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정렬 기준

비디오에서 test에 관한 710,711개 결과

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
Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
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
Futuristic blue circuit board technology.
00:08
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
hand with pencil taking a multiple choice test
00:18
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps
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
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
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
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
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
after the test, the doctor puts the blood tests in a pallet
00:06
Glass test tubes with liquid on white background.
00:12
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
Please Stand By - Retro Television Test Pattern with Static and Glitch Effect.
00:10
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
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
Modern x ray room with scanner and monitors showing medical equipment in use for patient imaging and diagnosis
00:05
Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption
00:05
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
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
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
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
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
Closeup of quantum computer chip testing with microprobes on a dark circuit board, 4k video
00:10
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
The blood analysis. Analysis to identify the HIV virus.
00:13
Lab Research Test Tubes
00:06
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
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
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Diamond gemstone being inspected under a microscope in a dark scientific laboratory with bokeh lights
00:08
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
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
Lockdown, CU, SLO MO, head and shoulders of a crash test dummy hitting a deployed airbag
00:37
Laboratory technician places blood collection tubes into analyzer cassette for automated diagnostic testing in modern medical laboratory environment.
00:13
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
the inspector checks the form and puts a a worst grade on a exam test
00:06
A close-up dolly shot of a student filling in the little bubble circles of a test paper.
00:38
Scientist hands with microscope close-up shot in the laboratory
00:13
Unrecognizable man walking on treadmill during cardiac stress test
00:14
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
4k, Students in school uniform taking exam at desk in a classroom. Slow motion.
00:29
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Completing blood draw.
00:20
4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.
00:13
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Scientist holding test strip and checking result
00:14
Please stand by tv test pattern retro vintage broadcast. 4k animation video
00:10
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
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
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
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
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
Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept
00:25
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
Scientist in lab coat and blue gloves carefully dropping liquid into test tube with pipette with research and experiment and science and medical
00:08
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
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
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
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
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
4K Close up of pencil being used on a multiple choice test paper
00:33
Dark liquid with bubbles in a metal container under dim light, science experiment.
00:07
Businessperson reviews feedback on mobile device while surrounded by glowing star ratings at a desk in an office setting.
00:10
over shoulder doctor writing on a form for a blood test
00:18
Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up
00:21
Filling out Answers on a Multiple Choice Test Close up
00:18
A vintage television screen displays colorful test pattern bars
00:11
Please stand by screen with color bars pattern background with static noise
00:05
Biopharmaceutical, DNA helix, genetic testing
00:14
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
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
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
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
Lab Research Test Tubes
00:08
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Asian mother makes blood glycemia test to her daughter for diabetes check at home - Family disease, medicine and lifestyle concept
00:10
automatic hematology analyzer with glass test tubes with blood
00:12
Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps
00:11
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
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
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
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
Hands, gloves and blood sample in lab with label for test, assessment or clinical analysis at pharma company. Scientist, person and glass container with dna, results and ppe with vaccine development
00:17
Drop of blue transparent liquid into test tubes in laboratory
00:15
Scantron Test Paper
00:16
brush line check mark animation video.
00:05
Man, student and headphones with laptop in library for typing assignment essay, study music or exam research. University, group and person with technology for online course, radio audio and education
00:08
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