Well integrity technology can effectively ensure the safety of the entire life cycle of oil and gas wells. With the exploration and development of more and more high-temperature, high-pressure, high-yield and deep wel...Well integrity technology can effectively ensure the safety of the entire life cycle of oil and gas wells. With the exploration and development of more and more high-temperature, high-pressure, high-yield and deep wells, and the constantly increasing requirements for safety and environmental protection in various countries, well integrity technology has become a research hot spot in the oil industry. Based on the analysis of the four basic concepts of well integrity: full life cycle, well integrity management system, well barrier, and risk assessment, this article conducts a comparative analysis of the development history of well integrity technologies at home and abroad, and systematically summarizes foreign wells. The current status of integrity technology, based on the above investigation and analysis, puts forward suggestions for the next development direction of well integrity technology, which has certain guiding significance for the development of the integrity of the next step.展开更多
针对高校学生身心健康存在的问题,采用主题词检索方式,利用知网(CNKI)、万方(WAN-Fang)和Web of Science等数据库,收集太极拳干预大学生身心健康的随机对照试验(RCT)的相关文献,并采用物理治疗证据数据库(PEDro)量表进行质量评价,系统...针对高校学生身心健康存在的问题,采用主题词检索方式,利用知网(CNKI)、万方(WAN-Fang)和Web of Science等数据库,收集太极拳干预大学生身心健康的随机对照试验(RCT)的相关文献,并采用物理治疗证据数据库(PEDro)量表进行质量评价,系统综述了太极拳运动对大学生身心健康的影响。研究结果表明:纳入的15篇文献,整体研究质量较好;以24式简化太极拳为主的运动能够改善大学生的身心健康。制定的干预方案为每次60 min,每周2~5次,持续时间为8~12周。以期为促进大学生心理健康提供理论基础和实践指导。展开更多
文摘Well integrity technology can effectively ensure the safety of the entire life cycle of oil and gas wells. With the exploration and development of more and more high-temperature, high-pressure, high-yield and deep wells, and the constantly increasing requirements for safety and environmental protection in various countries, well integrity technology has become a research hot spot in the oil industry. Based on the analysis of the four basic concepts of well integrity: full life cycle, well integrity management system, well barrier, and risk assessment, this article conducts a comparative analysis of the development history of well integrity technologies at home and abroad, and systematically summarizes foreign wells. The current status of integrity technology, based on the above investigation and analysis, puts forward suggestions for the next development direction of well integrity technology, which has certain guiding significance for the development of the integrity of the next step.
文摘针对高校学生身心健康存在的问题,采用主题词检索方式,利用知网(CNKI)、万方(WAN-Fang)和Web of Science等数据库,收集太极拳干预大学生身心健康的随机对照试验(RCT)的相关文献,并采用物理治疗证据数据库(PEDro)量表进行质量评价,系统综述了太极拳运动对大学生身心健康的影响。研究结果表明:纳入的15篇文献,整体研究质量较好;以24式简化太极拳为主的运动能够改善大学生的身心健康。制定的干预方案为每次60 min,每周2~5次,持续时间为8~12周。以期为促进大学生心理健康提供理论基础和实践指导。