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The mechanism of Pb (II) biosorption by Saccharmyces Cerevisiae is investigated by scanning electron microscopy-energy dispersive x-ray (SEM-EDX) sepectroscopy,fourier transform infrared (FTIR) spectroscopy and x-ray photoelectron spectroscopy (XPS).The SEM figures show that the shapes of Saccharomyces Cerevisiae cells doesn’t obviously change after(More)
Located in the central area of Dali in Yunnan Province, the Erhai Lake Basin is an important agricultural industry base in China with its unique geographical and climate conditions, etc. However, the agricultural structure and land-use patterns in the basin have had some impact on the water environment in Erhai Lake Basin, and soil and water loss and the(More)
Within the last 10 years, various kinds of corona-induced non-thermal plasmas have been investigated in order to remove gaseous pollutants, such as SO<sub>2</sub> and NO, from air and exhaust gases. Normally, the gas treatment is carried out at or above room temperature by the conventional dry-type corona reactor. However, this treatment is still inadequate(More)
The influences of bismuth (Bi) on the microstructure and ferroelectricity of Sr<sub>0.5</sub>Ba<sub>0.5-x</sub>Bi<sub>x</sub>TiO <sub>3</sub> (BST) thin films were studied. The Pr, Ps and Ec was 0.22muC/cm<sup>2</sup>, 0.72muC/cm<sup>2</sup> and 60 Kv/cm respectively for Sr<sub>0.5</sub>Ba<sub>0.485</sub>Bi<sub>0.015</sub>TiO <sub>3</sub> thin film at 100(More)
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