分析のために川からサンプルを取ってフローレンスフラスコを持つ科学者,クローズアップ - ストックフォト＆画像

Scientist in chemical protective suit with conical flask taking sample from river for analysis, closeup

Making sushi and rolls at home. Close Up of a man's hand

Hands of a laboratory assistant in rubber gloves take a soil sample on the river

Scientist with test tube taking sample from river for analysis, closeup

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

Close-up of a Petri dish with a sample of plants from a pond for research in the hands of a laboratory worker, top view

An environmental laboratory specialist in a protective suit takes a sample of soil from the river bottom with tweezers for research, close-up

Scientist in chemical protective suit with florence flask taking sample from river for analysis

Scientist in chemical protective suit with test tube taking sample from river for analysis, closeup

Scientist in chemical protective suit with conical flask taking sample from river for analysis, closeup

Scientist in chemical protective suit with conical flask taking sample from river for analysis

Scientist in chemical protective suit with conical flask taking sample from river for analysis

Scientist in chemical protective suit with conical flask taking sample from river for analysis

Scientist in chemical protective suit with conical flask taking sample from river for analysis, closeup

Laboratory worker with Petri dish taking sample from pink lake for analysis, closeup