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International Postgraduate Research Conference (IPRC): Recent submissions

Now showing items 961-980 of 1163

Sales Prediction with Data Mining Algorithms

Rathnadiwakara, A.S.K.; Liyanage, S.R. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Nowadays most business fields using many strategies to improve business profits. Most of them used traditional methods. Therefore, those company‘s efficiency and profit goes to the critical situation. So the improve ...
Repellent Activity of Mosquitoes To Herbal Formulations

Ranasinghe, M.S.N. (Faculty of Graduate Studies, University of Kelaniya, 2015)

The present study was conducted to determine the mosquito repellent activities of some selected plant materials in order to obtain safe and efficient herbal mosquito repellent formulations by combinations of the selected ...
Real Time Emotion Based Music Player for Android

Dissanayaka, D.M.M.T.; Liyanage, S.R. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Listening to music has been found to affect the human brain activities. Emotion based music players with automated playlists can help users to maintain a selected emotional state. This research proposes an emotion based ...
Qualitative phytochemical analysis and phenetic variation of Piper species in Sri Lanka

Jayarathna, S.P.N.C.; Senanayake, S.P.; Jayasekera, L.R. (Faculty of Graduate Studies, University of Kelaniya, 2015)

The genus Piper is represented in Sri Lanka by ten species of which three are endemics. Piper nigrum L. (black pepper) and P. betle L. (betel) are the main crops that make the genus commercially important and some species ...
Preliminary study of the water quality and plankton abundance in Batticaloa lagoon, Sri Lanka

Dharshini, S.; Vinobaba, P.; Yatigammana, S.K. (Faculty of Graduate Studies, University of Kelaniya, 2015)

The present study investigated the prevailing condition of water quality and the abundance of phytoplankton and zooplankton assemblages across the Batticaloa lagoon. Physicochemical parameters including Salinity, Dissolved ...
Potential of using the Solar Chimney Dryer for Small Scale Industries in Sri Lanka

Jayasinghe, J.U.K.; Sumathipala, H.H. (Faculty of Graduate Studies, University of Kelaniya, 2015)

There have been many research work presenting various novel types of solar dryers that can be used for drying vegetables, fruits, and other agro-products etc. Solar chimney which consists of a large plate and a centered ...
Polycyclic aromatic hydrocarbons in water bodies and sediment around kerawalapitiya and kelanitissa power plants of sri lanka - preliminary study

Doole, F.T.; Jayalath, K.G.; Subramanium, S.S. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds composed of two or more aromatic benzene rings. PAHs are produced due to incomplete combustion of fossil fuels; such as coal, oil and due to pyrolytic ...
Phytoremediation potential of Talinum triangulare (Ceylon spinach) towards Cr in different soils

Jayalath, K.G.; De Silva, R.C.L.; Deeyamulla, M.P. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Phytoremediation has emerged as a plant-based and cost-effective alternative to remediate heavy metal contaminated soils. Although this technique is widely known, a significant study has not been reported yet to find out ...
Phenolic content and shelf life of commercial virgin coconut oil and copra oil

Wijayaratna, U.N.; Jayathilaka, N.; Seneviratne, K.N. (Faculty of Graduate Studies, University of Kelaniya, 2015)

There are two main types of coconut oil, virgin coconut oil (VCO) and copra oil (CO), based on their production process. VCO is extracted from fresh, mature coconut kernel by wet or dry methods of extraction, whereas CO ...
Password Security Concerns and Practices of Online Account Users: Case Study in Gampaha District, Sri Lanka

Jayathilake, M.V.M.; Shantha, P.H.A.B. (Faculty of Graduate Studies, University of Kelaniya, 2015)

With technological advancement, usage of internet and its applications are increasing rapidly. Because of that, number of online account users are also increasing. Although there are number of authentication technique, ...
Optimizing the Profit Using Linear Programming:A Case Study on a Concrete Yard of a Government Corporation in Sri Lanka

Gunawardena, S.A.B.N.; Suriaarachchi, D.J.C. (Faculty of Graduate Studies, University of Kelaniya, 2015)

The effective and optimum decision making in modern business environment is critical due to the competition and complexity. When considering a manufacturing organization, the most critical decision would be to identify ...
Optimization of three growth parameters for electrodeposition of CdS thin film semiconductor; pH, deposition temperature and deposition voltage in a stable electrolyte

Atapattu, H.Y.R.; De Silva, D.S.M.; Pathiratne, K.A.S. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Cadmium sulfide has been identified as the most promising window material for fabrication of CdS/CdTe and CdS/CuInGaSe2 thin film solar cells. Among vast variety of commercially available CdS fabrication methods ...
Optimization of reverse transcriptase PCR for selected hepatic cytokines in Wistar Rats

Samaranayake, H.A.E.; Thammitiyagodage, M.G.; Galhena, B.P.; Chakrewarthy, S.; Wickremasinghe, A.R. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Expression patterns of hepatic cytokines elucidates the immune and pathological pathways involved in inflammatory responses. Cytokine mRNA quantification is widely used approach in this regard that involves RNA extraction, ...
Optimization for Rock Phosphate Solubilization by Phosphate-Solubilizing Bacteria isolated from Oryza Sativa Rhizosphere

Gunawardana, M.B.D.S.S.; Ratnatilleke, A.A.L. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Rock Phosphate (RP) is a cheap, phosphate-rich source but due to its lack of water solubility its use is limited in rice cultivation as a Phosphorus (P) fertilizer. However, certain bacteria in rice rhizosphere have shown ...
Observation of interface modification of electrodeposited p-Cu2O thin films in an aqueous electrolyte

Kafi, F.S.B.; Jayathilekea, K.M.D.C.; Wijesundera, R.P.; Siripala, W. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Interface engineering via modification of semiconductor surfaces of junction devices is a powerful technique to improve the performance of devices. In addition, semiconductor material Cu2O has recently gained a considerable ...
New Bioactive poliketide from endolichenic fungus, Curvularia trifolii, inhabiting the lichen, Usnea sp. collected from Haggala Botanical Garden

Samanthi, K.A.U.; Wickramaarachchi, S.; Wijerathne, E.M.K.; Paranagama, P.A. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Endolichenic fungi (ELF), which live in healthy tissues of lichens, are one of the promising producers of structurally diverse novel bioactive secondary metabolites. It has been reported that endolichenic fungi are rich ...
Molecular Phylogeography and Clinical manifestations of Russell’s viper (Daboia russelii) in Sri Lanka

Dissanayake, D.A.; Dissanayake, D.S.B.; Bandara, K.B.A.T.; Kularatne, S.A.M.; Karunathilake, D.G.K.J.K.; Rajapakse, R.P.V.J. (Faculty of Graduate Studies, University of Kelaniya, 2015)

The Russell‘s viper, Daboia russelii has a relict distribution over large areas of Indian Sub Continent, Taiwan and the Lesser Sunda islands. Russell‘s viper is distributed with varying densities and occurrence throughout ...
Modelling real world problems with Multivariate Distributions: An application to All Share Price Index and related financial indices

Chandrasekara, N.V.; Mammadov, M.A.; Tilakaratne, C.D. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Modelling real world scenarios using statistical distributions became an important research area nowadays. Many real world applications associate with more than one variable. Therefore, when modelling these problems, ...
Microbiological study of ready-to-eat foods of vegetable origin

Rajarathne, I.R.D. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Vegetable based foods have been incriminated as a major source of food borne diseases world over. The objective of this study too was to determine the microbiological quality of the vegetable based ready-to-eat products. ...
Isolation of bioactive secondary metabolites from the endolichenic fungi, Neosartorya sp. inhabiting the lichen Parmotrema sp. in Sri Lanka

Manthrirathna, M.A.T.P.; Kandiah, R.; Gunasekara, D.S.; Paranagama, P.A. (Faculty of Graduate Studies, University of Kelaniya, 2015)

Natural products are a potential source of novel pharmaceutical agents. Therefore, isolation and identification of bioactive compounds from organisms adapted to various biotopes and unraveling their bioactivities in ...

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