Showing 51 - 60 of 61
Herein, we reported a facile and efficient method to mass fabricate special structure of standing hollow circular cylinder ordered arrays (HCCA). The strategy of fabrication of the HCCA is reactive ion etching of silicon covered with monolayer colloidal spheres as mask under the mixture of SF 6...
Persistent link: https://www.econbiz.de/10013303118
Using a sample of Chinese firms from 2007 to 2021, this study unravels the distinct influence of female directorship on corporate social responsibility (CSR) activities. We show a strong correlation between female directors and an enhancement in overall and particularly, internal CSR engagement....
Persistent link: https://www.econbiz.de/10014353151
Persistent link: https://www.econbiz.de/10014492394
Numerous studies have revealed that the development of green technology innovation is extremely important for minimizing haze pollution. However, limited by serious endogenous problems, research rarely focuses on the effect of haze pollution on green technology innovation. The effect of haze...
Persistent link: https://www.econbiz.de/10014242901
With the continuously increasing application of photovoltaic (PV) panels, how to effectively manage these valuable facilities has become an issue of concern. A new PV panel condition monitoring and fault diagnosis technique is developed in this paper. The new technique uses a U-Net neural...
Persistent link: https://www.econbiz.de/10013304522
Multi-way tensor data are prevalent in many scientific areas such as genomics and biomedical imaging. We consider a K-way tensor-normal distribution, where the precision matrix for each way has a graphical interpretation. We develop an l1 penalized maximum likelihood estimation and an efficient...
Persistent link: https://www.econbiz.de/10010776642
Dynamic ride-share systems aim to bring together travelers with similar itineraries and time schedules on short-notice. These systems may provide significant societal and environmental benefits by reducing the number of cars used for personal travel and improving the utilization of available...
Persistent link: https://www.econbiz.de/10010595007
Smartphone technology enables dynamic ride-sharing systems that bring together people with similar itineraries and time schedules to share rides on short-notice. This paper considers the problem of matching drivers and riders in this dynamic setting. We develop optimization-based approaches that...
Persistent link: https://www.econbiz.de/10010574813
As a drought tolerant plant, jujube (Ziziphus jujuba Mill.) is commonly planted in semiarid Northwest China under rainfed conditions. To clarify the response of water use to climatic conditions, sap flow (SF) in 8 non-irrigated jujube trees was monitored using thermal dissipation probes. Also...
Persistent link: https://www.econbiz.de/10011047868
Prior studies contend that an unexpected increase in inventory reflects a firm’s difficulty in generating sales and results in negative earnings growth and stock returns. Using a sample with over 85,000 observations for the period of 1950-2005, we confirm the negative relation between...
Persistent link: https://www.econbiz.de/10011206094