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252篇 您的检索式:作者名="Sayari"
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1Prediction of meteorological drought in arid and semi-arid regions using PDSI and SDSM: a case study in Fars Province, Iran显示文摘Drought is one of the most significant environmental disasters,especially in arid and semi-arid regions.Drought indices as a tool for management practices seeking to deal with the drought phenomenon are widely used around the world.One of these indicators is the Palmer drought severity index(PDSI),which is used in many parts of the world to assess the drought situation and continuation.In this study,the drought state of Fars Province in Iran was evaluated by using the PDSI over 1995-2014 according to meteorological data from six weather stations in the province.A statistical downscaling model(SDSM)was used to apply the output results of the general circulation model in Fars Province.To implement data processing and prediction of climate data,a statistical period 1995-2014 was considered as the monitoring period,and a statistical period 2019-2048 was for the prediction period.The results revealed that there is a good agreement between the simulated precipitation(R2>0.63;R2,determination coefficient;MAE<0.52;MAE,mean absolute error;RMSE<0.56;RMSE,Root Mean Squared Error)and temperature(R2>0.95,MAE<1.74,and RMSE<1.78)with the observed data from the stations.The results of the drought monitoring model presented that dry periods would increase over the next three decades as compared to the historical data.The studies showed the highest drought in the meteorological stations Abadeh and Lar during the prediction period under two future scenarios representative concentration pathways(RCP4.5 and RCP8.5).According to the results of the validation periods and efficiency criteria,we suggest that the SDSM is a proper tool for predicting drought in arid and semi-arid regions.Sheida DEHGHAN Nasrin SALEHNIA Nasrin SAYARI Bahram BAKHTIARI 2020Journal of Arid Land2020,12,2:4
2Wet oxidation of phenolic solutions over heterogeneous catalysts: degradation profile and catalyst behaviour显示文摘HAMOUDI S LARACHI F SAYARI A 1988Catalysis1988,177,:2
3Synthesis and characteristics of MCM-41 supported CoRu catalysts显示文摘Panpranot J Goodwin J G Sayari A 2002Catalysis Today2002,77,:1
4Synthesis of mesoporous vanadium silicate molecular sieves显示文摘Reddy K M Moudrakovski I Sayari A 1994J Chem Soc Chem Commun1994,,9:1
5Polyethylenimine-impregnated mesoporous silica:effect of amine loading and surface alkyl chains on CO2adsorption显示文摘Heydari Gorji A Belmabkhout Y Sayari A 2011Langmuir2011,27,12:1
6Adsorption of copper on amine-functionalized SBA-15 prepared by co-condensation: Kinetics properties显示文摘Enshirah Da’na Nimal De Silva Abdelhamid Sayari 2010Chemical Engineering Journal2010,,1:1
7Stress Cardiac MR ImagingiThe Role of Stress Functional Assessment and Perfusion Imaging in the Evaluation of Ischemic Heart Disease显示文摘Al Sayari S Kopp S Bremerich J 2015Radiol Clin North Am2015,53,2:1
8Direct TEM imaging of tubules in calcined MCM - 41 type mesoporous materials显示文摘Chenite A Lepage Y Sayari A 1995Chemistry of Materials1995,7,:1
9Synthesis of MCM-48 silica using a gemini surfactant with a rigid spacer显示文摘SAYARI A 2000J Am Chem Soc2000,122,27:1
10Synthesis and nuclear magnetic resonance study of boron-modified MCM-41 mesoporous materials显示文摘Sayari A Moudrakovski I Danumah C 1995J Phys Chem1995,99,16:1
11Non-silica periodic mesostructured materials: recent progress显示文摘Sayari A Liu P 1997Microporous Materials1997,12,:1
12显示文摘 Sayari A Belkacemi K 2000Catalysis Today2000,62,:1
13Catalysis by crystalline mesoporous molecular sieves显示文摘 1996Chem Mater1996,8,8:1
14Unprecedented expansion of the pore size and volume of periodic mesoporous silica显示文摘Sayari A 2000Angew Chem Int Ed2000,39,16:1
15显示文摘 Sayari A Larachi F 2001Journal of Catalysis2001,201,:1
16Adsorption of CO2 from dry gases on MCM -41 silica at ambient temperature and high pressure 2: Adsorption of CO2/N2, CO2/CH4 and COJH2 binary mixtures 显示文摘Belmabkhout Y Sayari A 2009Chemical Engineering Science2009,64,:1
17Adsorption of heavy metals on amine - functionalized SBA - 15 prepared by co - condensation: Applications to real water samples 显示文摘Daha E Sayari A 2012Desalination2012,285,:1
18Periodic mesoporous silica-based organic-inorganic nanocomposite materials 显示文摘Sayari A Hamoudi S 2001Chemistry of Materials2001,13,10:1
19Wet oxidation of phenolic solutions overheterogeneous catalysts:degradation profile and catalyst behaviour显示文摘Hamoudi S Larachi F Sayari A 1998Journal of Catalysis1998,177,:1
20New approaches to pore size engineering of mesoporous silicates显示文摘Sayari A Kruk M Jaroniec M 1998Adv Mater1998,10,16:1
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