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Investigation on the effect of LiTFSI salt on PVDF-based Solid Polymer Electrolyte Membranes for Lithium-Ion Batteries
(
Qatar University Press
, 2021 , Poster)
Solid polymer electrolytes provide an alternative approach to providing improved safety whilst concurrently acting as a performance enhanced separator within Lithium-ion batteries (LIBs). This investigation studies the ...
Detecting Organic Nitrogen with 1H-15N HMBC Spectra
(
Qatar University Press
, 2021 , Poster)
NMR spectroscopy has been the most important tool for organic chemistry research, providing detailed structure information. While 1H and 13C NMR spectra were frequently measured, 15N NMR spectra were relatively rare, even ...
Diversity of arbuscular mycorrhizal fungi and its chemical drivers across dryland habitats
(
Springer
, 2021 , Article)
Qatar is largely characterized by a hyper-arid climate and low soil fertility which create a stressful soil environment for arbuscular mycorrhizal (AM) fungi. In a study of AM fungal communities and their relationship with ...
Voice and Emphasis in Arabic Coronal Stops: Evidence for Phonological Compensation
(
SAGE
, 2021 , Article)
The current study investigates multiple acoustic cues–voice onset time (VOT), spectral center of gravity (SCG) of burst, pitch (F0), and frequencies of the first (F1) and second (F2) formants at vowel onset—associated with ...
Effect of emphasis spread on VOT in coronal stops in Qatari Arabic
(
Cambridge University Press
, 2021 , Article)
Emphasis (contrastive pharyngealization of coronals) in Arabic spreads from an emphatic consonant to neighboring segments. Previous research suggests that in addition to changing spectral characteristics of adjacent segments, ...
Gulf futuristic cities beyond the headlines: Understanding the planned cities megatrend
(
Elsevier
, 2020 , Article)
Cities of the Gulf Cooperation Council (GCC) region have harboured impressive architecture conveying modernity and affluence. GCC countries are increasingly reshaping the face of their urban areas through the development ...
Synthesis of novel Cubane [Ni4(O∩O)4(OCH3)4(OOH)4] cluster: XRD/HSA-interactions, spectral, DNA-binding, docking and subsequent thermolysis to NiO nanocrystals
(
Elsevier
, 2020 , Article)
Under liquid-state vibration ultrasonic mode, the Ni4(O∩O)4(OCH3)4(OOH)4 complex [O∩O-bidentate ligand = 4,4,4-trifluoro-1-phenylbutane-1,3-dione] was synthesized from metal precursor and ligand in 10% H2O2/MeOH media, as ...
Sport and development in Qatar: International and regional dynamics of sport mega-events
(
Taylor & Francis
, 2021 , Book chapter)
Since winning the bid to host the 2022 FIFA World Cup, Qatar has been under the spotlight, responding to criticism regarding the working conditions of workers involved in the construction of football stadia and other ...
Directionally sensitive homogeneously weighted moving average control charts
(
Wiley
, 2021 , Article)
One-sided control charts for monitoring changes in the mean level are proposed in this paper. The proposed charts are given in the form of a homogeneously weighted moving average technique that provides efficient monitoring ...
سلسلة أبجد لتعليم اللغة العربية للناطقين بغيرها دراسة تحليلية وفقًا لمعايير الجودة
(
كلية الآداب واللغات بجامعة محمد بوضياف بالمسيلة ،الجزائر
, 2021 , Article)
تقدم هذه الدراسة تحليلًا دقيقًا لسلسلة أبجد لتعليم اللغة العربية للناطقين بغيرها وفقًا لمعايير الجودة ومؤشراتها التي يجب توافرها عند إعداد مناهج اللغة العربية لغة ثانية، وتبرز أهم الإيجابيات وجوانب القصور في السلسلة بهدف ...