399 résultats pour : test tube

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Hispanic scientist examining blood sample in laboratory

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Hispanic scientist examining blood sample in labor...

Mixed race scientist pipetting solution into test tubes in lab

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Mixed race scientist pipetting solution into test ...

Mixed race scientist pipetting solution into test tubes in lab

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Mixed race scientist pipetting solution into test ...

Mixed race scientist pipetting liquid into test tubes in laboratory

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Mixed race scientist pipetting liquid into test tu...

Hispanic student examining test tube in science class

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Hispanic student examining test tube in science cl...

Mixed race scientist pipetting solution into test tubes in lab

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Mixed race scientist pipetting solution into test ...

Hispanic student doing experiment in science class

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Hispanic student doing experiment in science class

Hispanic researcher holding vial of blue liquid

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Hispanic researcher holding vial of blue liquid

Mixed race scientist dropping leaf in test tube

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Mixed race scientist dropping leaf in test tube

Close up of microscope in laboratory

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Close up of microscope in laboratory

Korean scientist using microscope in laboratory

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Korean scientist using microscope in laboratory

Students doing experiment in science class

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Students doing experiment in science class

Scientists working in laboratory

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Scientists working in laboratory

Scientists working in laboratory

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Scientists working in laboratory

Scientists working in laboratory

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Scientists working in laboratory

Scientists working in laboratory

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Scientists working in laboratory

Scientist using microscope in laboratory

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Scientist using microscope in laboratory

Teacher and students working in science lab

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Teacher and students working in science lab

Hispanic researcher mixing vials of liquid

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Hispanic researcher mixing vials of liquid

Hispanic researcher holding vials of red and blue liquid

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Hispanic researcher holding vials of red and blue ...

Hispanic student examining test tube in science class

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Hispanic student examining test tube in science cl...

Students doing experiment in science class

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Students doing experiment in science class

Scientists working in laboratory

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Scientists working in laboratory

Scientists working in laboratory

TTM22A44_087

Scientists working in laboratory

Lab technician looking through microscope

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Lab technician looking through microscope

Mixed race scientist mixing solution in lab

TTM22A71_249

Mixed race scientist mixing solution in lab

Hispanic scientist examining test tube in lab

TTM22B39_356

Hispanic scientist examining test tube in lab

Smiling mixed race teenage girl conducting science experiment

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Smiling mixed race teenage girl conducting science...

Mixed race teenage girl looking through microscope

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Mixed race teenage girl looking through microscope

Hispanic scientist pipetting blood sample in laboratory

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Hispanic scientist pipetting blood sample in labor...

Hispanic scientist pipetting blood sample

TTM22B39_392

Hispanic scientist pipetting blood sample

Hispanic scientist holding blood samples in test tube rack in laboratory

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Hispanic scientist holding blood samples in test t...

Hispanic scientist testing blood sample in laboratory centrifuge

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Hispanic scientist testing blood sample in laborat...

Hispanic scientist holding blood samples in test tube rack in laboratory

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Hispanic scientist holding blood samples in test t...

Hispanic scientist pipetting blood sample

TTM22B39_393

Hispanic scientist pipetting blood sample

Mixed race teenage girl using laptop computer in science lab

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Mixed race teenage girl using laptop computer in s...

Hispanic scientist examining blood samples in laboratory

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Hispanic scientist examining blood samples in labo...

Mixed race teenage girl doing experiment in science lab

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Mixed race teenage girl doing experiment in scienc...

Hispanic scientist holding test tube containing sprout

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Hispanic scientist holding test tube containing sp...

Hispanic scientist holding test tube with caution symbol containing sprout

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Hispanic scientist holding test tube with caution ...

Hispanic scientist holding test tube full of water

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Hispanic scientist holding test tube full of water

Hispanic scientist holding test tube containing corn

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Hispanic scientist holding test tube containing co...

Hispanic scientist holding test tube with caution symbol containing

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Hispanic scientist holding test tube with caution ...

Hispanic scientist holding test tube full of water

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Hispanic scientist holding test tube full of water

Hispanic scientist holding test tube full of water

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Hispanic scientist holding test tube full of water

Hispanic scientist holding test tube with caution sticker full of water

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Hispanic scientist holding test tube with caution ...

Hispanic scientist holding test tube containing sprout

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Hispanic scientist holding test tube containing sp...

Caucasian scientist mixing liquid in laboratory

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Caucasian scientist mixing liquid in laboratory

female scientist with test tube in green field

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female scientist with test tube in green field

Senior Caucasian scientists working in lab

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Senior Caucasian scientists working in lab

Senior Caucasian scientists working in lab

TTM22A87_438

Senior Caucasian scientists working in lab

female scientist with test tube in green field

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female scientist with test tube in green field

Senior Caucasian scientists working in lab

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Senior Caucasian scientists working in lab

African scientist performing analysis in laboratory with microscope

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African scientist performing analysis in laborator...

African scientists performing analysis in laboratory

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African scientists performing analysis in laborato...

African scientist performing analysis in laboratory

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African scientist performing analysis in laborator...

African scientist performing analysis in laboratory

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African scientist performing analysis in laborator...

Caucasian scientist wearing clean suit examining seedling

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Caucasian scientist wearing clean suit examining s...

Caucasian scientist wearing clean suit pouring liquid on seedling

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Caucasian scientist wearing clean suit pouring liq...

Caucasian scientist surprised in laboratory

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Caucasian scientist surprised in laboratory

Caucasian scientist using microscope in laboratory

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Caucasian scientist using microscope in laboratory

Surprised Caucasian scientist

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Surprised Caucasian scientist

Hand holding pipette dripping blue liquid into test tubes

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Hand holding pipette dripping blue liquid into tes...

Caucasian scientist holding syringe and test tube

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Caucasian scientist holding syringe and test tube

Hand holding magnifying glass on plants growing in test tubes

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Hand holding magnifying glass on plants growing in...

Lab technician in laboratory high angle view

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Lab technician in laboratory high angle view

Lab technician standing at counter in laboratory

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Lab technician standing at counter in laboratory

Black student working in science lab

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Black student working in science lab

Lab technician holding test tube from freezer in laboratory close-up of hand

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Lab technician holding test tube from freezer in l...

Lab technician opening freezer full of test tubes in laboratory close-up of hand

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Lab technician opening freezer full of test tubes ...

Caucasian scientist holding purple liquid in test tube

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Caucasian scientist holding purple liquid in test ...

Caucasian scientist placing cherries into purple liquid

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Caucasian scientist placing cherries into purple l...

Caucasian scientist pouring green liquid into beaker

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Caucasian scientist pouring green liquid into beak...

Caucasian scientist pouring red liquid into test tube

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Caucasian scientist pouring red liquid into test t...

Mixed race boy sitting in classroom science lab

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Mixed race boy sitting in classroom science lab

Mixed race boy experimenting in classroom science lab

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Mixed race boy experimenting in classroom science ...

Middle Eastern scientist holding specimen in vial

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Middle Eastern scientist holding specimen in vial

Caucasian scientist placing plant in pink liquid

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Caucasian scientist placing plant in pink liquid

Chemist combining colorful liquids in laboratory glassware

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Chemist combining colorful liquids in laboratory g...

Pipette dropping liquid into test tube

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Pipette dropping liquid into test tube

Laboratory glassware with colorful liquids

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Laboratory glassware with colorful liquids

Pipette dropping liquid into test tube

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Pipette dropping liquid into test tube

Mixed race woman holding test tubes of herbs

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Mixed race woman holding test tubes of herbs

Student examining sample in science lab classroom

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Student examining sample in science lab classroom

Black scientist looking at herb in test tube

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Black scientist looking at herb in test tube

Hispanic scientist testing blood sample in laboratory centrifuge

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Hispanic scientist testing blood sample in laborat...

African scientist wearing safety goggles in laboratory

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African scientist wearing safety goggles in labora...

Hispanic scientist pipetting blood sample in laboratory

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Hispanic scientist pipetting blood sample in labor...

Mixed race scientist using digital tablet in laboratory

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Mixed race scientist using digital tablet in labor...

Mixed race scientist pipetting sample into test tube in laboratory

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Mixed race scientist pipetting sample into test tu...

African scientist performing analysis in laboratory

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African scientist performing analysis in laborator...

Mixed race scientist pipetting sample into test tube in laboratory

TTM22B41_143

Mixed race scientist pipetting sample into test tu...

African scientist performing analysis in laboratory

TTM22A87_092

African scientist performing analysis in laborator...

Vietnamese student doing science experiment in classroom

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Vietnamese student doing science experiment in cla...

Senior Caucasian scientist testing samples in lab

TTM22A87_451

Senior Caucasian scientist testing samples in lab

Senior Caucasian scientist examining samples in lab

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Senior Caucasian scientist examining samples in la...

Senior Caucasian scientist examining samples in lab

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Senior Caucasian scientist examining samples in la...

Indian scientist working in laboratory

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Indian scientist working in laboratory

Hispanic scientist examining test tubes in lab

TTM22B39_345

Hispanic scientist examining test tubes in lab

Hispanic scientist working in lab

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Hispanic scientist working in lab

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