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Obtenha 3 vídeos ou 25 imagens com um teste grátis
Experimente grátis
Obtenha 3 vídeos ou 25 imagens com um teste grátis
Experimente grátis
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295.246 resultados para test em vídeos

Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Retro Analog TV Glitch Background. Distorted No Signal Screen Error, White Noise Static, Flickering Color Bars Test Pattern Animation 4k video animation seamless loop
00:10
4K Close up of pencil being used on a multiple choice test paper
00:33
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
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
over shoulder doctor writing on a form for a blood test
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.
00:19
Please stand by tv test pattern retro vintage broadcast. 4k animation video
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
A robot standing in front of a row of test tubes, suitable for science, technology and innovation themed projects
00:10
after the test, the doctor puts the blood tests in a pallet
00:06
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
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
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
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Classic monochrome TV test pattern displaying the 'please stand by' message, simulating a vintage broadcast interruption with static and visual glitches
00:08
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
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
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
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
Stunt driver performing car crash test safety experiment
00:05
A person brings vision glasses to his eyes. Moving from out of focus to focus. View of the First person view on the vision test table.
00:06
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
Walking, exam and students talking about results on university campus and share test information or paperwork together. Scholarship, education and group of young people or friends in discussion
00:08
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
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
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
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
automatic hematology analyzer with glass test tubes with blood
00:12
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
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
Distorted Television bars signal. Error on the test signal
00:16
The blood analysis. Analysis to identify the HIV virus.
00:13
Glass test tubes with liquid on white background.
00:12
The concept of IVF or In Vitro Fertilization. Fertilization outside the body, or test tube baby, as a medical technology that combines eggs and sperm in a laboratory.
00:05
Please stand by screen with color bars pattern background with static noise
00:05
Woman holding a pregnancy test in her hands. The result is positive.
00:12
Airbag Deploys Closeup 2
00:29
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
doctor writing blood test results on the patients form
00:17
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
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
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
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
Ink Rorschach test
00:11
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
00:09
Tv screen with Indian Head Test Pattern
00:14
Muscular man athlete running on treadmill in gym for monitoring test his sport performance. Sportsman in sports science lab measuring cardio respiratory, heart check.
00:14
Completing blood draw.
00:20
Drunk male driver passing alcohol test blowing in breath analyzer police control
00:12
Blood test taking of a young patient man of a young woman doctor in a modern clinic room , assistant are behind of the doctor.
00:24
blood test. pipette with drop of blood
00:23
Medical lab workers examining blood sample under microscope, typing test report
00:24
Diabetic person performing blood sugar level test at home
00:12
4k video no signal test pattern on TV screen; colorful flickering. Perfect for media, broadcasting, technology, communication, or entertainment industry projects.
00:10
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
In the laboratory, a tensile test is carried out on the sample. Determination of the physical and mechanical properties of the material
00:09
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
Caregiver, tablet and high five with old man, homecare and people with test results and achievement. Happy, senior patient and nurse with tech for medical report, success and celebration for recovery
00:12
Drop of blue transparent liquid into test tubes in laboratory
00:15
Elderly woman undergoing a spirometry test at a hospital clinic, exhaling into a device to assess lung capacity and identify respiratory issues such as asthma or copd
00:16
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
Lab Research Test Tubes
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
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
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
Dynamic digital speed test interface displaying fluctuating download and upload speeds, showcasing real-time data metrics and vibrant graphical elements
00:10
Abrahams sacrifice of Isaac, an angel intervention preventing a father from offering his son, and ram substitution for symbolic redemption
00:08
Technical Difficulties
00:05
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
Scantron Test Paper
00:16
hand with pencil taking a multiple choice test
00:18
Unrecognizable man walking on treadmill during cardiac stress test
00:14
Nurse puts a bar code on a test tube with a blood test
00:11
Blood sugar, diabetes monitor and man finger in a home living room checking insulin levels. Male person, house and lounge sofa with digital glucose meter for health monitoring and hands test closeup
00:23
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
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Men, developer and fist bump with computer in office for programming, coding success and software update. People, online and celebration for website development, teamwork and launch of testing server
00:14
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
Retro tv test pattern please stand by broadcast signal. waiting screen vintage television. 4k animation video
00:10
no signal glitch screen VHS Color Bars Glitch Animation with Analog Distortion Retro Broadcast Test Screen for Vintage Video and Motion Graphics
00:10
A positive pregnancy test with a pregnant woman and her man feeling happy, excited and celebrating the good news. Hugging, cheering and feeling overjoyed about having a baby together as a couple
00:11
Lab Research Test Tubes
00:08
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
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
Woman, pregnancy test and waiting results in home with anxiety or ivf infertility, stress or living room. Female person, hands and stick in lounge or scared problem for mistake, ovulation or nervous
00:06
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
No signal.Not working, Distortions and Interferences on the TV screen. Color frame to customize the colors of the TV.Looped endless video..
00:15
A vintage television screen displaying a colorful test pattern with "PLEASE STAND BY" message.
00:08
A close-up dolly shot of a student filling in the little bubble circles of a test paper.
00:38
An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.
00:14
Stressed student clutching head during a difficult exam in a classroom. Anxious young man struggling with a test while a teacher walks in the background. Academic pressure and failure concept
00:06
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Blood sugar, finger stab and man hands in a home living room checking insulin monitor. Male African person, house and lounge sofa with digital glucose meter for health monitoring and wellness test
00:15