[ad_1] ABSTRACT The raw mineral used world-wide in the production of plaster of Paris is gypsum. This is available in Nigeria. Constant importation of plaster of Paris constitutes a drain on national economy and an…
Read More[ad_1] CHAPTER ONE 1.0 INTRODUCTION 1.1 Medicinal Plants Over the centuries humans have relied on plants for basic needs such as food, clothing, and shelter, all produced or manufactured from plant matrices (leaves, woods, fibers) and storage…
Read More[ad_1] ABSTRACT The presence of heavy metals in the environment constitutes a potential source of both soil and groundwater pollution which is a major environmental concern worldwide. The retention of cadmium and lead by selected…
Read More[ad_1] CHAPTER ONE INTRODUCTION1.1 Background of the StudyPlants are important in our everyday existence. They provide our foods, producethe oxygen we breathe, and serve as raw materials for many industrial products such asclothes, foot wears…
Read More[ad_1] ABSTRACT Ten representative soil samples were collected along major gutters within Nkpormetropolis. The soil samples were digested using mixtures of HF and aqua regiain ratio1:1. The heavy metals contents of the digested soil samples…
Read More[ad_1] CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY Water pollution is any form of damage to the physical, chemical and biological characteristics of water which then affect the quality and suitability for any designated…
Read More[ad_1] ABSTRACT A number of five different samples of baby foods were analysedusing an Atomic Absorption Spectromerfor the presence of Cr, Cd, Cu, Pb, and As. All the results were compared with the data from…
Read More[ad_1] ABSTRACT Water samples from ground water and some rivers from Owerri Local Government Area of Imo state Nigeria, were investigated for contaminants and heavy metals. The results obtained showed that in the month of…
Read More[ad_1] ABSTRACT Synthesis of twelve O-arylated diazabenzo[a]phenoxazine-5-one and itscarbocyclic analogue is reported in 46 – 99 % yields. The intermediateswere prepared by anhydrous base catalyzed reaction of 2,3-dichloro-1,4-naphthoquinone with 4,5-diamino-6-hydroxyl-2-mercaptopyrimidine and 2-aminophenol. The O-arylation…
Read More[ad_1] ABSTRACT Yusuf Otaru Sadiq, Liquid Fuel Burninq SystemFor Ceramic Finding, Master of Arts, Industrial Design,September, 1990. 78 pages, 4 plates, 10 figures, 26references, 5 appendices.This study is concerned with designing calibratingand operating a liquid…
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