Many studies have investigated the influence of evapotranspiration and albedo and emphasize their separate effects but ignore their interactive influences by changing vegetation status in large amplitudes. This paper ...Many studies have investigated the influence of evapotranspiration and albedo and emphasize their separate effects but ignore their interactive influences by changing vegetation status in large amplitudes. This paper focuses on the comprehensive influence of evapotranspiration and albedo on surface temperature by changing the leaf area index (LAD between 30^-90~N. Two LAI datasets with seasonally different amplitudes of vegetation change between 30^-90~N were used in the simulations. Seasonal differences between the results of the simulations are compared, and the major findings are as follows. (1) The interactive effects of evapotranspiration and albedo on surface temperature were different over different regions during three seasons [March-April-May (MAM), June-July-August (JJA), and September-October-November (SON)], i.e., they were always the same over the southeastern United States during these three seasons but were opposite over most regions between 30°-90°N during JJA. (2) Either evapotranspiration or albedo tended to be dominant over different areas and during different seasons. For example, evapotranspiration dominated almost all regions between 30^-90~N during JJA, whereas albedo played a dominant role over northwestern Eurasia during MAM and over central Eurasia during SON. (3) The response of evapotranspiration and albedo to an increase in LAI with different ranges showed different paces and signals. With relatively small amplitudes of increased LAI, the rate of the relative increase in evapotranspiration was quick, and positive changes happened in albedo. But both relative changes in evapotranspiration and albedo tended to be gentle, and the ratio of negative changes of albedo increased with relatively large increased amplitudes of LAI.展开更多
Drug product internationalization(DPI) can be affected by multiple firm-level factors. However, existing studies mainly focus on a single or several factors and the deviation generated by the factors' effects on ea...Drug product internationalization(DPI) can be affected by multiple firm-level factors. However, existing studies mainly focus on a single or several factors and the deviation generated by the factors' effects on each other has been neglected. We aimed to study the comprehensive influences of firm-level factors on Chinese pharmaceutical firms that chose the DPI mode. Student's t tests and Chi Square tests were used to explore the differences between firms with or without DPI modes. Then, logistic regression analysis was used to explore the comprehensive impacts of these 16 variables. Through empirical research, we found the factors influencing the DPI mode of Chinese pharmaceutical enterprises and the firm-level factors that influenced DPI mode selection. This study showed that the capacity of enterprise's innovation and knowledge absorption were related to the mode selection. Moreover, the education of the top management team significantly contributed to the DPI mode selection of pharmaceutical firms. This study also provided theoretical and empirical evidence for pharmaceutical enterprises when choosing their DPI mode. The internationalization of Chinese pharmaceutical firms remained at the early stage. However, the internationalization of drug products from China would affect the international pharmaceutical supply in the long term.展开更多
Music is the soul of sports dance. Sports dance can be carried out smoothly by the accompaniment of music. Therefore the two should be in harmony and unity to perform the essence of sports dance totally. This article ...Music is the soul of sports dance. Sports dance can be carried out smoothly by the accompaniment of music. Therefore the two should be in harmony and unity to perform the essence of sports dance totally. This article tries analyzing the impact of music in sports dance teaching for students in physiological, psychological, creativity, imagination, aesthetic and so on to explore the important role of music in the development of students' comprehensive quality, in order to help sports dance teaching.展开更多
This paper explains,with concrete examples,that the non-verbal barriers also obstruct students’correct understanding of listening materials,and ana-lyzes the problems resulting from students lack of cul-tural knowled...This paper explains,with concrete examples,that the non-verbal barriers also obstruct students’correct understanding of listening materials,and ana-lyzes the problems resulting from students lack of cul-tural knowledge of the target language.Suggestionsare offered to help students have a better understand-ing by introducing the origin of English words,intro-ducing the cultural traits of native speakers,theircustoms and introduce the relative cultural knowledgeto promote students’comprehension of the target lan-guage.展开更多
基金supported by the Chi-nese Academy of Sciences Strategic Priority Research Program (Grant No. XDA05110103)the National High Technology Research and Development Program of China (863 Program, Grant No. 2009AA122100)
文摘Many studies have investigated the influence of evapotranspiration and albedo and emphasize their separate effects but ignore their interactive influences by changing vegetation status in large amplitudes. This paper focuses on the comprehensive influence of evapotranspiration and albedo on surface temperature by changing the leaf area index (LAD between 30^-90~N. Two LAI datasets with seasonally different amplitudes of vegetation change between 30^-90~N were used in the simulations. Seasonal differences between the results of the simulations are compared, and the major findings are as follows. (1) The interactive effects of evapotranspiration and albedo on surface temperature were different over different regions during three seasons [March-April-May (MAM), June-July-August (JJA), and September-October-November (SON)], i.e., they were always the same over the southeastern United States during these three seasons but were opposite over most regions between 30°-90°N during JJA. (2) Either evapotranspiration or albedo tended to be dominant over different areas and during different seasons. For example, evapotranspiration dominated almost all regions between 30^-90~N during JJA, whereas albedo played a dominant role over northwestern Eurasia during MAM and over central Eurasia during SON. (3) The response of evapotranspiration and albedo to an increase in LAI with different ranges showed different paces and signals. With relatively small amplitudes of increased LAI, the rate of the relative increase in evapotranspiration was quick, and positive changes happened in albedo. But both relative changes in evapotranspiration and albedo tended to be gentle, and the ratio of negative changes of albedo increased with relatively large increased amplitudes of LAI.
文摘Drug product internationalization(DPI) can be affected by multiple firm-level factors. However, existing studies mainly focus on a single or several factors and the deviation generated by the factors' effects on each other has been neglected. We aimed to study the comprehensive influences of firm-level factors on Chinese pharmaceutical firms that chose the DPI mode. Student's t tests and Chi Square tests were used to explore the differences between firms with or without DPI modes. Then, logistic regression analysis was used to explore the comprehensive impacts of these 16 variables. Through empirical research, we found the factors influencing the DPI mode of Chinese pharmaceutical enterprises and the firm-level factors that influenced DPI mode selection. This study showed that the capacity of enterprise's innovation and knowledge absorption were related to the mode selection. Moreover, the education of the top management team significantly contributed to the DPI mode selection of pharmaceutical firms. This study also provided theoretical and empirical evidence for pharmaceutical enterprises when choosing their DPI mode. The internationalization of Chinese pharmaceutical firms remained at the early stage. However, the internationalization of drug products from China would affect the international pharmaceutical supply in the long term.
文摘Music is the soul of sports dance. Sports dance can be carried out smoothly by the accompaniment of music. Therefore the two should be in harmony and unity to perform the essence of sports dance totally. This article tries analyzing the impact of music in sports dance teaching for students in physiological, psychological, creativity, imagination, aesthetic and so on to explore the important role of music in the development of students' comprehensive quality, in order to help sports dance teaching.
文摘This paper explains,with concrete examples,that the non-verbal barriers also obstruct students’correct understanding of listening materials,and ana-lyzes the problems resulting from students lack of cul-tural knowledge of the target language.Suggestionsare offered to help students have a better understand-ing by introducing the origin of English words,intro-ducing the cultural traits of native speakers,theircustoms and introduce the relative cultural knowledgeto promote students’comprehension of the target lan-guage.