ARS - 2014: Recent submissions

  • Electrochemical deposition of CdS thin films using ammonium thiocynate as the sulfur source 
    Ariyasingha, N.M.; de Silva, D.S.M.; Pathiratne, K.A.S. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Use of a complexing agent containing sulfur atoms which can form a charge complex with Cd2+ ions could provide a condition necessary to bring atoms or ions of both the elements Cd and S together in the form of a charge ...
  • Electrochemical deposition and characterization of CdTe thin films 
    Kumarasinghe, K.D.M.S.P.K.; Chinthana, H.R.D.; de Silva, D.S.M.; Pathiratne, K.A.S. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    The semiconductor cadmium telluride (CdTe) has been widely used in applications of photovoltaics, sensors and detectors because of its direct band gap with high atomic number and electron density. With its narrow and direct ...
  • Eletrodeposition of CdS thin films using different sulfur sources for CdS/CdTe solar cells 
    Kumarasinghe, K.D.M.S.P.K.; Chinthana, H.R.D.; de Silva, D.S.M.; Pathiratne, K.A.S. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Cadmium Sulphide (CdS) and Cadmium Telluride (CdTe) are two promising photovoltaic materials for thin film solar cells. CdS is a wide band gap n-type semiconductor, which can act as a window layer. The function of CdS is ...
  • Triphone Clustering for High Accuracy Acoustic Modeling in Continuous Speech Recognition in Sinhala 
    WGDM Samankula; NGJ Dias (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Word-internal context-dependent phoneme models, such as triphones, are used to create Hidden Markov Models (HMMs) for speech recognition. The large number of triphones results the excessive number of model parameters to ...
  • A low cost electro-deposition procedure for growth of n- type cds semiconductor material used in fabrication of cds/cdte thin film solar cells 
    Chaturangi, R.A.; Kumarasinghe, K.D.M.S.P.K.; Pathiratne, K.A.S.; de Silva, D.S.M. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    CdS/CdTe thin film solar cells have exceeded the efficiencies of nearly 20% and 16% in laboratory and industrial scale devices respectively. Owing to the large band gap of 2.42 eV of CdS semiconductor, it is used as the ...
  • A sales management system using cloud computing technology 
    Wijethunga, I.A.; Dias, N.G.J. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    At present, cloud computing technology is used in many applications because of the rapid development in network technology and the cost of transmitting a terabyte of data over long distance has extremely reduced in the ...
  • Reactivity of aqueous metal ions at the ilmenite mineral-water interface using stable iron isotopes 
    WAPJ Premaratne (Book of Abstracts, Annual Research Symposium 2014, 2014)
    The reaction of aqueous metal ions with iron bearing minerals is a complex process that may involve sorption, oxidation-reduction reactions, precipitation and recrystallization. Ilmenite (FeTiO3) is the most abundant ...
  • A flight information system for Android 
    LDSK Nanayakkara; MC Wijegunasekara (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Android applications are very famous among mobile phone users. Different types of service ad features providing applications are introduced day by day. One of the key reasons for the rapid growth of Android applications ...
  • Causal relationship between construction activities & gdp growth in 
    Ruchika Athukorala; TMJA Cooray (Book of Abstracts, Annual Research Symposium 2014, 2014)
    The construction industry plays a vital role in the socio economic development and national fiscals in any country. Usually it provides a considerable share towards the Gross Domestic Product (GDP) and Gross National Product ...
  • Exposition of Karush-Kuhn-Tucker Theorem 
    Wanigasekara, G.P.D.W.; Takao Fujimoto (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Karush-Kuhn-Tucker (KKT) theorem is a fundamental theorem in nonlinear programming. This KKT theorem is a proposition, which extends the Lagrange multipliers method to the case of inequality constraints, and characterizes ...
  • Theoretical description of the method of Continuum Discretized Coupled Channels 
    RAD.Piyadasa; NGA.Karunatilake (Book of Abstracts, Annual Research Symposium 2014, 2014)
    A quantum mechanical three-body model known as the method of Continuum Discretized Coupled Channels (CDCC) has been a very successful method in explaining physical observables in case of loosely bound light projectile ...
  • Reconnoitering online learning atmospheres in a web-based math course in Sri Lanka 
    Shamitha Pathiratne (Book of Abstracts, Annual Research Symposium 2014, 2014)
    From the time when the renovation of Knowledge Economy, Schools are trying to transfer from teacher directed methodologies to learning, categorized by idiosyncratic inactive transmission to ones that are learner centered ...
  • Total phenol content of toddy as a tool of checking adulteration 
    Udeshini, D.R.I.; Senevirathne, K.N. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Toddy is a well-known local alcoholic beverage since ancient times in Sri Lanka. It is produced from fermenting of phloem sap of various palm trees. Beneficial health effects arising from palm sap and toddy have been well ...
  • Forecasting weekly fish production of Siyambalangamuwa reservoir in 
    S.S. Wimalasena; U.S. Amarasinghe; M.G. Kularatne; U. K. Jayasinghe; Mudalige (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Provision of accurate and timely information is vital for sustainable fisheries management. The forecasts on fish stocks obtained through econometric models estimated precisely using time-series data are, therefore, of ...
  • Preliminary investigation of the water quality of irrigation reservoirs of the Kala Oya river basin, Sri Lanka 
    S. Nadarajah; U.S. Amarasinghe; W.M.H.K Wijenayake (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Most ancient reservoirs of Sri Lanka have been constructed for irrigating agricultural lands in the past and fisheries development in these reservoirs has been a relatively recent advancement. Due to the multiple uses of ...
  • De-acidification effects of rice hull-based adsorbents as affected by thermal treatment 
    Mallawaarachchi, M.U.W.; Jayawardena, B.M. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Desiccated copra mills generate larger volumes of coconut water. Disposing it is an environmental problem due to high organic load. Production of coconut crude oil is a remedy but high free fatty acid content which is ...
  • Determination of selected major nutrients in commercially available dairy products in Sri Lanka 
    Rathnayake, R.A.C.; Amarakoon, A.M.T. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Dairy products are available in the Sri Lankan market in different forms such as powdered milk, packaged liquid milk, yoghurt, ice cream, cheese and butter. Quality standards had been specified for most dairy products by ...
  • Chromium accumulation in Cr (VI) resistant bacteria 
    Abewickrama, J.H.G.; Jayarathne, D.L.; Rathnayake, I.V.N.; Gunawardane, M.M. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Accumulation of Cr(VI) is one of the methods used in bacteria to overcome elevated chromium concentrations. These hyperaccumulators of Cr(VI) are important in bioremediation of Cr (VI) containing wastes. Accumulation of ...
  • Plasmid mediated Chromium resistance of bacteria 
    Abewickrama, J.H.G.; Jayarathne, D.L.; Rathnayake, I.V.N.; Gunawardane, M.M. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Plasmid-mediated Cr(VI) resistant bacteria are naturally found in environments contaminated with chromium releasing industrial effluents. These envirnments may contain microorganisms those have genetically regulated ...
  • Evidence based Unani basic factors that would effective on the management of obesity in this new era 
    Manuha, M.I.; Nageeb, B.M.; Iqbal, N.Z.; Paranagama, P.A. (Book of Abstracts, Annual Research Symposium 2014, 2014)
    Improper diet habits and lethargy for exercises are mentioned widely for the causes of obesity1. Though the causes were found and many programs have been conducted, the obesity is still a challenging problem all over the ...

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