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Nitrogen inside tubes in laboratory, close-up

Woman adjusting lab tubes in laboratory, focus on tubes

Laboratory tubes

Rows of test tubes in laboratory, close-up

Laboratory equipment, close-up

Woman working in laboratory, close-up

Woman in laboratory, holding test tube, close-up

Man in laboratory, wearing protective gloves, holding test tube

Rack of test tubes filled with liquid, close-up

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

Mid adult man in laboratory, holding rack of test tubes

Mid adult woman in laboratory inserting test tube into tray

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

Mid adult woman inserting test tube in laboratory

Mid adult woman inserting test tube in laboratory

Woman in laboratory, holding rack of test tubes

Woman working in chemical laboratory

Mid adult woman in laboratory inserting test tube into tray

Mid adult woman in laboratory inserting test tube into tray

液体の研究をする30代女性

Mid adult man inserting test cups in laboratory

Scientist examining liquid in test tubes

Liquid in test tubes

lab technician pipette liquid into test tubes

Germany, Pipetting pink liquid into test tubes, close up

Test tubes in a holder

Test tubes in a holder

laboratory/ hand hold test tube with liquid

Woman in laboratory, holding tray of test tubes

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

液体の研究をする30代女性

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

Rack of test tubes with solution on counter in lab

Man taking tube from laboratory machinery, 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

試験管を見つめる女性

Rack of test tubes with solution on counter in lab

Liquid in test tubes

Test tubes in a holder

Test tubes in a holder

Test tubes in a volumetric flask

Mid adult man in laboratory, holding rack of test tubes

Flasks, test tubes and mortar on shelf

Flasks, test tubes and mortar on shelf against white background

Water science

Water science

Water science

Man adjusting metre in laboratory, mid section

Mid adult man working in laboratory

Mid adult man working in laboratory

Mid adult man in laboratory, holding test tube

Mid adult man in laboratory, holding test tube

Mid adult man adjusting laboratory equipment, holding test tube

Mid adult woman injecting liquid into test tube, mid section

Scientist looking at test tube

Man in laboratory, holding test tubes, close-up

Pipetting into microtubes

Scientist filling test tubes in lab

Person pouring chemical into flask

Scientist experimenting in laboratory

Laboratory glassware

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

顕微鏡を覗く女性研究員

Test tubes

Doctor researching in a laboratory

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

Close up of scientist pipetting solution into test tubes in lab

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

Scientist working in the chemical laboratory

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

Test tubes in centrifuge

試験管を見る女性研究者

顕微鏡を覗く女性研究員

実験をする30代女性

スポイトでシャーレに液体を入れる30代女性

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

Man looking at monitor in laboratory

Mid adult woman working in laboratory

試験管を見つめる40代研究員

試験管の液体を見つめる40代研究員

試験管を持つ20代女性研究員

Test tubes in lab

Man in laboratory, pouring liquid into row of test tubes

Microscope and test tubes

Microscope and test tubes

Copper sulphate production experiment

Benzoic acid precipitate

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

Micropipette and eppendorf tubes

液体の研究をする30代女性

Robotic arm holding test tube

Robotic arm and test tube

Girl using pipette

Petri dish

Petri dish

Test tubes in a test tube rack

Test tubes in a test tube rack

Mid adult woman in laboratory, examining test tube

Scientist holding 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

Biological research, conceptual image

Blood testing

Biological research, conceptual image

Biological research, conceptual image

Biochemical research

顕微鏡を覗く女性研究員

Pipetting liquid into test tubes

Pipetting liquid into test tubes

Scientist using equipment in lab

lab technician pipette liquid into test tubes

lab technician pipette liquid into test tubes

試験管を覗く30代女性研究員

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

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

実験をする研究員

実験をする研究員

実験器具

Scientist injecting liquid in petri dish

試験管を見る男性研究者

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,

Biological research, conceptual image

顕微鏡をのぞいている女性研究者

Laboratory Test & Medicines

Laboratory Test & Medicines

Laboratory Test & Medicines

Scientist writing on test tube

Scientist holding test tube

Scientist holding test tube

Scientist holding test tube

Measuring tubes, half filled

Measuring tubes, half filled

Laboratory bottles and tubes

Laboratory bottles and tubes

Laboratory bottles and tubes

液体の研究をする男性

hand with laboratory glassware

Water dropping into measuring tubes

Scientist pouring liquid into measuring beaker

40代男性の研究風景

Scientist dropping liquid into bottle

Test tubes in rack

Scientist examining test tube in lab

Medical

Petri dish

Petri dish

Petri dish

Petri dishes

Petri dishes

Petri dishes

Petri dish

Lab samples in test tubes

Microscope and test tubes

Sample tubes on ice

Scientist holding dropper and test tube

Scanning biological sample

Man in laboratory, pouring liquid into row of test tubes

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

Test tubes in a laboratory

研究している女性研究者

Scientist pouring liquid into beaker

Empty tubes in a test tube rack

Blood testing

Glass chemical equipment in a chemistry lab

Empty test tubes in a holder

Researcher holding biological samples

Blood testing

Scientist dropping liquid into beaker

Microtubes

Microtubes

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

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

Mid adult woman in laboratory, examining test tube

Mid adult woman in laboratory, plugging in metre

ガラス器具

Scientist examining samples in lab

Scientist examining liquid in test tubes

Scientist pouring liquid into test tube