Browsing Research Units by Title

Now showing items 1897-1916 of 4709

    • Geochemical characterization and origin of the Cretaceous Sa’di, Khasib, Mishrif, and Nahr Umr Crude Oils in Halfaya Oilfield, Southern Mesopotamian Basin, Iraq 

      Al-Khafaji, Amer Jassim; Yonis, Sahar Jassim; Ibrahim, Rafid N.Al; Almarsomi, Shahad; Sadooni, Fadhil ( Taylor and Francis Ltd. , 2021 , Article)
      A suite of crude oil samples from the Cretaceous reservoirs in Halfaya Oilfield, Southern Iraq were analyzed using organic geochemistry analysis to study their geochemical characterization and origin. High sulfur content ...

    • 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.; ... more 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 ...

    • Geochemical composition of dust from Qatar peninsula 

      Al-Ansari, Ebrahim S.; Abdel-Moati, Mohamed A.; Al-Ansi, Mehsin A.; Yigiterhan, Oguz; Al-Shaikh, Ismail; ... more authors ( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)
      Atmospheric dust samples have been collected from different areas in Qatar and analyzed for major and trace element composition. This region of the Arabian Gulf represents an area largely affected by dust from natural and ...

    • Geochemical investigation of Yamama crude oils and their inferred source rocks in the Mesopotamian Basin, Southern Iraq 

      Al-Khafaj, Amer J.; Al Najm, Fahad M.; Al Ibrahim, Rafid N.; Sadooni, Fadhil N. ( Taylor & Francis , 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 ...

    • 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 ...

    • Geographical distribution of air pollution in Doha Qatar 

      Safi, Mariem; Ali Elobaid, Elnaiem ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)
      Urban air pollution is an inevitable consequence of the urbanization representing a growing concern to scientists, policymakers and an increasing fraction of the population. Air pollution is an acute problem especially in ...

    • Geomechanical Modelling of Railroad Ballast: A Review 

      Alabbasi, Yahia; Hussein, Mohammed ( Springer , 2019 , Article)
      Traditional ballasted tracks have been used intensively around the world with ballast as the main material for tracks. Ballast has a significant contribution to the track alignment, stability and sustainability. After ...

    • Geopolitics of the New Middle East: Perspectives from Inside and Outside 

      Aras, Bülent; Kardaş, Şaban ( Routledge , 2021 , Article)
      In the last decade, the broader Middle East and North Africa (MENA) regional security environment has been shaped by the cycle of insecurity and instability. The structural transformation in the MENA has unleashed such ...

    • GHG emission reduction via multiple fuel options in carbon-constrained industrial clusters 

      Bechara, Christelle; Alnouri, Sabla Y. ( Elsevier B.V. , 2023 , Book chapter)
      This paper primarily investigates the effect of incorporating multiple fuel options onto carbon constrained industrial clusters. The purpose of doing so was to maximize the profit through the optimal allocation of multiple ...

    • GIS-based spatiotemporal analysis for road traffic crashes; in support of sustainable transportation Planning 

      Semira, Mohammed; Alkhereibi, Aya Hasan; Abulibdeh, Ammar; Jawarneh, Rana N.; Balakrishnan, Perumal ( Elsevier Ltd , 2023 , Article)
      Road traffic crashes pose a significant challenge worldwide, necessitating increased efforts to reduce them and promote sustainable transport systems. This study aimed to investigate spatiotemporal road traffic crashes and ...

    • GIVING TWO ANSWERS TO THE SAME QUESTION: APPLYING SURVEY RE-INTERVIEWING TECHNIQUES IN QATAR. 

      Elawad, Elmogiera; Diop, A; Agied, Mohamed; Abdelhameed, Isam ( RESEARCH, SCIENCE AND TECHNOLOGY PUBLISHERS , 2016 , Article)
      In order to evaluate the quality of its survey data, SESRI implemented since 2010 a system of re-interviewing a sub-sample of respondents. These re-interviews usually take place not more than six days from the date of the ...

    • Glioma extracellular vesicles for precision medicine: prognostic and theragnostic application 

      Marei, Hany E.; Althani, Asmaa; Afifi, Nahla; Hasan, Anwarul; Caceci, Thomas; ... more authors ( Springer , 2022 , Article Review)
      EV produced by tumour cells carry a diverse population of proteins, lipids, DNA, and RNA molecules throughout the body and appear to play an important role in the overall development of the disease state, according to ...

    • 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.; ... more 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 ...

    • A Global Declaration on Appropriate Use of Antimicrobial Agents across the Surgical Pathway 

      Sartelli, Massimo; Kluger, Yoram; Ansaloni, Luca; Carlet, Jean; Brink, Adrian; ... more authors ( Mary Ann Liebert , 2017 , Article)
      This declaration, signed by an interdisciplinary task force of 234 experts from 83 different countries with different backgrounds, highlights the threat posed by antimicrobial resistance and the need for appropriate use ...

    • Global incidence, prevalence, years lived with disability (YLDs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 

      Alize J, Ferrari; Santomauro, Damian Francesco; Aali, Amirali; Abate, Yohannes Habtegiorgis; Abbafati, Cristiana; ... more authors ( Elsevier , 2024 , Article)
      BackgroundDetailed, comprehensive, and timely reporting on population health by underlying causes of disability and premature death is crucial to understanding and responding to complex patterns of disease and injury burden ...

    • Global maps of soil temperature 

      Lembrechts, Jonas J.; van den Hoogen, Johan; Aalto, Juha; Ashcroft, Michael B.; De Frenne, Pieter; ... more authors ( Wiley , 2022 , Article)
      Research in global change ecology relies heavily on global climatic grids derived from estimates of air temperature in open areas at around 2 m above the ground. These climatic grids do not reflect conditions below vegetation ...

    • Global patterns in endemicity and vulnerability of soil fungi 

      Tedersoo, Leho; Mikryukov, Vladimir; Zizka, Alexander; Bahram, Mohammad; Hagh-Doust, Niloufar; ... more authors ( Wiley , 2022 , Article)
      Fungi are highly diverse organisms, which provide multiple ecosystem services. However, compared with charismatic animals and plants, the distribution patterns and conservation needs of fungi have been little explored. ...

    • Global plant trait relationships extend to the climatic extremes of the tundra biome 

      Thomas, H. J. D.; Bjorkman, A. D.; Myers-Smith, I. H.; Elmendorf, S. C.; Diaz, J. Kattge, S.; ... more authors ( Nature Research , 2020 , Article)
      The majority of variation in six traits critical to the growth, survival and reproduction of plant species is thought to be organised along just two dimensions, corresponding to strategies of plant size and resource ...

    • The Global Soil Mycobiome consortium dataset for boosting fungal diversity research 

      Tedersoo, Leho; Mikryukov, Vladimir; Anslan, Sten; Bahram, Mohammad; Khalid, Abdul Nasir; ... more authors ( Springer , 2021 , Article)
      Fungi are highly important biotic components of terrestrial ecosystems, but we still have a very limited understanding about their diversity and distribution. This data article releases a global soil fungal dataset of the ...

    • Globally invariant metabolism but density-diversity mismatch in springtails 

      Potapov, Anton M.; Guerra, Carlos A.; van den Hoogen, Johan; Babenko, Anatoly; Bellini, Bruno C.; ... more authors ( Nature Research , 2023 , Article)
      Soil life supports the functioning and biodiversity of terrestrial ecosystems. Springtails (Collembola) are among the most abundant soil arthropods regulating soil fertility and flow of energy through above- and belowground ...