نتایج جستجو برای: led lights

تعداد نتایج: 218683  

Journal: :EURASIP J. Wireless Comm. and Networking 2013
Madoka Nakajima Shinichiro Haruyama

In this study, we propose an indoor navigation system that utilizes visible light communication technology, which employs LED lights and a geomagnetic correction method, aimed at supporting visually impaired people who travel indoors. To verify the effectiveness of this system, we conducted an experiment targeting visually impaired people. Although acquiring accurate positional information and ...

احمدی, طیبه, سبزعلیان, محمد رضا, شبانی, لیلا,

Light emitting diodes (LEDs) could provide specific quality and quantity of light for normal plant growth. Melissa officinalis L. is one of the most important medicinal plants in the world that has many applications in drug and flavoring industris. We cultivated lemon balm rhizomes in pot and placed the pots in four incubators containing LED lamps with the spectrum of red (100%), blue (100%), 7...

Journal: :International Journal of Current Microbiology and Applied Sciences 2017

Journal: :JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 2019

Journal: :Reactions 2023

Photocatalysis application in water treatment has been the object of many researchers worldwide recent decades. However, there are limited commercial applications due to low photon transfer efficiency, which create barriers leading challenges making process efficient and economically feasible. Fixed UV/visible light sources, generally located outside reactor or encapsulated quartz tube inside s...

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