Articles with "led lighting" as a keyword



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Energy savings in greenhouses by transition from high-pressure sodium to LED lighting

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Published in 2021 at "Applied Energy"

DOI: 10.1016/j.apenergy.2020.116019

Abstract: Abstract Greenhouses in high latitudes consume vast amounts of energy for heating and supplemental lighting. Light emitting diodes (LEDs) have been suggested as having great potential for reducing greenhouse energy use, as they are extremely… read more here.

Keywords: energy savings; pressure sodium; energy; led lighting ... See more keywords
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Nitrate accumulation, productivity and photosynthesis of Brassica alboglabra grown under low light with supplemental LED lighting in the tropical greenhouse

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Published in 2019 at "Journal of Plant Nutrition"

DOI: 10.1080/01904167.2019.1643367

Abstract: Abstract Vegetables are a large source of nitrate (NO3−) in our diet. As NO2− is toxic to humans, it is undesirable to consume vegetables with high NO3− content. Therefore, this study aimed to investigate the… read more here.

Keywords: alboglabra grown; productivity; tropical greenhouse; led lighting ... See more keywords
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Fault-Tolerant LED Lighting Systems Featuring Minimal Loss of Luminous Flux

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Published in 2020 at "IEEE Transactions on Industry Applications"

DOI: 10.1109/tia.2020.2986699

Abstract: The adoption of lighting systems based on light-emitting diode (LED) technologies gains further significance as these technologies become mature, particularly within the context of homes and offices. LED technologies are well known for the superior… read more here.

Keywords: luminous flux; led lighting; fault tolerant; tolerant led ... See more keywords
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Optimization of LED Lighting for Clinical Settings

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Published in 2019 at "Journal of Healthcare Engineering"

DOI: 10.1155/2019/5016013

Abstract: The advent of the LED light source has promoted the concept of human-centric lighting (HCL). The LED has also been responsible for increases in the electrical efficiency of lighting systems, coupled with recent improvements in… read more here.

Keywords: optimization led; lighting clinical; source; clinical settings ... See more keywords
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MATLAB/Simulink based simulations of KY converter for PV panels powered LED lighting system

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Published in 2019 at "International Journal of Power Electronics and Drive Systems"

DOI: 10.11591/ijpeds.v10.i4.pp1885-1893

Abstract: The main objective of this research work is to develop KY conveter topology for renewable energy sources.Solar energy is the readily available and is the cheapest form of energy. It is non-polluting and environment friendly.… read more here.

Keywords: system; led lighting; based simulations; topology ... See more keywords
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Appropriate indices for color rendition and their recommended values for UHDTV production using white LED lighting.

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Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.015010

Abstract: We selected appropriate indices for color rendition and determined their recommended values for ultra-high-definition television (UHDTV) production using white LED lighting. Since the spectral sensitivities of UHDTV cameras can be designed to approximate the ideal… read more here.

Keywords: color rendition; color; led lighting; uhdtv production ... See more keywords
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Designing Safe General LED Lighting that Provides the UVB Benefits of Sunlight

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Published in 2019 at "Applied Sciences"

DOI: 10.3390/app9050826

Abstract: The ultraviolet (UV) rays emitted from sunlight greatly influence human health. Excessive exposure to UV rays can be harmful to eyes and skin; however, limited UVB exposure is essential for the synthesis of vitamin D.… read more here.

Keywords: led lighting; led light; uvb led; light source ... See more keywords
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A Procedure for Mitigating the Light Flicker in Office LED Lighting Caused by Voltage Fluctuations

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Published in 2019 at "Energies"

DOI: 10.3390/en12203975

Abstract: Progress in the development of LED technologies has reached a state which justifies the replacement of lighting with traditional light sources, not only in new buildings but also in existing, older ones. One of such… read more here.

Keywords: office; voltage fluctuations; light flicker; led lighting ... See more keywords
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State of the Art and Elucidation of Postharvest LED Lighting on the Metabolism of Brassica Sprouts

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Published in 2022 at "Horticulturae"

DOI: 10.3390/horticulturae8111065

Abstract: Brassicaceae sprouts are important sources of vitamins, phenolic compounds, minerals, glucosinolates, and isothiocyanates. LEDs illumination have been demonstrated to increase yield and the phytochemical content of young plants. In the present work, rocket, radish, and… read more here.

Keywords: led lighting; metabolism; state art; postharvest led ... See more keywords
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Continuous LED Lighting Enhances Yield and Nutritional Value of Four Genotypes of Brassicaceae Microgreens

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Published in 2022 at "Plants"

DOI: 10.3390/plants11020176

Abstract: The effect of continuous lighting (CL, 24 h) and light spectrum on growth and nutritional quality of arugula (Eruca sativa), broccoli (Brassica oleracea var. italic), mizuna (Brassica rapa. var. nipposinica), and radish (Raphanus sativus var.… read more here.

Keywords: lighting enhances; led lighting; continuous led; nutritional value ... See more keywords
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The Impact of LED Lighting Spectra in a Plant Factory on the Growth, Physiological Traits and Essential Oil Content of Lemon Balm (Melissa officinalis)

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Published in 2022 at "Plants"

DOI: 10.3390/plants11030342

Abstract: With the recent development of LED lighting systems for plant cultivation, the use of vertical farming under controlled conditions is attracting increased attention. This study investigated the impact of a number of LED light spectra… read more here.

Keywords: led lighting; growth; essential oil; plant ... See more keywords