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299 103 wyniki wyszukiwania „test” w kategorii: wideo

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
Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption
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
Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept
00:25
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
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
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
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
Dark liquid with bubbles in a metal container under dim light, science experiment.
00:07
Drop chemical fluid into laboratory test tube , science biological or chemistry research concept
00:16
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
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
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
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
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
Pool water test kit in hands measuring ph and chlorine levels, close up of chemical analysis during private swimming pool maintenance, turquoise water background
00:22
Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
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
Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration
00:05
The blood analysis. Analysis to identify the HIV virus.
00:13
Restaurant, chef and men with test in kitchen for culinary skills, cuisine and learning for cooking. Hospitality, catering and people with pot to taste sauce for meal preparation, dinner and food
00:08
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
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
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
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
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
Lab work, Doctor holds a test tube takes the test from a test tube in analysis, blood, DNA, test tube stand.
00:21
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
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
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
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
Unrecognizable man walking on treadmill during cardiac stress test
00:14
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
Sterile Lab Test Tube Placement Under Clinical Lighting
00:08
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping
00:14
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
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
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
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
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
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
Lab assistant in gloves putting blood test tubes in rack or holder close up
00:10
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
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
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
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
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
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 view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube
00:09
TU, MS, Side View shot of the head and shoulders of a crash test dummy
00:18
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
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
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Doctor monitors a shirtless man performing an exercise stress test on a treadmill in a medical lab
00:08
A vintage television screen displays colorful test pattern bars
00:11
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
Woman holding a pregnancy test in her hands. The result is positive.
00:12
Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.
00:13
Person taking liquid sample from rusted barrel
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
Glitchy test pattern screen for please stand by break, suitable for video production, tv and film projects, broadcasting, waiting rooms, and presentations.
00:10
Completing blood draw.
00:20
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
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
Portrait of happy young woman looking at pregnancy test. Girl smiling after the positive result of pregnancy test
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
Doctor performing nasal swab covid test on an elderly woman. High quality 4k footage
00:09
Medical animation of the positive passed pregnancy test. Two lines. Closeup. HD
00:06
Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).
00:10
TD, CU, Side View shot of the head and shoulders of a crash test dummy
00:11
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
00:06
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
4K Close up of pencil being used on a multiple choice test paper
00:33
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
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
after the test, the doctor puts the blood tests in a pallet
00:06
Scantron Test Paper
00:16
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
automatic hematology analyzer with glass test tubes with blood
00:12
Airbag Deploys Closeup 2
00:29
Set of different Analog Static Noise texture overlay. Horizontal stripes offset . No signal white noise artifacts. VHS Glitch. Bad TV signal. CRT transitions. Scan lines interference. Distorted VCR
00:27
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
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
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
Generic 3d car crash test with people driver. Car destruction. Realistic 4k animation.
00:10
Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD
00:10
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
Lockdown, CU, SLO MO, head and shoulders of a crash test dummy hitting a deployed airbag
00:37
Retro Television Test Pattern with Vibrant Color Bars
00:20
Lab Research Test Tubes
00:08
Hands holding pregnancy test, turning to show one line negative test, problem family planning.
00:10
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
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05