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544 articles for “Sources”
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Review ArticleOpen accessEvery word in the titleEfficiency and Sustainability of Alternative Protein Sources for Livestock Production in Sub-Saharan Africa: A Systematic Review and Meta-AnalysisOlusegun Oyebade Ikusika, Bulo Luvuyo, Jaja Ishmeal FestusSub-Saharan Africa (SSA) faces growing challenges in sustainable livestock production due to high costs and limited availability of conventional protein sources such as soybean meal and fishmeal. This systematic review and meta-analysis evaluated the nutritional efficiency and sustainability of locally available alternative protein sources for livestock feed in SSA. Following PRISMA guidelines, systematic searches were conducted across five databases (PubMed, … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 4 · 19 Feb 2026 · 1,849 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA New Approach of Almost Periodic Lumped Elements Circuits by an Iterative Method Using Auxiliary SourcesMohamed Karim Azizi, Lassaad Latrach, Nathalie Raveu et al.Nowadays, met materials with lumped or distributed elements are emerging and it is necessary to develop new techniques based on the following principles. The approach should be global and have to be formulated according to the existing classic formulations. In fact, the Wave Concept Iterative Process (WCIP) is systematically used in such application. On the other hand, the periodic medium … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 5 Oct 2013 · 6,923 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnnual Concentration Report and Emission Sources Analysis of the Air Pollutants Measured by the Air Quality Monitoring StationP Khaenamkaew, S. Raksawong, K. Wongsorntam et al.Problem statement: Air Quality Monitoring (AQM) station at Kasetsart University, Si Racha Campus, Thailand, was routinely monitor the annual concentrations and analysis the emission sources of the air pollutants in the area since 2007. The level of concentration CO, SO2, NOx and O3 were measured. PM10 concentration was measured by mean of TOEM method. The PM10 and TSP (manifold) filters … …American Journal of Environmental Sciences, Vol. 7, Issue 5 · 1 Oct 2011 · 6,736 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAttributes of Domestic Water Sources in a Rapidly Urbanizing State Capital in a Developing EconomyA. E. OlajuyigbeProblem statement: The efficiency and effectiveness of domestic water sources are often gauged by availability, accessibility and adequacy. This study examined various variables that could be harnessed in measuring these parameters with respect to water supply in Ado-Ekiti, Nigeria. Approach: The purpose of this study is to investigate the various attributes of domestic water sources in Ado-Ekiti, Nigeria. Three residential … …Journal of Social Sciences, Vol. 6, Issue 2 · 30 Jun 2010 · 8,123 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNew Role of Sulfuric Acid In Production of Multicomponent Fertilizers From Renewable SourcesHelena Górecka, Henryk Górecki, Katarzyna Chojnacka et al.The paper discusses the possibility of using renewable sources: slaughter wastes and wood ashes in the production of NPK fertilizers. The content of macronutrients, micronutrients and toxic elements in these materials was reported. In the present work, poultry feathers were used as fertilizer source of nitrogen, animal bones as the source of phosphorus and wood ash as the source of … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 4 · 31 Dec 2007 · 8,378 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIncorporating Multiple Sources into AMTree ProtocolAli M. Al-Sharafi, Mohamed Othman, Md. N. Sulaiman, Shamala SubramaniamAMTree protocol is an active network based protocol that makes sending packets to receivers-after source migration-an efficient process. AMTree protocol was designed and tested for one mobile source sending to the multicast group. In this research we introduce a method that allows more than one mobile source to send to the multicast session. The results show that end-to-end latencies are … …Journal of Computer Science, Vol. 4, Issue 1 · 31 Jan 2008 · 6,873 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of Nitrogen Non-Point Sources in Po River Near TurinGiuseppe Genon, Franco MarcheseThe non-point hydraulic and nitrogen loads in the stretch of Po river upstream and downstream from the city of Turin have been investigated, on the basis of regular data concerning quality and flow rates in the river in different periods of a reference year. The collected data have been organized in terms of hydraulic and mass balances, taking into account … …American Journal of Environmental Sciences, Vol. 3, Issue 3 · 30 Sep 2007 · 6,644 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePollution Characteristics and Sources Analysis of Soil Heavy Metal in Taoyuan Coal Mine of Suzhou CityHaimin SuSoil is one of the most important resources and an important part of ecosystem in the development of human survival. The purposes of this study are to investigate concentration characteristics and sources analysis of heavy metals in Taoyuan coal mine of Suzhou City. 30 soil samples were collected and characterized for metal concentration (Cd, Cr, Cu, Pb, Zn and As), … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 1 · 29 Jan 2022 · 5,922 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEnergy Sources TodayNicolae Petrescu, Florian Ion Tiberiu PetrescuThe paper intends to go through some major energy sources that need to be further developed in order to provide the energy needed for an indefinite period of time. It is proposed that both water and solar energy, as well as wind energy together with nuclear energy, are important, but other modern energy sources capable of generating energy directly or … …Energy Research Journal, Vol. 10, Issue 1 · 21 Aug 2019 · 6,865 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAssessment of Heavy Metals Enrichment and Sources in Different Functional Areas of Sixian CityHaimin Su, Dongsheng Xu, Gao Yang, Peng SunTo investigate soil heavy metal pollution in different functional areas of Sixian City, 48 soil samples were collected in residential, industrial, green, and commercial areas. The concentrations of V, Cr, Zn, Cu, Pb, and as were determined by the geoaccumulation index method and the enrichment factor method, and their pollution levels were evaluated. At the same time, the possible sources … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 1 Aug 2022 · 5,548 accessesView PDFCite