Deep levels,transport and THz emission properties of SiGe/Si quantum-well structures |
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| Authors: | IVANTONOVA MSKAGAN EPNEUSTROEV & SASMAGULOVA Institute of Semiconductor Physics Russian Academy of Sciences Novosibirsk Russia |
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| Institution: | I.V.ANTONOVA 1,M.S.KAGAN 2,E.P.NEUSTROEV 3 & S.A.SMAGULOVA 3 1 Institute of Semiconductor Physics,Russian Academy of Sciences,360090 Novosibirsk,Russia,2 Institute of Radioengineering , Electronics,125009 Moscow K-9,3 Yakutsk State University,677000 Yakutsk,Saha Republik |
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| Abstract: | In coal mines in such countries as China and Russia,most of the coal mine methane(CMM) generated during mining is emitted to the atmosphere without any effective usage,because the methane concentration of CMM is relatively low and not allowed to be used as fuel for safety reasons.Methane is one of the greenhouse gases.Therefore,if it becomes possible to concentrate CMM to an acceptable level for use as fuel,this will greatly contribute to reduction of greenhouse gas emissions.With the aim of gaining approva... |
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| Keywords: | methane concentration coal mine methane vacuum pressure swing adsorption greenhouse gas emissions |
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