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of dynamic behaviors shows that the model has three kinds of equilibrium points, which represent the patient’s complete recovery without immune ability, complete recovery with immune ability, and HBV...Research on viral dynamic models of hepatitis B virus infectionLequan Min and Xisong Dong Applied Science School, University of Science and Technology Beijing, Beijing 100083, China Information......
to the dynamic recovery occurs in the tungsten particles and the formation of a large number of lath subgrains. As the strain level increases to 0.6, an adiabatic shear band is formed in the specimen...颗粒在应变速率6000 s-1下的动态变形过程示意图 Fig. 11 Schematic diagram of dynamic deformation process of 90W-Ni-Fe alloy at strain rate of 6000 s-1 3 结论 1) 采用应变限位环的方法精确实现了90W-Ni-Fe合金动态冲击载荷下4个不同的应变条件......
fiber, polyester fiber and mineral fiber were used as additives for asphalt mixture, and the dosages were 0.3%, 0.3%, 0.4%, respectively. Dynamic modulus test using superpave simple performance tester (SPT) was adopted to study the dynamic modulus and phase angle for the control mixture and fiber-modified ones at various temperatures and frequencies. Test results show that the rheological......
magnesium alloy during hot deformation. Microstructure observation shows that dynamic recovery occurs in the initial stage of hot deformation. However, the microstructure turns to recrystallization... quantitative understanding of the dynamic softening during deformation. Two basic major dynamics softening processes are dynamic recovery and dynamic recrystallization, both the processes have a profound......
Trans. Nonferrous Met. Soc. China 25(2015) 1831-1839 Dynamic recrystallization mechanisms during hot compression of Mg-Gd-Y-Nd-Zr alloy Yi-ping WU1,2, Xin-ming ZHANG1,2, Yun-lai DENG1,2, Chang-ping..., China Received 25 July 2014; accepted 17 November 2014 Abstract: Hot compression tests were conducted on a homogenized Mg-7Gd-4Y-1Nd-0.5Zr alloy at 450 °C and a strain rate of 2 s-1. Dynamic......
J. Cent. South Univ. (2020) 27: 2043-2053 DOI: https://doi.org/10.1007/s11771-020-4429-4 Experimental study of dynamic resilient modulus of subgrade soils under coupling of freeze–thaw cycles and dynamic load ZHAO Yang(赵阳)1, 2, LU Zheng(卢正)1, 3, YAO Hai-lin(姚海林)1,GU Fan(顾凡)4, 5, DUAN Ya-hui(段亚辉)6 1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil......
simulation based on elasto-plastic dynamic explicit FEM under ABAQUS/Explicit environment. The results show that, the splitting spinning force and the splitting spinning moment increase with the increase... dynamic explicit FEM; ABAQUS/Explicit  ......
A dynamic model for railway freight overbookingFENG Fen-ling(冯芬玲), ZHANG Jia-qi(张佳琪), GUO Xiao-feng(郭晓峰) (School of Traffic and Transportation Engineering, Central South University, Changsha 410075, China)Abstract:In order to apply overbooking idea in Chinese railway freight industry to improve revenue, a Markov decision process (dynamic programming) model for railway freight reservation......
Extending dynamic models of mining subsidenceLIAN Xu-gang1, 2, Andrew JAROSZ2, Jose SAAVEDRA-ROSAS2, DAI Hua-yang1(1. College of Geoscience and Surveying Engineering, China University of Mining... classical prediction model of the dynamic subsidence, and proposed potential new research avenues offered by Cellular Automata (CA) models. The Knothe’s influence function model and the significance......
DYNAMIC MODEL AND SIMULATION OF EAF STEELMAKING PROCESS Q.Li1,X.Hong1 (1.Shanghai Enhanced Laboratory of Ferrometallurgy, Shanghai University, Shanghai,200072, China) Abstract:Based on mass and energy balances and theories of thermodynamics and kinetics, a dynamic model in conjunction with relative operation parameters was derived. With this model, the EAF process in later stage of scarp......