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السجلات المعروضة 451 -- 460 من 536
Microplastics in the beach sediments around the Ras Rakan Island, Qatar
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Qatar University Press
, 2021 , Poster)
The ubiquitous microplastic (MP) pollution is an emerging environmental issue in the marine environment. In this study, historical accumulation trends of MPs in the beach sediments around the Ras Rakan Island of Qatar have ...
Investigating the concomitant removal of hydrocarbons and heavy metals by highly adapted Bacillus and Pseudomonas strains
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Qatar University Press
, 2021 , Poster)
This study investigates the concomitant removal of hydrocarbons and heavy metals by highly adapted Bacillus and Pseudomonas strains. In regions characterized by harsh conditions such as Qatar, the weathering processes would ...
Satellite mapping and stabilization of the aeolian deposits of QAFCO site 5/6
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Qatar University Press
, 2021 , Poster)
Aeolian processes produce vast areas of sand and dunes in the arid region and need monitoring since they are encroaching land and degrading infrastructures. In this study, we used the satellite data of ASTER and mineral ...
Origin of TPHs and PAHs in the marine sediment nearby oil and gas extraction sites on the west coast of Qatar
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Qatar University Press
, 2021 , Poster)
Total Petroleum Hydrocarbons (TPHs) and Polycyclic Aromatic Hydrocarbons (PAHs) are priority pollutants, which are known to be associated with petroleum products. They are released into the marine environment via accidental ...
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
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Qatar University Press
, 2021 , Poster)
LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ...
The efficacy of two household cleaning and disinfecting agents on Lentil (Lens culinaris Medik) and Faba bean (Vicia faba) seed germination
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Qatar University Press
, 2021 , Poster)
A germination test of Vicia faba and Lens culinaris seeds under the effect of bleach and vinegar was conducted for seven days, and the observations were recorded daily. The completely randomized design (CRD) was used to ...
Feminization of hawksbill turtle hatchlings in the twenty-first century at an important regional nesting aggregation
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Qatar University Press
, 2021 , Poster)
Projected climate change is forecasted to have significant effects on biological systems worldwide. Marine turtles in particular may be vulnerable, as the sex of their offspring is determined by their incubating temperature. ...
مصداقية وفاعلية الاتصال الرقمي أثناء الازمات دراسة تطبيقية على جائحة كورونا في قطر
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Qatar University Press
, 2021 , Poster)
"تزداد الحاجة للاتصال أثناء الازمات خاصة الأزمات الجديدة، وهو ما ينطبق على جائحة كورونا التي تعد مثالًا واختبارًا واضحًا لطبيعة ودور الإعلام الرقمي سواء كان في المواقع الإلكترونية، أو في منصات التواصل الاجتماعي، أو التطبيقات ...
Artificial Intelligence assisted Prediction of COVID-19 Hotspots in Third Wave using EHTERAZ
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Qatar University Press
, 2021 , Poster)
The present study conceptualizes fusion of artificial intelligence and contract tracking mobile application for predicting the COVID-19 hot spots. The findings suggest that mobile technology can be used to provide real-time ...
Stego-eHealth: An eHealth System for Secured Transfer of Medical Images Using Image Steganography
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Qatar University Press
, 2021 , Poster)
COVID pandemic has necessitated the need for virtual and online health care systems to avoid contacts. The transfer of sensitive medical information including the chest and lung X-ray happens through untrusted channels ...