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Measuring cylinder, close up

Measuring cylinder filled with coloured liquid

Beaker filled with coloured liquid

Beaker and pipette with liquids

Measuring beaker

Measuring cylinders

Beaker filled with coloured liquid

Beaker filled with coloured liquid

Measuring cylinders and beaker filled with coloured liquid

Test tubes filled with coloured liquid

Test tubes, close up

Test tubes in rack

Test tubes in rack

Test tubes in rack

Test tubes in rack

Laboratory equipment, extreme close-up

試験管

試験管

試験管

試験管

試験管

Centrifuge tube containing a sample

Microscope and test tubes

Microscope and test tubes

Test tubes in a test tube rack

Test tubes in a test tube rack

Test tubes containing liquid

Test tubes in a holder

Test tubes in a holder

ガラス器具

Test tubes, close up

Pipetting

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

Hand holding test beaker filled with coloured liquid

試験管

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

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

Flasks, test tubes and mortar on shelf against white background

Flasks, test tubes and mortar on shelf

試験管とスポイト

Illustration Technique, Measuring Beaker, Test Tube,

Empty tubes in a test tube rack

Test tubes and pipette

Test tubes and pipette

Test tubes and pipette

Pipetting liquid

Plant research, conceptual image

Germany, Pipetting pink liquid into test tubes, close up

Human hand holding beakers filled with coloured liquid

Medical

Test tube with red liquid

Liquid in test tube

Liquid in test tube

Healthcare And Medicine

Healthcare And Medicine

Red test tubes

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

Plant research, conceptual image

試験管

試験管

試験管

ガラス器具

水の中の試験管

水の中の試験管

試験管とスポイト

Laboratory beakers, close-up

水の中の試験管

水の中の試験管

Laboratory tests

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

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

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

Aesthetic Medical

Nitrate test using acid

Test tube with steaming pink liquid

試験管

Liquid in test tubes

Person holding a centrifuge tube

Test tubes

Red cultures in petri dish among empty dishes in lab

Warning sign of flammability, close-up

Empty tubes in a test tube rack

Pipettor dipensing fluid into test tubes

Chemistry research

Liquid in measuring cylinder

Test tubes in a holder

Test tubes in a holder

Test tubes in a volumetric flask

試験管とスポイト

試験管

試験管とスポイト

試験管とスポイト

Close up of test tubes

試験管とスポイト

Copper reacting with nitric acid

Test tubes

Test tubes

Test tubes

Test tubes

Test tubes

Test tubes

Test tubes

Pipette adding sample to a test tube in a laboratory

Pipette adding sample to a test tube in a laboratory

Test tubes in lab

Eppendorf tube with pipette

Eppendorf tube with pipette

Micropipette and eppendorf tube

Micropipette and eppendorf tube

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Medical samples in test tubes

Dropper placing liquid into test tubes

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

Test tubes

Test tubes

Coloured solution in a measuring cylinder

Scientist holding empty test tube

実験イメージ

Laboratory Test & Medicines

Green test tubes

Blue test tubes

試験管とスポイト

Test tubes in rack

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

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

Close up of test tubes filled with solution in lab

Rack of test tubes with solution on counter in lab

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

シャーレとスポイト

シャーレとスポイト

Microscope and test tubes

Test tubes in lab

Empty test tubes in a holder

Aluminium precipitate in sodium hydroxide

Aluminium in excess sodium hydroxide

Biochemical research

複数の試験管

複数の試験管

Liquid in test tubes

Pipette dripping liquid into test tube

Multi well plate with pipette

Lap beakers and flasks

試験管とスポイト

試験管とスポイト

試験管とスポイト

実験イメージ

Pipette dropping liquid into test tubes

実験器具

Medical

Variety of laboratory flask containing transition metal salts

実験イメージ

ガラス器具

Green cultures in petri dish among empty dishes in lab

Chemistry research

Drop of oil falling into test tube, close-up

Test tubes in a tube rack

実験イメージ

試験管

Test tubes with dye liquid

実験器具

実験器具

実験室

Laboratory tubes

Samples in test tubes

Pipetting sample

Pipetting sample

Pipetting sample

Pipetting sample

Pipetting sample

Pipetting sample

Pipetting sample

実験イメージ

試験管

実験器具

Lab samples in test tubes

ガラス器具

ガラス器具

試験管

Pipette dropping liquid into test tubes

Test tubes illuminated by red and green light

Test tubes

Test tubes

Laboratory glassware

Laboratory glassware

Universal indicator in water

ガラス器具

実験イメージ

Test tubes

Close-up of computer modem cable