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Vol. 12, Issue 1, January 2017

Vol. 12, Issue 1, January 2017

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First-Principles Study of Structural, Electronic and Optical Properties of Lead-Free Organic Inorganic Tin Halide Perovskites for Photovoltaic Applications

Shalauddin (Daffodil International University, 17-01-01)

Promising candidates in this respect are organometal perovskites ABX3, which have been intensely investigated during the last years. In this work, we have calculated the geometry optimization, band structure, optical ...
A University Examination Web Application Based on Linear-Sequential Life Cycle Model

Bello, Ridwan Oluwaseun; Olugbebi, Muyiwa; Babatunde, Abdulrauph Olanrewaju; Bello, Bashir Omolaran; Bello, Shakirat Iyabo (Daffodil International University, 2017-05-20)

E-examination application has been used as communication and information remedy to the paper-related examination approach. The application is efficient, time-saving and resourceful. The E-examination is designed to improve ...
Determination Of Rock Discontinuity For Prediction of Blasting Performances Using Quantitative and Qualitative Parametero

Alaba, O.C.; Adeniyi, T.O.; Agbalajobi, S.A. (Daffodil International University, 2017-01-01)

The study assesses quantitative and qualitative parameters of rock discontinuity in some selected quarries in Ekiti and Ondo state for prediction of blasting performances. Scanline method of discontinuity measurement was ...
Profitability of Granite Quarry Operation in Akure South Local Government Area of Ondo State, Nigeria

Alaba, O.C.; Agbalajobi, S.A (Daffodil International University, 2017-01-01)

The study assesses the economic profitability of granite aggregates production using Akure South Local Government Area of Ondo State, Nigeria as a case study. Three quarries were selected within the northern, southern and ...
On Nyorrauf Transformation Algorithm of Flight Crew Scheduling Problems

Kamilu, Rauf; Ngutor, Nyor; Olorunju, Omolehin Joseph; Adebayo, Owolabi Abiodun (Daffodil International University, 2017-01-01)

In this work, we applied NyorRauf Transformation Algorithm to a flight crew scheduling problem to assess its impact on crew scheduling models. The result yielded a solution that is implementable by airlines. It ...
Developed a Calibration Method in Gamma Ray Spectrometry For Environmental Samples

Banik, Subrata (Daffodil International University, 2017-01-01)

In gamma ray spectrometry, a rigorous determination of radionuclide concentration for voluminous samples depends mostly on the proper efficiency calibration. The detection efficiency may differ due to sample density, sample ...
Finite Difference Solution of Unsteady Free Convection Heat and Mass Transfer Flow Past a Vertical Plate

Arifuzzaman, Md.; Mondal, Rabindra Nath (Daffodil International University, 2017-04-04)

An analysis is performed numerically to study the unsteady free convection heat and mass transfer flow past a semi-infinite vertical flat plate by using finite difference method. First, thermal boundary layer equations ...
Ecological Impact of Effluents Discharged After Dyeing Cotton Knit Fabric With Reactive Dyes

Swati, Sushama Saha; Mozumder, Sumon; Majumder, S.M.M.H. (Daffodil International University, 2017-05-01)

This study mainly refers to investigate the environmental impact of textile effluents discharged after dyeing cotton knit fabric with eight different reactive shades. By this work it was possible to evaluate the influence ...
Re- Innovation of Home-Décor: Effect of Process Parameters on Designing and Development of Computer Assisted Embroidered Cushion Covers

Khanna, Shelly; Kaur, Amandeep (Daffodil International University, 2017-03-27)

The computerized embroidery process was investigated for the process variables as fabric type, motif parameters and embroidery thread, with their impact on the quality of the embroidered articles thus produced. Four sets ...
Effect of Different Block Cipher Modes of Operation for Secured Data Transmission in Convolutional Encoded Dwt Based Mimo Mc-Cdma System

Shams, Rifat Ara (Daffodil International University, 2017-06-26)

In this proposed model, performance of different block cipher Modes of operation over ZF channel equalization technique and BPSK modulation scheme in DWT based MIMO Multi-Carrier Code Division Multiple Access (MC-CDMA) ...
Empirical Study of Cyclomatic Complexity and Interface Complexity of Evolving Open Source Systems

Michael A, Olatunji; Oladele, Rufus O.; Bajeh, Amos O (Daffodil International University, 2017-01-01)

This paper aims at investigating the validity of Lehman's Law of Increasing Complexity. Two metrics namely cyclomatic complexity and interface complexity were defined to capture increasing complexity. The goal was to ...

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