Browsing RISTCON 2020 by Issue Date

Browsing RISTCON 2020 by Issue Date

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  • Seasonal variation of biodiversity and rock pool water quality in Wellamadama rocky intertidal zone of Matara, Sri Lanka 
    Wickramasinghe, M.P.; Sudarshani, K.A.M.; Wegiriya, H.C.E. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Intertidal zones are considered as transitional zones that are generally occupied by organisms highly adapted for extremely fluctuating environmental conditions. Objective of current study was to determine whether there ...
  • Foraging behaviour of oriental dwarf kingfisher (Ceyx erithaca) in tropical wet evergreen forests of Sabaragamuwa province, Sri Lanka 
    Chandrasiri, P.H.S.P.; Priyadarshana, L.M.; Chandrasiri, P.H.B.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Oriental dwarf kingfisher (Ceyx erithaca) is the smallest kingfisher species in the South Asia. National conservation status of this species is near threatened (NT). The objective of this study was to determine searching ...
  • Synthesis of fatty acid diethanolamides from microalgal biomass 
    Fernando, H.S.S.; Lakmali, W.G.M.; Athukorala, S.N.P.; Jayasundera, K.B.; Yapa, Y.M.A.L.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    The demand for various synthetic chemicals is continuously increasing in the modern world to produce various consumer products. Currently, petroleum sources provide the precursor compounds for most of the synthetic chemicals. ...
  • Knowledge and practice regarding multi-dose eye drop usage among glaucoma patients 
    Rangana Ishara, H.M.; Thuvaragan, S.; Coonghe, P.A.D.; Chandrakumar, S.T.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Glaucoma is one of the leading causes of global irreversible blindness. Majority of the people with glaucoma are treated with eye drops. Good knowledge and practices on eye drop usage is important in glaucoma management. ...
  • Effect of plant phenolics on physicochemical properties of gelatin films 
    Panamgama, L.A.; Perera, S.A.S.P.; Jayasekara, H.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    This study is an experimental investigation of adding liquefied pinus radiata bark extract to gelatin and the development of a new series of biobased polymeric films. A 10 %wt. gelatin filmogenic solution was prepared by ...
  • Development of a method to calculate muscle resistivity of baseball pitchers 
    Herath, H.M.U.K.K.; Weerakkody, P.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Baseball is a famous game in category of bat and ball section among 18 players. Pitcher is one of the most important players in baseball who throws the ball to the catcher from his mound. Pitchers have to improve their ...
  • A classifier ensemble model for music emotion classification 
    Charles, J.; Lekamge, L.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Computational modelling of music-emotion has attracted an increasing attention especially in today’s digital age. Even though the use of conventional machine learning algorithms for music-emotion classification are frequently ...
  • User-friendly mobile-based application for agricultural activities in Sri Lanka 
    Gunawardana, D.A.Y.K.; Walisadeera, A.I.; Madushika, M.K.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Sri Lanka is an agricultural country and 28.4% of the total labor force of the country is engaged with agricultural activities. Technology has impacted on day-to-day activities and the usage of smart phones has made people’s ...
  • Customer churn prediction model in mobile telecommunication using machine learning 
    Chathuranga, L.L.G.; Rathnayaka, R.M.; Arumawadu, H.I.; Chathurangi, K.A.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Customers are the center of all focuses on almost every industry that offers products and services. Successful business practitioners are those who understand their customers and fulfill their needs. For that, customer ...
  • Challenges in the present public transportation system in Kilinochchi 
    Randeniya, R.D.S.S.; Perera, W.U.L.D.P; Anburuvel, A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Kilinochchi, a town in northern Sri Lanka, is a sparsely inhabited region with widely dispersed residential areas. At present, public transport in Kilinochchi mainly comprises of bus transit operated only along the main ...
  • Intraframe image processing algorithm for identifying meteors in all-sky images 
    Alahakoon, A.G.P.D.; Amaradasa, H.D.S.; Prasadh, K.V.S.; Vidanagamachchi, S.M.; Wickramage, N.M.; Mahanama, G.D.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    An all-sky camera comprises of 180-degree field of view fisheye lens is used in this study to capture the images of meteors. An algorithm has been developed to analyze long-exposure all-sky images by using OpenCV and Python. ...
  • Decolourization of textile dyes by fenton-like reaction with iron impregnated biochar catalyst from bamboo (Bambusa vulgaris) 
    Gedara Wattage, N.T.D.; Kalutharage, N.K.; Ganaga Badage, C.S.; Wanniarachchi, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Treatment of textile wastewater containing reactive dyes is highly important as dyes and their breakdown products are toxic. Fenton oxidation is widely used to decolorize textile wastewater. Formation of Iron containing ...
  • Effect of salinity in altering microbial biomass carbon at saltmarsh ecosystems at Mannar region, Sri Lanka 
    Dissanayake, D.D.M.O.; Jayasinghe, J.A.V.R.; Perera, G.A.D.; Kadupitiya, H.K.; Seneweera, S.; Ratnayake, R.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Saltmarshes are transitional habitats located between the ocean and land, which are inundated by daily, or occasional flooding of saltwater brought in by the tides. Despite the ecosystem’s high productivity and potentiality ...
  • Fungal laccase activity on degradation of CI Direct Blue 201 textile dye 
    Ekanayake, E.M.M.S.; Udayanga, D.; Wijesekara, I.; Manage, P.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Textile dye effluent is one of the most toxic effluents released to the environment. Laccase enzyme has potential to degrade wide range of organic pollutants including textile dyes. Therefore, present study was designed ...
  • Maturity dependence of chemical constituents in bark and leaf oil of two varieties of Ceylon cinnamon (Cinnamomum zeylanicum Blume) 
    Wijeweera, A.A.; Hewage, J.W.; Jayasinghe, G.G.; Hemalika, W.S.; Hettiarachchi, S.R.; Wijesinghe, K.G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    The maturity dependence of chemical constituents in bark and leaf oils of two varieties of Ceylon Cinnamon, Cinnamomum zeylanicum, was studied. We maintained both genetic factor and ecological factor constant by using two ...
  • Microbiology as a viable fix for drinking water taste and odour issue; degradation of Geosmin using novel bacteria 
    Ganegoda, S.S.; Manage, P.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Presence of adverse taste and odour (T&O) in treated drinking water is one of the major issues in global drinking water suppliers. Geosmin (trans-1, 10-dimethyl-trans-9-decalol) is responsible for earthy taste and odour ...
  • Removal of calcium ions in aqueous solutions by modified Moringaoleifera fruit coat 
    Dahanayaka, H.S.; Prabagar, J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    In this study, removal of calcium ions in aqueous solutions by modified Moringa oleifera (MO) fruit coat was carried out. Different particle sizes (62 μm-2000 μm) of MO were taken and tested for their efficiency on adsorption ...
  • Investigation of sound absorption properties of selected fruit plants 
    Amarasingha, N.D.; Thilakarathna, D.M.D.N.; Gunasekara, T.M.A.D.; Bodhika, J.A.P.; Dharmaratna, W.G.D.; Jayatissa, L.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Four selected fruit plants, Flacourtia inermis (fලdú), Achras sapota (සැප†ල්ලා), Averrhoa carambola (කාමරංකා), Syzygium jambos (ජïබු), were studied for their sound absorption properties. Reverberation room method described ...
  • Meshfree based computationally efficient simulation of different shaped plant cells using the cell linked list algorithm 
    Hansani, K.G.P.; Sumith, B.; Karunasena, H.C.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    This work presents an application of the Cell-Linked List Algorithm (CLLA) to improve the computational performance of Smoothed Particle Hydrodynamics (SPH) based plant cell with different cell shapes. CLLA is a computationally ...
  • Compressibility characteristics of synthetic municipal solid waste at different phases of biodegradation 
    Pradeep, W.T.R.A.; Priyankara, N.H. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
    Results of a laboratory investigation conducted to determine compressibility characteristics of synthetic municipal solid waste (SMSW) at different phases of biodegradation is presented. SMSW samples were prepared based ...

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