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700 839 результатів за запитом test у категорії відео

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
4K Close up of pencil being used on a multiple choice test paper
00:33
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
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
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hand with pencil taking a multiple choice test
00:18
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
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Scantron Test Paper
00:16
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
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
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
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
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps
00:10
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
after the test, the doctor puts the blood tests in a pallet
00:06
Please stand by screen with color bars pattern background with static noise
00:05
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
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Lab Research Test Tubes
00:08
Vintage switch on off television displays a Please stand by on retro TV screen test pattern after flicking a vintage switch.
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.
00:12
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
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
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
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
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
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
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
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
Unrecognizable man walking on treadmill during cardiac stress test
00:14
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
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
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
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
Please stand by tv test pattern retro vintage broadcast. 4k animation video
00:10
Glass test tubes with liquid on white background.
00:12
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
Hands of a food scientist mixing experimental food samples in test tubes and petri dishes highlighting the scientific approach to food formulation and preservation.
00:06
scientist take test tube
00:10
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
Scientist mixes chemicals in laboratory and holds test tube with orange liquid
00:15
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
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
automatic hematology analyzer with glass test tubes with blood
00:12
Serious young female doctor in medical uniform consulting elderly male patient, showing lab test results on computer screen at checkup visit in hospital. Focused old man listening to cardiologist.
00:09
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
Portrait of happy young woman looking at pregnancy test. Girl smiling after the positive result of pregnancy test
00:14
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
Doctor performing nasal swab covid test on an elderly woman. High quality 4k footage
00:09
Close-up of positive Covid antigen test in hand, rack focus
00:15
close up view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube
00:09
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Retro tv test pattern please stand by broadcast signal. waiting screen vintage television. 4k animation video
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
One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.
01:00
A vintage television screen displays colorful test pattern bars
00:11
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
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
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
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Scientist holding test strip and checking result
00:14
doctor writing blood test results on the patients form
00:17
Close up with rack focus of male scientist in protective goggles and face mask looking at blood sample in test tube
00:10
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
00:09
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
Laboratory researcher or nurse pipets patient sample into a test tube. Genetic engineering or genetic disease screening. Cancer and drug research and science
00:10
PCR test taking a sample from the tube coronavirus tube
00:25
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
PH test and water analysis testing in laboratory
00:20
Covid 19 antigen rapid test kit with positive result for infection. Coronavirus rapid self-test home kit close-up image
00:10
Patient with diabetes using a blood glucose meter. Viewing 30‑day blood glucose test results stored in memory of glucometer. Blood sugar levels from high to normal after insulin therapy.
00:16
Female doctor take blood sample from patient to test for coronavirus in hospital. Sampling plasma for treatment of covid patients. Medicines research concept and defeating dangerous covid-19 infection
00:13
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
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
Woman holding a pregnancy test in her hands. The result is positive.
00:12
Covid rapid antigen test positive result timelapse
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TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
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
Close up view of a doctor and his female patient hand and arm in a laboratory taking blood sample in a test tube
00:18
In the laboratory, a tensile test is carried out on the sample. Determination of the physical and mechanical properties of the material
00:09
Doctor or laboratory technician showing container with urine sample for analysis and research in medical laboratory, medical urine test and health scanning.
00:10
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
4k video no signal test pattern on TV screen; colorful flickering. Perfect for media, broadcasting, technology, communication, or entertainment industry projects.
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
over shoulder doctor writing on a form for a blood test
00:18
Nurse puts a bar code on a test tube with a blood test
00:11
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
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Lab assistant checking blood tube with positive HIV test result, taking notes
00:12
Drop of blue transparent liquid into test tubes in laboratory
00:15
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 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
Glass test tube in laboratory with blue color ink inside. Close up macro.
00:20
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.
00:13
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