This is the 656th most frequent Ukrainian word.
досліджень
"Досліджень" means "of research" or "of studies" in English.
Here, "досліджень" refers to scientific studies or investigations carried out by the scientist.
Науковець здійснив багато досліджень у галузі біології.
The scientist conducted many researches in the field of biology.
In this sentence, "досліджень" is used to describe the outcomes or findings derived from systematic studies.
Результати цих досліджень важливі для розуміння екосистем.
The results of these researches are important for understanding ecosystems.
Here, "досліджень" implies recent academic works or studies that are being analyzed or discussed.