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Potential Environmental Impacts of Uncomposted Organic Materials, Composts and Manures - Juniper Publishers

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Juniper Publishers - Open Access Journal of Engineering Technology Abstract Soil health is central to organic farming and organic inputs are applied to improve it so as to get higher economic yields on sustainable basis. A lot of work has been done around the world to support this fact. But there are environmental concerns related to the use of inputs which include the losses of nutrients from the farming systems to the open ecosystems causing damage to the water bodies including underground water contamination. Gaseous nitrogen losses tend to be lower from composted than fresh organic materials. There is a need to investigate trade-offs between different gaseous and leaching forms of pollutants following compost application. The environmental impacts of organic materials including uncomposted and composted manures applied to the soil to get higher production and productive of crops, have not been studied by many. This review paper is an attempt to summarize th...
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Hydro-Morphometric Modeling for Flood Hazard Vulnerability Assessment of Old Brahmaputra River Basin in Bangladesh - Juniper Publishers

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Juniper Publishers - Open Access Journal of Engineering Technology Abstract The present research introduces hydro-morphometric modeling to assess flood hazard vulnerability in old Brahmaputra River Basin in Bangladesh. Hydro-morphometric modeling is a spatial analysis in a GIS environment that has been applied for the estimation of flood hazard vulnerability. In this study the developed methodology processes information of seven parameters namely basin, flow accumulation, flow direction, stream order, stream length, stream density and drainage density. By applying Horton's and Strahler's formula of stream order, stream density and drainage density of old Brahmaputra River Basin are calculated. According to Horton's stream density and drainage density reflects the runoff and discharge status of a basin which also revealed that basin having high stream density and drainage density is most vulnerable to flooding. The old Brahmaputra River Basin subdivide...
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Acoustic Shadow Moiré A Solution for 3D Biomedical Imaging - Juniper Publishers

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Juniper Publishers - Open Access Journal of Engineering Technology Abstract This article introduces a new 3D imaging technique for biomedical applications. The new technique uses shadow Moiré principles to produce 3D acoustic imaging. Optical shadow Moiré principles have been used in many industrial applications, but the acoustic counterpart has not been seriously investigated. The feasibility of using acoustic shadow Moiré in 3D imaging have been investigated by the author's research group. This review argues that using acoustic shadow Moiré mechanism can provide surface and volumetric 3D biomedical imaging technology with the safety and resolution needed for medical radiology. Keywords: : Shadow Moiré; Acoustic shadow Moiré; 3D imaging; Acoustic imaging; Medical diagnosis Introduction The Moiré effect is a result of the interference between two repetitive structures or images; e.g. grids, gratings, and their shadows. The interference between the ...
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