researcher wearing a lab coat and protective goggles, holds a flask to observe endpoints after titration in a laboratory. critical moment of chemical analysis where precision and expertise converge to determine the outcome of the experiment. - 燒瓶 個照片及圖片檔實驗室, 護目鏡
blue facial serum in petri dishes and flask on white background. cosmetic and medicine concept. laboratory glassware close up - 燒瓶 個照片及圖片檔藍色, 酵素, 玻璃
scientist analyzing the viscosity of yellow liquid she is swirling around in erlenmeyer flask when doing research - 燒瓶 個照片及圖片檔實驗室, 科學家, 摄影
closeup of a female scientist in a laboratory working with cbd oil extracted from a marijuana plant. she is tearing the cbd oil from one tube into another - 燒瓶 個照片及圖片檔大麻植物, 工業, 實驗室
Portrait of an unidentified woman, seated at a soda fountain table, as she pours alcohol from a cane into a cup during Prohibition, Washington DC,...一個人, 禁酒令, 1920-1929
Woodcut of a diagram showing the principle pieces of apparatus used in alchemy. It includes the Matrass, or Florence flask ; various alembics and...
testing liquid from green glass pipette into test tubes on yellow reflective background - 燒瓶 個照片及圖片檔實驗室, 生物科技學, 綠色
science laboratory test tubes row with light blue liquid close up macro photography picture - 燒瓶 個照片及圖片檔玻璃, 燒杯, 實驗室
