"Where African Research Finds Its Voice"

3201
projects

DETERMINATION OF AN IMPROVED SPECTRUM SENSING THRESHOLD FOR COGNITIVE RADIO USING SMOOTHED PSEUDO WIGNER-VILLE DISTRIBUTION

ABSTRACT

Cognitive radio (CR) has been suggested as the solution to spectrum scarcity due to the fixed allocation employed worldwide by regulatory bodies.A secondary usercan opportunistically access the licensed frequency bands without c...

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DETERMINATION OF ACTIVE SWEET COMPONENTS OF COMMON ARTIFICIAL SWEETENERS THAT ARE USED AS REPLACEMENT FOR SUGAR

ABSTRACT

This research investigated how the sweetness of sugar substitute compares to the sweetness of sugar. In this research different percentage solution of sugar, artificial sweetener and natural sweetener (10%, 1%, 0.1% and 0.01%) w...

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DETERMINATION OF CALCIUM AND PHOSPHORUS IN STAPLE FOODS IN RICKETS PREVALENT AREAS IN KADUNA STATE.

ABSTRACT

The beginning of the 20th century witnessed the epidemic of nutritional rickets among children in many countries of Asia, North America, Northern Europe and Africa. It was observed that a low dietary intake of calcium among rura...

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DETERMINATION OF Cd, Co, Cu, AND Fe IN WATER AND SOME VEGETABLE CROPS CULTIVATED AROUND GALMA AND KUBANNI RIVERS, ZARIA

 

ABSTRACT

The level of some trace elements including cadmium, cobalt, copper and iron in water and vegetable samples of cabbage (Brassica oleracea var capitata); lettuce (lactuca sativa L); maize (zea mays); okra (Abelmos...

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DETERMINATION OF COMPETENCIES REQUIRED BY TRADE ARTISANS FOR DOMESTIC AND INDUSTRIAL ELECTRICAL INSTALLATIONS IN ENUGU STATE

Background to the Study

The state of the economy and socio-economic well-being of any society is linked to the effectiveness of its education and the competencies of the work force. The effectiveness of any nation's labour force and...

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DETERMINATION OF HUMAN RESOURCE MANAGEMENT PRACTICES OF MANAGERS OF SMALL AND MEDIUM ENTERPRISES IN ANAMBRA STATE

Background to the Study

Small and Medium Scale Enterprises (SMEs) are deemed to be integral to the growth and development of any forward thinking nation. Small and medium enterprises (SME) are seen as agents of economic development and c...

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DETERMINATION OF LEAD (Pb) LEVELS IN SELECTED MINING COMMUNITIES IN ZAMFARA STATE - NIGERIA

ABSTRACT

In 2010, the world’s attention was drawn to Zamfara State, Nigeria following the ‘unprecedented’ death reported (particularly of children) as a result of lead poisoning in the process of small scale gold mining...

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DETERMINATION OF LEAD (Pb) LEVELS IN SELECTED MINING COMMUNITIES IN ZAMFARA STATE - NIGERIA

ABSTRACT

In 2010, the world’s attention was drawn to Zamfara State, Nigeria following the ‘unprecedented’ death reported (particularly of children) as a result of lead poisoning in the process of small scale gold mining...

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DETERMINATION OF LEAD AND CADMIUM IN SOME HERBAL PREPARATIONS SOLD BY HAWKERS IN ZARIA AND ENVIRONS

ABSTRACT

Most people administer herbal preparations of different types without considering their side effects. Six sites were selected for the study based on the frequency of consumption. The areas were Kofar Doka, Danmagaji, Tudunwada,...

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DETERMINATION OF NATURAL RADIOACTIVITY OF SOME SELECTED ECONOMIC MINERALS FROM QUARRY SITES IN IGARRA AREA, EDO STATE, NIGERIA

ABSTRACT

Activity concentrations of radionuclides in rocks and minerals are of vital importance in geosciences and health physics especially that primordial radionuclides constitute the main source of radiation exposure risks externally...

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