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...
Advantages of graphite electrode
(1) With the increasing complexity of die geometry and the diversification of product application, the discharge accuracy of spark machine is required to be higher...
Fuel cell is a kind of power generation device, which converts chemical energy in fuel into electric energy by redox reaction of oxygen or other oxidants. The most common fuel is hydrogen, which ca...
Solid lubricating bearings use metal materials as the foundation, and form well-ordered and appropriately sized holes on the foundation, and then embed oil-containing graphite or molybdenum disulfi...
Reaction-sintered silicon carbide porcelain has good compressive strength at ambient temperature, heat resistance to air oxidation, good wear resistance, good heat resistance, small coefficient of ...