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Browsing by Author Premaratne, W.A.P.J.

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Issue DateTitleAuthor(s)
2017Analysis of Water and Sediment in Attanagalu Oya in Sri Lanka: Pollution Levels and EffectsPremaratne, W.A.P.J.; Perera, H.S.M.
2017Assessment of Physicochemical Parameters of Water in Cooling Towers and Boilers: Testing and Comparisons.Premaratne, W.A.P.J.; Maithreepala, K.L.U.
2016Assessment of Water Quality Status and Pollution Levels in Maduru Oya Reservoir in Sri LankaKasthuriarachchi, T.D.W.; Wickramaarachchi, W.D.N.; Premaratne, W.A.P.J.
2017Assessments of Drinking Water Quality and Water Treatment Process in Kalatuwawa Reservoir in Sri Lanka.Premaratne, W.A.P.J.; Senarathne, K.S.D.
2017Development and characterization of a slow release fertilizer system using ammonium nitrate incorporated Gliricidia bark particles.Premaratne, W.A.P.J.; Thisera, P.A.U.D.
2015Development of a New Biofertilizer System Using Gliricidia Plants Grown in Sri LankaPremaratne, W.A.P.J.; Amarakoon, T.N.
2015Development of a new biofertilizer system using Gliricidia plants grown in Sri LankaPremaratne, W.A.P.J.; Amarakoon, T.N.
2016Engineered Nanomaterials from Mineral Resources: Application in Industry and EnvironmentPremaratne, W.A.P.J.
2008An evaluation of lead levels in paints sold in the Sri Lankan marketPremaratne, W.A.P.J.; Silva, N.J.
2009An evaluation of Nitrogen (N), Phosphorous (P), Potassium (K) levels in Gliricidia plants grown in Sri Lanka to be used as biofertilizersPremaratne, W.A.P.J.; Fernando, K.D.G.
2016Extraction of copper from copper bearing sulfide ores (chalcopyrite) by oxidative chemical leachingPremaratne, W.A.P.J.; Dharmarathna, A.C.S.
2019Green Synthesis and Characterization of Zirconia Nanoparticles Using Averrhoa bilimbiJeyasakthy, S.; Premaratne, W.A.P.J.
2015Hydrochemical analysis and evaluation of groundwater quality in Rathupaswala area in Sri LankaPremaratne, W.A.P.J.; Tissera, W.S.L.
2019An Investigation of Ground Water Quality in Ja-Ela Area in Sri LankaThamel, W.M.P.; Premaratne, W.A.P.J.
2019Investigation of Lead Concentration in Road Dust Samples in Kiribathgoda Area, Sri LankaSilva, K.D.M.; Premaratne, W.A.P.J.
2016An investigation of the adsorption of dye (Bromothymol Blue) by Sri Lankan montmorillonite clayPremaratne, W.A.P.J.; Perera, V.M.
2015Lesson 02: Determination of water percentage in a soil sample by gravimetric analysisPremaratne, W.A.P.J.
2015Lesson 03: Determination of different fractions of soil by hydrometer test and textural trianglePremaratne, W.A.P.J.
2015Lesson 04: Determination of soil density and its compaction or porosityPremaratne, W.A.P.J.
2015Lesson 05: Determination of water percentage of a soil sample at field capacityPremaratne, W.A.P.J.
Showing results 1 to 20 of 27  next >