There are five changes in higher education across the world in the 21st century. The five changes include changes in the university students, changes in the professoriate, changes in academic administration, intematio...There are five changes in higher education across the world in the 21st century. The five changes include changes in the university students, changes in the professoriate, changes in academic administration, intemationalisation, and assessment of academic work. These changes are evident in higher education in China. The pressure of the changes -on lecturers will have effects on the wellbeing of lecturers. The study discusses the wellbeing under the Self-determination Theory. This theory views wellbeing as a state of happiness. This theory also proposes that people＇s intrinsic goals like personal growth, meaningful relationships, and community contributions can enhance the satisfaction of three basic needs--need for autonomy, need for competence, and need for relatedness. In this way, lecturers can experience a sense of wellbeing. The findings of the study are significant for leaders in higher education who need to implement policies that foster effective work environments.展开更多
A modified cellular automaton(CA) program was developed to simulate the process of dynamic recrystallization(DRX) for 23Co13Ni11Cr3Mo ultrahigh strength steel.In this model,influences of deformation parameters on hard...A modified cellular automaton(CA) program was developed to simulate the process of dynamic recrystallization(DRX) for 23Co13Ni11Cr3Mo ultrahigh strength steel.In this model,influences of deformation parameters on hardening rate and solute drag effect were considered.Moreover,an inverse analysis method was proposed for parameters identification of dislocation model and solute drag effect based on the results of isothermal compression tests on Gleeble-1500.Then,simulated microstructures under different deformation conditions were compared with those of experiments.A good agreement is achieved.Furthermore,influences of deformation parameters on microstructure evolution for 23Co13Ni11Cr3Mo steel were investigated in details.High strain is an effective measure to refine grain and improve homogeneity.Meanwhile,the desired deformation parameters are temperature of 1000-1050 °C and strain rate of 0.008-0.01 s-1 for obtaining grains smaller than 22.5 μm.展开更多
文摘There are five changes in higher education across the world in the 21st century. The five changes include changes in the university students, changes in the professoriate, changes in academic administration, intemationalisation, and assessment of academic work. These changes are evident in higher education in China. The pressure of the changes -on lecturers will have effects on the wellbeing of lecturers. The study discusses the wellbeing under the Self-determination Theory. This theory views wellbeing as a state of happiness. This theory also proposes that people＇s intrinsic goals like personal growth, meaningful relationships, and community contributions can enhance the satisfaction of three basic needs--need for autonomy, need for competence, and need for relatedness. In this way, lecturers can experience a sense of wellbeing. The findings of the study are significant for leaders in higher education who need to implement policies that foster effective work environments.
基金Project(2011CB706802)supported by the National Basic Research Program of ChinaProject(2012ZX04010-081)supported by National Science and Technology Major Program of China
文摘A modified cellular automaton(CA) program was developed to simulate the process of dynamic recrystallization(DRX) for 23Co13Ni11Cr3Mo ultrahigh strength steel.In this model,influences of deformation parameters on hardening rate and solute drag effect were considered.Moreover,an inverse analysis method was proposed for parameters identification of dislocation model and solute drag effect based on the results of isothermal compression tests on Gleeble-1500.Then,simulated microstructures under different deformation conditions were compared with those of experiments.A good agreement is achieved.Furthermore,influences of deformation parameters on microstructure evolution for 23Co13Ni11Cr3Mo steel were investigated in details.High strain is an effective measure to refine grain and improve homogeneity.Meanwhile,the desired deformation parameters are temperature of 1000-1050 °C and strain rate of 0.008-0.01 s-1 for obtaining grains smaller than 22.5 μm.
