Крупным планом чашки Петри с образцом растений из реки, в которую из пробирки в руки исследователя выливается реагент для экспресс-исследований - Стоковое фото и изображение

Hands in a protective suit and blue rubber gloves take a sample of algae near the river with tweezers for examination in the laboratory

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent, top view

Close-up of the hands of the scientist in protective gloves, collect materials with tweezers from the water in a Petri dish, for the sample

Laboratory worker takes samples from the bottom of the lake

The scientist, in a protective suit and mask, took a plant with tweezers, for a sample and puts it in a Petri dish, close-up

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

Scientist in a protective suit and mask, collects biomaterials from the water, for analysis, in a Petri dish

Scientist in yellow protective vest, uniform and gloves, collects materials from water, tweezers Petri dish

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent

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

Environmental laboratory specialist in protective suit took a soil sample with tweezers and put a piece in a glass container, close-up

A man in a protective suit and mask holds a test tube and a pipette with test water on the river after an accident

Environmental laboratory specialist in a protective suit holds a lid and a glass container in which lies a sample of soil for research, close-up

Environmental biologist in a protective suit and mask examines water from the river for viruses

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

A man in a protective suit holds a petri dish with a sample for research and took off his glasses to look forward