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Nature and theoretical foundation of ecoregionalization:a case study in China 被引量:1
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作者 LI Shuang-cheng YANG Qin-ye(Institute of Geography, Chinese Academy of Sciences, Beijing 100101, China) 《Journal of Geographical Sciences》 SCIE CSCD 1999年第1期35-42,共8页
The increasing relevance and importance of zoning regional biotic factors and environmental variables to scientists and management agencies are fully introduced. Comprehensive research into regional differentiation of... The increasing relevance and importance of zoning regional biotic factors and environmental variables to scientists and management agencies are fully introduced. Comprehensive research into regional differentiation of ecosystems, nevertheless, remains comparatively neglected. A rounded eco-regionalization System in terms of regional ecosystem properties and distribution can supply powerful tools for rational and sustainable utilization of natural resources, solution of regional environmental problems, and conservation of biodiversity. In this paper, ideas on nature, theoretical foundation and methods available to eco-regionalization are presented Finally, a new ecoregionalization system of China based on specific principles of ecological division is prepared. 展开更多
关键词 eco-regionalization hierarchical system of eco-regionalization principles of regionalization China
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The active principle region of Buyang Huanwu decoction induced differentiation of bone marrow-derived mesenchymal stem cells into neural-like cells Superior effects over original formula of Buyang Huanwu decoction 被引量:9
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作者 Jinghui Zheng Yi Wan +4 位作者 Jianhuai Chi Dekai Shen Tingting Wu Weimin Li Pengcheng Du 《Neural Regeneration Research》 SCIE CAS CSCD 2012年第4期261-267,共7页
The present study induced in vitro-cultured passage 4 bone marrow-derived mesenchymal stem cells to differentiate into neural-like cells with a mixture of alkaloid, polysaccharide, aglycone, glycoside, essential oils,... The present study induced in vitro-cultured passage 4 bone marrow-derived mesenchymal stem cells to differentiate into neural-like cells with a mixture of alkaloid, polysaccharide, aglycone, glycoside, essential oils, and effective components of Buyang Huanwu decoction (active principle region of decoction for invigorating yang for recuperation). After 28 days, nestin and neuron-specific enolase were expressed in the cytoplasm. Reverse transcription-PCR and western blot analyses showed that nestin and neuron-specific enolase mRNA and protein expression was greater in the active principle region group compared with the original formula group. Results demonstrated that the active principle region of Buyang Huanwu decoction induced greater differentiation of rat bone marrow-derived mesenchymal stem cells into neural-like cells in vitro than the original Buyang Huanwu decoction formula. 展开更多
关键词 active principle region bone marrow-derived mesenchymal stem cells Buyang Huanwu decoction differentiation nerve cells
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The Human Rights Legislation Practices of the Communist Party of China During the War of Liberation
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作者 化国宇 吕圣旺 XU Chao(译) 《The Journal of Human Rights》 2021年第3期364-373,共10页
During the War of Liberation,the liberated areas,under the leadership of the Communist Party of China,kept deepening and developing the concepts and ideas of protecting human rights,promulgated a series of human right... During the War of Liberation,the liberated areas,under the leadership of the Communist Party of China,kept deepening and developing the concepts and ideas of protecting human rights,promulgated a series of human rights laws and related administrative programs,and put them into practice.The contents included not only the political rights of citizens but also their economic,social,and cultural rights,with emphasis on the protection of the rights to subsistence and development.The human rights legislation in the liberated areas has a wartime and class-based nature due to its social environment.It reflects the transition of the Communist Party of China from a revolutionary party to a ruling party on the historical stage.It played an important role in directing,advancing,and promoting the progress of democracy and the rule of law at that time and accumulated experience for the human rights legislation after the founding of the People’s Republic of China.History proves that the Communist Party of China has always been a political party dedicated to fighting for the human rights of the Chinese people,and only the Communist Party of China can lead China’s human rights development to a deeper level. 展开更多
关键词 The Communist Party of China human rights legislation in the liberated areas Constitutional principles of the Shaanxi-Gansu-Ningxia Border Region Outline of China’s Land Law
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Symmetry of solutions for a fractional system 被引量:1
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作者 LI Yan MA Pei 《Science China Mathematics》 SCIE CSCD 2017年第10期1805-1824,共20页
We consider a pseudo-differential system involving different fractional orders. Through an iteration method, we obtain the key ingredients—the maximum principles—of the method of moving planes. Then we derive symmet... We consider a pseudo-differential system involving different fractional orders. Through an iteration method, we obtain the key ingredients—the maximum principles—of the method of moving planes. Then we derive symmetry on non-negative solutions without any decay assumption at infinity. 展开更多
关键词 the fractional Laplacian narrow region principle decay at infinity method of moving planes radial symmetry
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