Refineries often need to find similar crude oil to replace the scarce crude oil for stabilizing the feedstock property.We introduced the method for calculation
Tungsten film(W film) is deposited by using the ion beam assisted deposition(IBAD) on the 316 L substrate surface in this experiment. The micro structure and na
<正>Needle coke is the starting material for manufacture of premium graphite electrode,which at present cannot be produced by SINOPEC and even other domestic re