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Now showing items 1-20 of 88

Accident hotspots in southern expressway of Sri Lanka: Interpolation evaluation using GIS. Advances in Technology

Nalaka, P.K.; Akther, M.S.R.; Naveendrakumar, G. (University of Sri Jayewardenepura, 31-05-21)

In this study, the southern expressway, which is the first and lengthiest E class highway (126 km) in Sri Lanka, was analysed for roadside accident incidences. The primary objective of this paper is to identify the best-fit ...
Antibacterial Activity and Phytochemicals of Sequential Solvent Extracts of Solanum Trilobatum

Malathy, S.; Jeyadevan, J.P.; Pathmanathan, K. (University of Jaffna, 2012-07-20)

Solanum trilobatum which is known as Toothuvilai in Tamil has been widely used to treat respiratory disorders, especially bronchial asthma. Therefore this study was designed to test the antibacterial activity and phytochemical ...
Antimicrobial Analysis of Polygonam barbatum Leaf Extracts

Loganathan, P.; Malathy, P. (Institute of Environmental Professionals Sri Lanka: 2014, 2014-08-21)

Polygonum barbatum, known as atalari (in Tamil) or ratu kimbulwenna (in Sinhala), are perennial herbs of the family polygonaceae have been widely used anciently to treat various ailments including infections, fever, pain ...
Assessment of Forest Cover Changes in Vavuniya District, Sri Lanka: Implications for the Establishment of Subnational Forest Reference Emission Level

Vijitharan, S.; Sasaki, N.; Venkatappa, M.; Tripathi, N.K.; Abe, I.; Tsusaka, T.W. (MDPI, 2022-07-12)

Assessment of forest cover changes is required to establish the forest reference emission level (FREL) at any scale. Due to civil conflict, such assessments have not yet been undertaken in Sri Lanka, especially in the ...
Assessment of Physico-Chemical Parameters of Groundwater For Drinking Purpose With Reference to Resettlement Area, Vavuniya

Shah, Pradip; Nanthakumaran, A.; Kawamoto, K. (Dev Sanskriti Interdisciplinary International Journal, 2019-07-31)

This study deals with Physico-chemical of groundwater and surface water that are degraded by geological structure, poor sanitation, solid waste dumping and cultivation in this area have led surface and groundwater pollution ...
Assessment of the Potential of Groundwater Supplementation by Estimating the Stabilization Value of Tank Irrigation Systems in Tamil Nadu, India

Nanthakumaran, A.; Palanisami, K. (Postgraduate Institute of Agriculture, University of Peradeniya, 2011-01-10)

Irrigation tanks are one of the oldest and most important common property water resources in the resource poor regions especially in South India and Sri Lanka. Tank irrigation accounts for more than 30% of total irrigated ...
Assessment of waterbird composition in Kalkundamaduwewa tank at Vavuniya, Sri Lanka

Maddumage, Samith Indika M.R.; Akther, M.S.R.; Aashifa, M.A.R.; Mohideen, A.H.; Tharani, G.; Naveendrakumar, G. (National Institute of Ecology, New Delhi, India., 24-12-19)

Changes in abundance of waterbirds reflect the habitat changes of a tank ecosystem. Ephemeral tanks in Vavuniya district are known as habitats for rich birds diversity during different periods of a year. A short-term field ...
Assessment of women participation in agriculture in Vavuniya district, Sri Lanka

Tharani, G.; Akther, M.S.R.; Nanthakumaran, A. (International Journal of Social Science and Management, 2016-07-28)

An attempt was made to assess the women contribution towards agriculture in Vavuniya district, Sri Lanka. 60 farm family households' women were randomly selected from rural and urban area of Kovilkulam AI region of Vavuniya ...
BIOCHAR-MEDIATED REMEDIATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WASHING EFFLUENT FROM AUTOMOBILE SERVICE STATION SOIL

Gunarathna, H.M.D.S.; Pallewatta, S.; Devaisy, S.; Rajapaksha, A.U.; Vithanage, M.S. (National Science and Technology Commission, 2024-01-26)

Petroleum hydrocarbon contamination resulting from human activities including spills, industrial manufacturing, and fossil fuel disposal is a global environmental issue. Considering the contamination of soils by petroleum ...
Chemical characteristics of bulk deposition in Sinharaja and Mattakkuliya, Sri Lanka

Wijerathna, A.I.S.S.; Naveendrakumar, G.; Amarathunga, A.A.D.; Pemarathne, S.K.S. (Young Scientists’ Association (NIFS-YSA), National Institute of Fundamental Studies, Hanthana Road, Kandy, Sri Lanka., 2023-09-23)

The chemical characteristics of bulk deposition vary with climatic seasons. This study aimed to investigate the chemical characteristics of bulk deposition in Sinharaja, a rainforest site, and Mattakkuliya, an urbanized ...
Comparison of Membrane-Based Treatment Methods for the Removal of Micro-Pollutants from Reclaimed Water

Devaisy, S.; Kandasamy, J.; Nguyen, T.V.; Johir, M.A.H.; Ratnaweera, H.; Vigneswaran, S. (MDPI, 2022-11-16)

Dual membrane hybrid systems generally produce reclaimed water for non-potable uses by blending microfiltered biologically treated sewage effluent (BTSE) and reverse osmosis (RO) permeate. This reclaimed water is found to ...
A conceptual analysis on the proposal on re-induction of forest growth in the North-western region of Batticaloa district, Sri Lanka

Arutpavai, S.; Naveendrakumar, G.; Nirupha, G.; Fahmitha, S.; Suthamathy, S. (http://www.ijser.org, 31-10-14)

In recent past, abundant forest covers of Batticaloa district of Sri Lanka especially in the north-western region of the district have been destructed due to various reasons, which led to emergence of lesser reproductive ...
Crop residues with fodder trees to produce good quality silage

Fernando, K.S.D.; Nanthakumaran, A. (SEUSL, 2018-12-17)

Silage is the compressed and fermented green forage crops under anaerobic condition, usually in a silo. Crop residues can be used as feed for cattle during the dry season by ensiling them as silage. The aim of this study ...
Deposition of trace metals associated with atmospheric particulate matter: Environmental fate and health risk assessment

Meththika, V.; Pasan, C.B.; Novo, Luís A.B.; Amit Kumar; Balram, A.; Naveendrakumar, G.; Manjula, R.; Magana-Arachchi, Dhammika N. (Elsevier, 04-06-22)

Anthropogenic and natural sources influence trace metals (TMs) bound to different sized particulate matter (PM) in dry and wet atmospheric deposition, which can create ecosystem and human health issues in the long run. ...
Designing a Cloud-native Weigh-In-Motion

Kirushanth, S.; Kabaso, B. (IEEE, 2019-10-02)

Identifying overloaded vehicles on a highway is essential for the safety of vehicles on the road as well as for the performance monitoring of highway infrastructure and planning. Traffic enforcement uses various weigh-in-motion ...
Development of Evidence-Based Informative and Interactive Database (EBIID) for Vavuniya Solid Waste Management System in Sri Lanka

Kayanan, S.; Basnayake, B.F.A. (University of Peradeniya, 12-11-21)

Solid waste management databases play vital roles in effective waste management in developed countries. In contrast, developing countries having inadequate information create massive problems when planning waste management ...
Developmental abnormalities of Betta splendens embryos reared in oil & grease contaminated water samples of Vavuniya reservoir, Sri Lanka

Umasuthan, S.; Patrick, A.E.S.; Naveendrakumar, G.; Kuganathan, S. (International Science Community Association, 01-04-17)

In Vavuniya urban area the wash-outs from petroleum automobile service stations contain Kerosene oil, lubricating engine oil, grease as major compounds that contributing oil and grease pollution in Vavuniya reservoir, Sri ...
Distribution and Data Compilation of Irrigation Tanks to Facilitate their Management Using GIS

Akther, M.S.R.; Nanthakumaran, A.; Sivanantharaja, S. (International Journal of Pure and Applied Sciences and Technology, 2014-12-01)

The objectives of this study were to create the conversion equation to convert 1inch: 1mile reference of irrigation tanks to National Coordinate system and create a database using Arc GIS 9.3 software through documentation ...
Diurnal and seasonal variations of ground-level ozone and nitrogen dioxide in Battaramulla and Kandy, Sri Lanka

Batuwita, P.M.; Ranawaka Arachchi, R.A.W.; Santhiyago, P.U.; Kalpage, L.U.; Jayasundara, J.J.M.A.D.; Naveendrakumar, G. (Young Scientists’ Association (NIFS-YSA), National Institute of Fundamental Studies, Hanthana Road, Kandy, Sri Lanka., 2023-09-23)

This study examines the impact of solar radiation on ozone (O3) formation and nitrogen dioxide (NO2) depletion in Battaramulla and Kandy, Sri Lanka. Objectives include investigating diurnal and seasonal variations of solar ...
Dual Membrane - Adsorption Hybrid System as a Sustainable Water Reuse System

Devaisy, S.; Vigneswaran, S. (Faculty of Technology, Eastern University, Sri Lanka, 2023-09-27)

Dual membrane hybrid systems are becoming emergent in the production of high-quality reclaimed water for reusable purpose where microfiltration (MF) followed by Reverse Osmosis (RO) is commonly used worldwide. However, ...

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