Aiming at the application requirements of information optics,this Letter proposed a perovskite quantum dot random lasing pumping method suitable for high-speed modulation.At the same time,the luminescence characterist...Aiming at the application requirements of information optics,this Letter proposed a perovskite quantum dot random lasing pumping method suitable for high-speed modulation.At the same time,the luminescence characteristics of perovskite quantum dot films under electron beam pumping conditions are analyzed,and the random lasing mechanism of electron beam pumping CsPbBr3 quantum dot films is revealed.Finally,it is confirmed that perovskite quantum dots are easy to realize random lasing under electron beam pumping conditions.展开更多
Purpose:The purpose of this literature review is to investigate the effectiveness of transformational school leadership(TSL)in Chinese K-12 settings between 2010 and 2019.The main objective is to provide a comprehensi...Purpose:The purpose of this literature review is to investigate the effectiveness of transformational school leadership(TSL)in Chinese K-12 settings between 2010 and 2019.The main objective is to provide a comprehensive understanding of TSL research in China and identify the possible future research directions.Design/Approach/Methods:Vote counting method and narrative synthesis were applied in this review.Findings:This review found the majority of the studies were quantitative,which indicates that qualitative and mixed-method studies should be encouraged.This review also identified 12 major outcome variables,including 9 teacher-level variables,2 school-level variables,and 1 student-level variable.Additionally,the effects of transformational leadership on these outcome variables were uniformly significant,including both direct and indirect effects.Future studies should expand the scope of school-level and student-level outcome variables,but particularly student-level outcome variables.Originality/Value:This is the first systematic review on the effectiveness of TSL research in China,which included both English and Chinese studies.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(Nos.51602028,61905026,and 11874091)the Jilin Province Science and Technology Development Project(Nos.20180519019JH and20180804009HJ)+2 种基金the Jilin Province Industrial Innovation Special Fund Project(Nos.2018C040-3 and 2019C043-6)the Development of Key Laboratory of Astronomical Optics Technology,the Chinese Academy of Sciences(No.CAS-KLAOT-KF201803)the Changchun University of Science and Technology(No.XJJLG-2017-01).
文摘Aiming at the application requirements of information optics,this Letter proposed a perovskite quantum dot random lasing pumping method suitable for high-speed modulation.At the same time,the luminescence characteristics of perovskite quantum dot films under electron beam pumping conditions are analyzed,and the random lasing mechanism of electron beam pumping CsPbBr3 quantum dot films is revealed.Finally,it is confirmed that perovskite quantum dots are easy to realize random lasing under electron beam pumping conditions.
文摘Purpose:The purpose of this literature review is to investigate the effectiveness of transformational school leadership(TSL)in Chinese K-12 settings between 2010 and 2019.The main objective is to provide a comprehensive understanding of TSL research in China and identify the possible future research directions.Design/Approach/Methods:Vote counting method and narrative synthesis were applied in this review.Findings:This review found the majority of the studies were quantitative,which indicates that qualitative and mixed-method studies should be encouraged.This review also identified 12 major outcome variables,including 9 teacher-level variables,2 school-level variables,and 1 student-level variable.Additionally,the effects of transformational leadership on these outcome variables were uniformly significant,including both direct and indirect effects.Future studies should expand the scope of school-level and student-level outcome variables,but particularly student-level outcome variables.Originality/Value:This is the first systematic review on the effectiveness of TSL research in China,which included both English and Chinese studies.
