Browsing 09th Science Symposium - 2013 by Issue Date

Browsing 09th Science Symposium - 2013 by Issue Date

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  • Three-dimensional structural model of rRNA (guanine-N (2)- ) - methyltransferase by homology modeling 
    Godakumbura, K.K.D.T.D.; Ubhayasekera, W.; Gangabadage, C.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The biological function of a protein is largely determined by its threedimensional structure. However, to date only -16% of protein threedimensional structures, from existing protein sequences, «have been deposited in ...
  • Recolonization of anuran amphibians in the Knuckles Mountain Forest Range in Sri Lanka: A success story 
    Weerawardhena, Senarathge R.; Russell, Anthony P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The vast majority of the virgin forest in the Central Region in Sri Lanka, including that in the Knuckles Mountain Forest Range (KMFR), has been cleared for agricultural purposes. As a result of these uncontrolled ...
  • Variability of noise levels at the main bus stand at Matara, Sri Lanka: Preliminary results 
    Sethunga, S.M.N.; Bodhika, J.A.P.; Dharmaratna, W.G.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    standardized B&K hand held Analyzer type-2250. A-weighted average sound pressure level, LAeq, and C-weighted peaks sound pressure level, Lcpeak, were measured at four locations inside the bus stand where the traffic volume ...
  • A study on the effect of some factors on rooting and plantlet regeneration of Chirita zeylanica and C. walkeri leaf cuttings 
    Welmillage, S.U.; Dissanayake, N.P.; Rubasinghe, M.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Chirita zeylanica and Chirita walkeri (Gesneriaceae) are endemic wild flowering plant species found in Sri Lanka having an exploitation potential within commercial floriculture. Both species can be propagated by seedlings, ...
  • Effect of submerged and exposed aeration on dissolved oxygen in soaking water and germination of paddy grains 
    Kannan, N.; Dharmasena, D.A.N.; Mannapperuma, J.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Rice is the staple food grain in Sri Lanka and therefore 34% of the total cultivated land is under paddy. About 70% of people in Sri Lanka consume parboiled rice and the cold water soaking in parboiling process utilizes about ...
  • Monthly changes in gonad, muscle and liver lipid of female Scomberoides lysan from Northern waters of Sri Lanka 
    Sutharshiny, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The present study was carried out to assess the monthly fluctuation of lipid content in gonad, muscle and liver tissues of Scomberoides lyan. Monthly fish samples of 442 adult female fish captured from the northern waters ...
  • Consumption of Cow Milk and Goat Milk: A study among 1AB School A/L Students in Jaffna Municipal Council Area 
    Guberan, G.; Sarmini, N.; Silva, K.F.S.T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    This paper presents the investigation on availability, consumption pattern, and factors affecting the consumption of cow milk and goat milk among A/L students of 1AB schools in Jaffna Municipal Area. From each school more ...
  • Exploring geographic and age variation in cancer incidence in Sri Lanka 
    Kumarapathirana, K.P.S.D.; Guruge, D.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Cancer is worldwide recognized as an uncontrollable, incurable and fatal disease, caused by the spread of abnormal cells. The main objective of this study which has been conducted as a collaborative research with ...
  • Classification of Candida Cells with Morphological Identification 
    Hameed, Pathima N.; Yapa, Roshan D.; Panagoda, Gehan J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Candida causes fungal infections in human and animals. Since a large number of Candida cells can be found in one sample, manual quantification and classification has become a tedious task for technicians. Moreover, it ...
  • An automated, low cost device for feeding grains into a grinding mill 
    Senani, H.W.L.; Ranatunga, E.M.; Yapa, K.K.A.S.; Bogahawaththa, U.K.L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    A simple automated device has been constructed to feed grains into a regular manually fed grinding mill. It is capable of feeding grains with desirable constant rates according to the size and type of grains as well as ...
  • A case study of frictional damping of a physical pendulum 
    Rajapakshe, R.T.N.; Jayathilaka, K.P.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The harmonic motion is a prominent motion in nature. Pendulums are made for demonstrating harmonic oscillations and they are applied in various physical systems. Damping of a pendulum with time is due to frictional forces ...
  • Risk factors of the childhood asthma in the Colombo Municipal Council area: Bayesian approach on logistic regression model 
    Prasangika, K.D.; Jayasekara, L.A.L.W.; Piyathilake, I.T.S.; Samarasinghe, A.I.P.; Fonseka, P.H. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Asthma is one of the most common chronic diseases in the child-hood in both developing and developed countries. The objective of this study was to examine the relationship between the childhood asthma and the risk ...
  • Estimation of growth parameters for tropical Scomberoides lysan (Carangidae) 
    Thulasitha, W.S.; Sivashanthini, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The present study was carried out to understand the growth parameters of the tropical double spotted queen fish, Scomberoides lysan. Growth parameters of S. lysan such as asymptotic length, growth coefficient and age ...
  • Analyzing persistence of life insurance policy using survival model 
    Hasanthika, N.H.E.; Jayasekara, L.A.L.W.; Gunnathilake, B.B.G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    The objective of this study is to identify the risk factors those caused for increasing the persistence of life insurance policy, based on one of the wellknown insurance company in Matara. In this study, the life ...
  • Information geometry of mean-field approximation for third-order classical and quantum Boltzmann machines 
    Yapage, N.; Rathnayake, K.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    We apply the concepts of information geometry to study the mean-field approximation for a general class of quantum statistical models namely the third-order quantum Boltzmann machines (QBMs). The states we consider are ...
  • Wireless Multiple Choice Question/Answer evaluation system for classrooms 
    Vitharana, V.H.P.; Abeywickrama, S.S.; Dharmarathna, W.G.D.; Yapa, K.K.A.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Multiple Choice Questions (MCQs) have become a routine question answering method to assess student readiness for lectures in aedassroom. The task of developing a wireless system to do such a testing procedure has been ...
  • Hybrid modifications of Bacterial Foraging Optimization: A Survey 
    Kumari, D.W.C.P.; Ranasinghe, D.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Other than using traditional methods, Meta-heuristics are very popular in solving complex and intricate problems. Among the meta-heuristics, Bacterial Foraging Optimization is a newly introduced nature inspired algorithm ...
  • Cover page 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
  • Content 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
  • Details 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)

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