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A 4D spacetime embedded in a 5D pseudo-Euclidean space describing interior of compact stars
(© 2017, Springer New York LLC, 2017-02-01)The present paper provides a new model of compact stars satisfying the Karmarkar condition. The model is obtained by assuming a new type of metric potential for gr r from the condition of embedding class I. The model ... -
Accurate numerical simulation of the far-field tsunami caused by the 2011 Tohoku earthquake, including the effects of Boussinesq dispersion, seawater density stratification, elastic loading, and gravitational potential change
(© 2017 Elsevier Ltd, 2017-03-01)In this study, we considered the accurate calculation of far-field tsunami waveforms by using the shallow water equations and accounting for the effects of Boussinesq dispersion, seawater density stratification, elastic ... -
A study on the microbiological status of mineral drinking water
(© 2017 Bentham Science Publishers B.V., 2017-04-01)Introduction: Water-borne diseases constitute a major health burden in Bangladesh. The objective of this study was to assess the overall quality of mineral water samples that obtained from different shops of Dhaka city. ... -
Protection against shigellosis caused by shigella dysenteriae serotype 4 in Guinea pigs using escherichia albertii dm104 as a live vaccine candidate strain
(© 2017 Akadémiai Kiadó, 2017-06)Recently, we reported the induction of protective immunity by environmental Escherichia albertii strain DM104 against Shigella dysenteriae in Guinea pig model. In this study, we assessed three different immunization routes, ... -
Calculation of the bandwidth of a graded-index optical fiber using experimentally measured quantities
(© 2007 Dhaka University Journal of Science, 2007-01) -
Effect of Fluctuating surface heat and mass flux on natural convection flow along a vertical flat plate
(© 2015 Hindawi Publishing Corporation, 2015)An investigation has been carried on double diffusive effect on boundary layer flow due to small amplitude oscillation in surface heat and mass flux. Extensive parametric simulations were performed in order to elucidate ... -
Unsteady laminar mixed convection boundary layer flow near a vertical wedge due to oscillations in the free-stream and surface temperature
(© 2016 De Gruyter Open Ltd., 2016)The unsteady laminar boundary layer characteristics of mixed convection flow past a vertical wedge have been investigated numerically. The free-stream velocity and surface temperature are assumed to be oscillating in the ... -
In vitro shoot micro propagation of medicinal applications and ornamental value of Cestrum nocturnum L.
(© 2016 Indian Society for Education and Environment, 2016)Background/Objectives: Cestrum nocturnum L. a night Blooming jasmine belongs to Solanaceae family widely circulated all over tropical as well as subtropical areas of the World. It is mainly popular for ornamental fragrant ... -
Designing novel antibacterials: application of omics science
(© 2013 AVES Ibrahim Kara, 2013)Antibacterials are agents that act against pernicious bacterial pathogens by killing or inactivating them. At present, designing antibacterials have been assisted greatly by omics sciences-genomics, proteomics, metabolomics ... -
Kaposi's sarcoma: a computational approach through protein-protein interaction and gene regulatory networks analysis
(© 2012 Springer Science+Business Media New York, 2013)Interactomic data for Kaposi's Sarcoma Associated Herpes virus (KSHV) - the causative agent of vascular origin tumor called Kaposi's sarcoma - is relatively modest to date. The objective of this study was to assign functions ... -
Combination of community-based vulnerability and adaptation to storm surges in coastal regions of Bangladesh
(© 2014 World Scientific Publishing Co. Pte Ltd, 2014)Bangladesh has been identified as one of the countries most vulnerable to climate change and rising sea-level. This is because it is located at the northern end of the funnel-shaped Bay of Bengal, and as a consequence it ... -
Power allocation for the network coded cognitive cooperative network
(© 2011 IEEE, 2011)Demand for higher data rate wireless applications has led to scarcity in radio frequency spectrum. This article focuses the power allocation for the network coded cognitive cooperative network (NCCCN). Analog network coded ... -
Neuro-fuzzy-based hand-off and opportunistic spectrum access for cognitive cooperative network
(© 2012 Inderscience Enterprises, 2012-04)This paper investigates neuro-fuzzy (NF)-based opportunistic spectrum access and spectrum hand-off (HO) for a cognitive cooperative network (CCN). The main aim is to increase the average throughput of the CCN. Secondary ... -
Evaluation of three immunological tests for the diagnosis of pulmonary tuberculosis in a rural endemic area of Bangladesh
(© 2014 Elsevier Ltd, 2014-06)Objective: Bangladesh is a high tuberculosis burden country. It is always challenging to diagnose active pulmonary tuberculosis (PTB) cases in rural areas where the setting up of conventional microscopic and cultural ... -
Isolation of yeasts from raisins and Palm-juice and ethanol production in molasses medium
(© 2016 Indian Society for Education and Environment, 2016)The alternative fuels are expected to satisfy the progressive demand for energy on the wake of the negative effects of fossil fuel on the atmosphere and resultant universal warming. In this study two ethanol fermenting ... -
A class of relativistic anisotropic charged stellar models in isotropic coordinates
(© 2014, Springer Science+Business Media Dordrecht., 2014)In this present paper, we present a class of static, spherically symmetric charged anisotropic fluid models of super dense stars in isotropic coordinates by considering a particular type of metric potential, a specific ... -
A class of super dense stars models using charged analogues of Hajj-Boutros type relativistic fluid solutions
(© 2014, Springer Science+Business Media New York, 2014-10)We present a spherically symmetric solution of the general relativistic field equations in isotropic coordinates for perfect charged fluid, compatible with a super dense star modeling. The solution is well behaved for all ... -
Anisotropic charged stellar models in Generalized Tolman IV spacetime
(© 2015, Società Italiana di Fisica and Springer-Verlag Berlin Heidelberg, 2015)With the presence of electric charge and pressure anisotropy some anisotropic stellar models have been developed. An algorithm recently presented by Herrera et al. (Phys. Rev. D 77, 027502 (2008)) to generate static ... -
Growing electrostatic modes in the isothermal pair plasma of the pulsar magnetosphere
(© 2011 Springer Science+Business Media B.V., 2012)It is shown that a strongly magnetized isothermal pair plasma near the surface of a pulsar supports low-frequency (in comparison to electron cyclotron frequency) toroidal electrostatic plasma modes in the equatorial region. ... -
Optical solitons in negative-index meta-materials
(© 2013 IEEE, 2013)The nonlinear propagation of gigahertz electromagnetic wave propagation in the resonant region of a negative index meta-material is investigated. It is found that the negative refractive index is maintained within a narrow ...