科学者は防護服とマスクを着てピンセットで植物をサンプルとしてペトリ皿に入れクローズアップしました - ストックフォト＆画像

Laboratory worker takes samples from a wood surface

Scientist in a protective suit and mask, collects materials from the pond in a Petri dish

Scientist in yellow protective vest and mask, uniform and gloves, closes the Petri dish, after collecting materials, close-up

The man checks the duration of the protection of the special suit in the conditions of pollution, putting it on

Scientist in a protective suit and mask, holding a set of test tubes with water samples treatment facilities, on the background of water, on the right there is a place for the inscription

A man crouched in a protective suit to take a sample of a plant from water into a Petri dish for laboratory research

A man in a protective suit holds a test tube in his hands with a green reagent for conducting water analysis against the background of the river

Scientist in a protective suit and mask, releases into the pond bio plants for reproduction from a Petri dish

Laboratory assistant in a protective suit and mask performs an express analysis at the site of contamination of the reservoir

Close-up of a petri dish with a sample of soil for research in the hands of a laboratory worker, against the backdrop of the environment

An environmental laboratory specialist in a protective suit lids a glass container with a soil sample for research

A man in a protective suit and mask took a soil sample from the bottom of the river into a Petri dish

Environmental laboratory specialist in protective suit and mask in a gutter pours water into a flask to study the level of pollution, close-up

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

A man in a protective suit and mask performs an express test for water pollution from a river

A man in special protective clothing and a mask draws water from a river into a flask after discharges into the river, checking the river for environmental friendliness

Close-up of a Petri dish with a sample of plants from a river into which a reagent for express research is poured from a test tube

Side view of a man in a protective suit and mask holding a test tube and a pipette with test water on the river after an outdoor accident