female students working with chemicals in practice class in lab, wearing lab coats and gloves - 化學家 個照片及圖片檔大學, 實驗室, 學習
team of three scientists engages in a dynamic conversation, sharing data and ideas in a scientific laboratory - 化學家 個照片及圖片檔團隊工作, 實驗室, 文件
close-up shot of scientist hands using digital tablet to analyze laboratory data - 化學家 個照片及圖片檔醫學研究, 實驗室, 電腦
alfred nobel (1833-1896), swedish chemist, wood engraving, published in 1898 - 化學家 幅插畫檔、美工圖案、卡通及圖標諾貝爾獎, 男人, 銅版畫
female research scientist is analysing a sample on her microscope in a microbiology lab - 化學家 個照片及圖片檔實驗室, 科學家, 女性
science laboratory, research woman and team work on healthcare innovation, development or investigation. lab people, coworking group and scientist assessment, problem solving or pharmaceutical study - 化學家 個照片及圖片檔製藥業, 實驗室
close-up portrait of confident mature female in lab coat working at chemist lab - 化學家 個照片及圖片檔畫像, 實驗室, 科學家
portrait of smiling woman pharmacist holding prescribed medicines in pharmacy storage room - 化學家 個照片及圖片檔藥劑師, 注視鏡頭, 藥房
pathology and laboratory medicine development. african american scientist analyzing parasitic sample through microscope in a laboratory. - 化學家 個照片及圖片檔製藥業, 顯微鏡, 科學家