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690.491 resultados para test en vídeos

Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping
00:14
Financial advisor reviewing client portfolio with digital charts displaying securities and stock assets representing management of financial asset custody.
00:06
Pipette with liquid inside drop water in test tubes. Close up macro.
00:14
Closeup of quantum computer chip testing with microprobes on a dark circuit board, 4k video
00:10
Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.
00:10
Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test
00:28
after the test, the doctor puts the blood tests in a pallet
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.
00:19
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
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 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
glasswalled office developers pairprogramming while monitoring system dashboards from overhead view, dual monitors display code and analytics, team discussing deployment and testing
00:09
Nurse puts a bar code on a test tube with a blood test
00:11
Glass test tubes with liquid on white background.
00:12
Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom
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
Stunt driver performing car crash test safety experiment
00:05
Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture
00:20
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
Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory
00:19
Please stand by screen with color bars pattern background with static noise
00:05
Diabetic person performing blood sugar level test at home
00:12
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
Woman customizing pricing and images on ecommerce platform dashboard
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
Taking a blood sample for testing in the tube and putting it on the stand
00:12
Scientist with gloves injecting liquid sample into a plastic gradient lab for test
00:09
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
Animation with mathematical formulas on a white background. Video with accurate calculations. Stock footage for overlays, presentations, effects.
00:05
3 in 1. Please Stand By Test Card In Three Retro Television Styles.
00:27
Woman holding a pregnancy test in her hands. The result is positive.
00:12
Lab assistant in gloves putting blood test tubes in rack or holder close up
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
Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept
00:05
doctor writing blood test results on the patients form
00:17
Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory
00:10
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
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
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
blood test. pipette with drop of blood
00:23
The doctor takes blood from a vein from the woman
00:15
Completing blood draw.
00:20
Couple pleased with pregnancy test results
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
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
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
Scantron Test Paper
00:16
Hearing test showing ear of young woman with sound waves simulation technology - isolated on white
00:10
Business performance checklist. Efficient solution for form approval, quality control, and digital documentation in online workflow.
00:08
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
Abrahams sacrifice of Isaac, an angel intervention preventing a father from offering his son, and ram substitution for symbolic redemption
00:08
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
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
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
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
Lab tests in test tubes with blood samples for medical research and analysis in a clinical setting with blue lids
00:05
Team of business analysis documents in action office setting report generation professional environment strategic planning
00:15
Electrician testing voltage with digital multimeter inside industrial electrical control cabinet.
00:05
Please Stand By - Retro Television Test Pattern with Static and Glitch Effect.
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
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
Businessman focusing on audit checklist visualization magnifying glass icon interface examination compliance verification process quality assessment review inspection accuracy
00:10
Laboratory technician places blood collection tubes into analyzer cassette for automated diagnostic testing in modern medical laboratory environment.
00:13
The blood analysis. Analysis to identify the HIV virus.
00:13
Retro tv test pattern please stand by broadcast signal. waiting screen vintage television. 4k animation video
00:10
4k video no signal test pattern on TV screen; colorful flickering. Perfect for media, broadcasting, technology, communication, or entertainment industry projects.
00:10
Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up
00:21
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
no signal glitch screen VHS Color Bars Glitch Animation with Analog Distortion Retro Broadcast Test Screen for Vintage Video and Motion Graphics
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
4K Close up of pencil being used on a multiple choice test paper
00:33
An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.
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
16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)
00:10
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
Joyful young woman in dentist office looking at her healthy teeth in the mirror. Woman dentist shows a client clean teeth. High quality 4k footage
00:10
Doctor scientist analyzes a colored liquid to extract the DNA and molecules in the test tubes in the laboratory.
00:17
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
Medical lab workers examining blood sample under microscope, typing test report
00:24
Car safety test with robot driving and crashing, showcasing airbag functionality in a factory setting.
00:20
Medical animation of the positive passed pregnancy test. Two lines. Closeup. HD
00:06
Hands, anxiety and woman with pregnancy test in home on sofa, waiting for results and thinking. Maternity, worry and closeup of female person with stress, fear and nervous or scared in living room
00:05
Close up of medical lab technician organizing and labeling microscope slides for testing in modern clinical laboratory under bright sterile conditions.
00:14
Teamwork, computer or scientists speaking in lab for chemistry research report or medical info feedback. Women, diversity or mature doctor reading online test results for medicine web update on PC
00:09
Scientist, woman and chemical analysis with sample for chemistry, testing and medical research. Biotech, laboratory and PPE with DNA inspection for pathology experiment, synthesis or microbiology
00:07
Engineers observing a futuristic car in a wind tunnel testing facility. Innovative automotive design and performance evaluation in action
00:10
automatic hematology analyzer with glass test tubes with blood
00:12
Man, student and headphones with laptop in library for typing assignment essay, study music or exam research. University, group and person with technology for online course, radio audio and education
00:08
Laboratory Scientist Use Pippete for Experimental Solution Into Test Tube. Concept of Digitally Visualized Cells in Molecular Biology, Regenerative Biotechnology, Healthcare Innovation in Medicine
00:17
Manager, men and discussion in meeting at office, performance review and graphs for employee evaluation. Communication, talk and people at desk with chart for feedback, advice or supervisor critique
00:06
Hands holding pregnancy test, turning to show one line negative test, problem family planning.
00:10
Customer centric review and rating system support product review, digital rating concept, and customer give good trust by visualizing people choice through stars and feedback content technology Marrow
00:10
Row of Insulin Injection Pens on Conveyor Line during Production Process at Modern Pharmaceutical Factory. Weight Loss Medication Manufacturing. Medicinal Drug Production Plant.
00:08
online e-learning test for graduation,young woman sitting at home using tablet filling questionnaire,answer questions,internet learning education,student passes examination
00:07
Indian male doctor checcking BP of young patient during routine health examination as experienced physician measures blood pressure inside modern Indian clinic OPD healthcare visit
00:30
Remote Computer Support Worker Checking Tickets
00:15
Lab assistant makes urgent blood test for detection of antibodies and infections
00:29
Couple pleased with pregnancy test results
00:12
Technician carefully drips the solution from the pipette into glass tubes for DNA analysis.
00:07