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Rows of test tubes in laboratory, close-up

Rack of test tubes filled with liquid, close-up

Laboratory tubes

Nitrogen inside tubes in laboratory, close-up

Liquid in test tubes

Test tubes in a holder

Test tubes in a holder

Man in laboratory, holding test tubes, close-up

Liquid in test tubes

Test tubes in a holder

Test tubes in a holder

Woman in laboratory, holding tray of test tubes

Mid adult woman injecting liquid into test tube, mid section

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

Germany, Pipetting pink liquid into test tubes, close up

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

Laboratory equipment, close-up

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

Test tubes in a volumetric flask

Mid adult woman in laboratory, examining test tube

Woman in laboratory, holding test tube, close-up

Empty tubes in a test tube rack

Close up of test tubes filled with solution in lab

Rack of test tubes with solution on counter in lab

Test tubes in centrifuge

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

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

Mid adult man in laboratory, holding rack of test tubes

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

Close up of test tubes

Mid adult woman injecting liquid into test tube

Mid adult woman injecting liquid into test tube

Woman adjusting lab tubes in laboratory, focus on tubes

Man injecting liquid into test tube, close-up

Mid adult woman in laboratory, examining test tube

Test tubes in lab

Microscope and test tubes

Microscope and test tubes

Empty test tubes in a holder

Robotic arm holding test tube

Robotic arm and test tube

Test tubes in a test tube rack

Test tubes in a test tube rack

Test tubes containing liquid

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

Man in laboratory, wearing protective gloves, holding test tube

Test tubes

Test tubes

Pipetting into microtubes

Scientist examining liquid in test tubes

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

Test tubes, close up

Laboratory glassware

実験器具

Test tubes

Test tubes

Test tubes

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

Mid adult man in laboratory, holding rack of test tubes

lab technician pipette liquid into test tubes

Pipetting liquid into test tubes

Pipetting liquid into test tubes

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

Mid adult man injecting liquid into test tube

Mid adult man injecting liquid into test tube

試験管

試験管

Microscope and test tubes

tubes,hospital

Lab samples in test tubes

Close up of test tubes with liquid

Test tubes with dye liquid

laboratory/ hand hold test tube with liquid

Test tubes

Drop of oil falling into test tube, close-up

ガラス器具

Flasks, test tubes and mortar on shelf

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Benzoic acid precipitate

Copper sulphate production experiment

Mid adult woman inserting test tube in laboratory

Mid adult woman inserting test tube in laboratory

Test tubes in a tube rack

Test tubes in rack

Test tubes, close up

Test tubes in rack

Test tubes in rack

Test tubes in rack

Test tubes in rack

Empty tubes in a test tube rack

Woman working in laboratory, close-up

Woman working in chemical laboratory

Flasks, test tubes and mortar on shelf against white background

試験管

Chemistry research

Test tubes

Test tubes

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

Chemistry research

Healthcare And Medicine

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

Test tubes in lab

Medical samples in test tubes

Test tubes in a rack

実験器具

Test tubes filled with coloured liquid

Scientific Analysis

Pipette and test tubes

Test tubes and pipette

Test tubes

Test tubes

Test tubes

Test tubes

Pipette dripping liquid into test tube

Pipette in laboratory flask containing transition metal salts

実験室

実験室

Measuring tubes, half filled

Measuring tubes, half filled

Test tubes

Test tubes

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Liquid in test tube

Liquid in test tube

Man holding test tube filled with liquid

Wheat seedlings growing in test tubes, close-up

Water dropping into measuring tubes

実験イメージ

Test tubes in row

実験イメージ

Dropper placing liquid into test tubes

Mid adult woman injecting liquid into test tube

Reaching for a test tube

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Test tubes in rack

Pipette dropping liquid into test tube

Pipette dropping liquid into test tube

Set of tubes,hospital

Variety of laboratory flask containing transition metal salts

Variety of laboratory flask containing transition metal salts

試験管を見つめる女性

Test tubes

Test tubes

試験管

Rack of test tubes with solution on blue counter

Rack of test tubes with solution on blue counter

Rack of test tubes with solution on blue counter

試験管

試験管

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test TubeHealthcare And Medicine,Test Tube

Healthcare And Medicine,Glassware,Utensil,Test Tube,Beaker,Measuring Beaker

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Test tubes with clear liquid

Samples in test tubes

Test tubes and pipette

試験管

Sample tubes on ice

Aesthetic Medical

Scanning biological sample

Cropped view of graduated pipette pipetting liquid into test tubes

Green test tubes

Blue test tubes

Red test tubes

実験器具

Test tubes and pipette

Test tubes and pipette

Test tubes and pipette

Scientist doing experiment

Syringe placing a droplet of liquid in test tube

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

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

Rack of test tubes with solution on counter in lab

実験イメージ

Test tubes in a rack