International Islamic University, Chittagong

About: International Islamic University, Chittagong is a education organization based out in Chittagong, Bangladesh. It is known for research contribution in the topics: Debye model & Density functional theory. The organization has 1111 authors who have published 1089 publications receiving 7918 citations. The organization is also known as: IIUC.

Various risks and safety analysis to reduce fire in oil refinery plant

Abstract: It is quite hazardous to produce the final product of oil or gas in a petrochemical refinery plant due to its flammable or combustible and explosive materials. Small mistakes can cause massive damage to life, property, pollution, injury, ecosystem, and business by fire. The entire system is challenging to manage. Therefore, fire risk assessment and forecasting are necessary to overcome personal, environmental, and refinery plants' hazard situations. There have been four main threats in any refinery facility: electrical, mechanical, civil, and chemical issues, maximum cases its result burning. This research aimed to study and assess fire risk in the refinery plant by using a multi-stage early warning system and reducing the fire. The fire hazard safety layer technique would be used for our petrochemical process. Some equipment is set in place to forecast the danger and execution before and after it happens. Geographic information systems (GIS), remote sensing (RS) are some techniques for fire incidents tracking. Flame detectors, heat detectors, and gas detectors are used to maintain good contact in the entire risk analyzer portion. Various techniques and monitoring have been proposed to operate the plant efficiently and safely, like controlling, predicting, and pre-warning strategic planning.

An android based security alert system for female

Abstract: In continuously upgrading world, women belief in their self-worth. They have the same participation like men in almost every sector of life. But lives of women have become so vulnerable these days. Security of their lives is one of the burning questions. Everywhere they have to face unwanted incidents. Considering all the incidents towards female, this idea of Bluetooth security device aligned with an android mobile application came in consideration. During crisis, women just to press button from that security device and an automatic message of the victim's location information will be sent to selected numbers through the application. An automated message will also be sent to the nearest police station. Moreover a voice call will be sent to the first number of contact list.

Predicting Factors of Students Dissatisfaction for Retention

Abstract: Education sector became challenging as well as competitive due to the huge availability of institutions worldwide. This increases students drop out at an alarming rate. Most of the dropout is due to dissatisfaction of the students. This paper investigates the reasons of students dissatisfaction from a feedback of a university student using Descriptive Statistics, Logistic Regression Analysis and some data mining techniques such as Naive Bayes, Logistic Regression and Random Forest and found relationship exists between student dissatisfaction and student retention. Our study also found that, a high level of dissatisfaction of the students is mostly due to the cafeteria services and extra-curricular activities. They are moderately dissatisfied due to quality lecture and Lab Facilities. Our analysis has also shown that, overall, students are satisfied, but mostly they do not want to recommend others for this university. On the basis of the result, we then recommended some issues to be fulfilled for student retention.

Is Pharmaceuticals Industry Efficient? Evidence from Dhaka Stock Exchange

Abstract: This study examines the weak form market efficiency of the thirteen listed pharmaceuticals company of Dhaka Stock Exchange (DSE). We exclude the three listed pharmaceuticals company because of their newly enlistment at DSE. The data consists of the daily returns from 1 st January, 2009 to 31 st December, 2013. The returns of all pharmaceuticals companies are not normally distributed. Unit root test, serial correlation test and runs tests are being used for testing weak form efficiency of the individual stocks return. The findings of the runs test is completely rejecting the random walk theory for all thirteen securities whereas the augmented dickey-fuller (ADF) test are showing inverse result with its all three equations suggesting the weak form efficiency of the Pharmaceuticals stock return. The results of the Autocorrelation and Box-Ljung statistics support random walk theory for ten companies and reject it for ACI, Reckitt Benckiser and Pharma Aid. However, from the summery of findings we can agree that the Pharmaceuticals industry of Bangladesh is just becoming weak-form efficient.

Design and Implementation of A Wireless Charging System for Electric Vehicles

Abstract: Wireless power transfer (WPT) using magnetic resonance, the technology which could set human free from the annoying wires. At present different researches have been taken place and are going on to increase the efficiency of the wireless power transfer. Researcher are trying to increase the distance between the transmitter and the receiver with a greater transfer power efficiency. This project implemented WPT innovation to charge the battery of electric vehicle. In this investigation, the distance level between transmitter and receiver circuit has been optimized, and at the same time the different power level at different distances between transmitter and receiver examined. Henceforth, different conditions of current and voltage levels from input to output circuit for delivering power to the battery which is completely took place without using any wire between transmitter circuits of charging station to receiver circuit of the electric vehicle for finding its output efficiency. Finally, its costs and other factors have been discussed to implement this wireless technology among electric vehicles. Several output levels in accordance with its input levels during the charging time has been recorded this empirical findings helps to solve several problems appears in wired technology such as electric shocks, cost, hassles due to wire, charging procedure.