Um link para definição da senha foi enviado para Para acessar suas compras no futuro, você precisará de uma senha.

**299.100 resultados para test em vídeos**

Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption

00:05

A robot standing in front of a row of test tubes, suitable for science, technology and innovation themed projects

00:10

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

Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.

00:10

Lab assistant makes urgent blood test for detection of antibodies and infections

00:29

Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.

00:10

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

Pipette with liquid inside drop water in test tubes. Close up macro.

00:14

hand with pencil taking a multiple choice test

00:18

Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept

00:25

Please stand by tv test pattern retro vintage broadcast. 4k animation video

00:10

Scantron Test Paper

00:16

Drop chemical fluid into laboratory test tube , science biological or chemistry research concept

00:16

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

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 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

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

Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.

00:12

Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a 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

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

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

Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration

00:05

Lab assistant in gloves putting blood test tubes in rack or holder close up

00:10

Walking, exam and students talking about results on university campus and share test information or paperwork together. Scholarship, education and group of young people or friends in discussion

00:08

Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD

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

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

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

16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)

00:10

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

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

Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.

00:10

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

scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory

00:17

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

Lab work, Doctor holds a test tube takes the test from a test tube in analysis, blood, DNA, test tube stand.

00:21

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

Glass test tubes with liquid on white background.

00:12

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

Woman holding a pregnancy test in her hands. The result is positive.

00:12

Nurse puts a bar code on a test tube with a blood test

00:11

Airbag Deploys Closeup 2

00:29

Scientist with gloves injecting liquid sample into a plastic gradient lab for test

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

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

A close-up dolly shot of a student filling in the little bubble circles of a test paper.

00:38

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

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

Distorted Television bars signal. Error on the test signal

00:16

Tv screen with Indian Head Test Pattern

00:14

Please stand by screen with color bars pattern background with static noise

00:05

Positive pregnancy test in the hands of a teenage girl.

00:19

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

Drop of blue transparent liquid into test tubes in laboratory

00:15

close up view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube

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

Portrait of happy young woman looking at pregnancy test. Girl smiling after the positive result of pregnancy test

00:14

Intentional glitch distortion fx: a test pattern from a tv transmission, with colorful rotating bars, a black box and the warning text No signal.

00:12

Conceptual 4K video of a doctor holding and looking at a test tube while testing samples for presence of coronavirus (COVID-19).

00:10

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

Sterile Lab Test Tube Placement Under Clinical Lighting

00:08

Doctor monitors a shirtless man performing an exercise stress test on a treadmill in a medical lab

00:08

Technical Difficulties

00:05

doctor writing blood test results on the patients form

00:17

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

Filling out Answers on a Multiple Choice Test Close up

00:18

4K Close up of pencil being used on a multiple choice test paper

00:33

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

Person taking liquid sample from rusted barrel

00:08

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

Dynamic digital speed test interface displaying fluctuating download and upload speeds, showcasing real-time data metrics and vibrant graphical elements

00:10

Ultrasound image and positive pregnancy test on wooden surface

00:05

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

Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom

00:10

automatic hematology analyzer with glass test tubes with blood

00:12

The blood analysis. Analysis to identify the HIV virus.

00:13

4K Closeup of a woman hand checking blood sugar level with glucometer

00:07

Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture

00:20

Gloved hands inspect a large lens under bright lights

00:08

Blood samples in test tubes in the scientific research laboratory. One test tube is on the sheet with result of analysis. Biochemical test shows that blood is infected and urgent vaccination needed.

00:12

Lab technician holding blood tube sample for study. Medical technologist dropping blood into test tube in hospital laboratory

00:10

Unrecognizable man walking on treadmill during cardiac stress test

00:14

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

Glitchy test pattern screen for please stand by break, suitable for video production, tv and film projects, broadcasting, waiting rooms, and presentations.

00:10

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

Lab Research Test Tubes

00:08

Closeup of microscope with lens and laboratory glass setup

00:14

Hands, woman or stress with pregnancy test on sofa for negative results, bad news and IVF fail. Disappointed, girl or upset with stick outcome in home for infertility, ovulation planning or disbelief

00:05

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

over shoulder doctor writing on a form for a blood test

00:18

Completing blood draw.

00:20

Woman fingers pregnancy test making indoor closeup. Lady looking negative result Generative AI

00:09

Lab tests in test tubes with blood samples for medical research and analysis in a clinical setting with blue lids

00:05

Stunt driver performing car crash test safety experiment

00:05

Hands holding pregnancy test, turning to show one line negative test, problem family planning.

00:10

modern computed tomography scanner in blue hospital laboratory. medical equipment for diagnosis and radiology. clinical interior with mri machine and computer screen.

00:06

TV Test Card: An old-school TV test card displays a message signaling technical difficulties and a request to stand by, invoking a sense of vintage media nostalgia.

00:08