The push services provide an incredibly efficient and reliable way of sending information to mobile device users. However, very little is known about how push service providers implement their services. This understanding is valuable as a guideline for building well-performing mobile...

Purpose: The purpose of this paper is to improve the operation and maintenance intelligence of power systems, and summarize the transmission line robots and their key technologies. High-voltage power cables are important channels for power transmission systems. Their special geographical...

China has experienced extraordinary institutional and socio-economic changes after 1978, and its deepening reform to market-oriented economy since 1990s was also recognized as one the most significant factors to drive China's rise in the contemporary world. Although many aspects of China's...

Using a sample of 1486 Chinese A-share listed companies for the period 2004-2008, this study empirically tests the impact of family control, institutional environment and their interaction on the cash dividend policy of listed companies. Our results indicate that (1) family firms have a lower...

Purpose: This study aims to the three major problems of low cleaning efficiency, high labor intensity and difficult to evaluate the cleaning effect for manual insulators cleaning in ultra high voltage (UHV) converter station, the purpose of this paper is to propose a basic configuration of UHV...