classroom desk and drawn formula on blackboard of chemistry teaching with books and instruments. - 化學家 個照片及圖片檔實驗室, 教育, 課室
biologists put chemical liquid with the pipette in a test tube inside a laboratory. research and development concepts. - 化學家 個照片及圖片檔實驗室, 製藥業, 科學家
female scientist inspecting a erlenmeyer test tube while recording research data on a digital tablet in laboratory, conducting chemical analysis, biotechnology research and scientific quality control - 化學家 個照片及圖片檔
health and medical science research and development enhance the quality of healthcare for everyone. - 化學家 個照片及圖片檔醫學研究, 實驗室, 科學家
science, sample and black woman with liquid in lab for research, medical study and forensic data. healthcare, pharmaceutical and scientist with test tube for experiment, discovery and breakthrough - 化學家 個照片及圖片檔科學家, 女性
asian female scientist filling chemical through pipette while working in modern laboratory. - 化學家 個照片及圖片檔實驗室, 生物科技學, 醫學研究
scientist, woman and test tube for research, laboratory or medical doctor in healthcare. microbiology, innovation or life extension drug experiment, micro pipette and science with chemistry in clinic - 化學家 個照片及圖片檔實驗室, 科學家
young female scientist filling chemical through pipette while working in laboratory - 化學家 個照片及圖片檔實驗室, 科學家, 醫學研究
side view of female scientist looking at test sample through microscope in laboratory - 化學家 個照片及圖片檔醫學研究, 實驗室, 科學家