O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.
According to the spectroscopic characteristics of haemoglobin and oxyhaemoglobin,this paper present a new system for monitoring the arterial oxygen saturation.
The paper introduces their salt-tolerance mech anism and research progress regarding conventional anaerobic or aerobic sludge, halophile and salt-tolerant yeast.
Diester deoxyaconitine is very toxic.When deoxyaconitine was transformed into mono-ester aconitum alkaloids and lipo-alkaloids by human intestinal bacteria, the toxicity decreased.
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
In terms of ecological factors, it is summarized the development of ecological factors(biological factors and abiological factors) for the ANAMMOX system in this paper.
The improvement of the purity of fluorene is not dependent on the removal of acenaphthene and dibenzofuran, but dependent on the separation of other impurities.