Universal Hydrogen’s hydrogen fuel cell demonstrator made its maiden flight to Moss Lake, Washington, last week. The test flight lasted 15 minutes and reached an altitude of 3,500 feet. The t...
Taking polyacrylonitrile based carbon felt as an example, the area weight is 500g/m2 and 1000g/m2, the longitudinal and transverse strength (N/mm2) are 0.12, 0.16, 0.10, 0.12, the breaking elongati...
The thermal conductivity and electrical conductivity of graphite rods are quite high, and their electrical conductivity is 4 times higher than that of stainless steel, 2 times higher than that of c...
In 1966, General Electric Company developed water electrolytic cell based on proton conduction concept, using polymer membrane as electrolyte. PEM cells were commercialized by General Electric in 1...
LONDON, April 9, 2020 /PRNewswire/ — Rise in outbreak of airborne diseases contributed to the growth of the masks market. Airborne transmission of infectious agents refers to the transmission...
The bond could not be resold for interest, and the A-share market was again thundering.
On November 19, Dongxu Optoelectronics announced a debt default.
On the 19th, Dongxu Optoelectronics and Dong...