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Mid adult man adjusting laboratory equipment, holding test tube

Mid adult woman adjusting laboratory equipment

Mid adult woman adjusting laboratory equipment

Mid adult woman adjusting laboratory equipment

Mid adult woman inserting test tube in laboratory

Mid adult woman inserting test tube in laboratory

Mid adult woman in laboratory inserting test tube into tray

Mid adult woman in laboratory inserting test tube into tray

Mid adult man in laboratory, holding test tube

Mid adult man in laboratory, holding test tube

Mid adult woman in laboratory inserting test tube into tray

Mid adult woman in laboratory, plugging in metre

Man in laboratory, wearing protective gloves, holding test tube

Mid adult woman injecting liquid into test tube

Man in laboratory, tightening lid on test tube, close-up

Man adjusting metre in laboratory, mid section

Woman in laboratory, holding test tube, close-up

Man in laboratory, tightening lid on test tube, close-up

Man holding test tube filled with liquid

Mid adult woman injecting liquid into test tube, mid section

Woman taking test tube from row of test tubes, close-up

Woman adjusting lab tubes in laboratory, focus on tubes

Mid adult man in laboratory, working on computer

Mid adult woman monitoring equipment in laboratory

Woman working in laboratory, close-up

Woman in laboratory, holding rack of test tubes

Man in laboratory, pouring liquid into row of test tubes

Woman in laboratory, using computer

Man taking tube from laboratory machinery, close-up

Mid adult woman in laboratory, using computer

Mid adult woman in laboratory, using computer

Mid adult man using laboratory equipment, close-up

Mid adult man in laboratory, holding rack of test tubes

Man looking at monitor in laboratory

Mid adult man working in laboratory

Mid adult man working in laboratory

Mid adult woman injecting liquid into test tube

Mid adult woman injecting liquid into test tube

Mid adult man inserting test cups in laboratory

Mid adult woman working in laboratory

Mid adult man working in laboratory

Mid adult man in laboratory, inserting liquid into glass flask

Mid adult woman looking at test sheet in laboratory

Mid adult man in laboratory, looking at liquid in glass flask

Mid adult man injecting liquid into test tube

Mid adult man injecting liquid into test tube

Mid adult woman in laboratory, examining test tube

Man in laboratory, pouring liquid into row of test tubes

Nitrogen inside tubes in laboratory, close-up

Mid adult man in laboratory, reading label of bottle

Male and female co-workers having discussion in laboratory

Male and female co-workers having discussion in laboratory

Chemistry student with test tubes

Man in laboratory, holding test tubes, close-up

Mid adult woman in laboratory, examining test tube

Woman in laboratory, wearing protective gloves, typing on monitor, close-up

Mid adult man in laboratory, holding rack of test tubes

Laboratory equipment, close-up

Scientist looking at test tube

laboratory/ hand hold test tube with liquid

Man injecting liquid into test tube, close-up

Man in laboratory, holding tube of liquid, close-up

Scientist holding dropper and test tube

Scientist holding dropper and test tube

Female scientist filling test tube in laboratory, side view

Scientist placing test tube with solution in rack in lab

Rack of test tubes with solution on counter in lab

Scientist holding test tube

Scientist holding test tube

Scientist holding test tube

Scientist holding test tube

Scientist picking test tube out of rack on counter in lab

Scientist holding test tube rack

Scientist writing on test tube

Man pressing button on machine containing cups of liquid, close-up

Scientist looking at test tube

Scientist pouring liquid into test tube

Scientist pouring liquid into test tube

Woman using computer in chemical laboratory

Laboratory tubes

Lab technician holding test tubes

One woman holding up test tube with liquid

Close up of scientist pipetting solution into test tubes in lab

Man in laboratory, holding tube of liquid, close-up

Scientist using pipette with test tubes

lab technician pipette liquid into test tubes

Woman in laboratory, holding tray of test tubes

Man holding cup with liquid test fluid in laboratory, close-up

Rows of test tubes in laboratory, close-up

試験管を覗く30代女性研究員

Scientist holding test tube

Scientist picking test tube out of rack on counter in lab

Female doctor holding medical samples in a laboratory

Scientist holding test tube and using pipette

Scientist holding test tubes

Scientist working in the chemical laboratory

顕微鏡を覗く女性研究員

Laboratory assistant holding test tube

Scientist examining liquid in test tubes

Lab assistant holding test tube

Scientist holding a test tube

Lab technician using pipette

Lab technician using pipette

Lab technician using pipette

Woman working in chemical laboratory

Woman working in chemical laboratory

液体の研究をする30代女性

Scientist doing litmus test

Portrait of mid adult man in laboratory, wearing safety goggles

Female scientist working in laboratory, cropped view

Female scientist working in laboratory, side view

Female scientist working in laboratory, cropped view

Female scientist working in laboratory, side view

Laboratory assistant conducting experiment, cropped view of hands

Rack of test tubes filled with liquid, close-up

Scientist examining samples in test tubes in laboratory

研究風景

Scientist pouring liquid into test tube

Test tube in laboratory

Chemist in protective visor examining test tube, close-up

試験管の液体を見つめる40代研究員

Close-up of a scientist's hand experimenting in a lab

Scientist examining liquid in test tubes

実験をする研究員

Test tubes in a test tube rack

Test tubes in a test tube rack

Lab technician holding test tube in lab

Lab technician holding test tube in lab

Scientist using pipette

Scientist using pipette

Scientist using pipette

Scientist working

Woman holding blood sample in test tube

Woman holding blood sample in test tube

Chemistry student using pipette

Woman measuring liquid in chemical laboratory

Empty tubes in a test tube rack

Empty tubes in a test tube rack

Scientist using laboratory equipment

Laboratory worker writing details on test tube, rear view

Chemist dropping liquid into test tubes, close-up

lab technician pipette liquid into test tubes

研究風景

Scientist examining sample in test tube in laboratory

Scientist holding test tube rack of wheat seedlings

Scientist holding a test tube

Mid adult man in laboratory, looking at liquid in glass flask

実験をする研究員

Laboratory worker placing liquid filled test tube in rack. close-up

Laboratory worker placing liquid filled test tube into rack, elevated view

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter 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

Pipette adding sample to a test tube in a laboratory

Pipette adding sample to a test tube in a laboratory

Close up of pipette dropping solution into test tube in rack in lab

Doctor researching in a laboratory

液体の研究をする30代女性

Lab technician holding test tubes

Lab technician holding test tubes

Liquid in test tubes

Laboratory worker examining test tube

Test tubes in a holder

Test tubes in a holder

Hand and test tubes

Chemistry student pouring liquid into test tube

Girl using pipette

Scientist viewing chemical experiment in laboratory

Scientist viewing chemical experiment in laboratory

Scientist examining green liquid in tube

Chemical research

Lab assistant using pipette

Technician holding test tube with liquid in greenhouse

Robotic arm holding test tube

Robotic arm and test tube

Laboratory worker writing details on test tube

Laboratory worker writing details on test tube

Technician holding test tube with plant

Water science

Person pouring chemical into flask

試験管を持つ20代女性研究員

Laboratory worker examining liquid in test tube

Laboratory worker holding test tube rack

Laboratory worker examining liquid filled test tube

Scientist in clean suit examining sample in test tube in laboratory

Scientist using equipment in lab

Senior scientist working at laboratory

Technician using multipipette in lab

Scientist filling test tubes in lab

Eppendorf tube with pipette

Eppendorf tube with pipette

Micropipette and eppendorf tube

Micropipette and eppendorf tube

Scientist dropping liquid in test tubes

Low angle view of graduated pipette pipetting liquid into test tube

Low angle view of graduated pipette pipetting liquid into test tube

Scholar who shakes test tube in laboratory