K. Sivapalan

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Visual and auditory simple reaction times were measured in Sri Lankan young adults to see the effect of dual-tasking on reaction time. Reaction times were measured using a reaction time program in a computer. Subjects responded to stimuli by pressing the spacebar with their dominant index finger. Visual and auditory simple reaction times (ms) in males (mean(More)
A greenhouse experiment was conducted to examine the comparative effects of phenolrich and phenol-poor plant residues after prolonged decomposition, on the urease activity of an acid soil. Addition of organic residues increased soil urease activity over that of control; but soils amended with phenol-rich residues had a urease activity which was about 50%(More)
OBJECTIVES To establish reference norms of lung function parameters for healthy Sri Lankan Tamil young adults. DESIGN AND SETTING Cross sectional study of Tamil students at the Faculty of Medicine, Jaffna. MEASUREMENTS Healthy non smoking students of Sri Lankan Tamil ethnic group were enrolled. Age, height, weight, BMI and spirometric measurements(More)
When a hot aqueous extract of black tea cools down, a colloidal complex (tea cream) is formed, which poses technological problems in industrial processes e.g. manufacture of instant tea and tea cordials. Removal of 'tea cream' by centrifugation leaves the residual liquor stripped to a great extent of the desirable characteristics of tea. The studies on the(More)
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