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29 articles for “Light Intensity”

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Research ArticleOpen accessPhrase in the titleEffect of Salinity, pH, Light Intensity on Growth and Lipid Production of Microalgae for Bioenergy ApplicationMonika Prakash Rai, Trishnamoni Gautom, Nikunj SharmaThe crisis of energy producing molecules (fuels) is expected to increase in future, which is currently produced from crude mineral oil. Biodiesel is most reliable, non-toxic, biocompatible liquid fuel that can replace the existing unsustainable sources of energy. Among all the known sources, microalgae display high potential for the production of biodiesel owing to their numerous benefits like higher biomass … …OnLine Journal of Biological Sciences, Vol. 15, Issue 4 · 5 Nov 2015 · 16,789 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Comparison of Experimental and Analytical Study of the Gaussian IntensityDistribution for Light Emitting Diodes BeamMohammad Syuhaimi Ab-Rahman, Luqman Al-Hakim Azizan, Harry Ramza, Zulkifli MusaProblem statement: Wireless communication using white Light Emitting Diodes (LEDs) is the latest research field for next-generation communication. This study studies the comparison of Gaussian intensity distribution of the white LED using experimental and analytical method. The white LEDs are conducted to transmit an audio signal to the receiver. The receiver circuit consist of solar cell connected to the speaker … …Journal of Computer Science, Vol. 8, Issue 6 · 17 Mar 2012 · 7,269 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleManipulating Light Duration and Intensity Using LEDs to Enhance Off-Season Yield of Hylocereus polyrhizus in a Tropical Area of Banyuwangi, East Java, IndonesiaKanthi Pangestuning Prapti, Setyono Yudo Tyasmoro et al.This study aimed to examine the effect of light duration and Light Emitting Diode (LED) power on the production of red dragon fruit during the off-season. The experiment was conducted in Bulurejo, Banyuwangi, East Java, Indonesia, from March to June 2024 using a split-plot design. The main plot consisted of LED illumination duration (2, 4, and 6 hours), while the … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 3 Aug 2026 · 962 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Impact of Climate Factors on the Epidemiology and Management of Potato virus YMahabuba Mostafa, Md. Motaher HossainPlant viruses give rise to potential loss to global crop production and have the potential to cause widespread damage. Potato virus Y (PVY) is a plant virus that belongs to the genus Potyvirus and the family Potyviridae and it is considered a major concern, particularly for solanaceous crops such as potatoes. PVY represents the largest cluster of plant viruses, encompassing … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 31 Aug 2024 · 4,758 accessesView PDFCite
Research ArticleOpen accessIn the keywordsLeaf Chlorophyll Fluorescence and Gas Exchange Response to Different Light Levels in Platycerium bifurcatumRuzana-Adibah Mohd Sanusi, Ainuddin Ahmad Nuruddin, Hazandy Abdul HamidProblem Statement: Platycerium bifurcatum (Cav.) C. Chr. is epiphytes which lives in forest canopy and commonly used for its ornamental value. In these environments, they were always exposed to many types of stresses such as high light intensity. Light intensity plays an important role in affecting plant’s physiological performance. Therefore, the purpose of this study was to investigate physiological responses … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 2 · 6 Jun 2011 · 8,981 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAnalytical Study of Signal-to-Noise Ratio for Visible Light Communication by Using Single SourceMohammad Syuhaimi Ab-Rahman, Nurain Izzati Shuhaimi, Luqman Al-Hakim Azizan, Mazen Radhe HassanProblem statement: In this study, optical wireless communication system using visible light is studied for indoor application. Approach: The process started with the calculation on performance of single source white LED where received power, channel DC gain and quality of data transmission (SNR computation) are identified. Through the simulation results, the SNR performance is directly proportional to angle of incident … …Journal of Computer Science, Vol. 8, Issue 1 · 2 Nov 2011 · 7,479 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of Carbon Tax on Agricultural Output, Employment, and Rural Income in Indonesia: Insights from an Energy Input-Output ModelSyahrituah Siregar, Luthfy Fatah, M. Handry Imansyah, SunardiThe agricultural sector in Indonesia is crucial for the national economy, contributing significantly to Gross Domestic Product (GDP) and sustaining the livelihoods of millions in rural areas. In light of increasing global environmental concerns, this study examines the potential impacts of a proposed carbon tax on agricultural production, employment, and rural household income in Indonesia. Utilizing the Miyazawa energy input-output … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 12 Jun 2025 · 3,393 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiogenic Silver Nanoparticles Produced by Bacteria Isolated from University Campus Environment Soil Samples in Ras Al KhaimahPooja Shivappa, Grisilda Vidya Bernhardt, Sheela Haridas, Michael V MagaogaoSilver is observed to be comprised of a huge percentage ofsilver oxide and the utilization of silver and silver salts is in practicesince ancient human civilization. Silver nanoparticles remain to be potentialantifungal, antibacterial, anti-inflammatory, and antiviral agents. Further, itis demonstrated that silver nanoparticles have been involved in arresting thegrowth of several bacterial species thereby reducing their harmful effects.Micro-organisms are being … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 5 Sep 2022 · 5,870 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesign of an Automatic Umbrella Actuated through Water and Temperature SensorsMeher Dev Gudela, Atharv Kulkarni, Abhishek Dhotre, Kshitiz ShrimaliThe aim of this thesis is to make a smart umbrella which can reduce human effort due to its functionality and can target the market due to its unique design, is really important in modern society at risk of rainfall and wind without coverage in place. The purpose of this project is to make such an umbrella that is really … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 29 Sep 2020 · 17,494 accessesView PDFCite
Research ArticleOpen accessIn the abstractWhite Light Generation in Dy3+-Doped Sodium Lead Alumino Borosilicate Glasses for W-LED ApplicationsK. Vijaya Babu, A. Subba Rao, V. Madhuri, K. SureshExcitation and emission spectra of sodium lead alumino borosilicate glass doped with different concentrations of Dy3+ have been reported. The concentration of Dy3+ were varied from 0.5 to 1.5 mol%. As a result of 385 nm excitation wavelength, the luminescence spectra showed three characteristic bands at 482 nm and 575 nm and 665 nm. These absorption bands were attributed to … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 3 Jun 2020 · 6,857 accessesView PDFCite