17 research outputs found

    Clean energy generation using groundnut oil mill effluent with microbial fuel-cell

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    Microbial system that converts organic matter to energy is proposed in this paper. An attempt is made, to examine the potential of using groundnut oil mill effluent (GOME) as substrates to Microbial Fuel Cell (MFC). A methodology was developed to obtain a power density in batches by varying the feed rate of continuous flow in the MFC. The results obtained show that GOME produces higher energy per unit area compared to other mixed culture reported in scientific literatures. The minimum and maximum power densities obtained are 160 mW/m2 and 217 mW/m2 at low feed rate of (400 litre/hr) with cell potential of 625 mV and high feed rate of (420 litre /hr) with cell potential 727 mV respectively. Furthermore, the findings of this research work showed that MFC could produce higher power density at continuous flow process mode (160 mW/m2) compared to batch process (54 mW/m2). Thus, this study demonstrates the potential of generating clean energy via GOME, with by-products of carbon dioxide and water.Keywords: Clean energy, Fossil-fuel, Renewable energy, Fuel-cell, Groundnut Oil Mill Effluent (GOME

    The Physics of the B Factories

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    Wideband metamaterial antenna employing SRR loading for WiMAX and WLAN operations

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    A wideband metamaterial antenna employing SRR loading is presented. Two designs were simulated, fabricated and measured. The bandwidth enhancement is achieved by loading SRR resonator onto a conventional monopole antenna. The SRR excited a lower resonance frequency mode which matches with the resonance frequency of the monopole antenna thereby extending the overall impedance bandwidth from 26% to 91%. The antenna has a compact size of 30 × 26 mm2. The peak realized gain and efficiency of 3.2 dB and 76% are obtained respectively. The antenna has potential applications for WLAN and WiMAX operations

    Evidence for Bˉs0→Λc+Λˉπ−\it{\bar{B}_s^{0}} \to \Lambda_c^{+} \bar{\Lambda} \pi^{-}

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    Using 121.4 fb^{-1} of data collected with the Belle detector at the Y(5S) resonance at the KEKB asymmetric-energy e^+e^- collider, we report evidence for the B_s^0 -> Lambda_c^+ Lambda-bar pi^- decay mode with a measured branching fraction (3.6 +- 1.1[stat.] {+0.3 -0.5}[syst.] +- 0.9[Lambda_c^+] +- 0.7[N_{Bs}]) * 10^{-4} and a significance of 4.4 standard deviations. This is the first evidence for a baryonic B_s^0 decay

    The Influence of Vitamin D on Neurodegeneration and Neurological Disorders: A Rationale for its Physio-pathological Actions

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    Three-Dimensional (3-D) Printing Technology Exploited for the Fabrication of Drug Delivery Systems

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    Epigenetic Modification in Macrophages: A Promising Target for Tumor and Inflammation-associated Disease Therapy

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