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السجلات المعروضة 26127 -- 26146 من 49153
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Vertical Silicon Nanowires Based Directional Coupler Optical Router
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)A fully complementary metal-oxide-semiconductor compatible optical router is demonstrated. The router structure is built using the silicon-organic hybrid platform, while its mechanism is based on the directional coupler ... -
Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf
( Blackwell Publishing Ltd , 2017 , Article)An assessment of vertical distribution, diel migration, taxonomic and functional diversity of fishes was carried out at offshore platforms in The (Arabian-Iranian-Persian) Gulf. Video footage was recorded at the Al Shaheen ... -
Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)About one third of the oil and gas extracted worldwide comes from offshore sources. There is currently thousands of large-scale oil and gas platforms spread across the seas and coastal oceans, from the North Sea to the ... -
Vertically oriented nanoporous block copolymer membranes for oil/water separation and filtration
( Royal Society of Chemistry , 2020 , Article)The separation of oil from water and filtration of aqueous solutions and dispersions are critical issues in the processing of waste and contaminated water treatment. Membrane-based technology has been proven as an effective ... -
Verum- versus Sham-Acupuncture on Alzheimer’s Disease (AD) in Animal Models: A Preclinical Systematic Review and Meta-Analysis
( hindawi , 2020 , Article)Background. Alzheimer’s disease (AD) is a common health condition affecting senile people and leads to severe cognitive dysfunctions. Acupuncture has been shown to be a possible alternative natural remedy for AD in some ... -
VHDRA: A Vertical and Horizontal Intelligent Dataset Reduction Approach for Cyber-Physical Power Aware Intrusion Detection Systems
( Hindawi Limited , 2019 , Article)The Cypher Physical Power Systems (CPPS) became vital targets for intruders because of the large volume of high speed heterogeneous data provided from the Wide Area Measurement Systems (WAMS). The Nonnested Generalized ... -
Viability of and Escherichia coli O157:H7 and Listeria monocytogenes in a delicatessen appetizer (yogurt-based) salad as affected by citrus extract (Citrox©) and storage temperature
( Elsevier , 2018 , Article)The antimicrobial effect of citrus extract (at 1 mL/kg [C1] and 2 mL/kg [C2]) on naturally occurring microbiota and inoculated pathogens (E. coli O157:H7 and L. monocytogenes at ca. 6 log cfu/g) in the traditional Greek ... -
Viability of and Escherichia coli O157:H7 and Listeria monocytogenes in a delicatessen appetizer (yogurt-based) salad as affected by citrus extract (Citrox©) and storage temperature
( Academic Press , 2018 , Article)The antimicrobial effect of citrus extract (at 1 mL/kg [C1] and 2 mL/kg [C2]) on naturally occurring microbiota and inoculated pathogens (E. coli O157:H7 and L. monocytogenes at ca. 6 log cfu/g) in the traditional Greek ... -
Vibration characteristics of microplates with GNPs-reinforced epoxy core bonded to piezoelectric-reinforced CNTs patches
( Techno-Press , 2021 , Article)In the current study, vibration characteristics of a three-layered rectangular microplate with Graphene nanoplatelets (GNPs)-reinforced Epoxy core which is fully bonded to piezoelectric-reinforced single-walled Carbon ... -
Vibration Cycling Did Not Affect Energy Demands Compared to Normal Cycling During Maximal Graded Test
( Frontiers Media S.A. , 2019 , Article)The aim of this study was to compare the physiological responses between a vibration induced cycling step protocol (Vib) and normal cycling (without vibration, no-Vib). Eighteen moderate trained males (age 24.1 ± 4.3 years; ... -
Vibration Energy Harvesting in Wireless Sensor Networks (WSNs) for Structural Health Monitoring (SHM)
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Harvesting of vibration energy from the ambient environment, such as vibrations experienced by bridges due to vehicle movements, wind, earthquakes, has become an essential area of study by many scientists aiming to design ... -
Vibration of Periodic Drill-Strings with Local Sources of Resonance
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive periodic inserts, which are integrated with sources of local resonance ... -
Vibration of rotating functionally graded Timoshenko nano-beams with nonlinear thermal distribution
( Taylor and Francis Inc. , 2018 , Article)The vibration analysis of rotating, functionally graded Timoshenko nano-beams under an in-plane nonlinear thermal loading is studied for the first time. The formulation is based on Eringen's nonlocal elasticity theory. ... -
Vibration Prediction Model for Building Developments Adjacent to Railways
( Qatar Univesrity Press , 2020 , Conference Paper)This paper presents the experimental and computational evaluation of ground-borne noise and vibration impacts at sensitive receivers in the vicinity of existing track sections. Vibration problems occur as an effect of train ... -
Vibration sensing systems based on poly(Vinylidene fluoride) and microwave-assisted synthesized zno star-like particles with controllable structural and physical properties
( MDPI AG , 2020 , Article)This study deals with the effect of zinc oxide (ZnO) star-like filler addition to the poly(vinylidene fluoride) (PVDF) matrix, and its effect on the structural and physical properties and consequences to the vibration ... -
Vibration suppression in metastructures using zigzag inserts optimized by genetic algorithms
( Springer New York LLC , 2017 , Conference Paper)Metastructures are known to provide considerable vibration attenuation for mechanical systems. With the optimization of the internal geometry of metastructures, the suppression performance of the host structure increases. ... -
Vibration wave characteristics in Conventional and Periodic Drill string models
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Drill string models are of two major types- Conventional and Periodic. Conventional drill string models are widely used due to their simplicity in manufacturing and dynamics analysis. Drill strings are affected mainly by ... -
Vibrational Analysis Of TaBr5
( Qatar University , 1987 , Article)Vibrational analysis for TaBr5 is achieved on the basis of D3h symmetry and employing GF matrix method. Each vibration is quantitatively assigned according to the calculated values of the potential energy distributions. ... -
Vibrational Mechanics by Maple Practical Applications
( Qatar University Press (QU Press) , 2023 , Book)The book “Vibrational Mechanics by Maple Practical Applications” is designed to assist undergraduate and postgraduate students majoring in physics, mechanical engineering, electromechanical and aerospace engineering in ... -
Vibrations Serviceability of a Medical Facility Floor for Sensitive Equipment Replacement: Evaluation with Sparse in Situ Data
( American Society of Civil Engineers (ASCE) , 2019 , Article)Vibrations serviceability of building floors has been a growing concern over the years. For steel-framed systems, vibrations serviceability checks often govern the structural design. When the floor is carrying vibration-sensitive ...
