Twin structures have been intensively studied for improving the strength and plasticity of metallic materials[1-8].To achieve a high strength of alloys without loss of ductility,researchers have controlled the microst...Twin structures have been intensively studied for improving the strength and plasticity of metallic materials[1-8].To achieve a high strength of alloys without loss of ductility,researchers have controlled the microstructures containing a high density of twin boundaries(TBs),which can hinder and generate dislocations[9-13].展开更多
Digital Earth is an information expression of the real Earth,and is a new way of understanding the Earth in the twenty-first century.This paper introduces a Digital Earth Prototype System(DEPS)developed at the Chinese...Digital Earth is an information expression of the real Earth,and is a new way of understanding the Earth in the twenty-first century.This paper introduces a Digital Earth Prototype System(DEPS)developed at the Chinese Academy of Sciences(CAS)and supported by the Knowledge Innovation Program of the Chinese Academy of Sciences.Discussions are made to the theoretical model and technical framework of the Digital Earth,and its related key technologies on spatial information processing,spatial data warehouse technology,virtual reality technology,high-performance and parallel computing.The DEPS consists of seven sub-systems including the spatial data,metadata,model database,Grid geoscience computing,spatial information database,maps service and virtual reality.Meanwhile,we developed a series of application systems such as the environment monitoring for the Olympic Games 2008 in Beijing,natural disasters evaluation,digital city,digital archeology,Asia regional aerosol and climate change.The DEPS/CAS displayed the application ability and potential of the Digital Earth in three levels:the global,national and regional.展开更多
基金support by the National Key Research Program of China(No.2021YFB3702604)and the National Science and Technology Ma-jor Project(No.J2019-VI-0005-0119).Hao Wang acknowledges the financial support of the National Natural Science Foundation of China(Nos.U2241245 and 91960202)+2 种基金the Aeronautical Sci-ence Foundation of China(No.2022Z053092001)the Opening Project of National Key Laboratory of Shock Wave and Detonation Physics(No.2022JCJQLB05702)the Shanghai Engineering Re-search Center of High-Performance Medical Device Materials(No.20DZ2255500).
文摘Twin structures have been intensively studied for improving the strength and plasticity of metallic materials[1-8].To achieve a high strength of alloys without loss of ductility,researchers have controlled the microstructures containing a high density of twin boundaries(TBs),which can hinder and generate dislocations[9-13].
基金supported by National Basic Research Program of China(973 Program,NO.2009CB723906)the Knowledge Innovation Program of Chinese Academy of Sciences(NO.KKCX1-YW-01).
文摘Digital Earth is an information expression of the real Earth,and is a new way of understanding the Earth in the twenty-first century.This paper introduces a Digital Earth Prototype System(DEPS)developed at the Chinese Academy of Sciences(CAS)and supported by the Knowledge Innovation Program of the Chinese Academy of Sciences.Discussions are made to the theoretical model and technical framework of the Digital Earth,and its related key technologies on spatial information processing,spatial data warehouse technology,virtual reality technology,high-performance and parallel computing.The DEPS consists of seven sub-systems including the spatial data,metadata,model database,Grid geoscience computing,spatial information database,maps service and virtual reality.Meanwhile,we developed a series of application systems such as the environment monitoring for the Olympic Games 2008 in Beijing,natural disasters evaluation,digital city,digital archeology,Asia regional aerosol and climate change.The DEPS/CAS displayed the application ability and potential of the Digital Earth in three levels:the global,national and regional.
