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Browsing IRSPAS 2019 by Issue Date

Browsing IRSPAS 2019 by Issue Date

Now showing items 1-20 of 173

Land Subsidence Susceptibility Mapping in Bandarawela & Ella DS Divisions in Sri Lanka, using GIS

Kangana, U. S.; Illeperuma, I. A. K. S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Land subsidence is gradual settling or sudden sinking of the earth's surface owing of subsurface movement of earth materials; most of the identified subsidence were caused by server withdrawal of underground water and ...
Multi-server queuing system modeling approach for customer service management in a super market: A case study

Dilanthi, M. G. S.; Ekanayake, H.; Herath, H. M. K. M.; Kaushala, L. M. K.; Ramanayake, R. M. A. M. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

The service performance is a key determinant for a super market to win customer attraction in large scale. Thus, better performance can be ensured with an efficient service provision to its customers. Accordingly, the study ...
A systematic study on the effect of morphology of silver nanomaterials towards electrical conductivity in aqueous nanodispersions

Dheerasinghe, M. J.; Nisansala, H. M. D.; Abeysinghe, A. A. D. T.; Rajapaksha, K.; Patabendige, C. N. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Nanoscience is a field which has gained increasing attention of scientists in the recent past. Out of the various disciplines listed under nanotechnology, nanochemistry comes in the spotlight due to the wide array of ...
Electrodeposited metal sulfide thin films for gas sensing applications

Namawardana, D. G. K. K.; Wickramathilaka, P. A. K. Y.; Atapattu, H. Y. R.; De Silva, D. S. M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Quantitative measurements of gases are based on a variety of physical or chemical principles. Among them semiconductor gas sensors are best candidates for the development of commercial gas sensors due to their higher ...
A Simulation on ATM service performance: A case study

Dilanthi., M. G. S.; Wathsala, H. A. I.; Thennakoon, T. M. C. S.; Mihirani, K. N.; Jayarathna, H. A. D. N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

The banking industry has significantly gained benefits using the ATM facility. The main objective of this is to minimize the customer waiting in money transactions and provide an efficient service for 24 hours daily. Thus ...
Factors Associated with the Post-operative Mortality following Vascular Surgeries: A Case Study

Fernando, W. W. M. D. Y.; Tissera, J. H. D. S. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Vascular surgery is a subspecialty of surgeries performed on vascular system, which is a combination of arteries, veins and lymphatic system, excluding intracranial (brain connected) and coronary (heart connected) arteries. ...
A business analytical model to analyse customer churn in mobile telecommunication industry in Sri Lanka

Ruwanika, D.; Mascrenghe, M. A. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

It is much important to an organization to identify the most affecting factors to lose their customers. This is a specific and practical problem for the group of organizations in telecommunication industry in all over the ...
A lean maturity assessment model to improve warehouse operations for the 3PL industry in Sri Lanka

Gamini, G. L. M.; Vidanagamachchi, K.; Wickramarachchi, R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Warehousing plays an important role in the logistics sector in order to facilitate economic and business benefits for both parties including customer and the service provider. 3PL (third-party logistics) service providers ...
Identify a potential location for wind power plant in Jaffna district, Sri Lanka using GIS techniques

Weerasinghe, V. P. A.; Dilshara, R. M. P.; Liyanage, P. M.; Perera, G. L. D. N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Wind energy is one of the renewable energy sources in the Sri Lanka. Currently, there are some active wind power stations located in Central region, Hambanthota, and Puttalam. National Renewable Energy Laboratory (NREL) ...
Novel solid phase micro extraction (SPME) Method for GC-MS analysis of Tributyltin.

Bandara, K. R. V.; Chinthaka, S. D. M.; Manage, P.M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Tributyltin (TBT) is an organotin compound belongs to the group of Persistent Organic Pollutants (POPs) and one of the active ingredients in biocides used to control a broad spectrum of organisms. Antifouling paints which ...
Bench scale fixed-bed column adsorption studies and adsorption modelling: removal of methylene blue from aqueous solutions using glutaraldehyde cross - linked chitosan beads

Amarasooriya, M. P. N. A.; Rajapakse, C. S. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

As dye-containing waste effluent is a big threat not only to the environment, but also to human life and the economical removal of dyes from wastewater has become an environmental challenge in nowadays. Therefore, this ...
Novel membranes for treatment of water: Graphene oxide membranes cross-linked with metal cations

Bandara, W. R. N. M.; Liyanage, J. A.; Kumarasinghe, A. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Declining of water resources and rapid expansion of the consumption of water worldwide have led to the search of novel water treatment technologies that can provide a safe water supply to the mankind. Graphene oxide (GO), ...
Comparative study of the percentage degradability of food wrapping polythene films manufactured from different virgin materials

Abeywickrama, M. S. J.; Yatawara, M. D. M. D. W. M. M. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

The polythene industry in Sri Lanka is being shifted towards the use of compostable raw materials to manufacture food wrapping - films (lunch sheets) after the prohibition of films which are less than 20 microns. Nevertheless, ...
In vitro release of curcumin from alginate submicron particles at pH 2 and pH 6.8

Shakoor, I. F.; Pamunuwa, G.; Karunaratne, D. N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Alginate is a polysaccharide, a structural component of marine brown algae that has been used for slow or controlled delivery of incorporated materials in food research due to its biodegradability, biocompatibility and ...
Effect of CaCO3 on mechanical properties and degradability of polythene manufactured from low density polyethylene

Abeywickrama, M. S. J .; Yatawara, M. D. M. D. W. M. M. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

One of the major drawbacks of polythene manufactured from low density polyethylene is its poor degradability in the environment. The present study was therefore planned to assess how the addition of CaCO3 effect on the ...
Monitoring heavy metal air pollution using moss as a biomonitor and developing a mathematical relationship based on surrogate approach, to determine heavy metal loads in moss

Yohani, A. A. R .; Deeyamulla, M. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Atmospheric pollution is one of the major problems that mankind is dealing with. Under air pollutants, heavy metals are toxic and persist in the environment. Monitoring heavy metal loads in the atmosphere is therefore of ...
Generic assumption vs. actual stem carbon content in three selected street tree species in urban setting of Colombo, Sri Lanka

Kulangana, T.; Bandara, W. A. R. T. W. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Current interest on removal of anthropogenic CO2 emissions from urban areas through plants, arises with the potential of trees in urban environments to sequester atmospheric carbon and offset the increasing CO2 concentrations ...
Association between backache related quality of life and serum creatinine in Chronic Kidney Disease of unknown aetiology (CKDu) patients in the North Central Province, Sri Lanka

Aslam, F.; Hakmanage, N. M.; Suriyakumara, V.; Sandaruwan, L.; Kumarasinghe, N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Chronic kidney disease of unknown aetiology (CKDu) is a slow progressive disease that cannot be detected until the later stages. This is commonly described among the agricultural communities in Sri Lanka. CKDu has been a ...
Analyzing Outpatient Department Performance using ARENA Simulation: A Case Study

Dilanthi., M. G. S.; Madhushan, W. A. P.; Ranathunga, R. A. R. Y.; Wijesiri, M. K. N. A.; Rathnayaka, R. M. H. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Many public hospitals in Sri Lanka are becoming overcrowded and creating long waiting queues at their outpatient departments. Thus, they have faced the challenge of managing patients at their public health clinics and ...

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Browsing IRSPAS 2019 by Issue Date

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