By systematically reviewing the development status of global carbon dioxide capture,utilization and storage(CCUS)cluster,and comparing domestic and international CCUS industrial models and successful experiences,this ...By systematically reviewing the development status of global carbon dioxide capture,utilization and storage(CCUS)cluster,and comparing domestic and international CCUS industrial models and successful experiences,this study explores the challenges and strategies for the scaled development of the CCUS industry of China.Globally,the CCUS industry has entered a phase of scaled and clustered development.North America has established a system of key technologies in large-scale CO_(2) capture,long-distance pipeline transmission,pipeline network optimization,and large-scale CO_(2) flooding for enhanced oil recovery(CO_(2)-EOR),with relatively mature cluster development and a gradual shift in industrial model from CO_(2)-EOR to geological storage.The CCUS industry of China has developed rapidly across all segments but remains in the early stage of cluster development,facing challenges such as absent business model,insufficient policy support,and technological gaps in core areas.China needs to improve the policy support system to boost enterprises participation across the entire industrial chain,strengthen top-level design and medium-to long-term planning to accelerate demonstration projects construction for whole-process CCUS clusters,advance for a full-chain technological system,including low-cost capture,pipeline optimization and EOR/storage integration technologies,and strengthen personnel training,strengthen discipline construction and university-enterprise research cooperation.展开更多
With the shift in the economic paradigm,there has been a notable increase in the number of young herders in Xizang who have moved to urban areas in search of employment opportunities or have attained financial indepen...With the shift in the economic paradigm,there has been a notable increase in the number of young herders in Xizang who have moved to urban areas in search of employment opportunities or have attained financial independence and separated from their original families.These changes in family structure will gradually impact the elderly population who rely on familial support within traditional cultural contexts.Some elderly herdsmen have lost family support due to unfortunate family accidents or a lack of assistance resulting from the absence of biological descendants.The paper presents an argument about the transition of elder care in pastoral areas.It suggests a shift from the traditional family-based model to a dual mode that combines both family elder care and social elder care.This transformation was facilitated by economic growth at the regional level,which was a result of the overall development of the Chinese economy.This growth was particularly evident after the peaceful liberation of Xizang and the establishment of a modern national social elder service system in pastoral areas.The welfare system provides a way for elderly individuals who are living alone,widows,and disabled individuals toaccess practical institutional pension security.The national institutional pension model hasemerged as a way for marginalized elderly populations to instinctively perceive andcomprehend the assistance by the state.展开更多
基金Supported by the PetroChina Science and Technology Major Project(2021ZZ01-05)Hainan Merit-based Recruitment Project(ZDYF2024SHFZ147)National Natural Science Foundation of China(NNSC)Project(52474033)。
文摘By systematically reviewing the development status of global carbon dioxide capture,utilization and storage(CCUS)cluster,and comparing domestic and international CCUS industrial models and successful experiences,this study explores the challenges and strategies for the scaled development of the CCUS industry of China.Globally,the CCUS industry has entered a phase of scaled and clustered development.North America has established a system of key technologies in large-scale CO_(2) capture,long-distance pipeline transmission,pipeline network optimization,and large-scale CO_(2) flooding for enhanced oil recovery(CO_(2)-EOR),with relatively mature cluster development and a gradual shift in industrial model from CO_(2)-EOR to geological storage.The CCUS industry of China has developed rapidly across all segments but remains in the early stage of cluster development,facing challenges such as absent business model,insufficient policy support,and technological gaps in core areas.China needs to improve the policy support system to boost enterprises participation across the entire industrial chain,strengthen top-level design and medium-to long-term planning to accelerate demonstration projects construction for whole-process CCUS clusters,advance for a full-chain technological system,including low-cost capture,pipeline optimization and EOR/storage integration technologies,and strengthen personnel training,strengthen discipline construction and university-enterprise research cooperation.
文摘With the shift in the economic paradigm,there has been a notable increase in the number of young herders in Xizang who have moved to urban areas in search of employment opportunities or have attained financial independence and separated from their original families.These changes in family structure will gradually impact the elderly population who rely on familial support within traditional cultural contexts.Some elderly herdsmen have lost family support due to unfortunate family accidents or a lack of assistance resulting from the absence of biological descendants.The paper presents an argument about the transition of elder care in pastoral areas.It suggests a shift from the traditional family-based model to a dual mode that combines both family elder care and social elder care.This transformation was facilitated by economic growth at the regional level,which was a result of the overall development of the Chinese economy.This growth was particularly evident after the peaceful liberation of Xizang and the establishment of a modern national social elder service system in pastoral areas.The welfare system provides a way for elderly individuals who are living alone,widows,and disabled individuals toaccess practical institutional pension security.The national institutional pension model hasemerged as a way for marginalized elderly populations to instinctively perceive andcomprehend the assistance by the state.