Results 11 to 20 of about 2,436,424 (285)

Device for Identifying the UV Emission Spectrum [PDF]

open access: yesSensors, 2022
Nowadays, the disinfection of classrooms, shopping malls, and offices has become an important part of our lives. One of the most effective disinfection methods is ultraviolet (UV) radiation.
Robert Jenő Kovács   +2 more
doaj   +2 more sources

Research Paper: Optical Properties of Algae in Order to Design and Build a Device for Measuring the Amount of Chlorophyll in Water Reservoirs Using the Optical Fluorescence Emission Method [PDF]

open access: yesفیزیک کاربردی ایران, 2023
In this article, we will first get acquainted with the absorption and emission optical properties of algae and types of chlorophylls, and then we will examine the optical setup for measuring the photoluminescence light produced by algae, which is the ...
Ehsan Koushki, Eisa Kohan-Baghkheirati
doaj   +1 more source

Acoustic emission signal analysis [PDF]

open access: yes, 1982
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.An extension of acoustic emission technology was made which permits identification of probable source mechanisms for signals emitted during the failure of ...
Carlyle, John Michael
core   +7 more sources

Acoustic Emission Signal Classification in Condition Monitoring Using the Kolmogorov-Smirnov Statistic. [PDF]

open access: yes, 2001
Acoustic emission (AE) measurement at the bearings of rotating machinery has become a useful tool for diagnosing incipient fault conditions. In particular, AE can be used to detect unwanted intermittent or partial rubbing between a rotating central ...
Mba, David   +2 more
core   +7 more sources

Device Modeling of Quantum Dot–Organic Light Emitting Diodes for High Green Color Purity

open access: yesApplied Sciences, 2021
In this study, the optimal structure for obtaining high green color purity was investigated by modeling quantum dot (QD)–organic light-emitting diodes (OLED).
Byoung-Seong Jeong
doaj   +1 more source

Study of the lighting characteristics of Uniel retrofit LED lamps

open access: yesVestnik MGTU, 2023
The paper considers the photometric characteristics of LED retrofit lamps produced by the Russian-Chinese company Uniel: Uniel LED-G45-6W/4000K, Uniel LED-A60-8W/6500K, and Uniel LED-A60-9W/4000K, designed to replace traditional incandescent bulbs ...
Ashryatov A. A.   +2 more
doaj   +1 more source

Time parameters of optimal emission spectrum registration using millisecond laser pulses [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and Purpose. Emission spectra of copper-silver alloys are examined for various recording durations. The radiation coming to the photodetector of the spectrometer consists of the reflected laser radiation and the line spectra of vapors formed by ...
M.I. Dzubenko   +3 more
doaj   +1 more source

Emission Spectrum of Californium [PDF]

open access: yesJournal of the Optical Society of America, 1962
The measured emission spectrum of Cf was compared with observations of the supernovas lC4l82 and NGCl003. No similarities were found. Wavelengths and relative intensities of the Cf line are presented in tabular form. (L.N.N.)
J G, CONWAY, E K, HULET, , MORROWRJ
openaire   +2 more sources

Tailored Broad-Spectrum Emission in Hybrid Aggregation Induced Emission (AIE)-MOFs: Boosting White Light Efficiency in Electrospun Janus Microfibers [PDF]

open access: yes, 2023
Advances in energy-efficient lighting and display technologies demand innovative materials with tailored broad-spectrum emission properties. Hybrid aggregation-induced emission metal-organic frameworks (AIE-MOFs) offer a promising avenue, combining ...
Samraj, Mollick   +2 more
core   +2 more sources

Metabolomics of Pseudomonas aeruginosa Treated by Atmospheric-Pressure Cold Plasma

open access: yesApplied Sciences, 2021
With increasing drug resistance of Pseudomonas aeruginosa, a new sterilization method is needed. Plasma has been shown to be an effective method of sterilization, but no researchers have studied the effect of plasma on bacterial metabolism. In this paper,
Dehui Xu   +5 more
doaj   +1 more source

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