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Articles 481 - 510 of 536
Full-Text Articles in Public Affairs, Public Policy and Public Administration
Promoting Construction Of Zero-Direct Discharge Engineering For Agricultural Wastewater From Paddy Fields In Yangtze River Delta Region, Xinqiang Liang, Jiao Yang, Shuang He, Boyi Liu, Jianye Li, Xiangyang Xu, Bojie Fu
Promoting Construction Of Zero-Direct Discharge Engineering For Agricultural Wastewater From Paddy Fields In Yangtze River Delta Region, Xinqiang Liang, Jiao Yang, Shuang He, Boyi Liu, Jianye Li, Xiangyang Xu, Bojie Fu
Bulletin of Chinese Academy of Sciences (Chinese Version)
The Yangtze River Delta region is an important commodity grain production area in China, but has been suffering from agricultural non-point source pollution issues in recent years. This study puts forward a suggestion on promoting the construction of zero-direct discharge (ZDD) engineering for agricultural wastewater from paddy fields in the region. This suggestion is based on the field investigation, policy analysis, engineering design, and economical evaluation, which clarifies the policy adaptability and the construction importance of the ZDD engineering. At the same time, this suggestion shows the basic principles, design requirements, mode selections, investment cost, and expected ecological economic benefits …
Trends Observation: Development And Hot Research Field Of International Modern Agriculture And Industrial Biotechnology
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Historical Review Of The Communist Party Of China’S Science And Technology Policy Ideas (1921—2021), Baoyu Jia, Li Liu
Historical Review Of The Communist Party Of China’S Science And Technology Policy Ideas (1921—2021), Baoyu Jia, Li Liu
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the 100 years of glorious history of the Communist Party of China (CPC), CPC has always been applying Marxism to analyze the actual contexts of scientific and technological developments and historical characteristics at phases of revolution, construction, and reforms, and has been advancing and innovating with times to formulate Chinese Marxism on science and technology policy ideas successively by Mao Zedong Thought, Deng Xiaoping Theory, the Important Thought of "Three Represents", the Scientific Outlook on Development, and Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, which they together constitute the theoretical system of CPC's science …
Rational Examination Of Cultivation Of Talent Reserve For Scientific And Technological Innovation In China, Yonghe Zhang, Jingying Wang, Xinying Li, Xuanyang Yang, Yong Xie
Rational Examination Of Cultivation Of Talent Reserve For Scientific And Technological Innovation In China, Yonghe Zhang, Jingying Wang, Xinying Li, Xuanyang Yang, Yong Xie
Bulletin of Chinese Academy of Sciences (Chinese Version)
It is an important guarantee for China to win the first chance in the future international competition to vigorously cultivate the talent reserve of scientific and technological innovation. This study first proposes that China urgently needs to pay attention to the early training of scientific and technological innovation talents from the international situation, existing policies, and the current educational situation. Then it dynamically examines the training theory and practical experience of scientific and technological innovation talent reserve from an international perspective, and further considers the critical understanding and key issues of early training. Finally, some suggestions are given on the …
Construct New Pattern Of Evaluating And Training Youngsters’ Creativity, Dongmei Zhang, Xiaoming Liu, Yu Liu, Yanlong Xu
Construct New Pattern Of Evaluating And Training Youngsters’ Creativity, Dongmei Zhang, Xiaoming Liu, Yu Liu, Yanlong Xu
Bulletin of Chinese Academy of Sciences (Chinese Version)
The core talents who support China's innovative development and participate in international competition, on which the realization of the two centennial goals depends, are currently receiving basic education. Therefore, there is an urgent need to accelerate the innovation quality education for adolescents, and establish a scientific model of innovation quality training for cultivation and selection of talents. Through the analysis of the current situation of innovation quality cultivation and assessment both in China and in the world, this study proposes a new model of innovation quality assessment and training based on the cognitive theory of brain science, combined with the …
Policy Overview (June, 2021)
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Developing Responsible Digital Economy, Qingfeng Yang, Jinluan Ren
Developing Responsible Digital Economy, Qingfeng Yang, Jinluan Ren
Bulletin of Chinese Academy of Sciences (Chinese Version)
The nature of technological-economic paradigm shift in digital economy determines that it is fundamentally different from traditional economy in terms of thinking principles and operating mechanism. Therefore, it shows the typical double-sided functions. On the one hand, it promotes the high-quality development of economy, activates social innovation, drives the transformation, and brings more welfare to the public. On the other hand, it has a lot of negative effects in the fields of work, innovation, market, and society. This research integrates the concept of responsibility into the digital economy, puts forward the concept and framework of responsible digital economy, and provides …
Focus On Three Major Scientific Issues In Field Of Life And Construct Holographic Human Digital Model—Taking Medicine As Example, Bin Cong, Shiming Zhang, Zhiyu Ni
Focus On Three Major Scientific Issues In Field Of Life And Construct Holographic Human Digital Model—Taking Medicine As Example, Bin Cong, Shiming Zhang, Zhiyu Ni
Bulletin of Chinese Academy of Sciences (Chinese Version)
By analyzing the dilemma faced by the field of medical science, we can find that the nature and evolutionary laws of life have not been systematically revealed; and the microscopic dynamic processes of life cannot be understood by only visualizing the microscopic static structures at the subcellular or molecular levels. Therefore, there is a need to establish a new scientific paradigm to study three fundamental scientific problems in the field of life:to analyze the microstructure of the human body; to reveal the correlations between structures; and to explore the temporal changes of structures and the functions they perform. The human …
From Strategy Consulting Research To Science Of Think Tank, Xin Wang, Huiqin Zhang, Changpu Sun
From Strategy Consulting Research To Science Of Think Tank, Xin Wang, Huiqin Zhang, Changpu Sun
Bulletin of Chinese Academy of Sciences (Chinese Version)
Think tank researches are the main element to advance the modernization of China's capacity for governance, and they are multidisciplinary related to many research areas. The suggestions of think tank researches may have massive influences as long as they are adapted. In this study, we recommend that the think tank researches should be advanced to the science of think tank. The think tank researches should follow the widely recognized scientific research character-falsifiability. Based on solid data and evidences, think tank researches build objective models, develop qualitative methods and quantitative tools, and generate objective strategic consulting proposals with predictive ability. By …
Data Information: Hot Research Topic Of Scopus Research Papers In Jan. 1, 2018 To Jun. 23, 2021
Data Information: Hot Research Topic Of Scopus Research Papers In Jan. 1, 2018 To Jun. 23, 2021
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Comparative Study On Development Of Science Education Worldwide: Advance In Ideas, Themes And Practice, Xinning Pei, Tainian Zheng
Comparative Study On Development Of Science Education Worldwide: Advance In Ideas, Themes And Practice, Xinning Pei, Tainian Zheng
Bulletin of Chinese Academy of Sciences (Chinese Version)
The importance of science education lies not in delivering factual knowledge to learners, but in using knowledge as a way for them to know the world and cope with the uncertainty. The development of science education worldwide in the 21st century presents the following themes:the sustainable development of human beings as the main context, cultivating scientific literacy as the goal, paying attention to understanding the nature of science, building a "common foundation" for science learning through in-depth and coherent curriculum, using information technology to stimulate and integrate science education innovation, emphasizing the unity of science and humanities, giving full play …
Development And Industrialization Of Organic Photoconductor Drums (Opcs)
Development And Industrialization Of Organic Photoconductor Drums (Opcs)
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Geovis Aerospace Big Data Platform R&D And Industrialization
Geovis Aerospace Big Data Platform R&D And Industrialization
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Groundwater-Agroecosystem Experimental Simulator (Yucheng Gas), Zhu Ouyang, Yunfeng Qiao, Chesheng Zhan, Zhigang Sun, Yanchun Yu, Xiaoguang Cai, Fadong Li
Groundwater-Agroecosystem Experimental Simulator (Yucheng Gas), Zhu Ouyang, Yunfeng Qiao, Chesheng Zhan, Zhigang Sun, Yanchun Yu, Xiaoguang Cai, Fadong Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
Irrigation zones located in the lower reaches of Yellow River is a vital food security base in China. Currently, this area is facing the problem of rapid decline of groundwater level due to serious water shortage and insufficient water resources allocation. Therefore, there are many unknown and uncertain impacts on the future agriculture and ecological environment, and it is the current hotspot of agroecosystem research. However, under the dynamic scenarios, for innovatively carrying out the studies on large groundwater table from surface, and conducting the critical process researches such as sectional structure of farmland soil, crop root growth dynamics, interaction …
Attach Importance To Protection Of Intellectual Property Rights And Speed Up Strategic Blueprint Of Standardization, Feng Wei, Hongsong Zhang, Daixie Chen, Amei Deng, Yuqi Sun
Attach Importance To Protection Of Intellectual Property Rights And Speed Up Strategic Blueprint Of Standardization, Feng Wei, Hongsong Zhang, Daixie Chen, Amei Deng, Yuqi Sun
Bulletin of Chinese Academy of Sciences (Chinese Version)
At the beginning of the 14th Five-Year Plan, China has further promoted high-quality and in-depth development of social economy, and made clear the action plan for transformation of intellectual property related work from the pursuit of quantity to high-quality development. Among them, how to stimulate the vitality of innovation subject through intellectual property protection is a systematic work, which needs in-depth study. Standard is an important part of global governance system and the national governance system, and an important way and means of national governance, which belongs to the scope of public power. From the perspective of intellectual property work …
Farming-Pastoral Ecotone Of Northern China Plays Important Role In Ensuring National Food Security, Shuqin Gao, Rui Duan, Hongsheng Wang, Ang Li, Yue Shi, Hai-Chun Jing, Jingyun Fang
Farming-Pastoral Ecotone Of Northern China Plays Important Role In Ensuring National Food Security, Shuqin Gao, Rui Duan, Hongsheng Wang, Ang Li, Yue Shi, Hai-Chun Jing, Jingyun Fang
Bulletin of Chinese Academy of Sciences (Chinese Version)
China enters into a new era with high demand for nutritional and healthy food, and hence needs to adjust the agricultural production system to balance cereal production and livestock farming. Between the years 2010-2019 the production of red meat and milk has fallen far behind the consumption demand, resulting in sourcing and import of large quantity of red meat and milk products from the international market. In comparison to the average consumption levels in Asia and global, China's consumption will continue to grow in the future, presenting a great challenge to the goals of 85% self-sufficiency rate for beef and …
“Coastal Grass Belt” As Paradigm For Grass-Based Livestock Husbandry Around Bohai Bay, Ruixing Hou, Zhu Ouyang, Zhen Liu, Jianbin Lai, Zhigang Sun, Yonghua Li, Hongwei Li, Zhengsheng Li, Jing Li
“Coastal Grass Belt” As Paradigm For Grass-Based Livestock Husbandry Around Bohai Bay, Ruixing Hou, Zhu Ouyang, Zhen Liu, Jianbin Lai, Zhigang Sun, Yonghua Li, Hongwei Li, Zhengsheng Li, Jing Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
One of the burning questions of food security in current China is how to produce sufficient forage products and animal feeds. The limited arable land has to be devoted to cereal production, and exploring more terrestrial land is a prerequisite for the sustainable forage production and the development of grass-based livestock husbandry. Bohai rim is consist of coastal line of the North China Plain, which has a significant amount of medium-low yielding fields and unutilized saline-alkali land as well as intensive livestock production. In this study, a new concept of "Coastal Grass Belt", proposed by LI Zhensheng, an academician of …
Issues And Solutions On Grassland Restoration And Conservation In China, Qingmin Pan, Jiamei Sun, Yuanhe Yang, Wei Liu, Ang Li, Yunfeng Peng, Jianguo Xue, Hao Xia, Jianhui Huang
Issues And Solutions On Grassland Restoration And Conservation In China, Qingmin Pan, Jiamei Sun, Yuanhe Yang, Wei Liu, Ang Li, Yunfeng Peng, Jianguo Xue, Hao Xia, Jianhui Huang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The area of grassland in China is about 392.8 million hm2, covering 40.9% of land surface of China. Grasslands not only serve as important green barriers for national ecological security but also as basic means of production for local farmers and herders. However, the grasslands in China have been unevenly deteriorating since 1980s in large areas. To date, the overall condition of grasslands in China remains worsening, with some area getting better. Such a situation severely constrains the developments of ecological civilization and social economy in China. Here, we analyze the current state and issues in grassland restoration and conservation …
Creating Modern Technological System For Grass Product Processing To Guarantee Macroscopic Food Security, Tianwei Wang, Jin Zhong
Creating Modern Technological System For Grass Product Processing To Guarantee Macroscopic Food Security, Tianwei Wang, Jin Zhong
Bulletin of Chinese Academy of Sciences (Chinese Version)
The construction of a scientific and technological system of ecological grass-based livestock husbandry (GLiH) provides technical support for the "Macroscopic Food Security" concept and the "National Strategy of Giving Priority to Ecology and Green Development" in the new era. At the same time, it represents an urgent need for the domestic circulation. Scientific grass processing and production of forage grass can help form the GLiH industrial chain by connecting the front-end "forage grass cultivating" and back-end "livestock raising". However, China still faces many problems in terms of forage grass processing and production, and the development of the grass industry. On …
Developing Strategies Of Functional Milk And Meat Products From Herbivorous Animal Husbandry, Zhixiong He, Chuanshe Zhou, Min Wang, Guo Yang, Rongzhen Zhong, Jinzhen Jiao, Shaoxun Tang, Zhiliang Tan
Developing Strategies Of Functional Milk And Meat Products From Herbivorous Animal Husbandry, Zhixiong He, Chuanshe Zhou, Min Wang, Guo Yang, Rongzhen Zhong, Jinzhen Jiao, Shaoxun Tang, Zhiliang Tan
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the past 40 years, the animal husbandry industry in China has been developed very fast through the technological and social development. It has been changed into a new stage from quantity to quality of the animal products, and more attention has been paid on the healthy food. The functional animal products will be an important breakthrough for the high-quality development of animal husbandry. This paper reviews the current animal husbandry industry and functional products of herbivorous animal husbandry in China and abroad. Several key scientific and technological issues on functional milk and meat are analyzed. Practical exploration including biotechnology …
Centennial Rejuvenation And Formation Of Scientist Spirit, Bin Li
Centennial Rejuvenation And Formation Of Scientist Spirit, Bin Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
Under the leadership of the Communist Party of China, Chinese scientists inherited national feelings of traditional intellectuals, practice the original ideals of saving, serving, revitalizing, and strengthening the country through science and technology on the road to centennial rejuvenation, have formed a spiritual temperament different from that of western scientists and created a valuable Chinese scientist spirit. As an integral part of the century-old spiritual pedigree of the Communist Party of China, the spirit of scientist is a powerful source of strength for building a world power in science and technology and achieving the great rejuvenation of the Chinese nation. …
Thoughts On Basic Research To Practical Application: Case Study On Cas Key Laboratory Of Pathogenic Microbiology And Immunology, Yi Shi
Bulletin of Chinese Academy of Sciences (Chinese Version)
Strengthening basic research is one of the key strategies to achieve high-quality self-reliance of science and technology. On the occasion of the Centenary of the Communist Party of China, we review the development of science and technology in China and summarize the experience of promoting basic research to practical application. We also point out that the construction of innovation culture initiated by Chinese Academy of Sciences is useful to create a favorable environment for the basic research. Moreover, we describe the experience of how CAS Key Laboratory of Pathogenic Microbiology and Immunology promotes basic research to practical application.
Construction Of China’S Strategic Science And Technology Forces From Research And Development Of Covid-19 Vaccine, Xinmin Zhang
Construction Of China’S Strategic Science And Technology Forces From Research And Development Of Covid-19 Vaccine, Xinmin Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Strengthening strategic science and technology forces is the key to achieve scientific and technological self-reliance and self-improvement. China's COVID-19 vaccine research and development has achieved a stage success and such success has inseparable relationship with the national strategic science and technology forces. This paper starts from the current situation of COVID-19 vaccine R&D in China and in the world, further considers and explores the mission positioning, top-level design, and strengthening methods of China's strategic science and technology forces, and proposes corresponding policy suggestions on strengthening China's strategic science and technology force, through analyzing the successful experience of China's COVID-19 vaccine …
Data Information: Overview Of Global Grass-Based Livestock Husbandry Research
Data Information: Overview Of Global Grass-Based Livestock Husbandry Research
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Policy Overview (April, May, 2021)
Policy Overview (April, May, 2021)
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Automatic Simulating And Monitoring System For Water Balance Of Sandy Areas Of Northern China: Shapotou Lysimeter Group, Zhishan Zhang, Yang Zhao, Yafeng Zhang, Haotian Yang, Bui Hu, Jianqiang Huo, Xinrong Li
Automatic Simulating And Monitoring System For Water Balance Of Sandy Areas Of Northern China: Shapotou Lysimeter Group, Zhishan Zhang, Yang Zhao, Yafeng Zhang, Haotian Yang, Bui Hu, Jianqiang Huo, Xinrong Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
Water balance has always been the key scientific issue facing in vegetation construction in sandy areas of northern China. Lysimeter is regarded as the most reliable tool in studying water balance. The existing problems such as the limited lysimeter sites, the system mismatch and accuracy inconsistency among lysimeters restrict the theoretical innovation of arid ecohydrology. Grouping large intelligent weighable lysimeters is an effective way to break through the aforementioned bottleneck, and conforms to the current interdisciplinary research trend. Funded by the "Key Scientific and Technological Infrastructure Construction Project for the Field Station Network of Chinese Academy of Sciences (CAS)", Shapotou …
Trends Observation: Hot Research Field And Research Trends Of Global Population Health
Trends Observation: Hot Research Field And Research Trends Of Global Population Health
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Speed Up Development Of Grass-Based Livestock Husbandry And Walk Into New Era Of Agriculture
Speed Up Development Of Grass-Based Livestock Husbandry And Walk Into New Era Of Agriculture
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Current Situation And Prospect Of Forage Breeding In China, Jingbo Jin, Tai Wang, Youfa Cheng, Lei Wang, Jingyu Zhang, Haichun Jing, Kang Chong
Current Situation And Prospect Of Forage Breeding In China, Jingbo Jin, Tai Wang, Youfa Cheng, Lei Wang, Jingyu Zhang, Haichun Jing, Kang Chong
Bulletin of Chinese Academy of Sciences (Chinese Version)
High-yield and high-quality forage varieties are the key to sustainable development of grass-based livestock husbandry in China. However, the forage breeding was started late in China, and the progress is very slow, and the forage varieties of independent intellectual property rights are seriously lacked. Forages generally have self-incompatibility, natural allogamy, polysomic inheritance, and marked inbreeding effects. Subsequently, it is difficult to characterize agronomically important complex traits, resulting that the breeding technology is still in the 2.0 era of hybrid breeding. The molecular design-based breeding is a fine strategy to speed up the breeding process, however, there is a lack of …
Thoughts On Problem Oriented Scientific Research, Yunji Chen, Wei Li
Thoughts On Problem Oriented Scientific Research, Yunji Chen, Wei Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the past few decades, Chinese Academy of Sciences (CAS) has experienced project oriented scientific research and subject oriented scientific research, and has made great contributions to China's scientific and technological development in many fields. Facing a new round of scientific and technological revolution and industrial transformation, a new development idea for scientific research, that is, problem oriented scientific research, is put forward. This paper presents some thoughts on the connotation and management methods of problem oriented scientific research.