DESIGN AND CONSTRUCTION OF A MICRO CONTROLLER BASED AUTOMATIC FIRE EXTINGUISHING SYSTEM ABSTRACT Despite many buildings have fire fighting systems installed in them; many people are still losing …
MEASUREMENT OF THE LEVEL OF RADIATION EMISSION FROM COMMON ELECTRIC LIGHT SOURCES
CHAPTER ONE: BACKGROUND OF STUDY INTRODUCTION Energy emitted from a source is generally referred to as radiation. Examples include heat or light from the sun, microwaves from an oven, X-rays …
CONSTRUCTION OF A RADIO TELESCOPE
LIST OF TABLESTable 1: Different gains for different antennas 17 LIST OF FIGURESFigure 1: A RADIO TELESCOPE 2Figure 2: GOBER REBER’S FIRST RADIO TELESCOPE 3Figure 3: PICTORIAL REPRESENTATION OF THE …
THERMAL PROPERTIES OF SOME SELECTED MATERIALS USED AS CEILING IN BUILDING
1.1 BACKGROUND OF THE STUDY Ceiling materials are overhead interior surfaces that can cover the upper limits of the room. They are not generally considered as structural element but finished …
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MEASUREMENT AND ASSESSMENT OF INDOOR AND OUTDOOR AMBIENT RADIATION LEVELS AT THE TAKE-OFF SITE
Background of the Study Radiation is any form of energy propagated as rays, waves, or stream of particles which could be ionizing and non-ionizing. Ionizing radiation produces ionization when it …
ASSESSMENT OF RADON-222 IN SOME SELECTED WATER SOURCES
1.1 Background of the study Water is the major constituent of the Earth’s streams, lakes and oceans and the fluid of most living organisms. It covers about 71% of the Earth surface. It is vital …
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THE DESIGN AND CONSTRUCTION OF THE HEARING AID DEVICE
1.1 BACKGROUND TO THE STUDY Hearing is one of the five senses along with vision, taste, smell and touch. The ear serves as a receiver of incoming sounds. Although the ear receives sound and is the …
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POSSIBLE EFFECTS OF ELECTROMAGNETIC FIELDS (EMF) ON HUMAN HEALTH
ABSTRACT \ The Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR) has updated the previous opinion on "Possible effects of Electromagnetic Fields (EMF), Radio Frequency …
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APPLICATION OF GEOELECTRICAL RESISTIVITY IMAGING TO INVESTIGATE GROUNDWATER POTENTIAL
ABSTRACT Geoelectrical resistivity imaging using both 2D and Vertical Electrical Sounding (1D) method was carried out in Atan , Ado/Odo Ota Local Government, Ogun State ,Nigeria using the PAS …
STUDIES OF PROPAGATION IMPAIRMENTS FOR FIXED SATELLITE COMMUNICATION LINKS AT THE MICROWAVE FREQUENCIES IN NIGERIA
ABSTRACT The study investigates the effect of propagation impairments such as rain, cloud, gases and tropospheric scintillation on fixed satellite communication link on earth-space path for …
DATABASE EMISSION OF CARBON IV OXIDE (CO2) IN NIGERIA
CHAPTER ONE 1.0 INTRODUCTION During the last decade worldwide concern with global climate has highlighted the challenge faced by both industrialized and developing countries in maintaining a …
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ANALYSIS OF THE STRUCTURE AND COMPONENTS OF JOSEPH RAZ’S IDEA OF NORMATIVE SYSTEMS
1.1 Background of the Study Norms and normative systems vary in their structure and components. This is simply because of the variations in postulations about how norms are structured, what …
