Browsing 09th Science Symposium - 2013 by Title

Browsing 09th Science Symposium - 2013 by Title

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  • 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 ...
  • Antibacterial activity of different parts of Pongamia glabra (Pungu) 
    Sathiyaseelan, Vivian; Niranjan, Kularajany (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Different parts of Pongamia pinnata {glabra) are used to treat various kinds of skin diseases by the traditional doctors such as healing wounds, eczema and other skin diseases. This study was carried out to see the effect ...
  • 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 ...
  • Checklist of Siganids from the Jaffna lagoon, Sri Lanka 
    Tharmine, N.; Sivashanthini, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Jaffna lagoon in Northern Province of Sri Lanka is an important fishing area which also harbours high marine biodiversity. Members of the family Siganidae are commercially and economically important species among mangroves ...
  • 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 ...
  • 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 ...
  • Content 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
  • Cover page 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
  • Design and construction of an Anemometer with a Wind Vane 
    Udayani, M.K.S.; Ranatunga, E.M.; Mahanama, G.D.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    An Anemometer is a device for measuring wind speed and is a common instrument used at weather stations. Weather stations such as Meteorology department need to measure both wind speed and the wind dkection for making ...
  • Details 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
  • Effect of CdTe layer thickness on the properties of CdS/CdTe solar cells 
    Mahanama, G.D.K.; Ravirajan, P.; Colegrove, E.; Dissanayake, M.A.K.L.; Dhere, R.; Sivananthan, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Cadmium telluride (CdTe) is one of the leading materials fabricating low cost and high efficiency solar cells. In this work, a conventional structure of cadmium telluride solar cells was investigated and solar cell ...
  • Effect of fertilizer on agronomic characters and yield in forty traditional rice cultivars in Sri Lanka 
    Amarasinghe, U.G.S.; Ranawake, A.L.; Senanayake, S.G.J.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Traditional rice gene pool in Sri Lanka consists of various biotic and abiotic stress tolerant cultivars. Some of the traditional rice cultivars have been studied in systematic way to understand their ability to withstand ...
  • 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 ...
  • The efficacy of tea extracts in inhibition of two strains of Staphylococcus aureus, and a preliminary phytochemical analysis 
    Samanmalee, E.W.Sewwandi; Abeysinghe, P.D.; Pathirana, R.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Tea is a hot water infusion of the leaves from the Camellia sinensis. It is the most widely consumed drink worldwide. There are many different types of tea and among the most common types are black tea and green tea. In ...
  • 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 ...
  • 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 ...
  • Gill and Liver histological alterations in juvenile Oreochromis niloticus exposed to contaminated sediment from a fisheries harbour 
    Gunawickrama, S.H.N.P.; Hettiarachchi, D.D.; Gunawickrama, K.B.Suneetha (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Histo-pathological biomarkers are widely used to elucidate potential toxicological impact of contaminated sediments on organisms, including fish. A controlled laboratory experiment of sediment toxicity was carried out ...
  • Growth performance of Wedelia trilobata in Matara District and its competition and allelopathic effect on Axonopus compressus 
    Dissanayaka, N.P.; Lakmini, T.G.I.; Masakorala, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2013-01-09)
    Invasive alien plants have caused extensive economic and ecological damages throughout the world. Many coconut cultivated lands which dominated with grasses in Southern Sri Lanka have been invaded by recently introduced ...
  • 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 ...

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