Based on historical evolution of Heijing,this paper analyzed the landscape features of natural landscape,general structure and man-made architecture in Heijing.Meanwhile,it revealed its historical position as a place ...Based on historical evolution of Heijing,this paper analyzed the landscape features of natural landscape,general structure and man-made architecture in Heijing.Meanwhile,it revealed its historical position as a place with thousands years of salt production as well as its solid economic financial resources.This article described and analysed the ancient town's space forms and the feelings from three space areas which are the natural environment,the artificial building and the spiritual cultural.The final conclusion hoped to supply a referent value in knowing well of the Heijing town and studying its construction and development as the role of an important commercial town in Ming and Qing dynasty.展开更多
Resorbable polymer electrospun nanofiber-based materials/devices have high surface-to-volume ratio and often have a porous structure with excellent pore interconnectivity,which are suitable for growth and development ...Resorbable polymer electrospun nanofiber-based materials/devices have high surface-to-volume ratio and often have a porous structure with excellent pore interconnectivity,which are suitable for growth and development of different types of cells.Due to the huge advantages of both resorbable polymers and electrospun nano fibers,re sorbable polymer electrospun nanofibers(RPENs)have been widely applied in the field of tissue engineering.In this paper,we will mainly introduce RPENs for tissue engineering.Firstly,the electrospinning technique and electrospun nanofiber architectures are briefly introduced.Secondly,the application of RPENs in the field of tissue engineering is mainly reviewed.Finally,the advantages and disadvantages of RPENs for tissue engineering are discussed.This review will provide a comprehensive guide to apply resorbable polymer electrospun nanofibers for tissue engineering.展开更多
文摘Based on historical evolution of Heijing,this paper analyzed the landscape features of natural landscape,general structure and man-made architecture in Heijing.Meanwhile,it revealed its historical position as a place with thousands years of salt production as well as its solid economic financial resources.This article described and analysed the ancient town's space forms and the feelings from three space areas which are the natural environment,the artificial building and the spiritual cultural.The final conclusion hoped to supply a referent value in knowing well of the Heijing town and studying its construction and development as the role of an important commercial town in Ming and Qing dynasty.
基金supported by research grants from the National Key R&D Program of China(No.2016YFD0400202-8)Scientific Instruments Development Project of the Science and Technology Commission of Shanghai Municipality(No.17142202800)。
文摘Resorbable polymer electrospun nanofiber-based materials/devices have high surface-to-volume ratio and often have a porous structure with excellent pore interconnectivity,which are suitable for growth and development of different types of cells.Due to the huge advantages of both resorbable polymers and electrospun nano fibers,re sorbable polymer electrospun nanofibers(RPENs)have been widely applied in the field of tissue engineering.In this paper,we will mainly introduce RPENs for tissue engineering.Firstly,the electrospinning technique and electrospun nanofiber architectures are briefly introduced.Secondly,the application of RPENs in the field of tissue engineering is mainly reviewed.Finally,the advantages and disadvantages of RPENs for tissue engineering are discussed.This review will provide a comprehensive guide to apply resorbable polymer electrospun nanofibers for tissue engineering.
