共搜索到24950条信息,每页显示10条信息,共2495页。用时:0小时0分0秒453毫秒
Inner-product of strain rate vector through direction cosine in coordinates for disk forging ZHAO De-wen(赵德文), JIN Wen-zhong(金文忠), WANG Lei(王 磊), LIU Xiang-hua(刘相华) State Key Laboratory... strain rate for disk forging with bulge was expressed in terms of two-dimensional strain rate vector, and then its direction cosines were determined by the ratio of coordinate increments. Furthermore......
than that of coarse ore area when the applied rate is below 3.2 L/min, and the preferential solution flow happens in fine ore area. But the preferential solution flow happens in coarse ore area when the applied rate is higher than 3.2 L/min. The result of the experiment is consistent with the mechanism analyzing. Key words: low-grade ore; preferential solution flow; permeability; surface tension......
Article ID: 1003-6326(2005)05-1009-05 Solution for slab forging with bulge between two parallel platens by strain rate vector inner-product integration and series expansion ZHAO De-wen(赵德文.... In the present paper, the aim is to seek analytical solution by so-called inner-product of strain rate vector[6, 7], and then compare it with traditional immediate integration[8-10]. 2 STRAIN RATE......
J. Cent. South Univ. (2017) 24: 1396-1405 DOI: 10.1007/s11771-017-3544-3 An efficient rate control algorithm for JPEG2000 based on reverse order A. Etesaminia1, A. H. Mazinan2 1. Department... Abstract: The JPEG2000 image compression standard is the powerful encoder which can provide phenomenal rate-control performance. The post-compression rate-distortion (PCRD) algorithm in JPEG2000......
......
Trans. Nonferrous Met. Soc. China 25(2015) 3189-3196 Effects of cooling rate on solution heat treatment of as-cast A356 alloy Chang-lin YANG, Yuan-bing LI, Bo DANG, He-bin , Feng LIU State Key... morphology evolution and tensile properties of the alloy samples were observed and analyzed after solution heat treatment at 540 °C for different time. The results show that the high cooling rate......
Effect of solidification rate on MC-type carbide morphology in single crystal Ni-base superalloy AM3 YU Zhu-huan (余竹焕)1, 2 , LIU Lin(刘 林)1, ZHAO Xin-bao(赵新宝)1, ZHANG Wei-guo(张卫国)1, ZHANG Jun(张 军...’an University of Science and Technology, Xi’an 710054, China Received 11 November 2009; accepted 21 March 2010 Abstract: In order to study the effect of the withdrawing rate on carbide morphology, MC-type......
Uniform AlF3 thin layer to improve rate capability of LiNi1/3Co1/3 Mn1/3O2 material for Li-ion batteries WANG Hai-yan(王海燕), TANG Ai-dong(唐爱东), HUANG Ke-long(黄可龙), LIU Su-qin(刘素琴) School... precipitation method to improve its rate capability. The samples were characterized by X-ray diffractometry (XRD), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), charge-discharge......
J. Cent. South Univ. Technol. (2008) 15(s1): 043-046 DOI: 10.1007/s11771-008-311-5 Constitutive model depending upon temperature and strain rate of carbon constructional quality steels YANG Liu... the same temperature and different strain rates, and the same strain rate and different temperatures were done on 20 steel, 35 steel and 45 steel. 52 groups of rheological stress-strain curves were......
......