共搜索到5564条信息，每页显示10条信息，共557页。用时：0小时0分0秒468毫秒
on minimum gradient support function ZHANG Zhi-yong1, ZHOU Feng2, LI Ze-lin2 (1. School of Geosciences and Info-Physics, Central South University, Changsha 410083, China; 2. Key Laboratory of Nuclear... was implemented using minimum gradient support function. The boundary approximation, matrix rearrangement and fill-in element analysis algorithm based on graph theory were adopted to complete the fast algorithm......
Preparation of High-Strength Al–Mg–Si/Al2O3 Composites with Lamellar Structures Using Freeze Casting and Pressureless Infiltration TechniquesPing Shen,Juwei Xi,Yujie Fu,Alateng Shaga,Chang Sun... alumina scaffolds with the initial solid loadings of 20, 25, and 30 vol% were prepared by freeze casting using 5 lm alumina powders. With the addition of 3 wt% Mg O–Al2O3–Si O2 nanopowders in a eutectic......
than the original one was proposed. 3) Three tree models were compared and a gradient boost decision tree (GBDT) was selected for the final picture detection. Three sets of experimental results show...; gradient boost decision tree Cite this article as: MAO Xing-liang, LI Fang-fang, LIU Xi-yao, ZOU Bei-ji. Detection of artificial pornographic pictures based on multiple features and tree mode [J......
Characterization of lattice parameters gradient of Cu(In1-xGax)Se2 absorbing layer in thin-film solar cell by glancing incidence X-ray diffraction techniqueYong-Il Kim1,Ki-Bok Kim2,Miso Kim21... from 5.7776(3) to 5.6905(2) ?,and 11.3917(3) to 11.2114(2) ?,respectively.The depth profile of the lattice parameters as a function of the incident angle was consistent with vertical variation......
Trans. Nonferrous Met. Soc. China 22(2012) s143-s147 Growth interface of In-doped CdMnTe from Te solution with vertical Bridgman method under ACRT technique DU Yuan-yuan1, JIE Wan-qi1, ZHENG Xin1... Abstract: CdMnTe (CMT) crystals were grown from Te solution with vertical Bridgman method under accelerated crucible rotation (ACRT) technique. Ingot in diameter of 30 mm and length of 60 mm......
Vertical Bridgman Seeded Growth of Cd1-xZnxTe Crystals侯清润,陈纪安,赵乐敏,张新敏摘 要:ＶｅｒｔｉｃａｌＢｒｉｄｇｍａｎＳｅｅｄｅｄＧｒｏｗｔｈｏｆＣｄ＿(１－ｘ)Ｚｎ＿ｘＴｅＣｒｙｓｔａｌｓＨｏｕＱｉｎｇｒｕｎ；ＣｈｅｎＪｉ＇ａｎ；ＺｈａｏＬｅｍｉｎａｎｄＺｈａｎｇＸｉｎｍｉｎ(侯清润),(陈纪安),(赵乐敏),(张新敏)(Ｎｏｒｔｈ...关键词:......
Through-thickness texture gradient of tantalum sputtering targetChao Deng,Shi-Feng Liu,Xiao-Bo Hao,Jing-Li Ji,Qing Liu,Hai-Yang FanCollege of Materials Science and Engineering, Chongqing University摘... gradient of a rolled and subsequently annealed tantalum sputtering target was investigated. The results show that by carefully controlling the rolling process, shear-related components at the surface......
J. Cent. South Univ. (2017) 24: 17-29 DOI: 10.1007/s11771-017-3404-1 Soft measurement model of ring’s dimensions for vertical hot ring rolling process using neural networks optimized by genetic... Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: Vertical hot ring rolling (VHRR) process has the characteristics of nonlinearity, time-variation and being......
and vertical grooved substrates induced by a wettability gradient [J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects,2013, 434: 126-135. [9] MEYYAPPAN S, SHADNAM M R, AMIRFAZLI A. Fabrication...Trans. Nonferrous Met. Soc. China 25(2015) 2301-2307 Preparation of gradient wettability surface by anodization depositing copper hydroxide on copper surface Jiang CHENG, Yi-fei SUN, An ZHAO, Zi-heng......
......
