The World Sustainability Standards Organization(WSSO)was established in October 2023.This organization aims to unify various standards in the fields of sustainable development such as energy,carbon sinks,green finance...The World Sustainability Standards Organization(WSSO)was established in October 2023.This organization aims to unify various standards in the fields of sustainable development such as energy,carbon sinks,green finance,ecological environment industries,energy conservation and environmental protection,carbon neutrality-related technologies,and ESG.WSSO supports the implementation of projects stipulated in the Paris Agreement such as the carbon market,and enhance the global coordination efforts in areas such as the digital currency of central banks and the carbon payment settlement system by connecting the digital currencies of various countries.展开更多
Marine structures are mostly made of metals and always experience complex random loading during their service periods. The fatigue crack growth behaviors of metal materials have been proved from laboratory tests to be...Marine structures are mostly made of metals and always experience complex random loading during their service periods. The fatigue crack growth behaviors of metal materials have been proved from laboratory tests to be sensitive to the loading sequence encountered. In order to take account of the loading sequence effect, fatigue life prediction should be based on fatigue crack propagation（FCP） theory rather than the currently used cumulative fatigue damage（CFD） theory. A unified fatigue life prediction（UFLP） method for marine structures has been proposed by the authors＇ group. In order to apply the UFLP method for newly designed structures, authorities such as the classification societies should provide a standardized load-time history（SLH） such as the TWIST and FALSTAFF sequences for transport and fighter aircraft. This paper mainly aims at proposing a procedure to generate the SLHs for marine structures based on a short-term loading sample and to provide an illustration on how to use the presented SLH to a typical tubular T-joint in an offshore platform based on the UFLP method.展开更多
In March 2025,prominent Chinese automaker NIO(Shanghai,China),the global leader in electric vehicle(EV)battery swapping,and Contemporary Amperex Technology Co.,Ltd.(CATL)(Nindge,China),the world’s biggest manufacture...In March 2025,prominent Chinese automaker NIO(Shanghai,China),the global leader in electric vehicle(EV)battery swapping,and Contemporary Amperex Technology Co.,Ltd.(CATL)(Nindge,China),the world’s biggest manufacturer of EV batteries,announced a strategic partnership to build the world’s largest battery swapping network,while also promoting unified standards and technologies[1].Just weeks later,CATL announced another partnership,this one with Chinese state-owned oil giant Sinopec(Beijing,China)to build 10000 new battery swapping stations in China,at least 500 in 2025[2].展开更多
We present a comprehensive theoretical analysis of the general standard model(GSM),a recently proposed framework that unifies particle physics and cosmology within the gravitational quantum field theory(GQFT).Construc...We present a comprehensive theoretical analysis of the general standard model(GSM),a recently proposed framework that unifies particle physics and cosmology within the gravitational quantum field theory(GQFT).Constructed from first principles based exclusively on the intrinsic properties of leptons and quarks,the GSM reveals an enlarged gauge symmetry structure,WS_(c)(1,3)×GS(1)×Z_(2),which extends beyond the conventional U_(Y)(1)×SU_(L)(2)×SU_(C)(3) symmetry of the standard model.Here,WS_(c)(1,3) = SP(1,3)⋊W^(1,3)⋊SP_(c)(1,1) emerges as the conformal inhomogeneous spin gauge symmetry.Within GQFT,the GSM provides a consistent unification of the standard model of particle physics with cosmological models.It incorporates the four known fundamental interactions,electromagnetic,weak,strong,and gravitational,plus the Higgs scalar interaction,and also predicts novel interactions.These include spin gauge,chirality boost-spin gauge,chiral conformal-spin gauge,and scaling gauge forces,as well as additional scalar interactions.Furthermore,the GSM offers profound insights into the nature of gravity and spacetime and elucidates key mysteries of the dark side of the universe,such as the origins of dark matter,the dynamics of dark energy,and the physics of the early inflationary epoch.By establishing a new theoretical bridge between quantum field theory and general relativity,the GSM opens novel pathways for addressing long-standing challenges in fundamental physics.It provides a unified description of both fundamental interactions and cosmic evolution.展开更多
文摘The World Sustainability Standards Organization(WSSO)was established in October 2023.This organization aims to unify various standards in the fields of sustainable development such as energy,carbon sinks,green finance,ecological environment industries,energy conservation and environmental protection,carbon neutrality-related technologies,and ESG.WSSO supports the implementation of projects stipulated in the Paris Agreement such as the carbon market,and enhance the global coordination efforts in areas such as the digital currency of central banks and the carbon payment settlement system by connecting the digital currencies of various countries.
基金financially supported by the Fourth Term of"333 Engineering"Program of Jiangsu Province(Grant No.BRA2011116)Youth Foundation of Jiangsu Province(Grant No.BK2012095)Special Program for Hadal Science and Technology of Shanghai Ocean University(Grant No.HAST-T-2013-01)
文摘Marine structures are mostly made of metals and always experience complex random loading during their service periods. The fatigue crack growth behaviors of metal materials have been proved from laboratory tests to be sensitive to the loading sequence encountered. In order to take account of the loading sequence effect, fatigue life prediction should be based on fatigue crack propagation（FCP） theory rather than the currently used cumulative fatigue damage（CFD） theory. A unified fatigue life prediction（UFLP） method for marine structures has been proposed by the authors＇ group. In order to apply the UFLP method for newly designed structures, authorities such as the classification societies should provide a standardized load-time history（SLH） such as the TWIST and FALSTAFF sequences for transport and fighter aircraft. This paper mainly aims at proposing a procedure to generate the SLHs for marine structures based on a short-term loading sample and to provide an illustration on how to use the presented SLH to a typical tubular T-joint in an offshore platform based on the UFLP method.
文摘In March 2025,prominent Chinese automaker NIO(Shanghai,China),the global leader in electric vehicle(EV)battery swapping,and Contemporary Amperex Technology Co.,Ltd.(CATL)(Nindge,China),the world’s biggest manufacturer of EV batteries,announced a strategic partnership to build the world’s largest battery swapping network,while also promoting unified standards and technologies[1].Just weeks later,CATL announced another partnership,this one with Chinese state-owned oil giant Sinopec(Beijing,China)to build 10000 new battery swapping stations in China,at least 500 in 2025[2].
基金supported by the National Key Research and Development Program of China (Grant No.2020YFC2201501)the National Natural Science Foundation of China (Grant Nos.12547104,12441504,12147103 and 11821505)the Strategic Priority Research Program of the Chinese Academy of Sciences。
文摘We present a comprehensive theoretical analysis of the general standard model(GSM),a recently proposed framework that unifies particle physics and cosmology within the gravitational quantum field theory(GQFT).Constructed from first principles based exclusively on the intrinsic properties of leptons and quarks,the GSM reveals an enlarged gauge symmetry structure,WS_(c)(1,3)×GS(1)×Z_(2),which extends beyond the conventional U_(Y)(1)×SU_(L)(2)×SU_(C)(3) symmetry of the standard model.Here,WS_(c)(1,3) = SP(1,3)⋊W^(1,3)⋊SP_(c)(1,1) emerges as the conformal inhomogeneous spin gauge symmetry.Within GQFT,the GSM provides a consistent unification of the standard model of particle physics with cosmological models.It incorporates the four known fundamental interactions,electromagnetic,weak,strong,and gravitational,plus the Higgs scalar interaction,and also predicts novel interactions.These include spin gauge,chirality boost-spin gauge,chiral conformal-spin gauge,and scaling gauge forces,as well as additional scalar interactions.Furthermore,the GSM offers profound insights into the nature of gravity and spacetime and elucidates key mysteries of the dark side of the universe,such as the origins of dark matter,the dynamics of dark energy,and the physics of the early inflationary epoch.By establishing a new theoretical bridge between quantum field theory and general relativity,the GSM opens novel pathways for addressing long-standing challenges in fundamental physics.It provides a unified description of both fundamental interactions and cosmic evolution.
