With the combination of modern quantitative analysis method and enterprise inputoutput model,in this paper we make a scientific analysis on the effect to product profit tax from the change of internal and external imp...With the combination of modern quantitative analysis method and enterprise inputoutput model,in this paper we make a scientific analysis on the effect to product profit tax from the change of internal and external important factors of enterprise,and some important results hare been given.展开更多
Arch dam deformation is comprehensively affected by water pressure,temperature,dam's structural behavior and material properties as well as other factors.Among them the water pressure and temperature are external ...Arch dam deformation is comprehensively affected by water pressure,temperature,dam's structural behavior and material properties as well as other factors.Among them the water pressure and temperature are external factors(source factors)that cause dam deformation,and dam's structural behavior and material properties are the internal factors of deformation(resistance factors).The dam deformation is the result of the mutual game playing between source factors and resistance factors.Therefore,resistance factors of structure and materials that reflect resistance character of arch dam structure are introduced into the traditional model,where structure factor is embodied by the flexibility coefficient of dam body and the maximum dam height,and material property is embodied by the elastic modulus of dam.On the basis of analyzing the correlation between dam deformation and resistance factors,the game model of safety monitoring for arch dam deformation is put forward.展开更多
文摘With the combination of modern quantitative analysis method and enterprise inputoutput model,in this paper we make a scientific analysis on the effect to product profit tax from the change of internal and external important factors of enterprise,and some important results hare been given.
基金Supported by the National Natural Science Foundation of China(Grant Nos.50809025,50539110,50539010,50539030)the National Science and Technology Supporting Plan(Grant Nos.20006BAC14B03,2008BAB29B06,2008BAB29B03)
文摘Arch dam deformation is comprehensively affected by water pressure,temperature,dam's structural behavior and material properties as well as other factors.Among them the water pressure and temperature are external factors(source factors)that cause dam deformation,and dam's structural behavior and material properties are the internal factors of deformation(resistance factors).The dam deformation is the result of the mutual game playing between source factors and resistance factors.Therefore,resistance factors of structure and materials that reflect resistance character of arch dam structure are introduced into the traditional model,where structure factor is embodied by the flexibility coefficient of dam body and the maximum dam height,and material property is embodied by the elastic modulus of dam.On the basis of analyzing the correlation between dam deformation and resistance factors,the game model of safety monitoring for arch dam deformation is put forward.