Results 11 to 20 of about 723,414 (150)

Optical Thickness of Dielectric Layer in Solar Cell Design for Improved Efficiency: A Theoretical Insight [PDF]

open access: yesPhysics Access
This study investigates the effect of varying dielectric layer thickness on the optical properties of solar cells using MATLAB. Dielectric layers with thickness ranging from 10 to 100 nm were analyzed across 200 to 1200 nm wavelengths.
Francis Aungwa   +9 more
doaj   +1 more source

Study the Effect of Laser Wavelength on ZnO Nanoparticle Characteristics Synthesized by Pulse Laser Ablation as an Antibacterial Application [PDF]

open access: yesEngineering and Technology Journal, 2022
In recent years, biologists, chemists, materials scientists, and engineers have become interested in Nano-sized particles because of their unique properties.
Hadeel Imran   +2 more
doaj   +1 more source

Motion of a Self-Propelling Micro-Organism in a Channel Under Peristalsis: Effects of Viscosity Variation

open access: yesNonlinear Analysis, 2007
The motion of a self propelling micro-organism symmetrically located in a rectangular channel containing viscous fluid has been studied by considering the peristaltic and longitudinal waves travelling along the walls of the channel.
G. Radhakrishnamacharya, R. Sharma
doaj   +1 more source

INSTRUMENTAL COLOR MEASUREMENT OF MEAT AND MEAT PRODUCTS IN X-RITECOLOR®MASTER [PDF]

open access: yesApplied Computer Science, 2020
The aim of the study was to evaluate the influence of lyophilized plant extract on color of canned meat with reduced amount of sodium (III) nitrite measured by spectrophotometric methods.
Karolina FERYSIUK   +3 more
doaj   +1 more source

Backscatter Distributions of Persistent and Distributed Scatterers Over Wavelength: Results From X-, C-, and L-Band

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Persistent scatterer (PS) techniques are a set of important time-series tools for interferometric synthetic aperture radar (InSAR) that enable deformation analysis in highly decorrelated terrain.
Stacey Huang, Howard A. Zebker
doaj   +1 more source

Er:YAG and Diode Lasers in Treatment of Peri-Implantitis–A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2019
One of the leading causes of dental implant loss in the present time is peri-implantitis. This paper describes a clinical case of peri-implantitis treatment using Er:YAG and a 980-nm diode laser.
Alexandros Nikita
doaj   +1 more source

Preferences of Dairy Cattle for Supplemental Light-Emitting Diode Lighting in the Resting Area

open access: yesAnimals, 2022
Light from the environment is important for vision and regulating various biological processes. Providing supplemental lighting in the stall area could allow for individually targeted or group-level control of light. This study aimed to determine whether
Angela M. Wilson   +3 more
doaj   +1 more source

INCREASING THE LEVEL OF PHOTO BIOLOGICAL SAFETY OF THE EMISSION SPECTRUM OF AN LED LIGHT SOURCE

open access: yesСучасний стан наукових досліджень та технологій в промисловості, 2020
The subject of research is the emission spectra of light sources based on LED structures. The purpose of the work is to formulate proposals to improve the photo biological safety of LED lighting systems.
Igor Bondarenko   +3 more
doaj   +1 more source

Effect of wavelength of sinusoidal wavy wall surface on drag and heat transfer at turbulent thermal boundary layer flow

open access: yesJournal of Thermal Science and Technology, 2018
Direct numerical simulations of thermal turbulent boundary layer flows over a wavy wall surface are performed to investigate the effect of a wavelength on drag coefficients and heat transfer performance.
Hiroya MAMORI   +8 more
doaj   +1 more source

Design of Zero Dispersion Optical Fiber at Wavelength 1.3 m [PDF]

open access: yesمجلة التربية والعلم, 2018
In this article, an optical fiber was designed with zero- dispersion at wavelength of (1.3 m). The design took into consideration many factors of the fiber, such as; fiber cross- section, fiber material, refractive index.
R. S. Habeb
doaj   +1 more source

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