تصفح Research Units حسب العنوان
السجلات المعروضة 4169 -- 4188 من 4919
-
Tailoring Organic Cation of 2D Air-Stable Organometal Halide Perovskites for Highly Efficient Planar Solar Cells
( Wiley-VCH Verlag , 2017 , Article)2D perovskites have recently been shown to exhibit significantly improved environmental stability. Derived from their 3D analogues, 2D perovskites are formed by inserting bulky alkylammonium cations in‐between the anionic ... -
Tailoring the defects of sub-100 nm multipodal titanium nitride/oxynitride nanotubes for efficient water splitting performance
( Royal Society of Chemistry , 2021 , Article)Deciphering the photocatalytic-defect relationship of photoanodes can pave the way towards the rational design for high-performance solar energy conversion. Herein, we rationally designed uniform and aligned ultrathin ... -
Tailoring the deposition of MoSe2 on TiO2 nanorods arrays via radiofrequency magnetron sputtering for enhanced photoelectrochemical water splitting
( Elsevier , 2023 , Article)MoSe2/1 D TiO2 nanorods (NRs) heterojunction assembly was systematically fabricated, and its photoelectrocatalytic properties were investigated. The fabrication process involves the growth of 1D TiO2 NRs arrays on FTO ... -
Takagi–Sugeno fuzzy based power system fault section diagnosis models via genetic learning adaptive GSK algorithm
( Elsevier B.V. , 2022 , Article)To effectively deal with the operating uncertainties of protective relays and circuit breakers existing in the power system faults, an improved fault section diagnosis (FSD) method is proposed by using Takagi–Sugeno fuzzy ... -
The tale of an endemic shrimp’s exceptional osmoregulation and the ancient Athalassic mangrove oasis
( Springer Nature , 2024 , Article)The hyperarid mangrove in the Middle East is characterised by the absence of rivers or freshwater inputs and is one of the most extreme settings of this ecosystem on Earth. Endemic to Qatar’s hyperarid mangroves, a Palaemon ... -
Tandem osmotic engine based on hydrogel particles with antipolyelectrolyte and polyelectrolyte effect fuelled by both salinity gradient modes
( MDPI , 2021 , Article)In this study, we propose a new approach to attain energy by salinity gradient engines with pistons based on hydrogels possessing polyelectrolyte and antipolyelectrolyte effects in a tandem arrangement, providing energy ... -
Tannic Acid-Loaded Hydroxyapatite Carriers for Corrosion Protection of Polyolefin-Coated Carbon Steel
( MDPI , 2022 , Article)In this study, pH-sensitive hydroxyapatite particles loaded with tannic acid were incorporated in polyolefin-based coatings for the corrosion protection of carbon steel. Transmission electron microscopy (TEM), X-ray ... -
A TaqMan real-time PCR-based assay for the identification of Fasciola spp.
( Elsevier , 2011 , Article)Real time quantitative PCR (qPCR) is one of the key technologies of the post-genome era, with clear advantages compared to normal end-point PCR. In this paper, we report the first qPCR-based assay for the identification ... -
Target gastropods for standardizing the monitoring of tar mat contamination in the Arabian Gulf
( Elsevier , 2022 , Article)This study proposes a standardization process for the monitoring the level of tar mat contamination in the Arabian Gulf. In the study, we selected target gastropod species and evaluated the ecological and ecotoxicological ... -
Targeted and suspect screening of contaminants in coastal water and sediment samples in Qatar
( Elsevier B.V. , 2021 , Article)In recent years, high resolution mass spectrometry (HRMS) combined with separation techniques has allowed comprehensive analysis of contaminants of emerging concern (CECs) as well as their metabolites and transformation ... -
Targeting cancer signaling pathways by natural products: Exploring promising anti-cancer agents
( Elsevier , 2022 , Article Review)Cancer is one of the leading causes of death and significantly burdens the healthcare system. Due to its prevalence, there is undoubtedly an unmet need to discover novel anticancer drugs. The use of natural products as ... -
Targeting triple negative breast cancer heterogeneity with chalcones: a molecular insight.
( Informa Healthcare , 2019 , Article Review)Triple negative breast cancers (TNBCs) are aggressive heterogeneous cancers with not yet determined conventional targeted medication. Therefore, identification of new alternatives or improved treatment options to combat ... -
Tax Policy Debate Over Tax Incentives in Developing Countries: the Case of Egypt
( School of Taxation and Business Law (Atax), UNSW Business School, UNSW Australia , 2016 , Article)Tax policy is normally formulated and implemented during politically stable periods. The collapse of the Soviet Union and Eastern bloc countries in the early 1990s have allowed researchers to study tax policy reform in ... -
Taxing intellectual property transactions in developing countries : the case of pharmaceutical indusrty in Egypt and India
( LAP LAMBERT Academic Publishing , 2013 , Book)Strengthening the protection measures of Intellectual Property Rights (IPR) in compliance with the TRIPS agreement creates a need for an appropriate tax treatment of IPR by developing countries. This need is important to ... -
TDDFT Studies on sheet size-dependency of optoelectronic properties of 2d silicon
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Silicene, a two-dimensional (2D) silicon nanosheet, has gained immense interest due to potential applications, better compatibility, and expected integration with current silicon (Si) technology. This work explores the ... -
Teacher leadership and virtual communities: Unpacking teacher agency and distributed leadership
( Springer Nature , 2024 , Article)This study explored the development of teacher leadership in collaborative online spaces, also called virtual communities of practice (vCoP). Employing a phenomenological research design with semi-structured interviews as ... -
Teachers’ perceptions of the barriers to STEM teaching in Qatar’s secondary schools: a structural equation modeling analysis
( Frontiers Media , 2024 , Article)Introduction: Educators play a pivotal role in shaping students’ academic achievements, particularly in STEM (science, technology, engineering, and mathematics) fields. The instructional techniques employed by teachers ... -
Teaching in times of crisis: The impact of the COVID-19 pandemic on higher education
( Taylor and Francis Group , 2022 , Article)Although increasing numbers of studies have examined online teaching in the last decade, examination during a crisis context is rare. This study fills this critical gap and is a rapid response research to suggest insights ... -
Teaching style differences between male and female science teachers in qatari schools: Possible impact on student achievement
( Modestum LTD , 2019 , Article)In Qatar's gender-segregated public schools, female students outperform male students in international science tests such as PISA and TIMMS. In contrast to the international trend for top performing countries, however, ... -
TEAM-BASED INNOVATION CONTESTS FOR CROWDSOURCING: AN EXPLORATORY STUDY ON IDEACONNECTION PLATFORM
( World Scientific Publishing , 2022 , Article)Crowdsourcing for innovation contests represents a promising mechanism to access and integrate external ideas. Among various crowdsourcing types, online, team-based contest is one of the most prominent one. The objective ...
