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724.731 risultati per test in video

Close up of scientist's hands in blue gloves adjusting microscope in laboratory, conducting scientific research and analysis. Health care and science concept
00:17
Thyroid hormone t3 and t4 molecules circulate blood vessels representing endocrine health with detailed blood test concept showing molecular structure and red blood cells supporting thyroid function
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
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
Scantron Test Paper
00:16
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
over shoulder doctor writing on a form for a blood test
00:18
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
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
Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
after the test, the doctor puts the blood tests in a pallet
00:06
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
Medical imaging center features advanced MRI machine and treatment area for patient diagnostics and care in modern facilities
00:10
friendly female veterinarian stroking and calming domestic cat while examining an animal in medical office, smiling and looking at camera
00:21
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
Retro TV test pattern please stand by screen suitable for showcasing broadcast standby or vintage television interruptions in presentations, videos, or graphics related to media and technology
00:20
Glass test tubes with liquid on white background.
00:12
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Online survey questionnaire with digital feedback form, customer evaluation and business assessment concept. Filling form, research analytics, technology interface and data review.
00:12
An abstract television test pattern displays vibrant color bars with digital glitches and static noise.
00:15
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
Review, typing or man in office with laptop, budget editing or insight for funding pitch. Reading, expense evaluation or finance consultant with tech, portfolio check or proposal ideas for investment
00:07
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
Scientist in blue gloves holds rack of blue liquid filled test tubes amidst vapor
00:08
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
African scientist examines virus samples using a microscope in a laboratory setting, focusing on research and analysis of infectious diseases
00:10
Diabetic person performing blood sugar level test at home
00:12
Retro analog television test pattern with color bars and please stand by text featuring static noise.
00:10
Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption
00:05
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Airbag Deploys Closeup 2
00:29
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Filling out Answers on a Multiple Choice Test Close up
00:18
TU, MS, Side View shot of the head and shoulders of a crash test dummy
00:18
Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up
00:21
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
Electrician testing voltage with digital multimeter inside industrial electrical control cabinet.
00:05
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
00:06
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
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
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
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
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
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
Male engineer simulates and watches process of traffic accident using digital tablet with modern system to change the safety parameters. 3D animation of electric car experimental crash test in lab.
00:14
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
Scientist hands with microscope close-up shot in the laboratory
00:13
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
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
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
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
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
Patient waits nervously. Anxious individual sits quietly. Tense patient waiting patiently under soft clinic lighting. Anxious individual rests hand on knee while waiting in quiet examination room
00:17
4K Close up of pencil being used on a multiple choice test paper
00:33
the inspector checks the form and puts a a worst grade on a exam test
00:06
A vintage television screen displays colorful test pattern bars
00:11
Research professional conducting experiments with laboratory equipment and team
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
Doctor examining newborn baby in hospital, checking health and well-being.
00:08
Happy couple discover the pregnancy test in the restroom
00:15
Asian female virologist in protective suit, mask, glasses and gloves dripping blue liquid from pipette into test tubes while working on antiviral vaccine at desk with microscope on it in laboratory
00:23
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
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
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
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
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
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
Abnormal heart rhythm line showing an ekg style medical waveform animation
00:12
Animated Laptop with Online Survey and Feedback Video - Transparent
00:10
Hands holding pregnancy test, turning to show one line negative test, problem family planning.
00:10
Lab Research Test Tubes
00:08
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
Two skincare professionals in white lab coats testing face cream at a desk with cosmetic bottles and jars, showing product development, beauty research, and clean modern work.
00:13
Retro Television Test Pattern with Vibrant Color Bars
00:20
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
00:09
Seasoned network expert evaluating data streams in a high-tech control center.
00:10
Please stand by screen with color bars pattern background with static noise
00:05
Scientist mixing chemicals or oil in a flask in laboratory
00:13
Body on examination table in morgue
00:08
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
Athlete Performs Cardiopulmonary Exercise Test on Treadmill Under Physician Supervision in a Modern Medical Lab, Monitoring Heart Rate and Respiratory Function for Sport Training and Health Research.
00:07
Nurse puts a bar code on a test tube with a blood test
00:11
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Glitch static on the tv, no signal preview on the tv 4K resolution video
00:10
Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps
00:11
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
4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.
00:13
In the laboratory, a tensile test is carried out on the sample. Determination of the physical and mechanical properties of the material
00:09
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
A confident mature woman scientist stands with arms crossed in a well-equipped laboratory, surrounded by scientific equipment.
00:09
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
Ink Rorschach test
00:11