Reducing drugs and controlling harm is not only the main goal of current agricultural development, but also one of the key contents in the development of tea gardens. In order to reduce the control of tea gardens, other green prevention and control technologies are needed to repl.......
Seeds are essential for agricultural production activities, and high-quality seeds should have both good variety attributes and good sowing quality. Therefore, in order to grasp the quality of seeds, it is necessary to carry out the test of seed quality, and the test of seed'.......
Using the Hall effect principle, when the metal tooth passes through the front end of the Hall sensor, the magnetic field changes, the Hall element detects the magnetic field change, and converts it into an alternating electric signal. The built-.......
First, technical parameters:
1. Measurement: Any specification within ±400mm
2. Excitation: 1500Hz, 10 ~ 20VAC
3. Linear impedance: 250Ω ± 50Ω (1500Hz)
4. Linearity: ±1.5% of effective full scale
5. Operating temperatu.......
XH-S1-A02-B01-C01, XHS2G-A01-B02, XHS2G intelligent speed monitoring and protection device I. Overview
HZD-8500/C/D turbine monitoring and protection device, HZD-RSDC type overspeed protection device, 8500B rotating machinery monitoring and protection system, HZW type axial di.......
On September 3, 2019, Liugong, the world's leading manufacturer of construction machinery and equipment, brought 36 powerful equipment to the 15th China (Beijing) International Construction Machinery, Building Materials Machine.......
The small weather station is a special equipment for the Bureau of Agriculture, Chinese Academy of Sciences, soil and fertilizer stations, and colleges and universities. It is also widely used in meteorology and agriculture to detect the impact of meteorological changes on crops,.......
On November 25, 2011, the 10th annual peak meeting of China's auto industry development was held in Baotou City, Inner Mongolia. The theme of this year's annual meeting is to “grasp the trend, transform and upgrade, seize the opportunity, and meet the challengesâ€........