IRUOR Home
→
Scholarly Publications
→
Conference and Symposia Proceedings
→
Ruhuna International Science and Technology Conference
→
RISTCON 2015
→
Recent submissions

RISTCON 2015: Recent submissions

Now showing items 41-60 of 93

Study the effect of ZnO and TiO2 to develop photo-degradable LDPE based composite materials

Samarasekara, A.M.P.B.; Muthugala, N.; Wimalananda, M.D.S.L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Low Density Polyethylene (LDPE) is widely used for packaging applications due to their exceptional properties. However, it does not readily decompose in an environmental friendly manner after the usage due to high chemical ...
A stochastic model for T-cell-APC system based on Random Energy Model

Pathirana, C.P.S.; Wedagedara, J.R.; Yapage, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

A simple stochastic model for the interactions between T-cell and Antigen Presenting Cell (APC) system is proposed with a major concern on the effect of T-cell receptor cluster formation on T-cell activation. We consider ...
Comparison of ARIMA and Neural Network Models for S&P SL(20) Index

Nandani, E.J.K.P.; Mahinda, M.K.; Wedagedara, J.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

In the current financial world, prediction of stock prices has become a vital task. Predicting the future is important for the organizations to plan or adopt the necessary policies. Forecasting can assist them to make a ...
Properties of CdS thin films prepared using the electro- deposition technique for applications in CdS/CdTe solar cells.

Madarasinghe, D.A.; Mahanama, G.D.K.; Dharmarathna, W.G.D.; Jayasundara, D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Cadmium Sulphide (CdS) thin films were electrodeposited successfully onto Indium Tin Oxide (ITO) coated glass substrates from an aqueous solution of pH 1.4 containing 0.3M CdCl2 and 0.03M Na2S2O3 or 0.03M thiourea at 46oC ...
Improving the performance of an algorithm by using multiple single dimensional memory structures for index mapping

Adikaram, K.K.L.B.; Hussein, M.A.; Effenberger, M.; Becker, T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Execution time of an algorithm is a critical factor in process optimization. Index mapping is a technique that is used to improve the efficiency of an algorithm by improving the arithmetic efficiency of the algorithm. ...
A Context-Free grammar for IUPAC names of hydrocarbons for developing a Syntactic Parser using Swi-Prolog

Mahesan, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Information retrieval is a necessary task in many applications in any field and retrieval of chemical information is one of them. In addition, predicting chemical structures from their name is also a useful application ...
An application of nonparametric Kernel Density Estimators in Colombo stock market indices

Wijayasiri, M.P.A.; Abeyratne, M.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

The Colombo Stock Exchange (CSE) is the major financial trading agency in Sri Lanka. All Share Price Index (ASPI) and Standard & Poor Sri Lanka 20 (S&P SL 20) are main indices of CSE. The estimation of the density distributions ...
Joint probability distribution for drought duration and drought severity based on copula methods for Hambantota District, Sri Lanka

Ekanayake, E.M.R.S.B.; Perera, Kanthi (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Hambantota district is known as one of the areas in Sri Lanka which experience severe drought conditions. Therefore, it is vital to study the drought conditions in Hambantota to get a thorough understanding of the drought ...
Designing energy tax rate to optimize energy usage in garment factories using Game Theory

Wickramasinghe, A.M.C.D.; Daundasekera, W.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Energy problem is undoubtedly one of the most serious global problems people all over theworld are facing today. Energy resources, especially fossil fuels, are crucial to everyone on the earth. Unfortunately, these resources ...
Forecasting monthly cinnamon prices in Matra district using double exponential smoothing model

Dilshani, S.D.M.; Prasangika, K.D.; Jayasekara, L.A.L.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

A time series (yt, t=1, 2,…,n) is generally considered as an ordered sequence of measurements at equally spaced time intervals. The time series models are useful in many applications to understand the underlying forces and ...
Dye sensitized solar cells fabricated with polymer free quasi solid state (gel) electrolyte

Weerasinghe, A.M.J.S.; Dissanayake, M.A.K.L.; Senadeera, G.K.R.; Senavirathne, V.A.; Thotawatthage, C.A.; Kumari, J.M.K.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Dye Sensitized solar cells (DSSCs) are cheaper alternatives to the conventional silicon solar cells. In general DSSCs comprises an electrode consisting of a nanocrystalline titanium dioxide (TiO2) films ...
Modeling tourist arrivals to Sri Lanka

Konarasinghe, K.M.U.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Research and management of large number of fields, including Hospitality and Tourism rely on mathematical modeling. Statistics plays a vital role in modeling process, capture the uncertainty and make the model more realistic. ...
Factors associated with implementing ERP Systems in Sri Lanka

Sooriyabandara, M.A.P.; Abeygunawardana, R.A.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Private sector companies in Sri Lanka are currently using Enterprise Resource planning (ERP) systems to increase the productivity. The internationally known factors associated with the implementation of ERP system may not ...
Extreme value analysis of wind speed in Puttalam, Sri Lanka

Nonis, P.K.M.A.; Perera, Kanthi (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Geographically there is a possibility of having high wind speeds in Puttalam. This can cause damages to man- made structures such as bridges, wind- turbines, buildings, radio masts, etc. Therefore assessment of wind speed ...
Temporal trends in erythrocyte nuclear abnormalities and leukocyte count of hybrid red tilapia upon prolonged exposure to crude oil

Kanthi, A.; Gunawickrama, S.H.N.P.; Gunawickrama, K.B. Suneetha (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Acute exposure to sub-lethal doses of crude oil is known to cause erythrocyte nuclear abnormalities (ENA) in fish, yet studies reporting temporal trends in the relevant effects of prolonged crude oil exposure are rare. ...
Nutrient removal efficiency of two plant bed substrates, and changes of selected water quality parameters in aquaponic system

Pathirana, H.N.K.S.; Guruge, W.A.H.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Aquaponics integrates growing plants without soil technology with aquaculture, having an important role in recovery of nutrients from effluents. Present study was carried out to assess nutrient removal efficiency of two ...
Morphometric variation in Sri Lankan populations of Puntius vittatus and a comparative analysis with some Indian populations

Damayanthi, H.G.B. Nelka; Gunawickrama, K.B. Suneetha (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Puntius vittatus (Teleosteii: Cyprinidae) is originally described from India, yet it is known to have a wide distribution in inland waters of Asian region. No previous information exists on its intraspecific geographic ...
Comparative study on sensory and proximate properties of cage cultured Genetically Improved Farmed Tilapia (GIFT) fed with formulated and commercially available fish feeds

Senaarachchi, W.A.R.K.A.; De Silva, M.P.K.S.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Effect of two formulated diets and two commercially available diets on taste and chemical composition of fish fillets of GIFT reared in a cage culture unit was evaluated. Protein content (dry weight) in formulated and ...
A preliminary study on Collembolans associated with three vegetable crops grown at selected locations in Southern Sri Lanka

Thushangi, W.T.N.; Premachandra, W.T.S. Dammini; Wickramasinghe, M.G.V. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

Collembolans are one of the invertebrate groups inhabiting in soil. They serve as decomposers and are important as soil quality indicators. To date, Collembolans in vegetable fields are poorly known in Sri ...
Utilization of Skipjack tuna offal (Katsuwonus pelamis) on growth of juvenile koi carp (Cyprinus carpio)

Weerasingha, R.; Athukorala, D.A.; Soorasena, W.G.C.U. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)

The effects of skipjack tuna (SJT) offal (Katsuwonus pelamis) on growth performance of juvenile koi carp (Cyprinus carpio) were studied for 42 days. Two isonitrogenous (416.6 kg g-1) and isocaloric (2.02 kcal g-1) diets ...

Now showing items 41-60 of 93

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

RISTCON 2015: Recent submissions

Search DSpace

Browse

All of DSpace

This Collection

My Account