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    السجلات المعروضة 1 -- 20 من 37

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      • Thumbnail

        An integrated approach for produced water treatment using microemulsions modified activated carbon 

        Al-Kaabi M.A.; Al-Ghouti M.A.; Ashfaq M.Y.M.; Ahmed T.; Zouari N. ( Elsevier Ltd , 2019 , Article)
        In this study, the physical and chemical characterization of produced water was done followed by treatment through sand filtration coupled with activated carbon microemulsion modified activated carbon techniques. The results ...
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        Assessing the vulnerability of socio-environmental systems to climate change along an altitude gradient in the Indian Himalayas 

        Gupta A.K.; Negi M.; Nandy S.; Alatalo J.M.; Singh V.; Pandey R.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)
        Climate change is affecting biotic and abiotic components of the Himalayan ecosystem, disturbing existing socio-ecological systems. Future changes in the climate, coupled with ongoing development activities in the Himalayas, ...
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        Atmospheric Black Carbon over Qatar: Seasonal Variability and Source Apportionment 

        Tutsak, Ersin; Mahfouz, Mohamed M.; Shahid, Imran ( Qatar University Press , 2021 , Poster)
        The earth’s atmosphere contains minute particles suspended within it. These atmospheric particles influence the earth's radiation budget through their ability to absorb and scatter radiation. Black carbon (BC) is a type ...
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        Bryophyte cover and richness decline after 18 years of experimental warming in alpine Sweden. 

        Alatalo, Juha M; Jägerbrand, Annika K; Erfanian, Mohammad Bagher; Chen, Shengbin; Sun, Shou-Qin; Molau, Ulf... more authors ... less authors ( Oxford University Press , 2020 , Article)
        Climate change is expected to affect alpine and Arctic tundra communities. Most previous long-term studies have focused on impacts on vascular plants, this study examined impacts of long-term warming on bryophyte communities. ...
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        BTEX, nitrogen oxides, ammonia and ozone concentrations at traffic influenced and background urban sites in an arid environment 

        Alfoldy, B.; Mahfouz, M.M.K.; Yigiterhan, O.; Safi, M.A.; Elnaiem, A.E.; Giamberini, S.... more authors ... less authors ( Elsevier , 2019 , Article)
        Spatial distribution of key air pollutants were studied in Doha, Qatar, over the course of two monitoring campaigns in early spring, 2016. Time-weighted averages of BTEX components (benzene, toluene, ethyl-benzene, ...
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        Do changes in current flow as a result of arrays of tidal turbines have an effect on benthic communities? 

        Kregting, Louise; Elsaesser, Bjoern; Kennedy, Robert; Smyth, David; O'Carroll, Jack; Savidge, Graham... more authors ... less authors ( Public Library of Science , 2016 , Article)
        Arrays of tidal energy converters have the potential to provide clean renewable energy for future generations. Benthic communities may, however, be affected by changes in current speeds resulting from arrays of tidal ...
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        Edms model verification considering remarkable changes in airport traffic system 

        Groma, Veronika; Ferenczi, Zita; Alföldy, Bálint; Osán, János; Török, Szabina; Steib, Roland... more authors ... less authors ( Hungarian Meteorological Service , 2016 , Conference)
        This paper presents the verification process of the Emission and Dispersion Modeling System adapted to evaluate the air quality of Liszt Ferenc International Airport. One receptor point was selected at the Airport, at ...
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        Elemental compositions of particulate matter retained on air condition unit’s filters at Greater Doha, Qatar 

        Mahfouz, Mohamed M.; Yigiterhan, Oguz; Elnaiem, A. E.; Hassan, Hassan M.; Alfoldy, Balint ( Springer Netherlands , 2019 , Article)
        © 2019, The Author(s). Elemental composition of airborne dust samples retained by internal filters of air condition units (ACUs) was determined at 12 locations of Doha city, state of Qatar. Twenty-four elements: Al, Ca, ...
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        Environmental Evaluation Risk Assessment and Management options of Abu Nakhla Treated Sewage Effluent TSE Unlined Pond Doha Qatar 

        Elobaid, Elnaiem Ali; Sadooni, Fadhil Nomas; Lebbe, Luc; Claus, Jasper; Boeckaert, Charlottee; Muylaert, Koenraad; Colen, Willem Van; Damme, Stephan Van; Mohamed, Fathelrahman DafaAlla... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference)
        The rapid economic and population growth of Qatar during the last few decades led to generation of substantial volume of municipal treated sewage effluent (TSE). Most of this water was disposed into Abu Nakhla depression ...
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        Extraction and Evaluation of Lineaments From DEMs Generated from Different Bands of Microwave Data and Optical Data: A Case Study for Jahazpur Area, Bhilwara, India 

        Bhaumik, Pralay; Govil, Himanshu; Kumar, Shashi; Rajendran, Sankaran ( CRC Press , 2023 , Book chapter)
        This study extracts and examines lineaments from microwave and optical remote sensing data. The study discusses two DEMs of the Jahazpur area, Bhilwara, India, generated from C-band microwave data of Sentinel-1A and L-band ...
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        Extreme 15N Depletion in Seagrasses 

        Walton, M. E. M.; Al-Maslamani, I.; Haddaway, N.; Kennedy, H.; Castillo, A.; Al-Ansari, E. S.; Al-Shaikh, I.; Abdel-Moati, M.; Al-Yafei, M. A. A.; Le Vay, L.... more authors ... less authors ( Springer New York LLC , 2016 , Article)
        Seagrass beds form an important part of the coastal ecosystem in many parts of the world but are very sensitive to anthropogenic nutrient increases. In the last decades, stable isotopes have been used as tracers of ...
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        Geochemical composition of Aeolian dust and surface deposits from the Qatar Peninsula 

        Yigiterhan, Oguz; Alfoldy, Balint Z.; Giamberini, Mariasilvia; Turner, Jesse C.; Al-Ansari, Ebrahim S.; Abdel-Moati, Mohamed A.; Al-Maslamani, Ibrahim A.; Kotb, Mohamed M.; Elobaid, Elnaiem A.; Hassan, Hassan M.; Obbard, Jeffrey P.; Murray, James W.... more authors ... less authors ( Elsevier , 2018 , Article)
        Abstract The trace metal geochemistry of atmospheric dust and terrestrial surface particles were studied on the Qatar Peninsula from February 2014 to November 2015. We included samples of the mega dust-storm event on 01–02 ...
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        Geochemical investigation of Yamama crude oils and their inferred source rocks in the Mesopotamian Basin, Southern Iraq 

        Al-Khafaji A.J.; Al Najm F.M.; Al Ibrahim R.N.; Sadooni F.N. ( Taylor and Francis Inc. , 2019 , Article)
        Ten oil samples from the Yamama reservoirs and ten extracts of purported source rocks from sixteen wells in the Mesopotamian Basin, Southern Iraq have been analyzed using GC, GC/MS and Stable Carbon Isotope. Yamama oils ...
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        Global change effects on plant communities are magnified by time and the number of global change factors imposed 

        Komatsu K.J.; Avolio M.L.; Lemoine N.P.; Isbell F.; Grman E.; Houseman G.R.; Koerner S.E.; Johnson D.S.; Wilcox K.R.; Alatalo J.M.; Anderson J.P.; Aerts R.; Baer S.G.; Baldwin A.H.; Bates J.; Beierkuhnlein C.; Belote R.T.; Blair J.; Bloor J.M.; Bohlen P.J.; Bork E.W.; Boughton E.H.; Bowman W.D.; Britton A.J.; Cahill J.F.; Jr.; Chaneton E.; Chiariello N.R.; Cheng J.; Collins S.L.; Cornelissen J.H.C.; Du G.; Eskelinen A.; Firn J.; Foster B.; Gough L.; Gross K.; Hallet L.M.; Han X.; Harmens H.; Hovenden M.J.; Jagerbrand A.; Jentsch A.; Kern C.; Klanderud K.; Knapp A.K.; Kreyling J.; Li W.; Luo Y.; McCulley R.L.; McLaren J.R.; Megonigal J.P.; Morgan J.W.; Onipchenko V.; Pennings S.C.; Prevéy J.S.; Price J.N.; Reich P.B.; Robinson C.H.; Russell F.L.; Sala O.E.; Seabloom E.W.; Smith M.D.; Soudzilovskaia N.A.; Souza L.; Suding K.; Suttle K.B.; Svejcar T.; Tilmand D.; Tognetti P.; Turkington R.; White S.; Xu Z.; Yahdjian L.; Yu Q.; Zhang P.; Zhang Y.... more authors ... less authors ( National Academy of Sciences , 2019 , Article)
        Global change drivers (GCDs) are expected to alter community structure and consequently, the services that ecosystems provide. Yet, few experimental investigations have examined effects of GCDs on plant community structure ...
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        Health implications of atmospheric aerosols from asbestos-bearing road pavements traditionally used in Southern Brazil. 

        Godoi, Ricardo H M; Gonçalves, Sérgio J; Sayama, Célia; Polezer, Gabriela; Reis Neto, José M; Alföldy, Bálint; Van Grieken, René; Riedi, Carlos A; Yamamoto, Carlos I; Godoi, Ana F L; Bencs, László... more authors ... less authors ( Springer Verlag , 2016 , Article)
        Serpentine and amphibole asbestos occur naturally in certain geologic settings worldwide, most commonly in association with ultramafic rocks, along associated faults. Ultramafic rocks have been used in Piên County, Southern ...
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        Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome 

        Rheubottom S.I.; Barrio I.C.; Kozlov M.V.; Alatalo J.M.; Andersson T.; Asmus A.L.; Baubin C.; Brearley F.Q.; Egelkraut D.D.; Ehrich D.; Gauthier G.; Jónsdóttir I.S.; Konieczka S.; Lévesque E.; Olofsson J.; Prevéy J.S.; Slevan-Tremblay G.; Sokolov A.; Sokolova N.; Sokovnina S.; Speed J.D.M.; Suominen O.; Zverev V.; Hik D.S.... more authors ... less authors ( Springer Verlag , 2019 , Article)
        Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosystems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ...
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        Human health risks associated with trace metals in dust of residential arid areas 

        Basem, Shomar; Rashkeev, Sergey N. ( Elsevier , 2023 , Article)
        Composite dust samples were collected on a monthly basis over a full year from Doha, Qatar. Inductively Coupled Plasma Mass Spectrometry (ICPMS) was used for the determination of total concentrations of Na, K, Mg, Ca, Li, ...
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        Impact of alternate Mn doping in ternary nanocomposites on their structural, optical and antimicrobial properties: Comparative analysis of photocatalytic degradation and antibacterial activity 

        Tahir, Noor; Zahid, Muhammad; Jillani, Asim; Tahir, Suman; Yaseen, Muhammad; Abbas, Qamar; Abdul Shakoor, Rana; Hussain, Syed Zajif; Shahid, Imran... more authors ... less authors ( Academic Press , 2023 , Article)
        The present study was done to investigate and compare the photocatalytic and antibacterial activity of two in situ Manganese doped ternary nanocomposites. The dual ternary hybrid systems comprised Mn-doped Ag2WO4 coupled ...
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        Impact of SARS-CoV-2 on Ambient Air Quality in Northwest China (NWC) 

        Zaib, Shah; Lu, Jianjiang; Shahid, Muhammad Zeeshaan; Ahmar, Sunny; Shahid, Imran ( MDPI , 2021 , Article)
        SARS-CoV-2 was discovered in Wuhan (Hubei) in late 2019 and covered the globe by March 2020. To prevent the spread of the SARS-CoV-2 outbreak, China imposed a countrywide lockdown that significantly improved the air quality. ...
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        In-site and ex-site date palm exposure to heavy metals involved infra-individual biomarkers upregulation 

        Chaâbene, Zayneb; Rorat, Agnieszka; Kriaa, Walid; Rekik, Imen; Mejdoub, Hafedh; Vandenbulcke, Franck; Elleuch, Amine... more authors ... less authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)
        As a tree of considerable importance in arid regions—date palm, Phoenix dactylifera L. survival in contaminated areas of Sfax city has drawn our attention. Leaf samples of the plants grown in the study area showed high ...

        مركز المجموعات الرقمية لجامعة قطر هو مكتبة رقمية تديرها مكتبة جامعة قطر بدعم من إدارة تقنية المعلومات

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        مركز المجموعات الرقمية لجامعة قطر هو مكتبة رقمية تديرها مكتبة جامعة قطر بدعم من إدارة تقنية المعلومات

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