Friday, November 05, 2021 – 06:45am
PAXLOVID™ (PF-07321332; ritonavir) was found to reduce the risk of hospitalization or death by 89% compared to placebo in non-hospitalized high-risk adult...
Scientists around the world have made promising breakthroughs in developing a cure for COVID-19. Among new developments include antiviral pills and antibody compounds. As more countries look to ado...
Yellow phosphorus and phosphoric acid rose together
Yunnan-guizhou yellow phosphorus prices rose.Data show that the offer of 34500 yuan/ton at the beginning of the week has risen to 60,000 yuan/to...
1. Abstract
Enrichment palladium of palladium catalysts by pyrometallurgy, then dissolve the palladium in admixture acid, the liquid is analyzed by AAS.
2. Reagent
2.1 Hydrochloric acid(ρ1.19g/ml)
...