At present, the application of long-distance card readers has become more and more widespread, mainly reflected in the following aspects. 1. Home-school access student security SMS system; 2. Enterprises and institutions personnel access automatic attendance system; 3. Coal mine downhole person ...read more...
Abstract Organized by the State Council Counselor's Office, the Globalization Think Tank (CCG), the International Strategic Research Center of the State Council Counselor's Office, the Financial Research Center of the State Council Counselor's Office, and the South-South Cooperati ...read more...
The smart locks on the market today are varied and dazzling. Many people are also using smart locks, but they may only understand the surface of the smart lock function, the following Xiao Bian will take everyone in detail; Understand one of the smart locks in Asia Pacific Tianneng smart lock funct ...read more...
Technical Research Power Active Filtering Technology Wu Zhengguo Naval University of Engineering 430030 Wuhan source filter is widely used. This article describes the basic principles and classification of the active power filter technology, several major control strategies that have been propose ...read more...
Wu Bo, Overseas Marketing Director, Jiangmao Kemao Metal Products Co., Ltd. Kemao Metal has been manufacturing tinplate for 24 years. In recent years, it has accumulated a number of foreign customers. The exhibitors displayed samples of all specifications of the company: thickness 0.14mm to 0.5m ...read more...
As a necessity of intelligent hardware, smart home products maintain the necessary operation of the entire smart home system. Want these smart home products to play its due role, electricity is the first condition. Electricity provides the basis for operation of all intelligent hardware. Then, the ...read more...
Engineering plastics generally refer to plastic materials that can withstand mechanical stress as structural materials and can be used over a wide temperature range and in harsh chemical and physical environments. Engineering plastics can be divided into general engineer ...read more...