"main conclusions drawn" is correct and usable in written English.
You can use it when you are summarizing a set of conclusions from a paper, book, research study, etc. For example, "This report included a detailed analysis of the local housing market. The main conclusions drawn were that the market is likely to remain strong over the next several years, and that the current supply of housing available is not enough to meet demand."
The main conclusions drawn are the following.
The main conclusions drawn from the analysis of these curves are the same as conclusions 1-3 given above.
Among the main conclusions drawn is that the maximum relative difference for response modification factors was about 16% obtained by the methods of conventional and adaptive pushover analyses.
Therefore, the main conclusions drawn from the evaluation of the websites are supposed to be true for other information channels as well.
The main conclusions drawn from this work will be helpful for future development and design of a high-efficiency heat preheater involving plate-fin structures.
The main conclusions drawn from these studies are that they seem to be an adequate instrument in order to achieve a massive introduction of unmanageable renewable energies.
The main conclusion drawn at this point is that sophisticated metaheuristics are useless to solve car sequencing problems.
The main conclusion drawn from this study is that better surface finish is obtained by applying cooled lubricant.
The main conclusion drawn from the numerical results is that the CFRP reinforcement is very effective for improving the integrity of RC cooling tower shells even when the latter present an advanced corrosion rate.
The main conclusion drawn from this simulation exercise is that a reduction in the duration of unemployment benefits seems to have little effect on time spent employed, whereas it increases job turnover rates.
Despite diversity in number, clinical status of subjects, route of cell administration, and criteria to evaluate efficacy, the main conclusion drawn from these clinical studies was that such therapies were safe.
