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Relationship between Atmospheric Dew Point and Sinterability of Al-Si Based AlloyA. Manonukul1,A. Salee2摘 要:AleSi based alloys are interestingly used to produce automotive components. Fabrication of such components by powder metallurgy (PM) has been develo......
Thermal stability and mechanical properties of Gd-Co-Al bulk glass alloys CHEN Ding(陈 鼎)1, 2, A. Takeuchi2, A. Inoue2 1. Institute for Metal Research, Hunan University, Changsha 410082, China; 2. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan Received 15 July 2007;......
; (4) Mesophilic bacteria such as Acidithiobacillus ferrooxidans, Leptosprillum ferrooxidans and Acidithiobacillus thiooxidans operating at t≤40 ℃ are the most commonly used microorganisms for the bioleaching of sulphide minerals[6]. Thermophilic bacteria with their ability......
Trans. Nonferrous Met. Soc. China 30(2020) 972-981 Microstructural evaluation and tribological properties of underwater friction stir processed CP-copper and its alloy A. MOAREF1, A. RABIEZADEH2 1. Department of Mechanical Engineering, Shiraz Branch, Islamic Azad University, Shiraz, Iran; 2. Departm......
Effect of hot working and post-deformation heat treatment on microstructure and tensile properties of Ti-6Al-4V alloy S. M. ABBASI1, A. MOMENI2 1. Mechanical Department, KNT University of Technology, Tehran, Iran; 2. Department of Mining and Metallurgy, AmirKabir University of Technology, Tehra......
提高低钒白口铸铁机械性能的研究王克非,王世俊华东冶金学院摘 要:为提高低钒白口铸铁的机械性能,采用稀土和75硅铁作为变质剂.进行变质处理,使铸铁的铸态碳化物呈断网状并聚化,细化了基体组织,改善了晶界状态.经热处理后,低钒白口铸铁冲击值可达18.78J/cm2,比变质前提高了127%关键词:低钒白口铸铁;变质处理;机械性能;热处理;......
consortium of bioleaching bacteria including Acidithiobacillus caldus, A. thiooxidans, A. ferrooxidans, Sulfobacillus thermosulfidooxidans, Acidiphilium spp., and Ferroplasma thermophilum cultured.... DX1-1 promoted the growth of Ferroplasma L1, inhibited that of S. thermosulfidooxidans ST, and exerted little effect on that of A. ferrooxidans CMS. Genes encoding ADP heptose, phosphoheptose isomerase......
铝和镁的半固态成形A.I"Ed"Nussbaum摘 要:<正> 目前,已采用半固态成形法(SSF)生产高质量铝和镁零件,尤其是在汽车制造工业中.半固态金属加工工艺与常规的铸造工艺相比有如下的优点:关键词:......
铅的应用A.Couture,于工摘 要:<正> 铅以金属及化合物两种形式应用,在世界范围内在铅酸电池中应用的铅量最大,以金属及化合物形式使用的铅量大体相等.关键词:......
)能氧化闪锌矿离解生成的单质硫,反应72 h时,生物发电比例达31.72%. 关键词:氧化亚铁硫杆菌;发电浸出;闪锌矿 中图分类号:TF 111.3 文献标识码:A Electrogenerative leaching for sphalerite-MnO2 in presence of A. ferrooxidans WANG... cell system was used to study the electrogenerative leaching for sphalerite-MnO2 in the presence of or in the absence of Acidithiobacillus ferrooxidans (A. ferrooxidans). The polarization of anode......