Results 1 to 10 of about 4,079,422 (304)

Wide-Band High Concentration-Ratio Volume-Holographic Grating for Solar Concentration [PDF]

open access: yesSensors, 2020
Efficient and low-cost solar-energy collection has become the focus of many research works. This paper proposes a recording method and an experimental verification of a wide-band, large-angle, and high concentration-ratio volume-holographic grating for ...
Chengchen Wang   +4 more
doaj   +5 more sources

Utilization Trends and Concentration Ratio of Korean Medicine: Based on the National Health Insurance Data [PDF]

open access: yesJournal of Pharmacopuncture, 2021
Objectives: Although Korean Medicine (KM) subsidized by the National Health Insurance (NHI) has been used for a long time, there has been no active analysis using claims data .
Hye-Jae Lee   +2 more
doaj   +2 more sources

Concentration Inequalities from Likelihood Ratio Method [PDF]

open access: yes, 2014
We explore the applications of our previously established likelihood-ratio method for deriving concentration inequalities for a wide variety of univariate and multivariate distributions.
Chen, Xinjia
core   +2 more sources

Passive high ratio sunlight concentration configurations [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2013
During the day the sun is moving along curved 1-D trajectory across the sky. This is essential a priori information that can be used in order to design passive optics to perform efficient collection of sunlight without tracking after sun’s location in ...
Rudnitsky A., Zaban A., Zalevsky Z.
doaj   +3 more sources

Analysis of market concentration in the banking sector of the Republic of Serbia [PDF]

open access: yesBankarstvo, 2021
Analysis and measurement of the level of concentration of the banking market is a significant component of the efficient functioning of the economy, an indicator of the development of both the financial and real sectors and an indicator of the degree of ...
Stojmenović Marija
doaj   +1 more source

Bayesian Concentration Ratio and Dissonance [PDF]

open access: yesBayesian Analysis, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Shi, Wei   +3 more
openaire   +1 more source

Electrochemical Corrosion Behavior of 310S Stainless Steel in Hot Concentrated Tap Water

open access: yesMetals, 2023
The corrosion behavior of 310S stainless steel was investigated in synthetic tap water and Ca2+ and Mg2+-free solutions with different concentration ratios at 80 °C using electrochemical measurement techniques and surface analysis methods.
Wen Xian   +3 more
doaj   +1 more source

Inter-market Variability of Smallholder Beef Cattle Farming in East Java Indonesia

open access: yesAgraris: Journal of Agribusiness and Rural Development Research, 2021
Indonesia has failed to achieve meat self-sufficiency; meanwhile, East Java is among the centers of beef cattle with a relatively high contribution in terms of GDP and employment. Therefore, this study aims to identify and analyze the market structure of
Andrie Kisroh Sunyigono   +2 more
doaj   +1 more source

Evaluation of the incidence of the geometry of the reflection area in the optical performance of a handmade prototype of a parabolic trough concentrator [PDF]

open access: yesCientífica, 2022
This article aims to evaluate the incidence of the geometry of the reflection area on the optical performance of a small-scale system of parabolic trough concentrates.
Brayan Eduardo Tarazona-Romero   +3 more
doaj   +1 more source

A New Two-Foci V-Trough Concentrator for Small-Scale Linear Fresnel Reflectors

open access: yesEnergies, 2023
We present the design of an original secondary cavity for use in Small-Scale Fresnel Reflectors in photovoltaic applications. The cavity is similar to the classical V-trough, but the primary reflector system is configured so that there are two focal ...
Alberto Pardellas   +3 more
doaj   +1 more source

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