Results 31 to 40 of about 341,046 (199)

Swept-source optical coherence tomography and optical coherence tomography angiography in acquired toxoplasmic chorioretinitis: a case report

open access: yesJournal of Medical Case Reports, 2018
Purpose To describe swept-source optical coherence tomography and optical coherence tomography angiography retinal changes in a case of acute toxoplasmic chorioretinitis both at the time of diagnosis and after healing.
Diego Vezzola   +6 more
doaj   +1 more source

Experimental Study on the Effect of the Blade Tip Distance on the Power and the Wake Recovery with Small Multi-Rotor Wind Turbines

open access: yesJournal of Marine Science and Engineering, 2023
In order to investigate the output power and wake velocity of small multi-rotor wind turbines compared to single-rotor wind turbines, which operate in the same swept area at various blade tip distances, this paper used the wind tunnel test method to ...
Sen Gong, Kai Pan, Hua Yang, Junwei Yang
doaj   +1 more source

Comparison of Blade Dimension Design of a Vertical Wind Turbine Applied in Low Wind Speed

open access: yesE3S Web of Conferences, 2018
The type of vertical turbine used for this research was a savonious where the profile of the blade was made in the form of a half-cylinder. The performance of the turbine rotation was strongly influenced by the swept area.
Yuliandi Rizky Brillian   +2 more
doaj   +1 more source

Harvesting Wind Energy from Aerodynamic Design for Building Integrated Wind Turbines

open access: yesInternational Journal of Technology, 2014
Alternative energy, nowadays, becomes more necessary than fossil fuels which might be destructing and polluting the earth’s environment. Wind can be one of the most cheap, secure, environment friendly and reliable energy supplies.
Kang-Pyo Cho   +2 more
doaj   +1 more source

Estimation of Exploitable Sprat (Sprattus sprattus, Linnaeus, 1758) Biomass along Black Sea Coasts of Turkey (Samsun Region): This Paper is Dedicated to the Memory of Sedat GÖNENER

open access: yesJournal of New Results in Science, 2020
In this study, exploitable stock biomass of sprat (Sprattus sprattus, Linnaeus, 1758) distributed along Samsun shelf area (SSA) was estimated for the period 2014 January – May. “Swept Area” method was used in the study.
Uğur Özsandıkçı
doaj  

optical biopsy of choroidal osteoma: a swept source optical coherence tomography–based tumor characterization

open access: yesTherapeutic Advances in Ophthalmology, 2020
Objective: To study tumor characteristics of choroidal osteoma by swept source optical coherence tomography. Methods: A retrospective case series done at tertiary referral center in northern India.
Shorya Vardhan Azad   +9 more
doaj   +1 more source

Direct Measurements of Turbulence and Flow Characteristics of a Vertical Axis Wind Turbine Using the Eddy Covariance Method [PDF]

open access: yesIranica Journal of Energy and Environment, 2016
Turbulence intensity measurements of vertical axis wind turbine (VAWT) are essential to detemineitsefficiency and performance. In this study, the eddy covariance (EC) method was used to characterise the flow and directly measure turbulence of a VAWT in a
Y. H’ng, Y. Yusup
doaj   +1 more source

Effect of Wind-Wave-Current Interaction on Oil Spill in the Yangtze River Estuary

open access: yesJournal of Marine Science and Engineering, 2023
Oil spills are major threat to marine ecosystem and have long-lasting effect on marine life and water quality. In this study, a two-dimension hydrodynamic and oil spill transport model of the Yangtze River Estuary is established based on MIKE21 with a ...
Cuiping Kuang   +5 more
doaj   +1 more source

Analysis of improving oil recovery in polymer area by expanding swept volume

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract In order to realize the development effect of the new K1 polymer flooding block in T oilfield, meet the recovery ratio not lower than that of the old test area and the small well spacing area, and reach or exceed the established development goal of the salt-resistant test area, it is necessary to expand the swept volume ...
openaire   +1 more source

Biological characteristics and biomass estimations of the fish stocks on the South Georgia shelf in the 1986/87 seasons [PDF]

open access: yesActa Ichthyologica et Piscatoria, 1992
The fish species on the South Georgia shelf were sampled in the 1986/87-1988/89 fishing seasons, during three RV "Profesor Siedlecki" cruises.
J. Sosiński, J. Szlakowski
doaj   +3 more sources

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