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...
President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, presents China’s top science award to a...
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)
...
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...