Browsing Volume:6 Number:2 June 2021 by Title

Now showing items 1-12 of 12

Assessment of the Optimal Flight Time of RGB Image Based Unmanned Aerial Vehicles for Crop Monitoring

Ruwanpathirana, P.P.; Madushanka, P.L.A.; Jayasinghe, G.Y,; Wijekoon, W.M.C.J,; Priyankara, A.C.P.; Kazuhitho, S. (Rajarata university of Sri Lanka, 2021-12)

Unmanned Aerial Vehicles (UAVs) have been developed as a feasible tool for agricultural surveillance. Despite the fact that many researchers have focused on UAVs' ability to offer information on crop growth and ...
A Comparative Study of ESL Learner Perspectives on Assessment and Evaluation Practices with Special Reference to Metropolitan and Peripheral Universities in Sri Lanka

Dhanapala, R.M. (Rajarata University of Sri Lanka, 2021-06)

The role played by assessment and evaluation in the ESL educational context are so vital that they help to measure learning progress of students and the effect of pedagogical applications. The attention paid to learner ...
Demographic Features and Mathematics Performance of Students: A case of G.C.E O/L Students in Ratnapura Educational Zone

Hathella, H.V.R.G.; Priyanath, H.M.S. (Rajarata University of Sri Lanka, 2021-06)

The present study attempts to examine the effect of demographic characteristics and students' attitudes on the mathematics performance of G.C.E. O/L students in Sri Lanka. Data were collected from 110 students who sat ...
Effect of Phosphate Solubilizing Bacteria (PSB) on Growth and P Uptake of Wallapatta (Gyrinops walla Gaertn.) Seedlings

Arunakumara, K.K.I.U; Walpola, B.C.; Karunatunga, C (Rajarata university of Sri Lanka, 2021-12)

Gyrinops walla Gaertn (wallapatta) is a highly valuable agarwood producing plant species endemic to Sri Lanka. Due to over-exploitation of the species, the natural habitats are tremendously under pressure, thus ...
Identification of Determinants of Life Expectancy at Birth across Nations Using Machine Learning Techniques

De Mel, W.A.R.; Samarakoon, N.Y.J.W. (Rajarata University of Sri Lanka, 2021-06)

Life expectancy at birth (LEB) gives implications regarding the overall development of a nation. So identification of prominent determinant factors that affect LEB, will lead to take relevant decisions regarding the ...
Impact of Green Human Resource Management Practices on Firm's Environmental Performance: The Mediating Role of Green Organizational Culture

Karunarathne, R.A.I.C. (Rajarata university of Sri Lanka, 2021-12)

During the last decade, there has been an increasing trend in the corporate sector giving priorities for environmental-friendly policies and practices. Accordingly, scholars have examined the role of Green Human ...
Is Body Mass Index an Important Determinant in Screening Serum Amylase Level?

Weerasinghe, W.C.A.; Risla, M.B.F.; Dias, P.; Priyadarshani, A.M.B. (Rajarata University of Sri Lanka, 2021-06)

Amylase enzyme is an enzyme involved with digestion of carbohydrates. Unusual levels of serum amylase accompany with medical complications. Determination of serum amylase level is not done routinely in the medical ...
Knowledge on Prevention of Allergic Reactions and Associated Factors among Beauticians in Selected Beauty Salons in the Biyagama Medical Officer of Health Area

Heiyanthuduwa, Wasana; Seneviwickrama, Maheeka (Rajarata University of Sri Lanka, 2021-06)

An allergy is a hypersensitivity reaction initiated by immunological mechanisms. Beauticians work with cosmetic products which contain allergens. They should be able to identify and prevent allergies associated with ...
Nut Cracking Machine for Terminalia catappa (Tropical Almond/ Kottamba)

Kahandage, P.D.; Pathirana, M.A.B.L.; Balasuriya, A.; Weerasooriya, G.V.T.V.; Piyathissa, S.D.S.; Charithangi, M.P.; Kosgollegedara, E.J.; Ariyawansha, T. (Rajarata University of Sri Lanka, 2021-06)

Tropical almond (Terminalia catappa) is an underutilized crop that belongs to Combretacea family. This plant has been identified as an important medicinal plant owing to its antioxidant and therapeutic properties against ...
Perceived Stress and Preferred Music Genres of Sri Lankans in urbs and sub-urbs- A pilot study

Palihaderu, P.A.D.S,; Mendis, B.I.L.M; Satharasinghe, D.A; Premarathne, J.M.K.I.K.; Dissanayake, A,S,; Rajapakse, I.H.; Karunanayaka, P.; Senarath, U.; Wijesuriya, W.; Yeap, S.K.; Ho, W.Y.; Subasinghe, W.; Dias, W.K.R.R. (Rajarata university of Sri Lanka, 2021-12)

The relationship between music preferences with associated stress was suggested in previous studies and music was proposed as a popular diversion strategy from stressors to resort to on a daily basis. However, the ...
Polythiophene Films Containing Anthraquinone Groups

Perera, Sarath D. (Rajarata University of Sri Lanka, 2021-06)

The monomer, 3-(3-thienyl)prop-1-yl-9,10-anthraquinone-2-carboxylate (5) was prepared by reacting 9,10-anthraquinone-2-carbonyl chloride with 3-(3-thienyl) propanol. Electrochemical polymerisation of (5) at a platinum electrode ...
Spatial and Temporal Variation of Irrigation Water Quality of a Small Tank Cascade System in Up-stream of Malala Oya River Basin, Thanamalwila, Sri Lanka

Amarasinghe, S.R.; Madushanka, P.L.A. (Rajarata University of Sri Lanka, 2021-06)

Limited attempts were made using Canadian Council of Ministers of the Environment (CCME) water quality index (WQI) to interpret irrigation water quality conditions of tank cascade systems (TCS) in Sri Lanka. The present ...

Browsing Volume:6 Number:2 June 2021 by Title

Browsing Volume:6 Number:2 June 2021 by Title

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