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A green and efficient oxidation of benzylic alcohols using H_2O_2 catalyzed by Montmorillonite-K10 supported MnCl_2

Chinese Chemical Letters 2010年第10期21卷 1162-1164页

作者： gholam reza najafi Department of Chemistry Islamic Azad University

Primary and secondary benzylic alcohols were oxidized to the corresponding carbonyl compounds in good to high yields by environmentally friendly and green oxidant, H2O2 catalyzed by Montmorillonite-K10 supported manga... 详细信息

关键词： Green oxidation system Hydrogen peroxide Montmorillonite-KlO Manganese(H) chloride

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A green and efficient deoximation using H_2O_2 catalyzed by montmorillonite-K10 supported CoCl_2

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Chinese Chemical Letters 2007年第12期18卷 1451-1454页

作者： Ali Ezabadi gholam reza najafi Mohammed M.Hashemi Department of Chemistry Central Tehran Branch Department of Chemistry Science and Research BranchIslamic Azad UniversityTehranIran Department of Chemistry Sharif University of TechnologyP.O.Box 11365-9516TehranIran

Oximes were oxidized to the corresponding carbonyl compounds in good to high yields by environmentally friendly and green oxidant, H202 catalyzed by montmorillonite K-10 supported cobalt（Ⅱ） chloride.

关键词： Green deoximation system Hydrogen peroxide Montmorillonite K-IO Cobalt(II) chloride

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Use of GIS to Estimate Recharge and Identification of Potential Groundwater Recharge Zones in the Karstic Aquifers,West of Iran

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Advances in Geological and Geotechnical Engineering Research 2022年第4期4卷 1-13页

作者： Zeinab najafi gholam Hossein Karami Department of Environmental Geology and Hydrogeology Earth Sciences FacultyShahrood University of TechnologySemnanIran Department of Geology Earth Sciences FacultyKharazmi UniversityTehranIran

Estimating and studying groundwater recharge is necessary and important for the management of water *** main aim of this work is to estimate the value of the annual recharge in some parts of the Kermanshah and Kurdistan province located in the west of *** are many approaches available for estimation of the recharge,but RS(remote sensing)and GIS(geographic information system)have provided and combined a lot of effective spatial and temporal data of large areas within a short *** this purpose,nine information layers including the slope,aspect of slope,lithology,lineament density,drainage density,precipitation,vegetation density,soil cover,and karst features were prepared and imported to the ArcMap *** preparing the information layers,they have to weigh based on their effects on the value of the *** order to be weighted the different parameters,methods of judgment expert,reciprocal influences of parameters,and AHP were *** GIS,the results obtained from the final map indicated the average value for the recharge based on the average calculated coefficient of *** annual recharge coefficient in the study area was estimated to be between 30%and 80%.

关键词： Karstic aquifers Remote sensing GIS AHP Aquifer recharge coefficient Iran

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