Nanjing,capital city of present-day Jiangsu Province and once the capital of six dynasties,is home to a rich collection of cultural relics that bear witness to thousands of years of Chinese civilization.
Description Journal of Building Energy Efficiency(monthly),initiated in October 2006,supplies a platform for architects,mechanical engineers,civil engineers,energy researchers,energy policy makers and building industr...Description Journal of Building Energy Efficiency(monthly),initiated in October 2006,supplies a platform for architects,mechanical engineers,civil engineers,energy researchers,energy policy makers and building industry to communicate on investigations,innovation,research and development of energy efficiency in buildings.The Journal has been classified into the“Catalog of High-quality Sci-Tech Journals of Building Science(2020,T3)”by the Architectural Society of China(ASC),certificated as the“Source Journal for Chinese Scientific and Technical Papers and Citations”by Institute of Scientific and Technical Information of China(ISTIC)since 2013 and the“China Core Academic Journal of RCCSE”by Library of Wuhan University and other cooperating institutes since 2014.展开更多
The European vision of multipolarity and the Chinese vision of a harmonious world indicate a path toward a world of equilibrium At a time when misunderstandings between cultures run rampant,when walls offear,
“Development of family civilization”has joined legislative language system from policy language and ethical language,and has become the basic value orientation of the Marriage and Family Section of Civil Code of the...“Development of family civilization”has joined legislative language system from policy language and ethical language,and has become the basic value orientation of the Marriage and Family Section of Civil Code of the People's Republic of China(hereinafter referred to as“the Civil Code”).We need to specify significance and jurisprudence of family civilization,and make family civilization harmonious with the basic principles(basic value orientations)of Marriage and Family Section and Inheritance Section.The significance of family civilization in the new era should be taken to include equality,respect,loyalty and unity,as is specified through the legal rules of marriage and family.Development of family civilization does not challenge freedom,but overcomes the defects of individualism in the identity community so as to fully realize the liberal and all-round development of each family member.By integrating family civilization with the basic value orientation of its Marriage and Family Section,the Civil Code has demonstrated a basic position of valuing“family”and of“coordinating the relationship betweenaindividual and family.”Moreover,it has revealed the basic attitude of Chinese people towards marital relationship and even towards marriage and family:Marriage and family provide a warm harbor of ethical love with legal significance,a weal-and-woe-sharing community of affection and property wherein family members,husband and wife in particular,focus on overall coordination.It is a closeknit group of equality,harmony,solidarity,like-mindedness,mutual respect and care for the elderly and for the young,and of trust-worthy team.展开更多
The present technical paper outlines the details of the controlled blasting techniques used to optimize blasting pattern for excavation of hard rock near the Bhira Earthen Dam in Maharashtra,India.In this connection,a...The present technical paper outlines the details of the controlled blasting techniques used to optimize blasting pattern for excavation of hard rock near the Bhira Earthen Dam in Maharashtra,India.In this connection,a series of experimental blasts were conducted by adjusting various blast design parameters at project site.The safe charge weight per delay was kept between 0.125 and 0.375 kg.The outcomes of these experimental blasts were analyzed to recommend optimized blasting patterns and methods for the overall excavation process during actual blasting operations.Blast design parameters,including the maximum quantity of explosive per delay,hole depth,burden and spacing between holes were optimized by using a site-specific attenuation equation,taking into account the proximity of the dam and tunnel from the blasting area.Peak particle velocity(PPV)level of 10 mm/s and 50 mm/s respectively were adopted as the safe vibration level for ensuring safety of the Bhira Earthen Dam and the nearby tunnel from the adverse effects of blast vibrations by analyzing the dominant frequency of ground vibrations observed and also by reviewing various international standards.Frequency of the ground vibrations observed on the dam and tunnel from majority of the blasts was found to be more than 10 Hz and 50 Hz respectively.During the entire period of blasting,the blast vibrations were recorded to be far lower than the safe vibration level set for these structures.Maximum Vibration level of about 0.8 mm/s and 35 mm/s were observed on dam and tunnel respectively which are far lower than the safe vibration level adopted for these structures.Hence,the entire excavation work was completed successfully and safely,without endangering the safety of dam or tunnel.展开更多
With the deployment of ultra-dense low earth orbit(LEO)satellite constellations,LEO satellite access network(LEO-SAN)is envisioned to achieve global Internet coverage.Meanwhile,the civil aviation communications have i...With the deployment of ultra-dense low earth orbit(LEO)satellite constellations,LEO satellite access network(LEO-SAN)is envisioned to achieve global Internet coverage.Meanwhile,the civil aviation communications have increased dramatically,especially for providing airborne Internet services.However,due to dynamic service demands and onboard LEO resources over time and space,it poses huge challenges in satellite-aircraft access and service management in ultra-dense LEO satellite networks(UDLSN).In this paper,we propose a deep reinforcement learning-based approach for ultra-dense LEO satellite-aircraft access and service management.Firstly,we develop an airborne Internet architecture based on UDLSN and design a management mechanism including medium earth orbit satellites to guarantee lightweight management.Secondly,considering latency-sensitive and latency-tolerant services,we formulate the problem of satellite-aircraft access and service management for civil aviation to ensure service continuity.Finally,we propose a proximal policy optimization-based access and service management algorithm to solve the formulated problem.Simulation results demonstrate the convergence and effectiveness of the proposed algorithm with satisfying the service continuity when applying to the UDLSN.展开更多
With a global vision and a strong sense of responsibility,the CPC has been committed to promoting exchanges and mutual learning among civilizations and advancing the progress of human civilization.In March 2023,Genera...With a global vision and a strong sense of responsibility,the CPC has been committed to promoting exchanges and mutual learning among civilizations and advancing the progress of human civilization.In March 2023,General Secretary Xi Jinping put forth the Global Civilization Initiative(GCI)at the CPC in Dialogue with World Political Parties High-level Meeting,emphasizing the need to advocate the respect for the diversity of civilizations,the common values of humanity,the importance of inheritance and innovation of civilizations,and robust international people-to-people exchanges and cooperation.展开更多
At a time when humanity grapples with intersecting deficits in peace,development,security and governance,civilizations stand at a crossroads.As traditional Western-led solutions falter,China’s Global Civilization Ini...At a time when humanity grapples with intersecting deficits in peace,development,security and governance,civilizations stand at a crossroads.As traditional Western-led solutions falter,China’s Global Civilization Initiative(GCI)emerges as a transformative framework,translating historical wisdom into actionable strategies.Recent forums like the 11th Nishan Forum on World Civilizations and the Global Civilizations Dialogue Ministerial Meeting underscore growing consensus on core principles:equality,mutual learning,inclusive dialogue,and collaborative response to global challenges.As Chinese President Xi Jinping pointed out in his congratulatory letter to the Global Civilizations Dialogue Ministerial Meeting,“History shows that exchanges and mutual learning among civilizations are essential for civilizations to flourish and for human progress to be made.”展开更多
文摘Nanjing,capital city of present-day Jiangsu Province and once the capital of six dynasties,is home to a rich collection of cultural relics that bear witness to thousands of years of Chinese civilization.
文摘Description Journal of Building Energy Efficiency(monthly),initiated in October 2006,supplies a platform for architects,mechanical engineers,civil engineers,energy researchers,energy policy makers and building industry to communicate on investigations,innovation,research and development of energy efficiency in buildings.The Journal has been classified into the“Catalog of High-quality Sci-Tech Journals of Building Science(2020,T3)”by the Architectural Society of China(ASC),certificated as the“Source Journal for Chinese Scientific and Technical Papers and Citations”by Institute of Scientific and Technical Information of China(ISTIC)since 2013 and the“China Core Academic Journal of RCCSE”by Library of Wuhan University and other cooperating institutes since 2014.
文摘The European vision of multipolarity and the Chinese vision of a harmonious world indicate a path toward a world of equilibrium At a time when misunderstandings between cultures run rampant,when walls offear,
文摘“Development of family civilization”has joined legislative language system from policy language and ethical language,and has become the basic value orientation of the Marriage and Family Section of Civil Code of the People's Republic of China(hereinafter referred to as“the Civil Code”).We need to specify significance and jurisprudence of family civilization,and make family civilization harmonious with the basic principles(basic value orientations)of Marriage and Family Section and Inheritance Section.The significance of family civilization in the new era should be taken to include equality,respect,loyalty and unity,as is specified through the legal rules of marriage and family.Development of family civilization does not challenge freedom,but overcomes the defects of individualism in the identity community so as to fully realize the liberal and all-round development of each family member.By integrating family civilization with the basic value orientation of its Marriage and Family Section,the Civil Code has demonstrated a basic position of valuing“family”and of“coordinating the relationship betweenaindividual and family.”Moreover,it has revealed the basic attitude of Chinese people towards marital relationship and even towards marriage and family:Marriage and family provide a warm harbor of ethical love with legal significance,a weal-and-woe-sharing community of affection and property wherein family members,husband and wife in particular,focus on overall coordination.It is a closeknit group of equality,harmony,solidarity,like-mindedness,mutual respect and care for the elderly and for the young,and of trust-worthy team.
文摘The present technical paper outlines the details of the controlled blasting techniques used to optimize blasting pattern for excavation of hard rock near the Bhira Earthen Dam in Maharashtra,India.In this connection,a series of experimental blasts were conducted by adjusting various blast design parameters at project site.The safe charge weight per delay was kept between 0.125 and 0.375 kg.The outcomes of these experimental blasts were analyzed to recommend optimized blasting patterns and methods for the overall excavation process during actual blasting operations.Blast design parameters,including the maximum quantity of explosive per delay,hole depth,burden and spacing between holes were optimized by using a site-specific attenuation equation,taking into account the proximity of the dam and tunnel from the blasting area.Peak particle velocity(PPV)level of 10 mm/s and 50 mm/s respectively were adopted as the safe vibration level for ensuring safety of the Bhira Earthen Dam and the nearby tunnel from the adverse effects of blast vibrations by analyzing the dominant frequency of ground vibrations observed and also by reviewing various international standards.Frequency of the ground vibrations observed on the dam and tunnel from majority of the blasts was found to be more than 10 Hz and 50 Hz respectively.During the entire period of blasting,the blast vibrations were recorded to be far lower than the safe vibration level set for these structures.Maximum Vibration level of about 0.8 mm/s and 35 mm/s were observed on dam and tunnel respectively which are far lower than the safe vibration level adopted for these structures.Hence,the entire excavation work was completed successfully and safely,without endangering the safety of dam or tunnel.
基金supported in part by the National Key R&D Program of China under Grant 2020YFB1806104in part by Innovation and Entrepreneurship of Jiangsu Province High-level Talent Program+1 种基金in part by Natural Sciences and Engineering Research Council of Canada (NSERC)the support from Huawei
文摘With the deployment of ultra-dense low earth orbit(LEO)satellite constellations,LEO satellite access network(LEO-SAN)is envisioned to achieve global Internet coverage.Meanwhile,the civil aviation communications have increased dramatically,especially for providing airborne Internet services.However,due to dynamic service demands and onboard LEO resources over time and space,it poses huge challenges in satellite-aircraft access and service management in ultra-dense LEO satellite networks(UDLSN).In this paper,we propose a deep reinforcement learning-based approach for ultra-dense LEO satellite-aircraft access and service management.Firstly,we develop an airborne Internet architecture based on UDLSN and design a management mechanism including medium earth orbit satellites to guarantee lightweight management.Secondly,considering latency-sensitive and latency-tolerant services,we formulate the problem of satellite-aircraft access and service management for civil aviation to ensure service continuity.Finally,we propose a proximal policy optimization-based access and service management algorithm to solve the formulated problem.Simulation results demonstrate the convergence and effectiveness of the proposed algorithm with satisfying the service continuity when applying to the UDLSN.
文摘With a global vision and a strong sense of responsibility,the CPC has been committed to promoting exchanges and mutual learning among civilizations and advancing the progress of human civilization.In March 2023,General Secretary Xi Jinping put forth the Global Civilization Initiative(GCI)at the CPC in Dialogue with World Political Parties High-level Meeting,emphasizing the need to advocate the respect for the diversity of civilizations,the common values of humanity,the importance of inheritance and innovation of civilizations,and robust international people-to-people exchanges and cooperation.
文摘At a time when humanity grapples with intersecting deficits in peace,development,security and governance,civilizations stand at a crossroads.As traditional Western-led solutions falter,China’s Global Civilization Initiative(GCI)emerges as a transformative framework,translating historical wisdom into actionable strategies.Recent forums like the 11th Nishan Forum on World Civilizations and the Global Civilizations Dialogue Ministerial Meeting underscore growing consensus on core principles:equality,mutual learning,inclusive dialogue,and collaborative response to global challenges.As Chinese President Xi Jinping pointed out in his congratulatory letter to the Global Civilizations Dialogue Ministerial Meeting,“History shows that exchanges and mutual learning among civilizations are essential for civilizations to flourish and for human progress to be made.”
