scientist examining a dna autoradiogram showing the genetic make up of a sample in the laboratory - 實驗室 個影片檔及 b 捲影像00:16
b/w 1948 ms profile scientist removing cup from bubbling beaker in laboratory - 實驗室 個影片檔及 b 捲影像00:14白人
futuristic research laboratory workstation with a microscope. scientist team working researching together - 實驗室 個影片檔及 b 捲影像00:19
professional woman scanning a dental model on 3d while checking the laptop screen - 實驗室 個影片檔及 b 捲影像00:10
video portrait of african-american male scientist wearing protective workwear and facing at the camera smiling - 實驗室 個影片檔及 b 捲影像00:11微笑
scientist, tablet and medicine research with computer, teamwork and collaboration laboratory with tech. asian women, brainstorming and medical science expert discuss analysis, online and internet - 實驗室 個影片檔及 b 捲影像00:09
asian female medical research scientists in laboratory looking through a microscope - 實驗室 個影片檔及 b 捲影像00:26
latin american technician working at the hospital laboratory analyzing blood tests - 實驗室 個影片檔及 b 捲影像00:09
woman, thinking and writing on glass for chemistry, problem solving or brainstorming in lab. medical scientist, molecular compound and formula on board for insulin development or medicine engineering - 實驗室 個影片檔及 b 捲影像00:08
water samples for ph and chlorine levels. environment scientists sample wastewater in a test tube and drop chemicals to test the quality of water, industrial, and environment - 實驗室 個影片檔及 b 捲影像00:20污水
group of scientist with a female leader wearing protective lab coats working together in a botanical laboratory. preparing samples - 實驗室 個影片檔及 b 捲影像00:13
scientist in coverall suit working withthe radioactive weapon.biohazard emergency response. high tech research - 實驗室 個影片檔及 b 捲影像00:18
b/w 1950s high angle close up over-the-shoulder man looking through microscope at slide in laboratory - 實驗室 個影片檔及 b 捲影像00:12
person, scientist and writing with clipboard for checklist, experiment or test results at laboratory. closeup, biologist or science researcher with notes for survey, clinical trial or exam at lab - 實驗室 個影片檔及 b 捲影像00:08
researcher analyzing red solution in test tube in laboratory. analysis involved in scientific research, emphasizing the importance of precision and protective equipment in the laboratory. - 實驗室 個影片檔及 b 捲影像00:12體檢
science, microscope and black woman in laboratory for medical analysis, research and study. healthcare, biotechnology and scientist with equipment for sample, experiment and vaccine development - 實驗室 個影片檔及 b 捲影像00:09
ws scientists working in lab and performing various experiments / united states - 實驗室 個影片檔及 b 捲影像00:09
august 22, 1932 montage chemist testing liquor in laboratory / san francisco, california, united states - 實驗室 個影片檔及 b 捲影像00:15加州
ms science students examining chemicals and using laptop, microscope in laboratory / delhi, india - 實驗室 個影片檔及 b 捲影像00:12印度人
ws, td an engineer tests the front end unit of an array at alma / san pedro de atacama, chile - 實驗室 個影片檔及 b 捲影像00:15
engineer in uniform wearing gloves collects used motor oil sample using vacuum pump and hose for laboratory analysis. concept of industrial research, lubrication testing, and quality control in automotive maintenance workshop. - 實驗室 個影片檔及 b 捲影像00:15
modern greenhouses of the future monitor plant growth and grow pure, unmodified natural products in hydroponic vertical farms - 實驗室 個影片檔及 b 捲影像00:27
wide-angle view of modern laboratory featuring clean workbenches and centrifuges - 實驗室 個影片檔及 b 捲影像00:09
typing on a laptop in the office, working on computers and documents, sending messages and sending emails. - 實驗室 個影片檔及 b 捲影像00:16
close-up female neurologist scientist in a white lab coat examining microscope test sample - 實驗室 個影片檔及 b 捲影像00:18
