• Cover page 

  Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
• Contents 

  Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
• Editorial Note 

  Editorial Board (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
• Nanomaterials as a green multifunctional material for water purification and energy applications (Keynote Speech) 

  Ruey-an, Doong (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
• Estimation of the size of the stray dog population, case study for the Dickwella divisional secretariat, Matara, Sri Lanka 

  Sudarshani, E.G.D.; Malkanthi, S.H.K.; Jayasekara, L.A.L.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Stray dogs have become a huge social and health problem in Sri Lanka. An accurate estimate of stray dog population size can be used in conducting investigations, planning control programmes for the stray dog population, ...
• On forecasting ability of the artificial neural network model in time series data: Based on gold price in Sri Lanka 

  Gunarathna, I.G.I.S.C.; Nandani, E.J.K.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Forecasting is the prediction of values of a variable based on known past values of that variable or other related variables. Forecasts also may be based on expert judgments which in turn are based on historical data and ...
• A study on economy of fish harvesting in Sri Lanka 

  Lakmali, T.H.R.; Shanthidevi, K.C.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  In this work we were used Logistic Growth Model and Surplus Yield Model to inspect the economics of harvesting in Sri Lanka. The objective of this study is to determine an optimal harvesting quantity which fulfills the ...
• Application of Markov random fields in image restoration 

  Bandara, S.M.G.S.; Yapage, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Image restoration has been a popular field for decades. Images are destroyed when exposed to ‘noise’ which can occur due to physical contact or electrical/ electronic interference. In this study, Bayesian statistical ...
• Granger causality between dengue and climatic variables in Colombo, Sri Lanka 

  Attanayake, A.M.C.H.; Perera, S.S.N.; Liyanage, U.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Dengue is a viral infection which is spreading rapidly all over the world as well as in Sri Lanka. The burden of the dengue shown by the number of deaths from the disease annually. Literature shows that there is a strong ...
• Noise level measurements at Matara city 

  Amarasingha, N.D.; Thilakarathna, D.M.D.N.; Rathnayaka, R.M.B.D.; Sethunga, S.M.N.; Bodhika, J.A.P.; Dharmarathna, W.G.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Rising traffic noise, due to rapidly increasing traffic density in urban cities in Sri Lanka, is becoming a severe problem, especially, for residents and workers in cities. High noise exposure causes mental and physical ...
• Construction of a nichrome based hot-wire anemometer 

  Kankanamge, B.L.; Jayatilleke, K.P.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  The Hot Wire Anemometer is a device to measure velocity of a fluid. A small electrically heated wire is exposed to flowing fluid medium. Heat of the wire is transferred to the fluid and the change of resistance of the wire ...
• A preliminary study on adverse health impacts due to occupational noise exposure in teaching environment 

  Perera, T.C.I.; Abeysuriya, U.I.P.; Amarasingha, N.D.; Sethunga, S.M.N.; Bodhika, J.A.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Long-term exposure to occupational noise may cause various physiological, psychological and behavioral problems in workers. This study investigates health impacts on primary school teachers from occupational noise in primary ...
• ZnS buffer layer for CdS/CdTe based solar cells –A preliminary study 

  Madhuwanthi, H.M.L.U.; Mahanama, G.D.K.; De Silva, D.S.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Among thin film solar cell materials, cadmium sulphide (CdS) has to been found to be the most suited window material as a heterojunction partner in cadmium telluride (CdTe) based solar cells. By introducing a buffer layer ...
• Low cost counter electrode for dye-sensitized solar cells using activated coconut shell charcoal with jackfruit latex as the binder 

  Dissanayake, P.N.; Kumara, G.R.A.; Karunarathne, D.G.B.C.; Kumarasinghe, K.D.M.S.P.K.; Sirimanne, P.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Dye sensitized solar cells (DSSCs) belong to the third generation photovoltaic cells, can also be used to convert visible light into electrical energy. In this type of DSSCs, counter electrode plays a vital role in ...
• Photoanode with hybrid TiO2 nanoparticles/hierarchically structured TiO2 microspheres for efficient dye-sensitized solar cells 

  Senthuran, S.; Dissanayake, M.A.K.L.; Senadeera, G.K.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Among various components of a dye-sensitized solar cell (DSSC), the photoanode plays an important role in the overall power conversion efficiency as both dye adsorption and electron transport take place in the photoanode. ...
• A fast and efficient random flicker detection system based on a novel low-pass quadrature filter 

  Ajward, A.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)

  Many known literature techniques are available to detect flicker in electric power systems and to mitigate them. However, they are not suitable to detect random flicker in the presence of the higher-order harmonics. This ...
• 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. ...
• 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 ...
• 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 ...
• 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 ...

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