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비디오에서 test에 관한 700,623개 결과

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
Exam Hall: A view of a large, bright exam hall filled with students diligently focused on their tests. Capture the ambiance of academic dedication and focus.
00:10
4K Close up of pencil being used on a multiple choice test paper
00:33
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
Scantron Test Paper
00:16
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
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
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
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
Diabetic person performing blood sugar level test at home
00:12
over shoulder doctor writing on a form for a blood test
00:18
hand with pencil taking a multiple choice test
00:18
Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps
00:10
Lab Research Test Tubes
00:08
Glass test tubes with liquid on white background.
00:12
Vintage switch on off television displays a Please stand by on retro TV screen test pattern after flicking a vintage switch.
00:10
Financial advisor reviewing client portfolio with digital charts displaying securities and stock assets representing management of financial asset custody.
00:06
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
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
Broadcast Test Card With 59-Second Countdown For Technical Breaks. Color television test pattern with Please Stand By text and countdown timer from 00:59 to 00:00 seconds.
01:00
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
Please stand by tv test pattern retro vintage broadcast. 4k animation video
00:10
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
Television turn on and off. Vintage switch on, turn off television. Led Tv on and off. Lcd Tv on and off effect on black background
00:12
Filling out Answers on a Multiple Choice Test Close up
00:18
Glass test tube in laboratory with blue color ink inside. Close up macro.
00:20
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
Classic monochrome TV test pattern displaying the 'please stand by' message, simulating a vintage broadcast interruption with static and visual glitches
00:08
Closeup of quantum computer chip testing with microprobes on a dark circuit board, 4k video
00:10
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
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
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
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
Lab Research Test Tubes
00:06
Nurse puts a bar code on a test tube with a blood test
00:11
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
A crash test dummy in a car with a deployed airbag and smoke demonstrates the critical life-saving technology of vehicle safety testing during a simulated high-speed collision
00:08
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
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 test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
Female and male engineers in experimental crash test laboratory watching process of traffic accident simulation, to get safety parameters of a new electro eco-friendly car body using computer system.
00:12
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up
00:21
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
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
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Distorted Television bars signal. Error on the test signal
00:16
4k, Students in school uniform taking exam at desk in a classroom. Slow motion.
00:29
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
Optometry, eyesight and eye test for senior woman, optometrist and slit lamp. Doctor, specialist and healthcare professional for ophthalmology, prescription and optician for eyecare appointment exam
00:06
4k video no signal test pattern on TV screen; colorful flickering. Perfect for media, broadcasting, technology, communication, or entertainment industry projects.
00:10
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
scientist take test tube
00:10
Please stand by screen with color bars pattern background with static noise
00:05
A vintage television screen displays colorful test pattern bars
00:11
Scientist doing research in a modern lab. Closeup of a technician analyzing samples in Petri dishes on a glass table. A chemist preparing organisms for testing or DNA modification in a laboratory
00:09
Close up of lab technician hands in gloves applying barcode label on test tube with blood plasma or urine sample for medical analysis in clinical laboratory indoors.
00:13
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
Drunk male driver passing alcohol test blowing in breath analyzer police control
00:12
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.
00:13
Airbag Deploys Closeup 2
00:29
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
A man in the kitchen tests tap water quality with a test strip. Home testing for drinking water safety, pH, chlorine, and chemical contaminants.
00:12
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
glasswalled office developers pairprogramming while monitoring system dashboards from overhead view, dual monitors display code and analytics, team discussing deployment and testing
00:09
Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps
00:11
Taking a blood sample for testing in the tube and putting it on the stand
00:12
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
Stress, depression and student writing in classroom at high school, learning and education burnout. Tired, frustrated and teenager boy take test exam at desk in class, anxiety or fail while studying
00:10
blood test. pipette with drop of blood
00:23
Tilt up close up shot of female biomedical scientist in goggles and face mask putting test tubes with blood samples from patients tested positive for covid-19 in rack
00:06
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
Positive pregnancy test in the hands of a teenage girl.
00:19
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
No signal test pattern TV screen. 4k footage.
00:13
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
Scientist mixes chemicals in laboratory and holds test tube with orange liquid
00:15
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
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
00:09
Super slow motion close up of scientist examines with pipette molecules of DNA sample substance in test tubes during biochemical analysis of experimental data research in laboratory at 1000 fps.
00:12
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
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
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
after the test, the doctor puts the blood tests in a pallet
00:06
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
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
Unrecognizable man walking on treadmill during cardiac stress test
00:14
Biopharmaceutical, DNA helix, genetic testing
00:14
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
The blood analysis. Analysis to identify the HIV virus.
00:13
Classic vintage 'please stand by' screen displaying a retro television test pattern with distressed textures and vibrant color bars, signaling an upcoming broadcast pause
00:10
automatic hematology analyzer with glass test tubes with blood
00:12
Glitch static on the tv, no signal preview on the tv 4K resolution video
00:10
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
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
Female doctor talks to male patient and shows result of medical examination on tablet
00:15
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