In order to cope with the challenges caused by the pollution of internal combustion engines and the shortage of petroleum resources, many new engines with low energy consumption and low pollution characteristics have been developed, including electric motors, fuel cell engines, aerodynami…
China Drying News 2013 is on the lookout for more than half of the 2011-2015 period of the “Twelfth Five-Year Planâ€. All walks of l…
Copper sulfide ore, copper sulfur symbiosis is a common type of ore. The key to copper-sulfur ore flotation is the separation of copper minerals and iron-iron sulfide minerals. Xanthate i…
Small body, big energy, and small parts also play a big role. In the engine, the injector is an important part. It can accept the injection pulse signal sent from the engine EUC and accurately control the fuel injection quantity. The need for sophisticated precision control directly …
The economical indicator lamps are the characteristics of pests that have strong phototaxis, wave-like, color-rendering, and tropism information. They set the wavelength, wavelength, and frequency of light within a specific range, and use light and far distances at close range. D…