The reasons why the sander heats up quickly are as follows:
1. The motor of the machine itself is made of motor west, the temperature rise is large, and the heat dissipation is poor;
2. The ambient air temperature is high, the heat dissipation of the motor i…

In printing and copying, the number of color printed images has a considerable proportion. The color printed image is printed by the cyan, magenta, and yellow primary inks, and various colors are displayed, so that the color original image is reproduced. In the reproduction, due to the inf…

He Bin, a professor at the University of Minnesota in the United States, led a team that developed a quadrotor helicopter that could be control…

Analytical method Instruments: YL9100 HPLC: YL9110 pump, YL9120 UV / Vis Detector Sample: arctiin reference mobile phase: methanol: water-1: 1.1 column temperature: 25 ° C flow rate: 1ml / min detection wavelength: 280nm

…

This is an old house full of memories and emotions. After renovation and reconstruction, many old things were preserved and transformed. The original countr…