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Optimization of Lightning System for Plant Growth in Life Support System [PDF]

فناوری در مهندسی هوافضا, 2019
The lighting system is one of the most important components of greenhouse or plant growth chambers in Advanced Life-support System (ALSS). Several designs of such lighting systems have been proposed including the use of natural sunlight and electric ...
Halimeh Hassanpour, Roghayeh Pourhabibian +1 more
doaj

Influência dos fotopolimerizadores (luz halógena X LED) na resistência à compressão de resinas compostas

Revista da Faculdade de Odontologia de Porto Alegre, 2008
O objetivo desse estudo foi verificar a resistência à compressão de três compósitos usados em restaurações diretas (Surefil - Dentsply; Concept - Vigodent; Esthetx - Dentsply) polimerizados através de dois tipos de aparelhos fotopolimerizadores: um de ...
Danielle Figueiredo Accetta +3 more
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IN VITRO RESPONSE OF COTINUS COGGYGRIA SCOP. TO THE SPETRAL RADIATION AND LEDS INTENSITY

Siberian Journal of Life Sciences and Agriculture
Background. Modern wide-spectrum LED installations' application under strictly controlled conditions with the correct choice of the quantitative and qualitative light composition helps the microclonal propagation of species Cotinus coggygria Scop., used ...
Olga O. Zholobova, Irina V. Mogilevskaya
doaj +1 more source

The use of orange-red emitting Ba2Ca(BO3)2:Sm3+ phosphor to improve chromaticity and luminance of conventional white leds

Journal of Advanced Engineering and Computation
The characteristics of configuration and illumination of Sm3+ incorporated Ba2Ca(BO3)2 samples produced using the traditional solid-status approach are discussed in this study.
Nguyen Thi Phuong Thao, Hsiao Yi Lee
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Radiation Defects in Green GaP Light-Emitting Diodes

Журнал нано- та електронної фізики
The results of investigations of the optical and electrical characteristics of green GaP light-emitting diodes (LEDs) grown by double liquid-phase epitaxy are presented.
T.M. Zahorodnia +5 more
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Patch Antennas with PDMS Substrate to Detect Tumors and their Data Transmission through ERPO-OFDM Modulation Technique in VLC [PDF]

Mechanics of Advanced Composite Structures
A Patch antenna is a kind of antenna with a low profile, which can be fixed on a surface. It communicates and gets electromagnetic waves inferred way.
Karthikeyan Thavittupalayam Angappana, Nesasudha Moses, Anitha Vijayalakshmi +2 more
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Pertumbuhan dan Hasil Produksi Dua Varietas Tanaman Kale pada Penambahan Spektrum Cahaya dan Lama Penyinaran Light Emitting Diode (LED)

Jurnal Keteknikan Pertanian Tropis dan Biosistem
Kale memerlukan pencahayaan minimal 14-16 jam setiap hari untuk pertumbuhan yang optimal, sehingga cahaya dapat memengaruhi fase vegetatif dan kualitas keseluruhan tanaman kale.
Ahmad Wildan Asyar +3 more
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SIMPLE IDENTIFICATION OF PLANCK’S CONSTANT BY LEDS FOR UNDERGRADUATES MODERN PHYSICS LABORATORY

Journal of Academia, 2020
In this paper, a simple analysis yet a straight forward method of determining the Planck’s constant by evaluating the stopping potential of five different colors of light emitting diodes (LEDs) is presented.
Amin Aadenan
doaj

RESEARCH ON THE ASSIMILATORY PIGMENT CONTENT IN VITRO CULTURES OF AYLOSTERA HELIOSA EXPOSED TO MONOCHROMATIC LIGHT OF DIFFERENT WAVELENGTHS AND COLORS EMITTED BY FLUORESCENT TUBES OR LIGHT-EMITTING DIODES (LEDS)

Natural Resources and Sustainable Development
Light is the external factor that directly influences photosynthesis, acting both as a source of vital energy for plants and as a trigger signal in the processes of growth and development.
Vidican Iuliana Teodora* +5 more
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Luminescent properties and the morphology of SrMoO4:Eu3+ powders synthesized via combining sol-gel and solid-state route

Open Physics, 2010
Wei Qiong, Chen Donghua
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