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Rack of test tubes filled with liquid, close-up

Rows of test tubes in laboratory, close-up

Nitrogen inside tubes in laboratory, close-up

Woman in laboratory, holding tray of test tubes

Laboratory tubes

Mid adult man in laboratory, holding rack of test tubes

Man in laboratory, holding test tubes, close-up

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

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

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

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

Woman adjusting lab tubes in laboratory, focus on tubes

Mid adult woman injecting liquid into test tube, mid section

Mid adult man in laboratory, holding rack of test tubes

Mid adult woman in laboratory, examining test tube

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

Liquid in test tubes

Laboratory equipment, close-up

Mid adult woman injecting liquid into test tube

Mid adult woman injecting liquid into test tube

Mid adult woman in laboratory, examining test tube

Man injecting liquid into test tube, close-up

Glass beakers filled with test tubes, still life, close-up

Liquid in test tubes

Test tubes in rack

Woman in laboratory, holding test tube, close-up

Germany, Pipetting pink liquid into test tubes, close up

Test tubes in a holder

Test tubes in a holder

Mid adult man injecting liquid into test tube

Mid adult man injecting liquid into test tube

Woman in laboratory, holding rack of test tubes

Scientist examining liquid in test tubes

Test tubes

Man holding test tube filled with liquid

Pipetting liquid into test tubes

Pipetting liquid into test tubes

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Liquid in test tube

Liquid in test tube

Test tubes in a holder

Test tubes in a holder

Close up of rack of test tubes with solution in lab

Close up of rack of test tubes with solution in lab

Close up of rack of test tubes with solution in lab

Microtubes

Microtubes

Woman working in laboratory, close-up

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

Man in laboratory, wearing protective gloves, holding test tube

Liquid-filled test tubes in rack

Liquid-filled test tubes in rack

Wheat seedlings growing in test tubes, close-up

Empty tubes in a test tube rack

Mid adult woman in laboratory inserting test tube into tray

実験器具

Chemist adding liquid to test tubes in rack, close-up

Measuring tubes, half filled

Measuring tubes, half filled

Mid adult woman injecting liquid into test tube

Rack of test tubes with solution on counter in lab

Close up of test tubes filled with solution in lab

lab technician pipette liquid into test tubes

Test tubes in rack

Man in laboratory, pouring liquid into row of test tubes

Scientist holding a test tube above a rack with liquid-filled test tubes

Mid adult woman inserting test tube in laboratory

Mid adult woman inserting test tube in laboratory

Man in laboratory, pouring liquid into row of test tubes

laboratory/ hand hold test tube with liquid

Test tubes in a volumetric flask

Test tubes containing liquid

Woman measuring liquid in chemical laboratory

Flasks, test tubes and mortar on shelf

Test tubes

Test tubes in a test tube rack

Test tubes in a test tube rack

Test tubes with different coloured liquids in rack

Flasks, test tubes and mortar on shelf against white background

Test tubes, close up

Mid adult man inserting test cups in laboratory

Mid adult woman in laboratory inserting test tube into tray

Mid adult woman in laboratory inserting test tube into tray

Sample being pipetted into a rack of test tubes inside a fume cupboard during a scientific experiment in a laboratory

Sample being pipetted into a rack of test tubes inside a fume cupboard during a scientific experiment in a laboratory

Pipetting into microtubes

lab technician pipette liquid into test tubes

lab technician pipette liquid into test tubes

Test tubes filled with coloured liquid

Test tubes with colored liquid inside in rack, close-up

Test tubes with colored liquid inside in rack, close-up

Laboratory glassware

tubes,hospital

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

Pipetting into microtubes

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

Water dropping into measuring tubes

Overhead view of test tubes with colored liquid inside in rack

実験室

実験室

Close up of beakers with solutions on shelf in lab

Close up of beakers with solutions on shelf in lab

Beakers with solution on shelf in lab

Close up of beakers with solution on shelf in lab

Close up of beakers with solution on shelf in lab

Close up of beakers with solution on shelf in lab

Row of test tubes

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Sample tubes on ice

Test tubes in centrifuge

Empty test tubes in a holder

Scientist injecting liquid in petri dish

Test tubes in rack

Test tubes in rack

Test tubes in rack

Test tubes in rack

Close up of test tubes with liquid

ガラス器具

Empty tubes in a test tube rack

Microscope and test tubes

Microscope and test tubes

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Scientist doing experiment

Scientist doing experiment

Scientist doing experiment

Man taking tube from laboratory machinery, close-up

液体の研究をする30代女性

試験管

試験管

Cropped view of graduated pipette pipetting liquid into test tubes

Test tubes in lab

Test tubes

Test tubes

Test tubes

Laboratory glassware

Laboratory glassware

Laboratory glassware

Test tubes

Test tubes

Pipetting into microtubes

Pipetting into microtubes

Benzoic acid precipitate

Copper sulphate production experiment

Chemistry research

Rack of test tubes with solution on counter in lab

High angle cropped view of graduated pipette pipetting liquid into test tubes

High angle cropped view of graduated pipette pipetting liquid into test tubes

DNA strand and liquid-filled test tube

Low angle view of graduated pipette pipetting liquid into test tube

Low angle view of graduated pipette pipetting liquid into test tube

Robotic arm holding test tube

Robotic arm and test tube

実験イメージ

実験イメージ

実験イメージ

Woman working in chemical laboratory

Measuring tube and jar filled with green and orange liquid

Close up of test tubes

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Close-up of petri dish test tubes and pipette in laboratory

Test tubes in rack, close-up

Test tubes in rack, close-up

Test tubes in rack, close-up

Test tubes in rack, overhead view

Test tubes in rack, overhead view

Test tubes in rack, close-up

Chemistry research

Test tubes with different color liquid

Mid adult man in laboratory, holding test tube

Mid adult man in laboratory, holding test tube

Pipette dripping liquid into test tube

Test tubes with dye liquid

Test tubes

Test tubes

試験管

Test tubes in rack with one pipette inside, low angle.

Flasks, petri dish, rat tubes in rack, high angle

Dropping liquid into test tubes with a pipette

Close-up of pipette and colored liquid in test tubes

Close-up of test tubes with colored liquid inside

Close-up of test tubes with colored liquid inside

Test tubes in a tube rack

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