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718 228 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
Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption
00:05
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
over shoulder doctor writing on a form for a blood test
00:18
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
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
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
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
Portrait of female doctor talking with young patient sitting on couch in clinic. Physician giving consultation a woman during medical examination in office. Medicine and treatment concept. 4k video.
00:09
TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage
00:10
Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.
00:12
Vintage television test pattern overlay with colorful bars and glitch effect moving vertically with hand drawn scribbles creating analog distortion seamless loop animation
00:15
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
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
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
HIV Antibody test report 4k footage, health report, medical result, close up.
00:10
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
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
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
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
Scientist holding test strip and checking result
00:14
Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.
00:10
Asian mother makes blood glycemia test to her daughter for diabetes check at home - Family disease, medicine and lifestyle concept
00:10
Retro tv test pattern please stand by broadcast signal. waiting screen vintage television. 4k animation video
00:10
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
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
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
Glass test tubes with liquid on white background.
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
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.
00:18
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
Athlete undergoing stress test with ecg monitoring in a medical setting
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
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
Unrecognizable man walking on treadmill during cardiac stress 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
close up view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube
00:09
Bright RGB color changing animated background for screen test
00:12
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
automatic hematology analyzer with glass test tubes with blood
00:12
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
Lockdown, CU, SLO MO, head and shoulders of a crash test dummy hitting a deployed airbag
00:37
scientist take test tube
00:10
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
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
Doctor performing nasal swab covid test on an elderly woman. High quality 4k footage
00:09
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
Process of coronavirus PCR antigen testing examination by nurse medic in laboratory lab, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, patient receiving test, 4K
00:06
A hand pouring soil samples into test tubes in a laboratory setting for analysis
00:10
Woman enjoying negative pregnancy test result, showing it into camera, close-up
00:09
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
00:10
Filling out Answers on a Multiple Choice Test Close up
00:18
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory
00:17
Close-up of positive Covid antigen test in hand, rack focus
00:15
Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
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
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
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
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 mixes chemicals in laboratory and holds test tube with orange liquid
00:15
Lab Research Test Tubes
00:08
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
Pipette with water fall intro test tube with plant inside.
00:11
Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps
00:11
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
Scientist’s hand in blue nitrile glove holding a transparent test tube with liquid – close-up in laboratory environment, concept of medical research, analysis, or biotechnology
00:05
Process of coronavirus PCR antigen testing examination by nurse medic in laboratory lab, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, patient receiving test, 4K
00:09
Lab tests in test tubes with blood samples for medical research and analysis in a clinical setting with blue lids
00:05
Covid 19 antigen rapid test kit with positive result for infection. Coronavirus rapid self-test home kit close-up image
00:10
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
A focused African American student in a white shirt writes in his notebook during an important exam in a classroom. Concept of academic achievement, education, and dedication to learning.
00:10
Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI
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
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
In the laboratory, a tensile test is carried out on the sample. Determination of the physical and mechanical properties of the material
00:09
hand with pencil taking a multiple choice test
00:18
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
after the test, the doctor puts the blood tests in a pallet
00:06
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Drop of blue transparent liquid into test tubes in laboratory
00:15
A vintage television screen displays colorful test pattern bars
00:11
A close-up dolly shot of a student filling in the little bubble circles of a test paper.
00:38
4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.
00:13
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
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
Food production review: Two food industry professionals collaborate during an inspection, wearing protective gear amidst the clean industrial setting.
00:15
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
Nurse puts a bar code on a test tube with a blood test
00:11
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
the inspector checks the form and puts a a worst grade on a exam test
00:06
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05