Now showing items 3531-3550 of 4656

    • The Role of Zakāh in providing Health Care for the Poor in Sudan 

      Ebaidalla, Ebaidalla M.; Iddress, Mohammed Abuelgasim; عبيد الله, عبيد الله محجوب; إدريس, محمد أبو القاسم ( Scientific Publishing Center King Abdulaziz University , 2022 , Article)
      Despite the relatively long experience of zakāhin social protection and poverty alleviation in Sudan, there is little evidenceon its role in facilitating access to health care services to the poor. This paper ...
    • Role updating in information systems using model checking 

      Hu, Jinwei; Khan, Khaled M.; Zhang, Yan; Bai, Yun; Li, Ruixuan ( Springer London , 2017 , Article)
      The role-based access control (RBAC) has significantly simplified the management of users and permissions in information systems. In dynamic environments, systems are constantly undergoing changes, and accordingly, the ...
    • Roles of Gibberellins and Abscisic Acid in Regulating Germination of Suaeda salsa Dimorphic Seeds Under Salt Stress 

      Li, Weiqiang; Yamaguchi, Shinjiro; Khan, M. Ajmal; An, Ping; Liu, Xiaojing; ... more authors ( Frontiers Media , 2016 , Article)
      Seed heteromorphism observed in many halophytes is an adaptive phenomenon toward high salinity. However, the relationship between heteromorphic seed germination and germination-related hormones under salt stress remains ...
    • RuBisCO: a sustainable protein ingredient for plant-based foods 

      Nawaz, Adil Malik; Kasote, Deepak; Ullah, Najeeb; Usman, Kamal; Alsafran, Mohammed ( Frontiers Media , 2024 , Article Review)
      Ribulose bisphosphate carboxylase/oxygenase (RuBisCO), is a widely available plant protein receiving great interest because of its nutritional and functional properties. It can be a valuable source of protein for vegetarians. ...
    • Russia and the new security system in the Persian Gulf: Approach and strategy 

      Bijan, Aref ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)
      The region of the Persian Gulf, which is strategically important for the whole world, is experiencing extremely alarming trends. Ensuring security in the strategically important area of the Persian Gulf is one of the key ...
    • Russia's Energy Strategy and its Impact on Gulf Energy Markets 

      Parmeter, lan; بارميتر, إيان ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)
      The economies of Russia and the Gulf states are dependent on extraction and export of their hydrocarbon resources. Saudi Arabia and Russia are the worlds largest oil exporting countries, with Russia and Qatar the largest ...
    • Russia's Relations with the GCC and Iran 

      Kozhanov, Nikolay ( Springer Singapore , 2021 , Book)
      This book offers insight into the motives behind Moscow's behaviour in the Persian Gulf (with a specific focus on the GCC member states and Iran), considering Russia's growing role in the Middle East and its desire to ...
    • Russia-GCC economic relations: When quality matters more than quantity 

      Kozhanov, Nikolay ( SETA Foundation , 2021 , Article)
      During the last five years, Russian relations with the GCC have developed on a largely positive trajectory. Even Moscow's decision to leave the OPEC+ agreement and launch a price war with Saudi Arabia in March 2020 did not ...
    • Safe Route Mapping of Roadways Using Multiple Sourced Data 

      Jiang, Shan; Jafari, Mohsen; Kharbeche, Mohamed; Jalayer, Mohammad; Al-Khalifa, Khalifa N. ( Institute of Electrical and Electronics Engineers , 2022 , Article)
      The use of systematic techniques with historical crash data and qualitative measures has long been a common practice to identify the problematic road features and develop countermeasures to mitigate the crash risk in ...
    • Safer pedestrian crossing facilities on low-speed roads: Comparison of innovative treatments 

      Qinaat, Hussain; Alhajyaseen, Wael K.M.; Kharbeche, Mohamed; Almallah, Mustafa ( Elsevier , 2022 , Article)
      Despite the international efforts to improve pedestrian safety in different regions of the world, pedestrian fatalities still account for around one-third of annual road traffic deaths. Residential areas are commonly ...
    • Safety Analysis of Merging Vehicles Based on the Speed Difference between on-Ramp and Following Mainstream Vehicles Using NGSIM Data 

      Hussain, Qinaat; Dias, Charitha; Al-Shahrani, Ali; Hussain, Intizar ( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)
      Highway merging points are critical elements due to the interactions between merging vehicles and following vehicles on the outermost lane of the highway stream. Such interactions could have significant implications for ...
    • Safety and Operational Performance of Signalized Roundabouts: A Case Study in Doha 

      Ghanim, Mohammad; Kharbeche, Mohamed; Hannun, Jamal; Hannun, Jameel; Shamiyeh, Khaled ( Elsevier B.V. , 2020 , Conference Paper)
      Traffic safety is one of the important challenges that urban transportation systems are facing. The common practice of assessing the safety of transportation systems starts with the collection of readily available crash ...
    • Safety and security perceptions in informal transport: the case of Tunisia 

      Dhibi, Mohamed; Alhajyaseen, Wael; Alinier, Nandini ( Taylor & Francis , 2022 , Article)
      This study aims to evaluate the perception of safety and security in informal transport in Tunisia. This research employs a questionnaire-based survey of passengers and drivers of informal transport in Tunisia. Interviews ...
    • Safety performance of school buses in the State of Qatar 

      Kharbeche, Mohamed; Abou Nada, Sajeda Ata; Al-Khalifa, Khalifa Nasser M N; Hamouda, Abdelmagid S. ( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Article)
      School buses and minibuses are one of the major modes of traveling for students in the state of Qatar. Many studies pointed to the fact that school buses travelling are safer for students than walking or car riding (Bolte, ...
    • “Safe” Chitosan Zinc Oxide Nanocomposite Has Minimal Organ-Specific Toxicity on Early Stages of Zebrafish Development 

      Younes, Nadin; Pintus, Gianfranco; Al-Asmakh, Maha; Rasool, Kashif; Younes, Salma; ... more authors ( American Chemical Society , 2019 , Article)
      Marine biofouling is considered one of the most challenging issues affecting maritime industries worldwide. In this regard, traditional biocides, being used to combat biofouling, have high toxicity toward the aquatic system. ...
    • Salinity Concrete of Palm Ash 

      Nassef, Ahmad Salah Edeen; Alfarsi, Manar; Alwahibi, Shouq; Aljabri, Shouq; Al-Masaoudi, Aisha ( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)
      This project studies the partial replacement of cement content in the concrete by the palm ash in the presence of seawater as a full replacement of pure water in mixing of the concrete. Certain percentages of replacement ...
    • Salinity gradient energy generation by pressure retarded osmosis: A review 

      Ralph Rolly, Gonzales; Abdel-Wahab, Ahmed; Adham, Samer; Han, Dong Suk; Phuntsho, Sherub; ... more authors ( Elsevier B.V. , 2021 , Article)
      Pressure retarded osmosis (PRO) has gained attention due to its use as a salinity gradient energy-generating membrane process. This process can convert difference in salinity between two streams into energy as it allows ...
    • Salinity inhibits seed germination of perennial halophytes Limonium stocksii and Suaeda fruticosa by reducing water uptake and ascorbate dependent antioxidant system 

      Hameed, Abdul; Rasheed, Aysha; Gul, Bilquees; Khan, M. Ajmal ( Elsevier B.V. , 2014 , Article)
      Information about production and detoxification of reactive oxygen species during seed germination of halophytes under saline conditions is scanty. We therefore studied levels of common oxidative stress markers, antioxidant ...
    • Salmonella Infections among Pediatric Population in Qatar: Phenotypic Resistance and Associated Genotypic Determinants 

      Al Hadidi, S; Abdelrahman, H; Al Thani, A; Ibrahim, E; Yassine, HM; ... more authors ( Austin Publishing Group , 2021 , Article)
      Salmonella is a significant public health burden worldwide and being the most common bacterial diarrheal illness among infants and young children. In the last few years, Qatar reports a high incidence of salmonellosis ...
    • Salt tolerance of selected halophytes at the two initial growth stages for future management options 

      Alhaddad, Fedae A.; Abu-Dieyeh, Mohammed H.; ElAzazi, El-Sayed Mohamed; Ahmed, Talaat A. ( Springer , 2021 , Article)
      Scarcity of water and the small area of the agricultural land are considered as the crucial environmental issues challenged the Arabian Gulf countries. In this study, experiments were conducted to identify the salt tolerance ...