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)
...
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...