نتایج جستجو برای: red led
تعداد نتایج: 357390 فیلتر نتایج به سال:
Recently, LEDs with various light qualities have been used in closed plant factories, and they are known to different effects on the growth quality of crops. Therefore, this study was conducted investigate change mini red romaine lettuce using qualities. Wide spectrum (WRS)-LEDs, blue (B)-LEDs, + (BR)-LEDs, (R)-LEDs, white (W)-LEDs were as artificial sources. Regarding growth, R-LED treatment s...
Colour harmony plays an important role in fine arts, architecture and design. But it can be also important to describe the quality of light sources: the distortion of perceived colour harmony of a set of colour samples under a light source can be a relevant factor by ranking the perceived colour quality of different light sources. In an earlier experimental study[1], we came to the conclusion t...
BACKGROUND Laser/light-based devices may provide an alternative to conventional acne therapeutics in some patients with nonresponsive acne. OBJECTIVE We investigated the efficacy of red or infrared light-emitting diode (LED) devices in a mouse model of Propionibacterium acnes-induced inflammation through clinical examination and histopathological and immunohistochemical studies. METHODS A h...
The Vidar use with r designed t work in th compared reported f resolution scattering artifact of eliminated the Red L the availa scanner y linear acc INTERNATIONAL SPECIALTY PRODUCTS 1361 Alps Road Wayne NJ 07470∙ Tel: 973-628-4000 rmance of the Vidar Red LED Dosimetry Pro AdvantageTM: r optimized for use with GAFCHROMIC EBT Dosimetry Film. avid F. Lewis, Ph.D., Senior Director, Advanced Materi...
طر احی led مبتنی بر ساختار مواد gan پرداخته شده است که در ابتدا به ساختار کلی led و فرایندهای ساخت آن ذکر شده است. از جمله فرایندهای که در ساخت ادوات نیمه هادی انجام می گیرد شامل اکسیداسیون , افزودن ناخالصی (که هم به صورت نفوذ و کاشت یونی می توان انجام گیرد) لایه نشانی , رونشینی فاز بخار (که به صورت گسترده ای در ساخت led به کار می روند دارای اهمیت است.) رسوب خلاء , عمل کند وپاش , فتولیتوگرافی ...
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