نتایج جستجو برای: led lights
تعداد نتایج: 218683 فیلتر نتایج به سال:
The remarkable properties of light-emitting diodes (LEDs) make them ideal sources for many applications ranging from indicator lights, optical communication systems, and displays to solid-state lighting. In this paper a radiometric approach to realistically model the intensity spatial distribution of encapsulated LEDs is presented. We provide an analytical relationship between the radiated patt...
Recent innovations in smartphone technology have led to the development of a number of applications for the valid and reliable measurement of physical performance. Smartphone applications offer a number of advantages over laboratory based testing including cost, portability, and absence of postprocessing. However, smartphone applications for the measurement of running speed have not yet been va...
The major bioactive compounds in S. chirayita are amarogentin (most bitter compound) and mangiferin, which contribute to its medicinal value due antidiabetic, anticancer, antimicrobial antimalarial properties. In this study, we developed a light emitting diode (LED)–based culture setup as an alternative the existing white fluorescent lamps (WFL) used source tissue conditions of plants. in-vitro...
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