The World Platinum Investment Association (WPIC) said recently that carmakers are accelerating reductions in palladium use and increased use of platinum due to concerns about Russian palladium supplies. However, it still expects a significant surplus…
Zinc sulfide is an inorganic compound with the chemical formula ZnS, which is white to off-white or light yellow powder in appearance. When exposed to light, the color becomes darker and is widely used as a pigment. Used as a window for visible and i…
Zinc sulfide is an inorganic compound with the chemical formula ZnS, widely used as a pigment, zinc sulfide is a dense composite form that can be transparent and used as a window for visible and infrared optics.…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…