Nő kémikus azt mutatja, hogy a molekuláris szerkezete - Stock fotó és kép

Woman chemist shows a molecular structure

Woman chemist shows a molecular structure

Woman chemist shows a molecular structure

Woman chemist shows a molecular structure

Teacher lady writing scientific formula on the whiteboard.

Woman chemist shows a molecular structure

Woman chemist shows a molecular structure, on grey background

Young woman chemist working with chemical formulas on grey background

Woman chemist shows a molecular structure, on gray background

Young woman chemist working with chemical formulas on grey background.

Woman holding test tube with red liquid, isolated on white

Young woman chemist with stylus or pen working with chemical formulas on grey background.