laboratory concept; scientist holds an amber vial and press the control button of gc chromatography - 分光光度計 個照片及圖片檔
laboratory concept; scientist holds an amber vial.people hand holding a test tube vial sets for analysis.laboratory assistant inserting laboratory glass bottle in a chromatography vial. - 分光光度計 個照片及圖片檔純淨
laboratory concept; scientist holds an amber vial. people hand holding a test tube vial sets for analysis.laboratory assistant inserting laboratory glass bottle in a chromatography vial. - 分光光度計 個照片及圖片檔
Angel Muthemba of Revere High School works on quantifying DNA samples on a spectrophotometer in Cambridge, MA on Aug. 15, 2019. Eight Boston-area...教育
August 2019, Brandenburg, Lindenberg: Ingo Ortmann, meteorological technician of the Meteorological Observatory Lindenberg -...
President Barack Obama and Melinda Gates look at a spectrophotometer while visiting with students at TechBoston Academy in Boston, Mass., March 8,...
An Aquarium For The 3Rd Millennium In La Rochelle On January 16Th, 2001 A Spectrophotometer Is Used To Asses The Level Of Nitrates In The Water
Matt Swadener readies a water sample to test in a spectrophotometer for chlorine testing at the Betasso Water Treatment Plant on Tuesday afternoon.