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VINGNANAM Journal of Science

Faculty of Science, University of Jaffna, Sri Lanka.

VINGNANAM Journal of Science

Faculty of Science, University of Jaffna, Sri Lanka.

Volume 16 – Issue 2 – 2021

February 24, 2025
Volume 16 - Issue 2 - 2021

Mathematical Modelling of the Spread of COVID-19 Cases in Sri Lanka

COVID-19 / KKTS Silva / Logistic growth model / PMN Dharmawardane / Reproduction number / SIR model

February 24, 2025
Volume 16 - Issue 2 - 2021

Brine shrimp lethality assay with selected medicinal plants extracts

Andrographis paniculata / Artemia salina / BSLA / Oldenlandia umbellata / S. Suneka / T. Manoranjan / Tephrosia purpurea

February 24, 2025
Volume 16 - Issue 2 - 2021

Diversity and Abundance of Macroinvertebrates in Kaakkaithivu coastal waters, Jaffna estuary

A Vithusha / Abundance / Coastal waters / diversity / Estuary / Macroinvertebrates / S Piratheepa

February 24, 2025
Volume 16 - Issue 2 - 2021

The effects of acid and cellulose concentrations on the acid hydrolysis efficiency of waste cellulose from Palmyrah fruit husk

Acid hydrolysis / Agricultural wastes / Cellulose / Glucose / Palmyrah Fruit Husk (PFH) / Polysaccharides / Sashikesh Ganeshalingam / Srithevi S

February 24, 2025
Volume 16 - Issue 2 - 2021

A New Approach to Find Integral Solutions for the Mordell’s Equation, 𝑦^2 + 2 = 𝑥^ 3

Cubic equation / E. M. P Ekanayake / Elementary mathematics / Fermat’s little theorem / Mordell’s equation / P. M. N Dharmawardane / Unique factorization method