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709 695 résultats pour test dans vidéos

4K Close up of pencil being used on a multiple choice test paper
00:33
TV colour bars test card screen. SMPTE Television Color Test Calibration Bars. Test card. SMPTE color bars. Graphic for footage video and 1Khz Sine Wave
00:28
Close-up of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens. Shot on RED EPIC-W 8K Helium Cinema Camera.
00:12
Portrait of female doctor talking with young patient sitting on couch in clinic. Physician giving consultation a woman during medical examination in office. Medicine and treatment concept. 4k video.
00:09
Scantron Test Paper
00:16
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
Woman face, blue eyes and vision focus, thinking idea and contact lenses to see, eyesight and awareness. Closeup macro on face, eyeball and optometry test stare with awake perception of human anatomy
00:11
Food production review: Two food industry professionals collaborate during an inspection, wearing protective gear amidst the clean industrial setting.
00:15
hand with pencil taking a multiple choice test
00:18
Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
over shoulder doctor writing on a form for a blood test
00:18
after the test, the doctor puts the blood tests in a pallet
00:06
Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.
00:19
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
Evaluation or measurement concept. Student testing in exercise taking fill in exam at school or university in test room, writing document exams paper at campus classroom, education back to school idea
00:09
A scientist in his laboratory holds a test tube containing DNA and is able to control the evolution of man thanks to holography. Concept of: DNA, technology, augmented reality.
00:14
Beta Concept Futuristic Glowing Neon Text Over Binary Code Background
00:08
Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept
00:25
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
Dental Consultation: A dentist and patient collaborate in a modern dental office, examining an X-ray to gain insights for optimal oral health.
00:08
Close-up of the process of taking blood from the vein from man for biochemical blood testing. Preparation for blood test with by phlebotomist technician doctor in medical clinic.
00:56
Lab Research Test Tubes
00:08
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Glass test tubes with liquid on white background.
00:12
The blood analysis. Analysis to identify the HIV virus.
00:13
A confident mature woman scientist stands with arms crossed in a well-equipped laboratory, surrounded by scientific equipment.
00:09
Nurse puts a bar code on a test tube with a blood test
00:11
Dynamic Chemical Reactions in Laboratory Test Tubes with Colorful Liquids and Vibrant Smoke
00:10
Diamond gemstone being inspected under a microscope in a dark scientific laboratory with bokeh lights
00:08
Doctor in medical PPE suit holds a covid antigen test of care testing. Lab performing rapid diagnostic test for antibodies to detect presence of antigens Coronavirus disease.
00:14
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Airbag Deploys Closeup 2
00:29
Chemist in protective uniform showing tube with dark liquid, oil examination
00:08
Lockdown, CU, SLO MO, head and shoulders of a crash test dummy hitting a deployed airbag
00:37
An engineer in a crash test lab uses a car crash test system to simulate a traffic accident, to obtain the safety parameters of an eco-friendly cutting edge electric vehicle being developed.
00:12
Test results, working mom Unexpectedly Reading a pregnancy test Sitting in the bathroom, Slow motion Pregnant woman Analyzing test strips Women's health centers, Test
00:08
Filling out Answers on a Multiple Choice Test Close up
00:18
automatic hematology analyzer with glass test tubes with blood
00:12
Team of Research Scientists Working On Computer, with Medical Equipment, Analyzing Blood and Genetic Material Samples with Special Machines in the Modern Laboratory.
00:13
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Glitchy test pattern screen for please stand by break, suitable for video production, tv and film projects, broadcasting, waiting rooms, and presentations.
00:10
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Selective focus shot of female scientist in protective mask and glasses pouring blue liquid in test tubes with pipette during microbiology experiment in laboratory
00:18
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
4k stock| . Static color simple noise. Error video glitch. Bad damage interface. No signal stock animation. Video no signal test pattern on TV screen; colorful flickering.
00:10
Blood, research and hands of scientist in laboratory with sample for science, medical study or investigation. Healthcare, pharmaceutical and person with DNA test vial, RNA analysis and writing notes
00:09
Lab Research Test Tubes
00:06
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.
00:17
Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up
00:21
Exam Hall Serenity: A large exam hall is filled with students, focused on their tests, highlighting a moment of intense concentration and the pursuit of knowledge.
00:10
In the laboratory, a tensile test is carried out on the sample. Determination of the physical and mechanical properties of the material
00:09
Laboratory technician places blood collection tubes into analyzer cassette for automated diagnostic testing in modern medical laboratory environment.
00:13
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
Woman in blue glove pouring liquid from bottle into cup for swimming pool water testing and chemical balance.
00:08
Analysis of the PH and chlorine of the water in a swimming pool in Summer. Check quality of water with test strip, comparing results.
00:15
Tv screen with Indian Head Test Pattern
00:14
Medical Science Laboratory with Diverse Team of Professional Biotechnology Scientists Developing Drugs, Female Biochemist Working on Computer Showing Gene Therapy Interface. Back view Shot
00:16
Unrecognizable man walking on treadmill during cardiac stress test
00:14
Muscular athlete with mask running on treadmill in gym for monitoring his performance. Sportsman in sports science lab measuring his performance cardio respiratory test professional athlete
00:25
sad girl sitting on the bathroom floor with a pregnancy test. the concept of a positive or negative pregnancy test or other problems related to the position and health of women
00:13
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
Senior woman, eyes and focus for eye exam, test or assessment of vision, eyesight and optometry for elderly patient. Eye, closeup and old lady thinking with wrinkles, natural skin and wellness
00:05
Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
00:16
TU, MS, Side View shot of the head and shoulders of a crash test dummy
00:18
A man with a sense of fear moves on a rope bridge stretched between high rocks.Extreme sport.A test of courage.Adrenaline.
00:11
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
Blood samples in test tubes rotates in a centrifuge to separate blood from plasma for further analysis. Scientists biochemical laboratory manufacturing a vaccine against the covid-19 coronavirus.
00:10
Completing blood draw.
00:20
Indian male doctor checcking BP of young patient during routine health examination as experienced physician measures blood pressure inside modern Indian clinic OPD healthcare visit
00:30
Closeup, hands and a couple with pregnancy test results, comfort and reading together. Family, support and a man and woman with information on a baby, pregnant and care on the sofa for infertility
00:06
close up view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube
00:09
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
00:09
4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.
00:13
Close up shot of female scientist in protective uniform, mask and glasses looking through microscope while doing lab research during covid- outbreak
00:12
Quality certification service and standardization. Digital checklist management for business certification and quality assurance. Quality assurance document management technology standards.
00:10
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
A focused African American student in a white shirt writes in his notebook during an important exam in a classroom. Concept of academic achievement, education, and dedication to learning.
00:10
A vintage television screen displays colorful test pattern bars
00:11
friendly female veterinarian stroking and calming domestic cat while examining an animal in medical office, smiling and looking at camera
00:21
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
A beautiful woman takes a pregnancy test and as soon as she reads that she is pregnant, she explodes in a moment of happiness and joy for the future birth of her child. Concept of: birth, life, family
00:12
School girl writing in book in classroom, student learning for education at table and studying for exam in notebook in class. Children doing exam on paper, creative test at desk and focus on study
00:07
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Asian women student sits in library, prepare for exam and making notes in notebook preparing for college test and finding information with a serious face in college library.
00:10
Science, laboratory and woman with beaker for medical analysis, research and medicine. Healthcare, pharmaceutical and scientist with test tube for vaccine development, chemistry and liquid results
00:17
Warning symbol for chemical hazard on test tube, chemical in factory
00:08
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
Process of express fast coronavirus covid Antigen AG PCR testing examination at home, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, testing carried out
00:06
Close up unrecognizable man businessman writing paperwork report on desktop male hands signing business documents on office table student write educational test english exam studying in university
00:11
Inserting the test sample in the sample container into the pre paid envelope ready for sending to the Bowel Cancer Screening Programme for testing.
00:25
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
Retro Television Test Pattern with Vibrant Color Bars
00:20
Closeup view 4k video of child hand with red spot reaction to conducting Mantoux test after 72 hours from injection. Nurse in blue gloves applying transparent ruler to check reaction.
00:16