Results 21 to 30 of about 1,179,193 (165)

Performance of Broilers Reared under Monochromatic Light Emitting Diode Supplemental Lighting

Brazilian Journal of Poultry Science, 2015
The purpose of this study was to evaluate the effect of green monochromatic light emitting diodes (LED) or white fluorescent lamps on the growth performance of broilers reared in open houses.
BDM Guevara, PS Pech, BR Zamora, SLF Navarrete, SHF Magaña   +4 more
doaj   +1 more source

Response surface optimization of light conditions for organic matter accumulation in two different shapes of Arthrospira platensis

Frontiers in Nutrition, 2023
Arthrospira platensis has attracted wide attention as a cyanobacteria with high nutritional value. In this research, the response surface method was used to study the effects of light cycle, light intensity and red-blue LED conditions on the growth and ...
Sun Jian-Fei, Shang Meng-hui, Zang Xiao-nan   +2 more
doaj   +1 more source

Study about photoinduction-based technology for trapping small brown planthopper

Frontiers in Plant Science, 2022
To provide a theory to guide the selection of the illumination parameters of light emitting diode (LED)-based light sources used for trapping Laodelphax striatellus, we used LED light sources and devices built in-house to detect L.
Shaoqi Zhan, Shaoqi Zhan, Shaoqi Zhan, Shaoqi Zhan, Zhentao Sheng, Zhentao Sheng, Zhentao Sheng, Zhentao Sheng, Yiming Liu, Yiming Liu, Yiming Liu, Yiming Liu, Ke Xu, Ke Xu, Ke Xu, Ke Xu, Jiahui Wang, Jiahui Wang, Jiahui Wang, Jiahui Wang, Weixing Cao, Weixing Cao, Weixing Cao, Weixing Cao, Yongchao Tian, Yongchao Tian, Yongchao Tian, Yongchao Tian, Jun Ni, Jun Ni, Jun Ni, Jun Ni   +31 more
doaj   +1 more source

Growth, essential oil content, and content of coumarin in young plants of guaco (Mikania glomerata Sprengel) cultivated under colored nets [PDF]

Biotemas, 2011
Mikania glomerata Sprengel is a medicinal plant widely used in folk medicine, mainly to treat respiratory disorders, which acts by dilating the bronchi, being coumarin one of the substances associated with this effect.
Girlene Santos Souza, Evaristo Mauro Castro, Ângela Maria Soares, José Eduardo Brasil Pereira Pinto, Maria Gorette Resende, Suzan Kelly Vilela Bertolucci   +5 more
doaj  

The Influence of Different Light Wavelengths on Growth, Enzymes Activity and Photosynthesis of the Marine Microalga Dunaliella parva W.Lerche 1937

مجلة بغداد للعلوم, 2021
Light is an important factor that influences the growth and photosynthetic efficiency of microalgae; however, little is known about how light intensity together with the wavelength affect the photosynthetic capacity and growth of marine microalgae.
Mostafa Mohamed EL-Sheekh, Samha Dewidar, Azza hamad   +2 more
doaj   +1 more source

Inhibition of Aspergillus oryzae Mycelium Growth and Conidium Production by Irradiation with Light at Different Wavelengths and Intensities

Microbiology Spectrum, 2021
Aspergillus oryzae is a safe filamentous fungus widely used in the food, medicine, and feed industries, but there is currently not enough research on the light response of A. oryzae. In this study, 12 different light conditions were set and A.
Shangfei Lin, Haokuan Qin, Xiaolin Zhang, Wenqi Li, Muqing Liu   +4 more
doaj   +1 more source

Flowering and Morphogenesis of Kalanchoe in Response to Quality and Intensity of Night Interruption Light

Plants, 2019
The effects of the quality and intensity of night interruption light (NIL) on the flowering and morphogenesis of kalanchoe (Kalanchoe blossfeldiana) ‘Lipstick’ and ‘Spain’ were investigated.
Dong Il Kang, Hai Kyoung Jeong, Yoo Gyeong Park, Byoung Ryong Jeong   +3 more
doaj   +1 more source

Light Intensity and Depth Perception [PDF]

The Journal of Nervous and Mental Disease, 1897
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openaire   +1 more source

A Greenhouse Test to Explore and Evaluate Light-Emitting Diode (LED) Insect Traps in the Monitoring and Control of Trialeurodes vaporariorum

Insects, 2020
Population control of small sucking insects has been challenging, and alternative control methods are constantly being sought. Visual traps have long been used to monitor and control pests.
Jihong Zhang, Huyin Li, Maorong Liu, Huan Zhang, Hai Sun, Hongtuo Wang, Lin Miao, Miaomiao Li, Ruihao Shu, Qilian Qin   +9 more
doaj   +1 more source

Photo-Rheological Fluid-Based Colorimetric Ultraviolet Light Intensity Sensor

Sensors, 2019
This study presents an introduction to a new type of ultraviolet (UV) light intensity sensor using photo-rheological (PR) fluids whose properties, such as color, can be changed by UV light.
Kyung-Pyo Min, Gi-Woo Kim
doaj   +1 more source