Browsing by Title

Now showing items 4843-4862 of 48073

    • Classification of the Lie and Noether point symmetries for the Wave and the Klein–Gordon equations in pp-wave spacetimes 

      Paliathanasis A.; Tsamparlis M.; Mustafa M.T. ( Elsevier B.V. , 2018 , Article)
      A complete classification of the Lie and Noether point symmetries for the Klein–Gordon and the wave equation in pp-wave spacetimes is obtained. The classification analysis is carried out by reducing the problem of the ...

    • Classification tree analysis of factors affecting parking choices in Qatar 

      Shaaban, Khaled; Pande, Anurag ( Elsevier Ltd , 2015 , Article)
      Qatar has experienced a significant population growth in the past decade. The growth has been accompanied by an increase in automobile ownership rates leading to parking problems especially in the capital city of Doha. The ...

    • Classroom courtyard of boys primary school 

    • Claudin-1, A Double-Edged Sword in Cancer. 

      Bhat, Ajaz A; Syed, Najeeb; Therachiyil, Lubna; Nisar, Sabah; Hashem, Sheema; ... more authors ( MDPI , 2020 , Article Review)
      Claudins, a group of membrane proteins involved in the formation of tight junctions, are mainly found in endothelial or epithelial cells. These proteins have attracted much attention in recent years and have been implicated ...

    • Clay minerals damage quantification in sandstone rocks using core flooding and NMR 

      Kamal M.S.; Mahmoud M.; Hanfi M.; Elkatatny S.; Hussein I. ( Springer Verlag , 2019 , Article)
      Sandstone oil reservoirs consist of different clay minerals such as kaolinite, illite, and chlorite. These clay minerals highly affect the formation damage during enhanced oil recovery (EOR) and well stimulation operations ...

    • Clay/Conductive Polymer Nanocomposites 

      Saad, Ali; Jlassi, Khouloud; Omastova, Maria; Chehimi, Mohamed M. ( Elsevier Inc. , 2017 , Book chapter)
      This chapter describes the main strategies for designing clay nanocomposites of the most investigated inherently conductive polymers, namely, polypyrrole, polyaniline, and polythiophenes including poly(3,4-ethylenedioxythiophene) ...

    • CLD 

      ( Qatar University , 2017 , Video)

    • Cleaning of ceramic membranes for produced water filtration 

      Zsirai, T.; Zsirai, T.; Qiblawey, H.; Buzatu, P.; Al-Marri, M.; ... more authors ( Elsevier , 2018 , Article)
      © 2018 Elsevier B.V. The application of ceramic microfiltration membranes to the tertiary treatment of produced water from an Arabian Gulf oilfield has been studied using a dedicated pilot plant. Studies were based on a ...

    • Cleavability of Decomposition Spaces 

      Al Bsoul, Adnan [عدنان البصول] ( Qatar University , 2006 , Article)
      Assume that X and Y have the same homotopy type, if X (respectively Y) is cleavable over p, have proved that the decomposition space of Y/g (respectively X/f) is cleavable over p. A result ncerning Arhangel'skii - Teroni's ...

    • Client-based confidential data sharing using untrusted clouds 

      Kamal, Naheel Faisal (2021 , Master Thesis)
      Cloud storage has been used widely by organizations and individuals. However, using known cloud providers is not a solution that can fit the needs of many entities that need to store private and sensitive data. This is due ...

    • Climate change and COP26: Are digital technologies and information management part of the problem or the solution? An editorial reflection and call to action 

      Yogesh K., Dwivedi; Hughes, Laurie; Kar, Arpan Kumar; Baabdullah, Abdullah M.; Grover, Purva; ... more authors ( Elsevier , 2021 , Article)
      The UN COP26 2021 conference on climate change offers the chance for world leaders to take action and make urgent and meaningful commitments to reducing emissions and limit global temperatures to 1.5 °C above pre-industrial ...

    • Climate Change and Temperature Warming in Qatar 

      Lambert, Laurent A. ( The Social and Economic Survey Research Institute, Qatar University , 2016 , Report)
      In October 2015 the Social and Economic Survey Research Institute (SESRI) at Qatar University Surveyed representative samples of Qatari national (769) and white-color residents (762) to understand batter their views about ...

    • Climate Change and the GCC: Economic and Environmental Impact 

      ( Qatar University , 2021 , Video)

    • Climate Change and the Structural Resilience of the Doha Metro 

      Nikolis, Georgios; Chronopoulos, Petros; Griguta, Marin ( Qatar Univesrity Press , 2020 , Conference Paper)
      In recent years, the Doha Metro has been the spearhead of Qatar's effort to expand and upgrade its transportation infrastructure. In its current phase it will comprise three lines of an approximate overall length of 76 km ...

    • Climate change vulnerability and adaptation strategies for smallholder farmers in Yangi Qala District, Takhar, Afghanistan 

      Omerkhil, Najibullah; Chand, Tara; Valente, Donatella; Alatalo, Juha M.; Pandey, Rajiv ( Elsevier , 2020 , Article)
      © 2019 Elsevier Ltd Smallholder farmers in Afghanistan are already facing various risks in agricultural production due to past continuous insurgencies. Climate change is likely to amplify the risk and make them even more ...

    • Climate change vulnerability in urban slum communities: Investigating household adaptation and decision-making capacity in the Indian Himalaya 

      Pandey, R.; Pandey, Rajiv; Alatalo, Juha M.; Thapliyal, Kavita; Chauhan, Sharmila; ... more authors ( Elsevier B.V. , 2018 , Article)
      © 2018 Elsevier Ltd Climate change is predicted to have severe impacts on mountainous regions, including urban settlements, and livelihoods of the urban poor. Adaptive capacity for marginalized groups is largely determined ...

    • Climate change will seriously impact bird species dwelling above the treeline: A prospective study for the Italian Alps 

      Ferrarini, Alessandro; Alatalo, Juha M.; Gustin, Marco ( Elsevier B.V. , 2017 , Article)
      High mountain systems are predicted to be especially vulnerable to the impact of climate change, with the climatically-constrained tree limit rapidly shifted upslope. In turn, the impact of upward treeline migration on ...

    • Climate variability and its impact on the spatial distribution of mangroves in Qatar 

      Pathirana, Sumith; Al-Khayat, Jassim A. ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Mangroves are a unique vegetation community that can adapt to harsh climatic conditions, including in areas of high temperature and high salinity levels. It is an important coastal wetland community in many countries that ...

    • Climate Warming Consistently Reduces Grassland Ecosystem Productivity 

      Wu, Gao-Lin; Zheng, Zhen; Alatalo, Juha Mikael; Zhao, Jingxue; Liu, Yu ( Advanced Earth And Science , 2021 , Article)
      Future climate may profoundly impact the functioning of terrestrial ecosystems. However, we do not know well how the functioning of different types of grassland ecosystems is associated with variation in temperature and ...

    • Climate-cultural Conscious Design Approach to the Post-COVID-19 Built Environment 

      Abd Manan, Mohd Shahrudin; Dahlan, Nur Dalilah ( Qatar University Press , 2023 , Conference Paper)
      The pandemic has accelerated the digital transformation, by enabling current work activities to be done online more efficiently. With the movement control restrictions being lifted, the conventional workspace is no longer ...