QR codes are applied widely on the Internet and mobile devices in recent years.Its open standards and the characteristics of easy to generate lead to anyone can generate their QR code easily.Also,the QR code does not ...QR codes are applied widely on the Internet and mobile devices in recent years.Its open standards and the characteristics of easy to generate lead to anyone can generate their QR code easily.Also,the QR code does not have the ability of hiding information,which leads to everyone can get access to read the content in any QR code,including those hiding some secret content in the bytes of QR code.Therefore,in recent years,information tampering and information leakage cases caused by poor security of two-dimensional code occur frequently,especially in the financial field and multi-party verification scenarios.QR codes are almost impossible to use in these scenarios.Therefore,this paper proposes a distributed information sharing method based on information hiding QR code.This method can make secret code in QR code safer and robust,and the secret shared between receivers can be used for decryption and attacking detection.Therefore,on the one hand,the information hiding method can maximize the capacity of embedded secret information,on the other hand,it can prevent attacks by disguised attackers and recover hidden secret information through reconstruction.This paper illustrates the feasibility of this scheme through the form of theoretical proof.展开更多
This paper proposes a teaching model based on the concept of outcome-based education(OBE).OBE is meant to be a student-centered learning model.Based on OBE,the characteristics of project-based learning(PBL)and lecture...This paper proposes a teaching model based on the concept of outcome-based education(OBE).OBE is meant to be a student-centered learning model.Based on OBE,the characteristics of project-based learning(PBL)and lecture-based teaching approach are analyzed.Then,a combined teaching model is constructed based on Acharya’s research findings and PBL.This proposed model integrates PBL and lecture-based teaching approach to help achieve ideal learning outcomes.It enhances learners’learning initiative and creativity while ensuring holistic and systematic learning outcomes.展开更多
Dear Editor,Dense core vesicles(DCVs)are a class of secretory organelle present in a range of different cell types,including neurons,endocrine cells,such as adrenal chromaffin cells and isletβ-cells,and other secreto...Dear Editor,Dense core vesicles(DCVs)are a class of secretory organelle present in a range of different cell types,including neurons,endocrine cells,such as adrenal chromaffin cells and isletβ-cells,and other secretory cells,such as intestinal Paneth cells(Kim et al.,2006).Cargos are packed into immature DCVs as they emerge from the trans-Golgi network.展开更多
基金This work was partially supported by the National Natural Science Foundation of China(61876089,61876185,61902281,61375121)the Opening Project of Jiangsu Key Laboratory of Data Science and Smart Software(No.2019DS301)+1 种基金the Engineering Research Center of Digital Forensics,Ministry of Education,the Science and Technology Program of Jiangsu Province Construction System(2020JH08)the Priority Academic Program Development of Jiangsu Higher Education Institutions。
文摘QR codes are applied widely on the Internet and mobile devices in recent years.Its open standards and the characteristics of easy to generate lead to anyone can generate their QR code easily.Also,the QR code does not have the ability of hiding information,which leads to everyone can get access to read the content in any QR code,including those hiding some secret content in the bytes of QR code.Therefore,in recent years,information tampering and information leakage cases caused by poor security of two-dimensional code occur frequently,especially in the financial field and multi-party verification scenarios.QR codes are almost impossible to use in these scenarios.Therefore,this paper proposes a distributed information sharing method based on information hiding QR code.This method can make secret code in QR code safer and robust,and the secret shared between receivers can be used for decryption and attacking detection.Therefore,on the one hand,the information hiding method can maximize the capacity of embedded secret information,on the other hand,it can prevent attacks by disguised attackers and recover hidden secret information through reconstruction.This paper illustrates the feasibility of this scheme through the form of theoretical proof.
文摘This paper proposes a teaching model based on the concept of outcome-based education(OBE).OBE is meant to be a student-centered learning model.Based on OBE,the characteristics of project-based learning(PBL)and lecture-based teaching approach are analyzed.Then,a combined teaching model is constructed based on Acharya’s research findings and PBL.This proposed model integrates PBL and lecture-based teaching approach to help achieve ideal learning outcomes.It enhances learners’learning initiative and creativity while ensuring holistic and systematic learning outcomes.
基金supported by the National Natural Science Foundation of China (81570504, 31471337)
文摘Dear Editor,Dense core vesicles(DCVs)are a class of secretory organelle present in a range of different cell types,including neurons,endocrine cells,such as adrenal chromaffin cells and isletβ-cells,and other secretory cells,such as intestinal Paneth cells(Kim et al.,2006).Cargos are packed into immature DCVs as they emerge from the trans-Golgi network.
