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The effect of gamma irradiation upon Al/HfO2/SiO2/Si MOS structure under different doses of 60Co is studied in this article as a function of total dosage. MOS capacitors with a stacked gate dielectric of 2.8nm thick SiO2 and 15nm thick HfO2 having electrode areas of 1mm∗1mm are prepared on the p-Si substrate using thermal oxidation and atomic layer deposition respectively. The MOS capacitors are under...
It is still a concerned issue to engineering industries that how to improve the high liquid limit clay as subgrade-filling. This article analyzed the three improvement methods about admixing lime, cement, and both cement and fly ash by field tests datum, and conducted CBR test. The results show that using the method of mixing cement and fly ash together to improve high liquid limit clay as subgrade-filling...
This experiment was about the effect of Butyl benzyl phthalate on DNA strand breaks and the DNA-protein crosslinks in cells. Mouse mast cells cultured in vitro were exposed to different concentrations of BBP (0, 4, 2<K 100 mumolldrL-1) for 1 h. Comet assay and KCl-SDS assay were used to measure the DNA strand breaks and DNA-protein crosslinks. Results showed that, all of the BBP treatment groups...
In this paper, we establish the different defects species and the different charge states models, including the intrinsic and extrinsic defects, in the alpha-quartz system. The models for different defects have been optimized within the first principles. Furthermore, the formation energies for defect structures in the alpha-quartz system have been computed. We can deduce the easiest generated defect...
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