共搜索到22429条信息，每页显示10条信息，共2243页。用时：0小时0分0秒578毫秒
) and KOH activation of camphor leaves and camellia leaves. The morphology, pore structure, chemical properties and CO2 capture ability of the porous carbon prepared from the two leaves were compared... and the ability to capture CO2. The porous carbon materials prepared from camellia leaves at the HTC temperature of 240℃ had the highest proportion of microporous structure, the largest specific surface area(up......
of port structure, surface morphology and Tafel polarization curves. The corrosion resistance of porous Ni3Al intermetallics was compared with that of porous Ni. The results show that the mass loss...-hui, JIANG Yao. Effect of pressing pressure on pore structure and filtering performance in porous TiAl alloy[J]. Materials Science and Engineering of Powder Metallurgy, 2006, 11(4): 214-218. [14] 贺跃......
-wei, WAN Jiang. Pressure condition for formation of lotus-type regular porous structure and evolution of pore size[J]. Acta Metallurgica Sinica, 2005, 41(8): 886-890. [2] NAKAJIMA H, HYUN S K, OHASHI K... on structure of porous metals fabricated by continuous casting Gasar process[J]. Acta Metallurgica Sinica, 2010, 46(2): 129-134. [19] 崔忠圻. 金属学与热处理[M]. 北京: 机械工业出版社, 2000. CUI Zhong-qi. Metallurgy and heat......
are much larger than that of paraffin-based composite with ordinary SiOC. It is found that the porous structure of SiOC is crucial to achieve its high microwave absorption performance by improving both...3D carbon network supported porous SiOC ceramics with enhanced microwave absorption propertiesChen Chen,Sifan Zeng,Xiaochun Han,Yongqiang Tan,Wanlin Feng,Huahai Shen,Shuming Peng,Haibin......
of Sciences, P.O.Box 165, Taiyuan ,030001, China) Abstract:Porous structure and surface chemistry of activated carbon fibers obtained by differ-ent precursors and activation methods were investigated... A CFs were performed. Rayon-based A CFs contained more oxygenthan PAN-ACFs, which may be attributed to their excellent adsorption capacity forformaldehyde. Key words:activated carbon fiber; porous......
material with interconnected porous structure was prepared by the impregnation technique using organic polyurethane sponges as template. The influences of pretreated sponge, dipping time length, pore...Preparation and properties of a new porous ceramic material used in clean energy fieldShuming Wang,Xiaofang Zhang,Fenghua Kuang,Jiangshan Li,Yanxin Wang,Ruiping Wang,Yanru Wang,Xin Lin,Jianming......
, Shandong University, Jin’an 250061, China Received 29 September 2013; accepted 25 March 2014 Abstract: The fabrication of a new type of one-dimensional Au-Ag porous nanotube (NPT) structure was presented... mL HAuCl4, nanotubes fabricated from 2 mL HAuCl4 have a thicker tube wall and complete porous structures. Since both Ag and Au have a face-centered cubic structure and little mismatch in cell lattice......
insulation because of their porous structure, and exhibit excellent mechanical properties because of the toughening effect of the Pt particles and because of stress relaxation induced by deformation of the porous structure.关键词:......
Trans. Nonferrous Met. Soc. China 25(2015) 1200-1205 Evolution of porous structure with dealloying corrosion on Gasar Cu-Mn alloy Xing-ming ZHANG1, Yan-xiang LI1,2, Hua-wei ZHANG1,2, Yuan LIU1,2 1..., Beijing 100084, China Received 17 April 2014; accepted 13 July 2014 Abstract: The evolution of nanoporous structure with dealloying condition was investigated, thus, the mechanism of porous structure......
Effect of nanoclay on properties of porous PVdF membranes Hae-Young HWANG1, Deuk-Ju KIM1, Hyung-Jun KIM2, Young-Taik HONG3, Sang-Yong NAM1 1. School of Materials Science and Engineering... method to improve the mechanical strength in porous membrane supports, especially in a separator. Key words: Li-ion battery; separator; poly(vinylidene fluoride); nanocomposite 1 Introduction......
