بحث بسيط
السجلات المعروضة 841 -- 850 من 3317
Arrester-less DC fault current limiter based on pre-charged external capacitors for half-bridge modular multilevel converters
(
Institution of Engineering and Technology
, 2017 , Article)
The half-bridge modular multilevel converter (HB-MMC) is one of the most promising topologies for high-voltage direct current (HVDC) systems. Unlike full-bridge MMC (FB-MMC) and clamp double sub-module MMC (CDSM-MMC), ...
Contributions of Fourier transform infrared spectroscopy in microplastic pollution research: A review
(
Taylor and Francis
, 2020 , Article)
© 2020 Taylor & Francis Group, LLC. Fourier transform infrared (FTIR) spectroscopy has been extensively used in microplastic (MP) pollution research since 2004. The aim of this review is to discuss and highlight the ...
Sources, spatial distribution and characteristics of marine litter along the west coast of Qatar
(
Elsevier
, 2020 , Article)
The spatial distribution, sources and characteristics of marine litter (ML) from 36 locations spread over 12 beaches along the west coast of Qatar have been assessed. A total of 2376 ML items with varying sizes were found ...
Improved ecological monitoring for urban ecosystem protection in China
(
Elsevier
, 2021 , Article)
Ecological monitoring (EM) is a significant scientific topic recognized for its potential for providing basic, but vital, data for ecosystem assessment to address sustainability issues. However, a monitoring framework that ...
Assessment of climate change pattern in the Pauri Garhwal of the Western Himalayan Region: based on climate parameters and perceptions of forest-dependent communities
(
Springer
, 2020 , Article)
© 2020, Springer Nature Switzerland AG. This study assessed the climate change in Pauri district, Uttarakhand, India, a region highly vulnerable to climate change with potentially high loss of livelihoods and lives. The ...
Flavonoids in hypertension: a brief review of the underlying mechanisms.
(
Elsevier
, 2019 , Article)
Flavonoids are a diverse group of bioactive polyphenolic compounds abundant in dietary plants and herbs. Regular consumption of flavonoids exerts cardio-vasculoprotective effects and may reduce the onset or progression of ...
Role updating in information systems using model checking
(
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 ...
Reflections on the potential (and limits) of action research as ethos, methodology and practice: A case study of a women's empowerment programme in the Middle East
(
SAGE Publications Ltd
, 2019 , Article)
This paper argues that an evidence-based approach to advocacy led by and targeting women could amplify women's positioning in the political and economic realms. Participatory Action Research is examined as a process for ...
Demographics and Epidemiology of Hepatitis B in the State of Qatar: A Five-Year Surveillance-Based Incidence Study
(
MDPI
, 2019 , Article)
Background: Expatriates represent >80% of Qatar’s population, mostly arriving from countries in Africa and Asia that are endemic with many diseases. This increases the risk for introducing new pathogens into the country ...
In vitro studies on CNGRC-CPG2 fusion proteins for ligand-directed enzyme prodrug therapy for targeted cancer therapy
(
Impact Journals
, 2020 , Article)
The sequence asparagine-glycine arginine (NGR), flanked by Cysteine (Cys) residues so as to form a disulfide-bridge (CNGRC), has previously been found to target and bind specifically to aminopeptidase N (APN), which is ...