The 19th Beijing Conference and Exhibition on Instrumental Analysis (BCEIA 2021) was held on September 27-29, 2021 at China International Exhibition Center (Tianzhu New Hall), Beijing. Adhering to...
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...
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)
...
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...