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Our research focused on the Characteristics of HPAM degradation, using 11 hydrolyzed polyacrylamide degrading bacteria strains that were gained from Daqing field. In this study, we demonstrated that the degradation capability of the mixed strains was stronger than each single one. In addition, Infrared spectrum analysis and Gas Chromatography analysis on HPAM degradation products showed that, parts...
A novel strain exhibiting high laccase activity was screened and purified from forest soil of Liangshui National Nature Reserve in Heilongjiang with Cu2+ as the enrichment culture reagent. The strain was identified as Bacillus subtilis WD23 by the morphological, physiological, biochemical characteristics and the comparative analysis of 16S rDNA sequence. The strain showed optimum growth at 30°C and...
Improvement of thermal stability of piezoelectricity is a key to wide application of polypropylene ferroelectrets as a sensor. For this purpose, direct fluorination using fluorine gas, as one of the most effective approaches to the chemical modification of polymers, was performed to cellular PP films.
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