This is the 10516th most frequent Korean word.
국립환경과학원
National Institute of Environmental Research.
The word '국립환경과학원' is used here as the institution where research is conducted, emphasizing its role and activities.
국립환경과학원에서 환경 문제에 대한 연구가 활발히 진행되고 있습니다.
Research on environmental issues is actively being conducted at the National Institute of Environmental Research.
In this sentence, '국립환경과학원' is utilized to specify the workplace where the speaker aspires to work.
저는 국립환경과학원에 취업을 하고 싶어요.
I want to get employed at the National Institute of Environmental Research.
Here, '국립환경과학원' refers to the organization responsible for publishing materials, emphasizing the source.