Articles in this Issue (6 articles)

Articles

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VOLUMETRIC AND THERMODYNAMIC PARAMETERS OF Ɩ-LEUCINE IN ETHANOL+ WATER MIXTURES AT DIFFERENT TEMPERATURES

The   physicochemical   properties of amino acids   in aqueous   solutionsprovide valuable information on solute-solute and solute-solvent interactions [1-6]. These interactions are important in understanding the stability of proteins, and are implicated in several biochemical and...

Reads: 205 Downloads: 85
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ASSESSMENT OF MUCUNA PRURIENS (COW-ITCH) AS A POTENTIAL BIOLOGICAL WEAPON

The potential of Mucuna pruriens as a biological weapon (itch – inducer) was assessed by percolating the dry hairs of the plant and subsequent column chromatographic separation of the extract obtained using n- hexane, ethyl acetate and ethanol as eluents. Human volunteers were used for the...

Reads: 125 Downloads: 72
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BIO-ASSAY OF SELECTED ENDOCRINE DISRUPTIVE CHEMICALS ON OREOCHROMIS MOSSAMBICUS

The toxicity of endocrine disruptive chemicals is a major concern today (Navaraj and Yasmin, 2012). Understanding the toxic range of the most confirmed endocrine disruptive chemical sources is a must. In line of this objective, a static renewal bioassay test conducted to determine the...

Reads: 227 Downloads: 86
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EVALUATION OF EMISSION CHARACTERISTICS ON CI DIESEL ENGINE USING MUTTON TALLOW METHYL ESTER

Nowadays for any country petroleum based fuels have become important for its development. Products derived from crude oil continue to be the major and critical sources of energy for transportation sector all over the world. However, petroleum reserves are non renewable and are depleting...

Reads: 304 Downloads: 84
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TRANSMISSION WEIGHT & EFFICIENCY OPTIMIZATION IN OFF ROAD VEHICLE (TRACTOR GEARBOX)

Present Transmission in off road vehicle such as Tractor consist of Following measure parts Spur or helical gears, Shafts, Housing to Support gear box and to store Lubricants, bearing, oil seal, lubricants. In today’s scenario fuel efficiency is prime importance; Transmission plays a vital...

Reads: 190 Downloads: 57
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ACCESS AND EQUITY PROBLEMS OF URBAN WATER SUPPLY IN MEKELLE CITY

One of the millennium development goals by 2015 is to decrease the population who have no access to both quality and quality for safe drinking water and sanitation by half.  The aim of this study is to investigate the existing water supply and sanitation service provision, its access and...

Reads: 249 Downloads: 26
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