哈弗氏骨板上出现材料颗粒,形成典型的松质骨结构.因此,无生命的钙磷材料在体内可以参与有生命的组织活动. 关键词:无机非金属材料; β-TCP生物陶瓷; β-TCP植入; 界面; 成骨作用; 生物降解; inorganic non-metallic materials; β-tricalcium phosphate; β-TCP ceramics implant; interface; osteogenesis; biodegradation; [全文内容正在添加中] ......
