Man in laboratory, tightening lid on test tube, close-up
Mid adult man adjusting laboratory equipment, holding test tube
Mid adult woman inserting test tube in laboratory
Mid adult woman in laboratory inserting test tube into tray
Woman in laboratory, holding test tube, close-up
Man in laboratory, wearing protective gloves, holding test tube
Man holding test tube filled with liquid
Mid adult woman injecting liquid into test tube
Mid adult man in laboratory, holding test tube
Woman taking test tube from row of test tubes, close-up
Mid adult woman injecting liquid into test tube, mid section
Woman working in laboratory, close-up
Man taking tube from laboratory machinery, close-up
Woman in laboratory, holding rack of test tubes
Mid adult woman in laboratory, plugging in metre
Man adjusting metre in laboratory, mid section
Man looking at monitor in laboratory
Mid adult man working in laboratory
Mid adult man in laboratory, holding rack of test tubes
Mid adult man inserting test cups in laboratory
Mid adult woman working in laboratory
Man in laboratory, pouring liquid into row of test tubes
Nitrogen inside tubes in laboratory, close-up
Woman adjusting lab tubes in laboratory, focus on tubes
Mid adult man in laboratory, reading label of bottle
Mid adult man in laboratory, inserting liquid into glass flask
Mid adult man injecting liquid into test tube
Mid adult woman in laboratory, examining test tube
Mid adult woman adjusting laboratory equipment
laboratory/ hand hold test tube with liquid
Man in laboratory, holding test tubes, close-up
Mid adult man in laboratory, working on computer
Mid adult woman looking at test sheet in laboratory
Mid adult man using laboratory equipment, close-up
Woman in laboratory, wearing protective gloves, typing on monitor, close-up
Scientist holding test tube
Scientist writing on test tube
Laboratory tubes
Scientist looking at test tube
Laboratory equipment, close-up
Woman in laboratory, using computer
Man injecting liquid into test tube, close-up
Man in laboratory, holding tube of liquid, close-up
Scientist holding dropper and test tube
Mid adult woman in laboratory, using computer
Female scientist filling test tube in laboratory, side view
Mid adult woman monitoring equipment in laboratory
Rows of test tubes in laboratory, close-up
Male and female co-workers having discussion in laboratory
Scientist placing test tube with solution in rack in lab
Mid adult man in laboratory, looking at liquid in glass flask
lab technician pipette liquid into test tubes
Rack of test tubes with solution on counter in lab
Scientist picking test tube out of rack on counter in lab
Scientist holding test tube rack
Man pressing button on machine containing cups of liquid, close-up
Scientist pouring liquid into test tube
Scientist holding test tubes
Scientist working in the chemical laboratory
One woman holding up test tube with liquid
Woman working in chemical laboratory
Chemistry student with test tubes
Scientist doing litmus test
Woman in laboratory, holding tray of test tubes
Man holding cup with liquid test fluid in laboratory, close-up
Rack of test tubes filled with liquid, close-up
Portrait of mid adult man in laboratory, wearing safety goggles
Female doctor holding medical samples in a laboratory
Scientist examining liquid in test tubes
Scientist holding test tube and using pipette
Test tube in laboratory
Test tubes in a test tube rack
Laboratory assistant holding test tube
Scientist using pipette
Woman holding blood sample in test tube
Empty tubes in a test tube rack
Lab assistant holding test tube
Scientist holding test tube rack of wheat seedlings
液体の研究をする30代女性
Pipette adding sample to a test tube in a laboratory
Laboratory worker placing liquid filled test tube in rack. close-up
Female scientist working in laboratory, cropped view
Female scientist working in laboratory, side view
Laboratory assistant conducting experiment, cropped view of hands
Close up of scientist pipetting solution into test tubes in lab
Close up of pipette dropping solution into test tube in rack in lab
Scientist examining samples in test tubes in laboratory
Liquid in test tubes
Test tubes in a holder
Girl using pipette
Robotic arm holding test tube
Robotic arm and test tube
Chemist in protective visor examining test tube, close-up
Person pouring chemical into flask
試験管の液体を見つめる40代研究員
Water science
Close-up of a scientist's hand experimenting in a lab
Lab technician holding test tube in lab
Eppendorf tube with pipette
Micropipette and eppendorf tube
Scientist working
Woman measuring liquid in chemical laboratory
Woman holding micro tube and pipette
Girl wearing mask holding test tube
Test tubes
Laboratory worker writing details on test tube, rear view
Chemist dropping liquid into test tubes, close-up
Microscope and test tubes
Hands holding measuring tube
Glass beakers filled with test tubes, still life, close-up
研究風景
Scientist examining sample in test tube in laboratory
Portrait of young woman in laboratory
Scientist using laboratory equipment
Laboratory worker placing liquid filled test tube into rack, elevated view
Scientist examining test tube in lab
40代男性の研究風景
試験管を見つめる40代研究員
Two man scientists who work at laboratory
Scientist examining test tube in laboratory
試験管を見つめる女性
Close up of test tubes filled with solution in lab
Doctor researching in a laboratory
Close up of rack of test tubes with solution in lab
Laboratory worker examining test tube
Hand and test tubes
Scientist experimenting with liquid chemicals and test tube
Chemistry student pouring liquid into test tube
Scientific research
Pipetting
Scientist viewing chemical experiment in laboratory
Technician holding test tube with liquid in greenhouse