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Browsing IRSPAS 2018 by Title

Browsing IRSPAS 2018 by Title

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  • Cadmium and arsenic levels in edible fishes, Oreochromis niloticus (Nile tilapia) and Ompok bimaculatus (Pena walaya) from Padaviya reservoir of North Central Province, Sri Lanka 
    Weerasekara, K.A.W.S.; Pathiratne, A.; Kithsiri, H.M.P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Oreochromis niloticus (Nile tilapia) and Ompok bimaculatus (Pena walaya) are two edible fish species captured in the reservoirs in the North Central province. Objective of this study was to assess the cadmium and arsenic ...
  • Callus induction in anther culture of selected Capsicum annuum L. varieties 
    Rajakaruna, R.H.M.S.V.; Kumari, H.M.P.S.; Seran, T.H. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Plant breeding programs of capsicum can be accelerated through double haploid plant production. One of the easier ways to produce double haploid plants is anther culture. This experiment was carried out to induce anther ...
  • Categorizing T20 batsmen based on their performances 
    Sumithrapala, D. M. S. S.; Mallawa Arachchi, D. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    T20 Cricket is the most popular shortest form of cricket which is played all over the world. It is obvious that some of the T20 batsmen are power hitters. Some of them are having higher averages and higher strike rates. ...
  • Certain sums of Mordell-Tornheim zeta values 
    Pallewatta, M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The multiple zeta values are real numbers studied by many people in different fields. The sum formulas are considered as one of the most famous relations among multiple zeta values. In our research, we study a slightly ...
  • Changes in lung volumes and respiratory muscle strength in different phases of the rowing stroke in Sri Lankan rowers: a preliminary study 
    Perera, D.; Ariyasinghe, A. S.; Kariyawasam, A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Breathing is a muscular process brought on by a group of muscles that are capable of demanding as much as 16% of available oxygen during maximal exercise. The rowing stroke consisting of four major phases; catch, drive, ...
  • Characterization of tissue specific cholinesterases in native fishes, Rasbora daniconius and Dawkinsia singhala: their sensitivity to the heavy metal, copper 
    Premarathna, K.I.R.; Pathiratne, A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Aquatic pollutants could pose health hazards to humans and wildlife. Cholinesterases (ChEs) have been recognized as biomarkers of exposure to a range of aquatic pollutants including organophosphate and carbamate pesticides ...
  • Characterization of Tween 80® consisting Neem oil-based emulsion 
    Abeywardana, Y. N. L.; De Silva, H. H.V. K. N.; Sanjeewani, N. A.; Pathirana, R. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    In pharmaceutical industry emulsions provide a liquid drug delivery medium in the form of min globules rather than in bulk form and permits easy drug administration to the human body. Neem oil is used in Ayurveda medicines ...
  • Chemical analysis of selected Ayurvedic drugs: Yashtikalkaya and Rajahpravartanivati 
    Madhushanthi, K. P.; Liyanage, J. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Ayurvedic medicines have been widely used in Sri Lanka for thousands of years. Although they are considered as beneficial and free of side effects, some toxicity is reported. Therefore, objective of this study was determination ...
  • Chemical and functional properties of selected traditional rice ( Oryza sativa ) varieties 
    Bhagy, K. A. D. L.; Ekanayake, S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Rice is the single most important cereal consumed by Sri Lankans with a 114 kg per-capita consumption per year. Due to the current increase in the interest on consuming traditional rice varieties due to health benefits, ...
  • Comparative study on the effect of different substrate compositions on performance of tissue cultured Dendrobium bigibbum during the prehardening process 
    Perera, H.S.M.; Rodrigo, W.U.M.; Perera, U.I.D.; Swarnathilaka, D.B.R. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Development of planting material using tissue culture is an established and widely used mass propagation method in the floriculture industry. However, considerable percentage of tissue culture raised plants may not survive ...
  • Comparing the performance of randomization tests and classical non-parametric tests 
    Hapuarachchi, H. T. S.; Magalle, C. H. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    In the present world of data, there are plenty of instances where data does not adhere to the parametric assumptions. However, with the development of technology and computational facilities, Randomization Tests have become ...
  • Comparison study of mechanical and chemical properties of ancient and modern clay pots 
    Madhuwanthi, H. M. L. U.; Katugampola, M.; Jayathilaka, K. M. D. C.; Sumathipala, H. H. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    In this study, the ancient clay pottery samples from archaeological site Devalapola, Minuwangoda, Sri Lanka (3000 years, radiocarbon age) which were found by the Department of Archaeology, University of Kelaniya, were ...
  • A computational model to optimize vision correction via contact lens design 
    Karunarathna, S. P. D. S. S. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    A contact lens typically assumes different positions with respect to the pupil after each blink and saccade, and lens motion may cause a loss in visual acuity. An exact understanding of the loss of visual acuity is lacking ...
  • Consistency of mixed number algebra in some applications 
    Anuruddhika, M. L. P.; Doe, M.; Senanayake, N. P. W. B. V. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Mixed number is the sum of a scalar and a vector. The operations of addition, multiplication, inverse and etc. are defined in mixed number algebra. Mixed number algebra is consistent with different laws of Physics such as ...
  • Controllability of a system of coupled harmonic oscillators 
    De Silva, R. N. S.; Hansameenu, W. P. T. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    In general, it is worthwhile to understand and control the dynamics of an existing system whose output behaves somewhat closer to the desired output rather than developing a new system which tracks the desired output, since ...
  • Correlation between selected morphological and biochemical parameters in a hybrid tea population with the blister blight disease 
    Weerasooriya, C.R.; Kottawaarachchi, J.D.; Ranathunga, M.A.B.; Amarakoon, A.M.T. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Tea is produced from the plant species Camellia sinensis. Blister blight is a major leaf disease caused by the fungus Exobasidium vexans in tea resulting in significant yield losses, debilitation and death of tea bushes . ...
  • Cucurbit chlorotic yellows virus (CCYV) infection of pumpkin (Cucurbita maxima) in Sri Lanka 
    Abeykoon, A.M.S.K.; Basnayake, B.M.V.S.; Salim, N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Viral diseases are serious constraints to the productivity and profitability of cucurbit crops. Although many popular cucurbitaceous fruits and vegetables are grown in various regions in Sri Lanka, only a few published ...
  • Cyanobacterial and micro-green algal diversity in Wahawa, Mahaoya and Madunagala geothermal springs in Sri Lanka 
    Madushani, K. G. P.; Athukorala, A. D. S. N. P.; Gama-Arachchige, N. S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Geothermal springs have been recorded to exhibit a considerable diversity of cyanobacteria and microalgae. The cyanobacterial and microalgae diversity in Sri Lankan geothermal springs is understudied. The current study ...
  • Defluoridation of drinking water using physically and chemically modified chitosan 
    Pathirannehe, P. N. S.; Fernando, T. D.; Rajapakse, C. S. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Depending on the total intake, fluoride (F-) is known to have both beneficial and adverse effects on humans. As the occurrence of the Chronic Kidney Disease of unknown etiology (CKDu) is thought to be linked with excess ...

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