Recently,the 2016 Lithium Industry Forum,an event hosted by the China Nonferrous Metals Industry Association Lithium Branch,opened in Xining,Qinghai Province.Li Bingxin,Deputy Secretary-general of the China Nonferrous...Recently,the 2016 Lithium Industry Forum,an event hosted by the China Nonferrous Metals Industry Association Lithium Branch,opened in Xining,Qinghai Province.Li Bingxin,Deputy Secretary-general of the China Nonferrous Metals Industry Association Lithium Branch,shared the operation展开更多
Nowadays,SiO_(2)based material is one of the widest used materials in optical,microelectromechanical system,aerospace and some other industries.In practical application,SiO_(2)based materials are required to be joined...Nowadays,SiO_(2)based material is one of the widest used materials in optical,microelectromechanical system,aerospace and some other industries.In practical application,SiO_(2)based materials are required to be joined with themselves or other heterogeneous materials to assemble products with various functions.And the joining quality directly affects the mechanical performances and functional properties of assembled products.Though many researchers studied different joining technologies,explored the microstructure of joining interface and tested after-joining properties,a review that summarizes the recent cutting-edge researches and development tendency of joining technologies for SiO_(2)based ceramics is still absent.Therefore,according to different applications and requirements,this review summarizes the widely used joining technologies and discusses corresponding joining mechanisms,current research progress and suitable applications.Due to the wide applications in specific industry,laser welding,anodic bonding and wafer bonding are discussed in detail.Further,brazing,the widest used method in SiO_(2)joining,has been elaborated deeply in its wetting mechanism,residual stress control,interfacial microstructure and mechanical performance aspects.In the end,this review proposed the future development trends of SiO_(2)ceramics joining,aiming at offering a full-view of potential improvements in SiO_(2)ceramic joining technologies.展开更多
Based on the description of Industrial 4.0,gig economy,sharing economy,employee sharing,and changes in the labor market,this study analyzes the important role of human capital management in these new environments.This...Based on the description of Industrial 4.0,gig economy,sharing economy,employee sharing,and changes in the labor market,this study analyzes the important role of human capital management in these new environments.This study concludes that the human resource management focusing on promoting human capital of Chinese enterprises is confronted by the following development trends:localization mode,intelligent function,precise efficiency,and experiencing practice.Finally,in view of the above trends,the paper proposes that the government should support them through targeted policies and enterprises should maximize the value of their human capital.At the same time,employees should also make efforts to enhance their own sustainable human capital.展开更多
文摘Recently,the 2016 Lithium Industry Forum,an event hosted by the China Nonferrous Metals Industry Association Lithium Branch,opened in Xining,Qinghai Province.Li Bingxin,Deputy Secretary-general of the China Nonferrous Metals Industry Association Lithium Branch,shared the operation
基金the National Natural Science Foundation of China(Grant Nos 51575135,51622503)Natural Science Foundation of Heilongjiang Province of China(YQ2019E023)。
文摘Nowadays,SiO_(2)based material is one of the widest used materials in optical,microelectromechanical system,aerospace and some other industries.In practical application,SiO_(2)based materials are required to be joined with themselves or other heterogeneous materials to assemble products with various functions.And the joining quality directly affects the mechanical performances and functional properties of assembled products.Though many researchers studied different joining technologies,explored the microstructure of joining interface and tested after-joining properties,a review that summarizes the recent cutting-edge researches and development tendency of joining technologies for SiO_(2)based ceramics is still absent.Therefore,according to different applications and requirements,this review summarizes the widely used joining technologies and discusses corresponding joining mechanisms,current research progress and suitable applications.Due to the wide applications in specific industry,laser welding,anodic bonding and wafer bonding are discussed in detail.Further,brazing,the widest used method in SiO_(2)joining,has been elaborated deeply in its wetting mechanism,residual stress control,interfacial microstructure and mechanical performance aspects.In the end,this review proposed the future development trends of SiO_(2)ceramics joining,aiming at offering a full-view of potential improvements in SiO_(2)ceramic joining technologies.
基金supported by the key project of the National Natural Science Foundation of China(No.71832007)the young project of the National Natural Science Foundation of China(No.71702071)。
文摘Based on the description of Industrial 4.0,gig economy,sharing economy,employee sharing,and changes in the labor market,this study analyzes the important role of human capital management in these new environments.This study concludes that the human resource management focusing on promoting human capital of Chinese enterprises is confronted by the following development trends:localization mode,intelligent function,precise efficiency,and experiencing practice.Finally,in view of the above trends,the paper proposes that the government should support them through targeted policies and enterprises should maximize the value of their human capital.At the same time,employees should also make efforts to enhance their own sustainable human capital.
