نتایج جستجو برای: red led
تعداد نتایج: 357390 فیلتر نتایج به سال:
Pot fisheries are one of the dominant activities capture in Penaah waters Lingga, Riau Archipelago. This study aims to determine effect red LED lamp attractors on fish catches pots and identify species. was conducted Pena'ah Village, Senayang District, Lingga Regency, Islands, using an experimental method. Data were collected from 18 for days. There three treatments, namely pot without bait as ...
Objective: To determine the effect of blue light (BL) and red (RL), applied five hours at end day (AED) that temperature, on flowering Euphorbia pulcherrima var Valenciana. Design/Methodology/Approach: Three groups plants were established under greenhouse conditions, all received sunlight (SL), AED one was BL (460 nm) another RL (660 with a photosynthetically active photon flux 440 µmol m-2 s-1...
The number of fishes were conducted a series of bacteriological examinations to confirm the clinical symptoms that appeared and led to streptococcal infection. Results of the external examination from two moribund red tilapia found the hemorrhagic traces in some parts of the body such as the cranial area near the mouth, eyes, operculum, and some body parts and erosion on the tail, pectoral, and...
Abstract InGaN-based LEDs are efficient light sources in the blue–green range and have been successfully commercialized last decades. Extending their spectral to red region causes a significant reduction LED efficiency. This challenge hinders integration of red, green, blue based on III-nitride materials, especially for full-color micro-LED displays. We review our recent progress with different...
This review presents current research on the use of far-red to near-infrared (NIR) light treatment in various in vitro and in vivo models. Low-intensity light therapy, commonly referred to as "photobiomodulation," uses light in the far-red to near-infrared region of the spectrum (630-1000 nm) and modulates numerous cellular functions. Positive effects of NIR-light-emitting diode (LED) light tre...
Metabolome analysis was carried out to evaluate the effects of light-emitting diode (LED) spectra on the metabolic processes of ginseng (Panax ginseng C. A. Mayer) adventitious roots. In total, 35 hydrophilic and 11 lipophilic metabolites were identified in ginseng roots irradiated with red (630 nm), blue (465 nm) LED light or fluorescent lamp (FL) light, by gas chromatography–time-offlight mas...
در این تحقیق روش طیف سنجی جذبی پسابهای رنگرزی مورد استفاده قرار گرفته است و پس از تایید پیروی محلول رنگزاهای cibacron red 3b-a (مونوکلروتریآزینیلی) و remazol red 3b (وینیل سولفونی) از قانون بیر-لامبرت، و سنجش تاثیر عوامل مختلف بر روی طیف جذبی محلول این رنگزاها، راندمان تثبیت رنگرزیهای انجام گرفته با استفاده از این دو رنگزا، در عمقها و شرایط مختلف رنگرزی به کمک طیف سنجی جذبی محلولهای رنگرزی، شست...
A series of Ca1–xSrxS:Eu (x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0) phosphors were synthesized by solid-state reactions. The Ca1–xSrxS:Eu phosphors have a strong absorption at 455 nm, which corresponds to the emission wavelength of a blue LED. The emission peak of Ca1–xSrxS:Eu is blue shifted from 655 to 618 nm with increasing Sr content. The characteristics of Ca1–xSrxS:Eu phosphors make them suitable...
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