Molecular Modeling Of Tar-Rich Coals From Northern Shaanxi And Their Molecular Dynamic Characteristics In The Process Of Pyrolysis For Tar Extraction,
2024
School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China; Shaanxi Province Energy and Chemical Process Strengthening Key Laboratory, Xi’an 710049, China
Molecular Modeling Of Tar-Rich Coals From Northern Shaanxi And Their Molecular Dynamic Characteristics In The Process Of Pyrolysis For Tar Extraction, Guo Wei, Yang Panxi, Yu Zunyi, Yang Fu, Wang Jing, Ma Li, Li Hongqiang, Yang Bolun, Wu Zhiqiang
Coal Geology & Exploration
Objective The pyrolysis process and mechanism of tar-rich coals remain unclear due to their complex structures. Therefore, it is necessary to investigate the structure-activity relationship between their structure and the distributions of their pyrolytic products and determine the mechanism behind their pyrolysis for tar extraction. Methods Focusing on typical tar-rich coals from northern Shaanxi Province, this study calculated and constructed the molecular model of the coals using characterization methods such as carbon-13 nuclear magnetic resonance (13C NMR), Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS), determining the molecular formula at C444H380O74 …
Advances In Research On Hydrogenation Saturation Of Polycyclic Aromatic Hydrocarbons In Coal Tar,
2024
College of Chemistry and Chemical Engineering, Xi’an University of Science and Technology, Xi’an 710054, China; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Natural Resources, Xi’an 710021, China
Advances In Research On Hydrogenation Saturation Of Polycyclic Aromatic Hydrocarbons In Coal Tar, He Xinfu, Gao Fan, Wu Hongju, Zhang Xiaoqin, Ma Tao, Shi Zhiwei, Zhou Anning, Zhang Yating
Coal Geology & Exploration
Significance Polycyclic aromatic hydrocarbons (PAHs), a predominant component in coal tar, can be used to produce jet fuels with high energy density and thermal stability through hydrogenation saturation. Based on the characteristics of the PAH hydrogenation process, this study proposed that primary challenges in PAH hydrogenation saturation include the resonance energy of PAHs themselves, the spatial site resistance of hydrogenation intermediates, and the competitive adsorption of feedstocks and intermediates on active sites in the catalysts. Progress Based on the review of research progress in catalysts for PAH hydrogenation saturation in recent years, this study analyzed the substantial factor influencing the …
Green Transition Situations And Development Suggestions For Upstream Petroleum Industry,
2024
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China; China National Oil and Gas Exploration and Development Company Ltd., Beijing 100034, Chin
Green Transition Situations And Development Suggestions For Upstream Petroleum Industry, Lirong Dou, Feng Gao, Yun Peng, Xi Wang, Liang Xiong
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the current global energy transition process, which is accelerating overall but with further uncertainty, the global oil and gas industry is showing four major trends: a shift in business structure from oil and gas dominance to multi-energy complementarity, a shift in market structure from globalization to differentiation between the Eastern and Western hemispheres, a shift in policy orientation from radical transition to orderly development, and an expansion of technological innovation from traditional to emerging fields. Governments of various countries and international oil companies have made adjustments to policies, strategic goals, implementation paths, and other aspects based on their own …
Analysis Of Demand And Recycling Potential Of Lithium, Cobalt, And Nickel Under Energy Transition Emdash From Perspective Of Electric Vehicles,
2024
School of Economics and Management, University of Chinese Academy of Sciences, Beijing 100190, China
Analysis Of Demand And Recycling Potential Of Lithium, Cobalt, And Nickel Under Energy Transition Emdash From Perspective Of Electric Vehicles, Xiong Ying, Shouyang Wang, Yuyao Yang
Bulletin of Chinese Academy of Sciences (Chinese Version)
With the rapid growth of demand for lithium, cobalt, and nickel, China, the United States, and the European Union have classified them as critical minerals. This study investigates the rise of China’s and the global electric vehicle industry in relation to the demand for lithium, cobalt, and nickel, forecasts the potential for recycling these metals, and evaluates the challenges to resource security of these metals faced by China. The findings underscore the necessity of enhancing international collaboration in mineral extraction abroad and enhancing capabilities to safeguard overseas assets and equity. The study advocates for expediting the establishment of an electric …
Fundamental Theory And Technological Innovation In Soil Carbon And Nitrogen Cycling: Promoting Sustainable Development Of Agriculture,
2024
State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China; Changshu National Agro-Ecosystem Observation and Research Station, Chinese Academy of Sciences, Suzhou 215555, China; University of Chinese Academy of Sciences, Nanjing, Nanjing 211135, China
Fundamental Theory And Technological Innovation In Soil Carbon And Nitrogen Cycling: Promoting Sustainable Development Of Agriculture, Xu Zhao, Longlong Xia, Yongqiu Xia, Xiaoyuan Yan
Bulletin of Chinese Academy of Sciences (Chinese Version)
The Changshu National Agro-Ecosystem Observation and Research Station (hereinafter referred to as Changshu Station) was officially established in 1987. Changshu Station is the only multidisciplinary comprehensive observation, research, and demonstration station within Chinese Academy of Sciences in the Yangtze River Delta region, focusing on researches about agricultural production, resources utilization, and environmental protection. Since its establishment, Changshu Station is the pioneer in conducting systematic observational research on soil nitrogen cycling, soil carbon sequestration, greenhouse gas (GHG) mitigation, and agricultural non-point source pollution. Over the past five years, Changshu Station has focused on three major scientific issues facing green and sustainable …
Scientific Understanding And Transformation Pathways For “Ice And Snow Are Also As Valuable As Gold And Silver”,
2024
Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
Scientific Understanding And Transformation Pathways For “Ice And Snow Are Also As Valuable As Gold And Silver”, Qi Feng, Shijin Wang, Rongfang Zhao, Bao Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
“Lucid waters and lush mountains are invaluable assets”, and “ice and snow are also as valuable as gold and silver”. Excellent ecology, ecological enrichment, and happy life are concrete manifestations of the Chinese-style modernization featuring harmonious coexistence between human beings and nature. Compared with lucid waters and lush mountains, ice and snow covered land is mostly concentrated in winter and spring, making it rather difficult to transform them into mountains of gold and silver. How to forge a pathway of high-quality development of the ice and snow economy to drive the revitalization of rural industries in winter and spring is …
Three-Stage Transformation And Practical Path Of “Lucid Waters And Lush Mountains Are Invaluable Assets” Concept,
2024
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
Three-Stage Transformation And Practical Path Of “Lucid Waters And Lush Mountains Are Invaluable Assets” Concept, Lei Shen, Chao Zhang, Shuai Zhong
Bulletin of Chinese Academy of Sciences (Chinese Version)
“Lucid waters and lush mountains are invaluable assets” concept (hereinafter referred to as two mountains concept) serves as the important component for China’s ecological civilization construction, breaking the dilemma of traditional development and environmental protection, and fostering the synergy between economy and ecology. Based on a framework integrating conceptual evolution, institutional construction, and practical implementation, this study examines the three stages: the awakening of paradigm and local breakthroughs during the ice-breaking period (2005–2012), system construction and national promotion in the establishment period (2013–2017), and value transformation and global contribution in the sublimation period (2018–present). The analysis reveals that the two …
Exploration And Practice Of Major Function Zoning Based On That “Lucid Waters And Lush Mountains Are Invaluable Assets,
2024
CAS Key Laboratory of Regional Sustainable Development Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
Exploration And Practice Of Major Function Zoning Based On That “Lucid Waters And Lush Mountains Are Invaluable Assets, Jie Fan, Jian Gao
Bulletin of Chinese Academy of Sciences (Chinese Version)
President Xi Jinping’s thought of that “lucid waters and lush mountains are invaluable assets” has led China to modernize in a new form of ecological civilization, and it is also the general guideline for upgrading the major function zoning (MFZ) from planning to a national strategy and basic institution. Focusing on key ecological function zones of the MFZ, this study contends that the implementation of the MFZ strategy is a systematic exploration and innovative practice of the two mountains concept. It clarifies that the original intention of the MFZ is to protect lucid waters and lush mountains by combing through …
Empirical Study On “Lucid Waters And Lush Mountains Are Invaluable Assets” In Harmonious Development Of Human-Mountain Relationship In Southwest Mountainous Regions, China,
2024
Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; China-Pakistan Joint Research Center on Earth Sciences, CAS-HEC, Islamabad 45320, Pakistan
Empirical Study On “Lucid Waters And Lush Mountains Are Invaluable Assets” In Harmonious Development Of Human-Mountain Relationship In Southwest Mountainous Regions, China, Yiping Fang, Xinjun He, Xueyuan Huang
Bulletin of Chinese Academy of Sciences (Chinese Version)
As the country with the largest mountainous area in the world, China’s research on two mountains (“lucid waters and lush mountains are invaluable assets”) concept in mountainous sustainable development holds significant theoretical and practical implications for unleashing green productivity, fostering new quality productive forces, and advancing the modernization of harmonious coexistence between humans and mountains. This study employs emergy analysis and literature review to evaluate the value transformation efficiency of two mountains concept across 37 national two mountains practice bases in mountainous counties of Southwestern China. The results indicate that: (1) the transformation level is higher in urban core areas …
Prospective And Strategic Value Of Roadmap For Regional Sustainable Development Research—Post-Evaluation Of Regional Development Research In China: A Roadmap To 2050,
2024
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
Prospective And Strategic Value Of Roadmap For Regional Sustainable Development Research—Post-Evaluation Of Regional Development Research In China: A Roadmap To 2050, Rui Guo, Hanchu Liu, Jie Fan
Bulletin of Chinese Academy of Sciences (Chinese Version)
In 2007, the Chinese Academy of Sciences (CAS) pioneered China’s 2050 science and technology development strategy and roadmap research, published the “Innovation 2050” strategic research series in 2009. The Regional Development Research in China: A Roadmap to 2050 (hereafter referred as to Roadmap) was one of these 19 reports. This study evaluates the implementation effectiveness of CAS’s regional sustainable development initiatives since publication through the lens of Xi Jinping’s Thought on Ecological Civilization particularly the “lucid waters and lush mountains are invaluable assets” (two mountains) concept, while concurrently assessing the Roadmap’s strategic research outcomes. Key findings include the followings. (1) …
Innovative Practices And Application Exploration Of Gross Ecosystem Product (Gep) Accounting In Lishui City, Zhejiang Province,
2024
Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Innovative Practices And Application Exploration Of Gross Ecosystem Product (Gep) Accounting In Lishui City, Zhejiang Province, Qin Qiao, Qingxia Lin, Yi Li, Huiyi Yu, Chao Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Improving the mechanism for realizing the value of ecological products is a crucial approach to implementing the concept that “lucid waters and lush mountains are invaluable assets,” and it holds significant importance for promoting the transformation of ecological value and the green transition of the economy and society. As China’s first pilot city for the ecological product value realization mechanism, Lishui City has consistently innovated in gross ecosystem product (GEP) accounting and the application of its outcomes, offering a model and reference for nationwide ecological product value realization. This study systematically examines Lishui’s exemplary practices in ecological product value realization …
Empowering High-Quality Development In Mengyin County Of Shandong Province Through Honey Peach Industry,
2024
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
Empowering High-Quality Development In Mengyin County Of Shandong Province Through Honey Peach Industry, Xue Wang, Yunquan Miao, Liangjie Xin
Bulletin of Chinese Academy of Sciences (Chinese Version)
As a typical old revolutionary base area county, mountainous county, and national key ecological function zone, Mengyin County has deeply implemented the concept of “lucid waters and lush mountains are invaluable assets” (two mountains concept), empowering the high-quality development of its peach industry through ecological means. By optimizing the ecological environment, Mengyin has laid a solid foundation for the peach industry, transforming its pristine ecology into a natural competitive advantage for industrial growth. Leveraging scientific and technological innovation, the county has driven the upgrading and extension of the peach industry chain, while simultaneously pioneering circular agriculture models and integrating tertiary …
Scientific Interpretation Of Notion That “Lucid Waters And Lush Mountains Are Invaluable Assets” And Its Case Study,
2024
School of Public Affairs, Zhejiang University, Hangzhou 310058, China; Zhejiang Ecological Civilization Academy, Anji 313300, China
Scientific Interpretation Of Notion That “Lucid Waters And Lush Mountains Are Invaluable Assets” And Its Case Study, Kai Fang, Chenglin Li, Sirui Zhu, Ling Zhu, Wei Wu
Bulletin of Chinese Academy of Sciences (Chinese Version)
The notion that “lucid waters and lush mountains are invaluable assets” serves as a basis of thinking for embracing ecological civilization in China’s new era. This study makes an effort to define both ecological economization and economic ecologization, identify the typologies, and elaborate on the theoretical logic of interaction between them. By proposing such a conceptual framework, the study further looks back to the practical experiences in Anji County, the birthplace of the notion, by focusing on the practical logic of the interaction between them. Finally, the study comes up with policy recommendations for the notion: establishing ecological product markets …
“Lucid Waters And Lush Mountains Are Invaluable Assets”: Pathways And Prospects For Ecological Gdp In The Yellow River Basin,
2024
State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China
“Lucid Waters And Lush Mountains Are Invaluable Assets”: Pathways And Prospects For Ecological Gdp In The Yellow River Basin, Guangqian Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
This study, following Xi Jinping’s ecological civilization philosophy and the two mountains concept, explores pathways for realizing ecological value and mechanisms for ecological GDP in the Yellow River Basin. The research demonstrates that the two mountains concept breaks through the limitations of traditional development paradigms, providing a foundational guide for ecological conservation and high-quality development in the Yellow River Basin. The research shows that constructing an ecological asset system and incorporating it into GDP accounting is the key to addressing the challenges of ecological value transformation. This requires adherence to the principles of “requisition-compensation balance” and “market-based transaction”, coupled with …
Theoretical Connotations And Chinese Practices Of Nature-Based Solutions,
2024
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Theoretical Connotations And Chinese Practices Of Nature-Based Solutions, Bojie Fu, Jun Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The global ecological environment is confronted with severe challenges such as intensified climate change, drastic reduction of biodiversity and land degradation, which seriously affect the sustainable development of human beings. These challenges promote profound reflection on the relationship between human beings and nature. Nature-based Solutions (NbS) has emerged as an innovative concept of global ecological governance thateffectively responds to societal challenges. Its development has gone through embryonic stage, developmental stage and comprehensive application stage. Multidisciplinary principles such as restoration ecology and landscape ecology constitute the theoretical foundation of NbS. China has effectively integrated the concept of NbS with the construction …
Editorials,
2024
Chinese Academy of Sciences
Editorials
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Practicing Concept Of “Lucid Waters And Lush Mountains Are Invaluable Assets” To Advance High-Quality Development Of Territorial Space,
2024
China Academy of Urban Planning & Design, Beijing 100037, China
Practicing Concept Of “Lucid Waters And Lush Mountains Are Invaluable Assets” To Advance High-Quality Development Of Territorial Space, Kai Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The concept of “lucid waters and lush mountains are invaluable assets” (two mountains concept) constitutes an important component of Xi Jinping Thought on Ecological Civilization, providing the fundamental guidance for establishing China’s territorial space planning system and its associated technical framework. This study analyzes the specific manifestations and root causes of the periodic conflicts between urban development space and ecological space in China. It further examines the theoretical value and practical significance of the two mountains concept in fostering a harmonious coexistence between humanity and nature from the perspective of spatial planning. Currently, China is in a critical period for …
Strategic Insights For Developing Protected Areas System With National Parks As Mainstay In New Era: Marking 20 Years Of “Lucid Waters And Lush Mountains Are Invaluable Assets”,
2024
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China; School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing 100190, China; National Parks and Protected Areas Research Center, Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
Strategic Insights For Developing Protected Areas System With National Parks As Mainstay In New Era: Marking 20 Years Of “Lucid Waters And Lush Mountains Are Invaluable Assets”, Baorong Huang, Xuetian Hu, Huizhi Zhang, Ling Tang, Zhi Wang, Zhi Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the new era, the advancement of Chinese path to modernization places new demands on the development of a protected areas system with national parks as the mainstay. At the same time, as reform deepens, the system faces emerging challenges, including outdated conservation concepts, insufficient systemic integration, proliferation of management exclusions, and weak social functions, hindering the effective transformation of lucid waters and lush mountains into invaluable assets. This study recommends that, guided by the two mountains concept and aligned with the strategic goals of national modernization, China must comprehensively advance the construction and reform of the protected areas system …
Vivid Practice Of Enriching People With Tea In Wuyishan, Nanping, Fujian,
2024
Chinese Academy of Natural Resources Economics, Beijing 101149, China
Vivid Practice Of Enriching People With Tea In Wuyishan, Nanping, Fujian, Zhenlin Fan, Shengmeng Zheng, Jiamei Wu, Sen Liang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The tea industry serves as the hallmark of Wuyishan City, Fujian Province, and represents a distinctive sector that promotes local prosperity and urban development. Wuyi Mountain leverages its Danxia landform ecological foundation and centuries-old tea culture heritage to integrate the coordinated development of tea culture, tea industry, and tea science and technology, thereby establishing an innovative pathway for transforming “lucid waters and lush mountains” into “ecological premiums” and ultimately into “invaluable assets”. To address structural issues in the traditional tea industry, Wuyishan has promoted ecological cultivation as the foundation for enhancing processing standardization and brand development, thereby facilitating industrial transformation …
How To Realize Value Of Public Ecosystem Services And Promote Its Supplement? A Government Solution In Beijing,
2024
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
How To Realize Value Of Public Ecosystem Services And Promote Its Supplement? A Government Solution In Beijing, Baolong Han, Qi Wang, Haoqi Wang, Zhiyun Ouyang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The regulating services provided by ecosystems are an important safeguard for regional ecological security, and are typical public service products characterized by non-excludability and non-rivalry. Compared with the material provisioning products and cultural service products of ecosystems, regulating services face significant shortcomings in market-based value realization and monetization capacity, making them difficult to trade and monetize. This study systematically introduces the experiences of Beijing and particularly Yanqing District and Mentougou District in overcoming bottlenecks and promoting the monetization and enhancement of regulating service products. In the area of value realization, major efforts have focused on policy preparation and the cultivation …
