共搜索到18243条信息，每页显示10条信息，共1825页。用时：0小时0分0秒574毫秒
Preparation and formation mechanism of Al2O3 nanoparticles by reverse microemulsion HUANG Ke-long(黄可龙), YIN Liang-guo(尹良果), LIU Su-qin(刘素琴), LI Chao-jian(李朝建) School of Chemistry and Chemical... of the Al2O3 nanoparticles were studied. With the increase of surfactant content, the particles size becomes larger. The agglomeration of nanoparticles was solved successfully. And the formation mechanisms......
......
Formation mechanism of external finned tubes by extrusion-plough method TANG Yong(汤 勇), LU Long-sheng(陆龙生), PAN Min-qing(潘敏强), LIU Xiao-kang(刘小康), LIU Xiao-qing(刘晓晴) College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China Received 20 April 2006; accepted 30 June 2006 Abstract: The formation mechanism of bulge on the work’s surface during......
J. Cent. South Univ. Technol. (2011) 18: 1178-1183 DOI: 10.1007/s11771-011-0820-5 Consensus tracking protocol and formation control of multi-agent systems with switching topology NIAN Xiao-hong(年... with a constant and time-varying reference state are proposed, respectively. Particularly, by contrast with spanning tree, an improved condition of switching interaction topology is presented......
Trans. Nonferrous Met. Soc. China 23(2013) 991-995 Formation condition of solid solution type high-entropy alloy Ming-xing REN1, Bang-sheng LI2, Heng-zhi FU2 1. Key Laboratory of Microsystems..., China Received 24 February 2012; accepted 26 July 2012 Abstract: Formation condition of high-entropy alloys with solid solution structure was investigated. Seventeen kinds of the high-entropy alloys......
method is utilized as a tool for the analysis of pile-soil systems in undrained condition. The computer program CRISP was developed to suit the problem requirements. CRISP uses the finite element... problem was solved in which the pile-soil system is analyzed in undrained condition. The pile is modelled as elastic-plastic material, while the soil is assumed to follow the modified Cam clay model......
Trans. Nonferrous Met. Soc. China 22(2012) 2357-2363 Effect of cooling condition on microstructure of semi-solid AZ91 slurry produced via ultrasonic vibration process ZHANG Liang1, WU Guo-hua1, WANG...-solid; ultrasonic vibration; microstructure; cooling condition 1 Introduction The semi-solid metal (SSM) processing, including thixoforming and rheocasting, is an effective net-shape forming process......
matter enrichment under a strong reducing condition. Deep-shelf, slope and deep-water basin are the best facies for the formation and preservation of organic matter, especially deep-water basin... Formation in South China QIN Ming-yang(秦明阳)1, 2, 3, GUO Jian-hua(郭建华)3, TAN Hui(谭慧)3, WU Shi-qing(吴诗情)3, BIAN Rui-kang(边瑞康)1 1. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective......
Melt film formation and disintegration during novel atomization process LIU Yun-zhong(刘允中)1, K. Minagawa2, H. Kakisawa2, K. Halada2 1. School of Mechanical Engineering, South China University.... The key concept of hybrid atomization is to control the liquid film formation on disk for fine powder production. Low-pressure gas atomization was utilized to promote the formation of a very thin......
J. Cent. South Univ. (2018) 25: 2766-2784 DOI: https://doi.org/10.1007/s11771-018-3952-z Characterization and formation mechanisms of fractures and their significance to hydrocarbon accumulation... accumulation and the regional tectonic background, type 1 is mainly driven by the tectonic formation mechanism, and type 3 and parts of low-angle fractures in type 2 are induced by the diagenetic......
