It is understood that the filter is the use of porous filter media, retaining liquid particles and solid particles in the mixture of solid particles, and solid, liquid separation equipment. Filters are widely used in chemical, petroleum, pharmaceutical, light industry, food, beneficiation,.......

The radial and end face swing of the arbor and the axial turbulence of the arbor directly affect the hob clamping and the radial runout of the turret. If the adjustment of the arbor and the hob is not fine, the accuracy and rigidity of the machine tool are good, and the high-precision medi.......

This year's Nobel Prize in Physics was awarded to the inventor of Blu-ray LEDs, and the replacement of traditional light sources by LEDs has become an inevitable trend. This morning, the Department of Light Sources and Lighting Engineering of Fudan University released the latest research re.......