Abstract is a brief summary (short but complete) of the contents of a
research paper. Normally it is about 120 words in one or two paragraphs, define
the problem, describe methodology, summarize the results, and state the
conclusions.
Here are some example abstracts from published papers. Let’s read and look
for the research problem, objective, methodology, main findings, or conclusion.
Costa, V.A.F. and Lopes, A. M.G., 2014, "Improved radial heat sink for led lamp
cooling", Applied Thermal Engineering, Vol. 70, No. 1, pp. 131-138.