China is rich in hydropower resources,and mountain rivers have abundant water resources and huge development potential,which have a profound impact on the pattern of water resources allocation in China.As the main way...China is rich in hydropower resources,and mountain rivers have abundant water resources and huge development potential,which have a profound impact on the pattern of water resources allocation in China.As the main way of water resources and hydropower development,the construction of cascade hydropower stations,while meeting the requirements of water resources utilization for social development,has also brought adverse effects on river ecosystems.Therefore,the impact of the construction of cascade hydropower stations on mountainous river ecosystems,where the minimum ecological flow of rivers must be ensured and reviewed.In addition,this paper proposed the deficiencies and outlooks for cascade hydropower stations based on previous research results.展开更多
Network virtual social life and social life of the intimate contact, gaining experience through the network are growing acceptance of a new kind of practice writing behavior. In this paper, closely related to the new ...Network virtual social life and social life of the intimate contact, gaining experience through the network are growing acceptance of a new kind of practice writing behavior. In this paper, closely related to the new direction of life experience of the Internet age forms, and characteristics of practical writing life experience development under the network environment and study of teaching strategy analysis, think the Internet+ provided by the social forms life mirror, fits the practical writing “material needs” obtaining through the network to the indirect way to gain life experience of social forms, and has become a new kind of practical writing teaching methods. Network life experience is not only a practical writing, and also will use literature writing, news writing, such as writing behavior.展开更多
基金This research was funded by Guangxi key R&D program(Guike AB19259015)and Guangxi key R&D program(Guike AB20297017)Guangxi Key Laboratory of Water Engineering Materials and Structures fund program(GXHRI-WZMS-2020-07).
文摘China is rich in hydropower resources,and mountain rivers have abundant water resources and huge development potential,which have a profound impact on the pattern of water resources allocation in China.As the main way of water resources and hydropower development,the construction of cascade hydropower stations,while meeting the requirements of water resources utilization for social development,has also brought adverse effects on river ecosystems.Therefore,the impact of the construction of cascade hydropower stations on mountainous river ecosystems,where the minimum ecological flow of rivers must be ensured and reviewed.In addition,this paper proposed the deficiencies and outlooks for cascade hydropower stations based on previous research results.
文摘Network virtual social life and social life of the intimate contact, gaining experience through the network are growing acceptance of a new kind of practice writing behavior. In this paper, closely related to the new direction of life experience of the Internet age forms, and characteristics of practical writing life experience development under the network environment and study of teaching strategy analysis, think the Internet+ provided by the social forms life mirror, fits the practical writing “material needs” obtaining through the network to the indirect way to gain life experience of social forms, and has become a new kind of practical writing teaching methods. Network life experience is not only a practical writing, and also will use literature writing, news writing, such as writing behavior.
