試験管ラックです。科学的な実験室の試験管ラックにいる試験管のクローズ アップ - ストックフォト＆画像

New test. Professional smart experienced researcher wearing a uniform and making an experiment while working in the lab

Chemical vessels. Young researcher using the special chemical equipment while working in the lab

Close up hand scientists study cell health care and researchers doing some research with dropper chemical testing and working in life science laboratory

Researcher with glass laboratory chemical test tubes with liquid for analytical , medical, pharmaceutical and scientific research concept.

Researcher with glass laboratory chemical test tubes with liquid for analytical , medical, pharmaceutical and scientific research concept.

Laboratory outfit. Professional female scientist wearing rubber gloves while working with test samples

Special dish for test samples. Close up of a transparent penri dish being held above the table

Join us. Two colleagues expressing positivity and discussing important questions while demonstrating reagents on support

Organic chemistry. Selective focus of a flask being filled with chemical reagent standing on the table in the lab

Good job. Attentive blonde bowing head while examining reagents and sitting at her workplace

Serious experiment. Selective focus on a set of test tubes containing different chemical liquids standing on a shelf in a modern laboratory.