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middle oxide layer is confirmed to be Cr2O3, and the innermost layer consists of discontinuous SiO2. Key words: Ni-based superalloy; rare earth element; high temperature oxidation; multi-layered oxides 1... to high temperature and an oxygen-containing environment will produce oxides on the surface, such as Ta2O5, WO3, TiO2, Cr2O3 and Al2O3 [7-11]. However, Cr2O3 oxide can effectively obstruct the base......
Role of the Bandgaps on Some Interfacial Phenomena with Ionocovalent Oxides李建国摘 要:<正> Many ionocovalent oxide materials are either semiconducting or insulating in nature.One of the most im-portant quantities characterising these materials,therefore,is the bandgap energy.The thermodynamic ap-proaches to the bandgaps of oxides are briefly described......
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Tribological properties of nanometer cerium oxide as additives in lithium greaseQiang He,Anling Li,Yachen Guo,Songfeng Liu,Yong Zhang,Linghao KongDepartment of Mechanical Engineering, Anyang Institute of Technology摘 要:This paper presents a comparative study of the influence of nanometer-CeO2(nano-CeO2) and temperature on tribological and lubricating......
Tribological Properties of Polyvinyl Mcohol Hydrogel Reinforced with Nanometer Hydroxy Apatite吴刚摘 要:<正>As a potential artificial cartilage material,the friction and wear properties of nano-hydroxy apatite(HA)particles filled poly(vinyl alcohol)hydrogel(PVA-H)composites sliding against stainless steel disk under water lubrication condition were......
Tribological properties of nanometer cerium oxide as additives in lithium greaseQiang He,Anling Li,Yachen Guo,Songfeng Liu,Yong Zhang,Linghao KongDepartment of Mechanical Engineering, Anyang Institute of Technology摘 要:This paper presents a comparative study of the influence of nanometer-CeO2(nano-CeO2) and temperature on tribological and lubricating......
%. Key words: CeO2-MnOx/CF mixed oxides catalyst; VOCs; catalytic oxidation; influencing factors 随着我国经济高速发展,能源消耗持续加快,大量污染物排放到大气环境中,导致全国连续爆发灰霾等区域性大气污染事件[1].挥发性有机污染物(VOCs)是二次气溶胶[2],PM2.5和O3[3]形成的关键前驱体,"十三五... S A C, CHEN X, MARTYNYUK O, et al. Gold supported on metal oxides for volatile organic compounds total oxidation[J]. Catalysis Today, 2015, 244: 103-114. [22] CHEN Jin, CHEN Xi, CHEN Xi, et al......
Study on Properties of Ti(C,N)/TiN Multi-Element-layer Films Plus Nanometer Lubrication Dry Films ZHU You-li1,LI Chang-qing1,Ma Shi-ning1,HUANG Yuan-lin1 (1.State Key Laboratory for Remanufacturing... the coefficient of friction, nanometer lubrication dry films was applied on top of the multi-element-layer films to form composite films system and subsequent wear tests showed that the resulting......
speed of 800 r/min. Key words:Lead-zinc oxides ore; Thermal dissolved sulfuration; Sulphidiz-ing ratio; Disproportionation reaction; First-order reaction; [全文内容正在添加中] ......
Study on Catalysts with Rhodium Loading on Different Cerium-Zirconium Mixed Oxides朱增赞,李兵,张爱敏,卢军,赵云昆摘 要:<正>The catalysts with Rh loading on different cerium-zirconium mixed oxides were characterized by BET, H2-TPR and OSC. The effects of different cerium-zirconium mixed oxides on catalytic performance and thermal stability of Rh loaded catalyst......
