In developed countries such as Europe, America and Japan, leaf spring suspension models have gradually been replaced by air suspension models. The proportion of air suspension for trucks and semi-trailers in Europe and the United States has reached more than 95%, and.......
On September 6, the reporter learned from the Dongying Inspection and Quarantine Bureau that recently, the 2015 Global Tire Top 75 list by the US “Tire Business†was announced, and seven companies in Dongying City wer.......
On September 6th, 2015, Tanchai Power revealed during the survey conducted by the agency: Since the commencement of production of the Linde hydraulic project, the output of the Linde hydraulic project has been continuously expanded. It has been successfully matched w.......
Recently, Canon created a new pixel record. According to the company's own introduction, they developed an APS-H CMOS sensor with up to 2.5 billion pixels (19,580 x 12,600) that identifies letters on planes that are 18 kilometers away. The size of the APS-H sensor is larger than the AP.......
1 Working principle of air compressor The screw air compressor is a volumetric air compressor, which achieves the purpose of gas compression by gradually reducing the working volume. The working volume of the screw air compressor is composed of a pair of slots of a rotor which are placed .......
Design of embedded DC motor PWM speed control system based on ARM Yang Xuecun, etc. In the design of acceleration and deceleration program, firstly, the speed measurement subroutine is called, then the PID algorithm subroutine is called, and the system is set according to the PID algorith.......
The Shu Qi Fig Base in Bali Township, Jinnan District was established in 2011. After several years of exploration, it has found a path to scientific planting and efficient management. This year's figs here are not only high-yield but also of high quality. Fu Guishan, head of the base r.......