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Lombikok és kémcsövek a természet hátterének vizsgálatához

Lombikok és kémcsövek a természet hátterének vizsgálatához - Stock fotó és kép

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Hasonló jogdíjmentes képek

Analysis of water from the river for pollution. Hand in a blue glove holds a test tube. The concept of environmental pollution, ecology

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

Sample of water from a lake, river. Water sampling by a laboratory assistant for quality indicators.

Environmental biologist in a protective suit on the shore of a reservoir conducts an express test of river water for pollution

Young woman checking a rain gauge in a garden to keep track of precipitation and irrigation output.

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 scientist's river drawing water into a research flask from a stream

Scientist's hand, in a protective suit and gloves, pour blue liquid into a flask, against the background of sewer pipes

Close-up of a flask with a blue reagent and a notebook with a pen against the background of the examination site

Scientist's hand, in a protective suit and gloves, collects liquid into flasks and test tubes, for testing, against the background of the river

Close - up of a Petri dish, with grown plants, in the laboratory, the hands of a scientist planted in the environment

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, on a background of water

Hand in blue in a protective glove, pours liquid from a test tube into a riverbed