تصفح Research Units حسب العنوان
السجلات المعروضة 3791 -- 3810 من 4974
-
Safe Route Mapping of Roadways Using Multiple Sourced Data
( 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
( 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
( 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
( 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
( 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 assessment of on-road cycling lanes: A comparative study of different layouts using driving simulator
( Elsevier , 2024 , Article)Over the past few decades, a growing attention has been directed toward cycling due to its positive impacts on social, economic, and health aspects. Various countries are adopting and implementing strategies to promote ... -
Safety performance of school buses in the State of Qatar
( 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
( 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
( 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
( 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
( 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
( 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
( 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 ... -
Salt water corrosion resistance of electrodeposited Ni-layered silicate nanocomposite coatings from Watts' type solution
( Elsevier B.V. , 2014 , Article)Pure nickel and nickel-montmorillonite (Ni-MMT) composite coatings were produced using pulse current electrodeposition from Watts' type solution. Experimental results show that the codeposition of MMT particles into the ... -
Sample-Based Data Augmentation Based on Electroencephalogram Intrinsic Characteristics
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Deep learning for electroencephalogram-based classification is confronted with data scarcity, due to the time-consuming and expensive data collection procedure. Data augmentation has been shown as an effective way to improve ... -
Sanctions and the Socio-Economic Roots of Iran's Domestic Instability (2010-2020)
( Springer , 2022 , Book chapter)Since 2006 (if not before), sanctions imposed by the US and some other countries on Iran were aimed at depriving Tehran of financial sources allowing the country's leadership to buy the loyalty of its population. And, at ... -
A Sandbox Approach to Regulating High-Risk Artificial Intelligence Applications
( Cambridge University Press , 2021 , Article)This paper argues for a sandbox approach to regulating artificial intelligence (AI) to complement a strict liability regime. The authors argue that sandbox regulation is an appropriate complement to a strict liability ... -
Sandstorm animations on rural expressways: The impact of variable message sign strategies on driver behavior in low visibility conditions
( Elsevier Ltd , 2021 , Article)Problem: Evolving sandstorms on rural expressways in desert countries impair drivers' contrast vision and increase the risk of serious crashes due to delayed speed adjustments. Intelligent Transport Systems (ITS) such as ... -
Sanguinarine mediated apoptosis in Non-Small Cell Lung Cancer via generation of reactive oxygen species and suppression of JAK/STAT pathway
( Elsevier , 2021 , Article)Effective treatment of lung cancer remains a significant clinical challenge due to its multidrug resistance and side effects of the current treatment options. The high mortality associated with this malignancy indicates ... -
Sanitation and dewatering of human urine via membrane bioreactor and membrane distillation and its reuse for fertigation
( Elsevier , 2020 , Article)Source separation and recovery of human urine have often been proposed as an effective way to achieve a more sustainable waste-to-resource cycle. Its high density of available macronutrients (N–P–K) in urine makes it an ...
