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zant worldpress

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Date of Birth: 25/02/1979


Phone: 01XXX- XXX-XXX

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All Publications by zant worldpress

Investigation of Some Selected Water Quality Parameters of the Buriganga River

A study was conducted to investigate the impact of the wastewater received from numerous sources along the Buriganga river through present state of water quality and pollution level. The water samples were collected from five different points namely Wise Ghat, Badamtoli Ghat, Babubazar Ghat, Lalkuthi Ghat and Postogola Ghat during monsoon from May to September in 2016 and analyzed for various physicochemical parameters. The observed values of temperature, pH, EC, DO, BOD, TDS and turbidity were spatially...

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Predicting Highway Crash Frequency: A Review of Statistical Regression Models

Mitigating the losses of human lives owing to highway crashes needs better insights to the roadway locations as well as the performance of various safety measures. All these require the analysis of existing crash data for various roadway segments, both deemed “safe” and “unsafe” with different safety measures installed. Statistical models project the safety standards and their suitability into the future. Various tools and modeling techniques or regression models, primarily based on Poisson...

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Level of Gaseous Pollutants, Particulate Matters and Lead: The Case of Roof Top of Dhaka Buildings

The aim of the study was to find out the level of pollutants at the roof of a seven-storied building and the values were compared with ground level pollutants. The gaseous pollutants (SO2, NO2 and O3), particulate matter (2.5 and 10 micron) and lead in SPM were determined by UV-visible, AAS spectrophotometer and gravimetric methods respectively. For all the criteria pollutants, the concentration of pollutant was lower than ground level at Kallyanpur, Dhaka and also lowers than Bangladesh acceptable...

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A New Failure Mode and Effects Analysis (NFMEA) Approach for Supplier Selection in Risk Environment

Supplier selection is a multi-criteria problem which involves both qualitative and quantitative factors. It is a complex, multi-person and group decision making process that can be improved by systematic and logical approaches to assess priorities based on the inputs of several people from different functional areas within the company. In this research work, the authors have shown how fuzzy analytic hierarchy process (F-AHP) can be effectively used with failure mode and effects analysis (FMEA) approach...

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Initial Permeability Spectra of Mn0.20Zn0.50Cu0.30Fe2O4 Synthesized by Combustion Method

Frequency dependence initial permeability spectra of Mn0.20Zn0.50Cu0.30Fe2O4 synthesized by auto combustion method have been investigated. The X-ray diffraction patterns of this composition indicated that the sample possesses single phase cubic spinel structure. Sintering temperature (Ts) significantly affect on densification, grain growth and initial permeability of the samples. The grain size (D), bulk density ( B  ), initial permeability (μ/ i) increases with increase in sintering temperature....

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Development of an Automatic Solar Heat Tracking Parabolic Heliostat Panel System

Solar power is the flow of energy from the sun. It is one of the effective forms of renewable energy. The primary form of solar energy are heat and heat. Solar cells, referred to as photovoltaic cells, are devices or banks of devices that use the photovoltaic effect of semiconductors to produce electricity from sunlight. The solar tracking system is generally used in drastically changing environments in the tropical countries like Bangladesh. Due to this types of environment, solar panel doesn’t...

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Multi Product Multi Period Aggregate Production Planning in an Uncertain Environment

In this paper a new approach is proposed to handle the uncertain input value in the aggregate production planning model.Generally aggregate production planning models have been developed by considering certain value of each parameter over a planning horizon. But in real life these values are not remain certain over a planning horizon rather uncertain.The main objective of this proposed appraoch is to find out the minimum total aggregate production planning cost considering uncertain input value....

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