Fuel prices in South Africa have seen their biggest drop in two years since midnight local time on September 6. According to the government's price adjustment plan, the price of 93 and 95 gas…
Nickel (II), an oxide of nickel, is a green-black, powder with the chemical Formula NiO. The Chemical Formula NiO is an intrinsic, p-type semiconductor, which has a large bandgap as well as good thermal and chemical stabilities. Purity: 99.98%The par…
The concrete mix design superplasticizer concrete The concrete mix design superplasticizer is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete adm…