共搜索到20009条信息，每页显示10条信息，共2001页。用时：0小时0分0秒718毫秒
Luminescent Properties of Ca2 Y8 ( SiO4 ) 6O2:Eu3 + Phosphors Prepared by Spray Pyrolysis Process Shen Weiying1,Lin Jun1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute... starting materials, Ca2Y8 (SiO4 )6O2: Eu3+ phosphors were synthesized by spray pyrolysis.X-ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence (PL) spectra as well as lifetimes......
Effect of additional elements on aging behavior of Al-Zn-Mg-Cu alloys by spray forming LI Li(栗 丽)1, ZHOU Tie-tao(周铁涛)1, LI Huan-xi(李焕喜)1, CHEN Chang-qi(陈昌麒)1, XIONG Bai-qing(熊柏青)2, SHI Li-kai(石力... of spray formed Al-Zn-Mg-Cu alloys were investigated as a function of alloying element addition. It is revealed that the grains of the as-deposited alloys are refined with increasing Zn element, while......
Trans. Nonferrous Met. Soc. China 22(2012) s707-s711 Synthesis of tin nanoparticles through modified polyol process and effects of centrifuging and drying on nanoparticles Sang-Soo CHEE, Jong-Hyun..., extensive aggregation between Sn nanoparticles was observed after drying. However, the aggregation behavior did not further influence the melting point, because actual agglomeration did not occur......
of Electrical Engineering, Chinese Academy of Sciences, Beijing 100080, China摘 要:<正> A numerical analysis of the laser drying process by employing......
on microstructure of spray formed AZ91 Mg alloy GU Shi-zhen1, ZHOU Xiang-lin1, LI Yong-bing2, CUI Hua3, ZHANG Ji-shan1 (1. State Key Laboratory for Advanced Metals and Materials, University of Science... and Engineering, University of Science and Technology Beijing, Beijing 100083, China) Abstract: AZ91 and AZ91+2.0%Si Mg alloys were prepared by spray forming technology in protecting atmosphere......
Preparation and Research on Ultrafine Cerium-Manganese Aerogel by Supercritical Fluid Drying Technology欧阳俊波,张光德,余高奇,余秋兰,汪厚植摘 要:Using Ce2(CO3)3·6H2O and Mn(NO3)2 as raw material, the ultrafine Ce-Mn aerogel was prepared by sol-gel and supercritical fluid drying technology, and calcined the aerogel at 850 ℃ to obtain nanometer powder. The samples were......
Effects of laser heat treatment on salt spray corrosion of1Cr5Mo heat resistant steel welding jointsKONG De-jun(孔德军)1, 2, GUO Wei(郭卫)1(1. College of Mechanical Engineering, Changzhou University... joint was processed with CO2 laser, and the corrosion behaviors before and after laser heat treatment (LHT) were investigated in the salt spray corrosion environments. The microstructures, phases......
......
Tensile and high-cycle fatigue properties of spray formed Al10.8Zn2.9Mg1.9Cu alloys after two-stage aging treatment WANG Zi-xing(王资兴)1, 2, ZHANG Yong-an(张永安)1, ZHU Bao-hong(朱宝宏)1, LIU Hong-wei(刘... on the investigation of the tensile properties of spray formed ultra-high strength Al10.8Zn2.9Mg1.9Cu alloys, the high-cycle fatigue properties under different theoretical stress concentration factors were investigated......
在,且均匀密集包覆在CNTs表面,对甲基橙光降解具有较高光催化活性. 关键词:CNTs-TiO2气凝胶；溶胶-凝胶法；常压干燥法 中图分类号:O648 文献标志码:A Ambient pressure drying synthesis TiO2 aerogel doped with CNTs LU Bin1, SONG Miao1, ZHANG... Metallurgy, Central South University, Changsha 410083, China) Abstract: Monolithic TiO2 aerogels doped with CNTs were prepared by sol-gel method and subsequent process with ambient pressure drying using......
