5 369 Photos gratuites de Test

science santé médicament hôpital médecine recherche scientifique technologie aéronefs espace cœur

Students testing water quality

éducation jeunesse

SpinSat Investigation Tests

véhicule terre

Mars Lander's Solar Arrays

planète mars solaire

Water quality testing-1

éducation jeune

Washington Park International Rose Test Garden

printemps nature

Seeds are secured in plant pillows for the Veggie plant growth system inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida.

Crew Dragon Pressure Vessel

Space Launch System Rocket

véhicule espace

Water quality using test strips

éducation gens

Boosters for Orion Spacecraft

véhicule spatial fusée

A close-up view of the Orion crew module from Exploration Flight Test 1 on display at nearby NASA Kennedy Space Center Visitor Complex in Florida.

véhicule spatial espace

Scientist testing with virus through test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

médicament science

Firebolt fires a Griffin missile

Experimental Wing Tests Electric Propulsion Technologies

technologie vol

Outdoor education using water quality test strips

éducation jeunesse

Dream Chaser flight vehicle systems

véhicule aéronefs

Liftoff of SpaceX

véhicule espace

Electric Multimeter

électricité outils

Dream Chaser flight vehicle systems

véhicule aéronefs

NASA Tail Technology

véhicule aéronefs

Field Testing

bâtiment hiver

Spitzer Space Telescope into orbit around the Sun

hand crib

contexte école

Board Chalk Chalkboard

Shape Changing Wing Flaps

Pouring Whiskey into glasses at Maker's Mark

Prandtl-D Research Aircraft

véhicule aéronefs

Conducting exam labor

Test Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist holding bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

médecine science

Orion Crew Module

Four test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Biologist conducts a swim test on a large Rainbow trout

poissons montana

school class journal

éducation école

Engineers built a tank identical to the Space Launch System tank

véhicule spatial espace

A scientist holding a culture test plate. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

contrôle science

Crew Dragon Pad Abort Test (2015).

véhicule spatial fusée

Orbital Test Vehicle 5 Mission (2017).

véhicule spatial des nuages

Biologist conducts a swim test on a large Rainbow trout-1

poissons montana

Biologist conducts a swim test on a large Rainbow trout-2

poissons montana

Avrocar Test in Ames 40x80 Foot Wind Tunnel. Rear view of the Avrocar with tail, mounted on variable height struts. Overhead doors of the wind tunnel test section open. Apr 3rd, 1961.

A scientist testing a sample suspected of containing a bacterial toxin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

contrôle guérir

class journal

éducation école

Biologist conducts a swim test on a large Rainbow trout-1

poissons montana

Raptor testing (2016).

Doctors Stethoscope

médicament science

Conducting doctor exam

Orbital Test Vehicle 5 Mission (2017).

Lab technician adding a solution to an Enzyme–Linked Immunosorbent Assay (ELISA) plate Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Crew Dragon Pad Abort Test (2015).

Crew Dragon Pad Abort Test (2015).

atmosphère dragon

Biologist conducts a swim test on a large Rainbow trout-2

équipement poissons

A Female Doctor Examining A Patient

médicament santé

Flight Test in the Roverscape at NASA's Ames Research Center.

Launch of Little Joe-2 from Wallops Island carrying Mercury spacecraft test article.

technologie science

Dan bitcoin

handsome young man reading

Medical Stethoscope Instrument

médicament science

Stethoscope on White Background

médicament science

Stethoscope Medical Device

médicament science

Isolated blue stethoscope

médicament science

laser scientific optical system

technologie vert

The USS Anchorage is being prepared for the Orion Underway Recovery Test 2.

véhicule bateau

Rendered image of Lunar Crater Observation and Sensing Satellite crashing into the moon to test for the presence of water.

astronomie espace

Blue Stethoscope on White Background

médicament science

Stethoscope - Doctor Instrument

médicament science

Mobile Service Tower Rolled Back for Orion Flight Test

véhicule spatial fusée

Coronavirus Disease

UH-60 (NASA-748) Sling Load Test for Dynamic Response.

militaire armée

Test, Experiment, Medicine

expérimentation médicament

Child Education

enfants meubles

APOLLO XII - countdown demonstration test (CDDT).

lumière saturne

laser scientific optical system

technologie vert

Microbiologist preparing for antibody testing. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

médicament science

Doctor exam eye

Conducting doctor exam

ATK Solar Array Deployment Test at NASA Plum Brook Station Space Power Facility.

lumière espace

Coronavirus Disease

Scientist removes cell growth medium from a 6–well plate in preparation for a plaque assay, which is a test that allows scientists to count how many flu virus particles (virions) are in a mixture. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

médicament science

The Helios Prototype is an enlarged version of the Centurion flying wing, which flew a series of test flights at Dryden in late 1998.

militaire armée

Stethoscope Instrument

Medical Stethoscope

Use your brain

A tilt-rotor MV-22 Osprey

militaire véhicule

scientist doing research in a quantum optics lab

étudiant école

Blue stethoscope

Stethoscope on White

This photograph shows the Vehicle System Test Bed rover, a nearly identical copy to NASA's Curiosity rover on Mars.

technologie véhicule

Black Stethoscope

Stethoscope Instrument

James Webb Space Telescope's Heart Survives Deep Freeze Test

Stethoscope - Medical Device

Plant

Stethoscope - Medical Instrument

Water Type Muffler Test of aircraft at NASA Langley Research Center. May 13th, 1957.

aéronefs armée

This photograph shows the Vehicle System Test Bed rover, a nearly identical copy to NASA's Curiosity rover on Mars.

technologie véhicule

Young pasha exam

Astronaut Mark C. Lee floats freely as he tests the new Simplified Aid for EVA Rescue (SAFER) system.

technologie espace

An F/A-18 Hornet releases MK-83 1000 pound bombs

militaire véhicule

Doctor exam eye

101 - 200 sur 5 369 Page suivante

/ 54