science, test and woman with pipette in lab, sample and liquid in glass tube for experiment research. medical, study and scientist with analysis of vaccine, biotechnology or development in laboratory - 科學樣本 個影片檔及 b 捲影像00:07
close-up of a scientist in blue gloves holding a geologic rock sample in a laboratory - 科學樣本 個影片檔及 b 捲影像00:07岩石
environment scientists sample wastewater in a test tube and drop chemicals to test the quality of water, industrial, and environment - 科學樣本 個影片檔及 b 捲影像00:17
ecologist collecting water samples in a forest stream for environmental research - 科學樣本 個影片檔及 b 捲影像00:12
science, microscope and sample with a doctor working in a laboratory for research on a medical vaccine. innovation, tech and futuristic medicine with a scientist man at work in a lab for breakthrough - 科學樣本 個影片檔及 b 捲影像00:19四K 解析度
dropper placing a liquids sample substance droplet on a microscope and microscope glass slide - 科學樣本 個影片檔及 b 捲影像00:12
scientist's gloved hand examining a beautiful crystal mineral specimen for geological research - 科學樣本 個影片檔及 b 捲影像00:07岩石
couple young smart farmer working with soil sampling and measuring the orchard and sunset sky background - 科學樣本 個影片檔及 b 捲影像00:13
material from asteroid bennu, which was recovered from nasa's osiris-rex spacecraft, being analysed by scientists at london's natural history museum - 科學樣本 個影片檔及 b 捲影像00:34
wide shot of park ranger collecting water sample from lake / vineyard, utah, united states - 科學樣本 個影片檔及 b 捲影像00:12
close-up of hands in gloves working carefully with chemical solutions in a scientific laboratory - 科學樣本 個影片檔及 b 捲影像00:05醫學樣本
chemist engineer with green safety jackets collect sample wastewater from factories, industrial, and environment - 科學樣本 個影片檔及 b 捲影像00:33
scientist observing the growth of cells cultured on the petri dish with microscope - 科學樣本 個影片檔及 b 捲影像00:12醫學樣本
team of scientists working together in a cbd medical marijuana research lab. researching the effects of cbd on patients - 科學樣本 個影片檔及 b 捲影像00:07醫學樣本
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 - 科學樣本 個影片檔及 b 捲影像00:20污水
laboratory scientist performing further tests for research experiments on fish roe eggs sample - 科學樣本 個影片檔及 b 捲影像00:11醫學樣本
the first asteroid sample collected from outer space from asteroid bennu was displayed at smithsonian national museum of natural history in... - 科學樣本 個影片檔及 b 捲影像04:23小行星
scientist, man and test tube with chemical and dropper for science experiment in lab, pharmaceutical and medical research. chemistry study, investigation and liquid solution with analysis and future - 科學樣本 個影片檔及 b 捲影像00:08
scientists working at pfizer pharmaceutical company laboratory, pearl river, new york state, u.s., on thursday, june 16, 2022. - 科學樣本 個影片檔及 b 捲影像00:13
lunar soil samples are seen at the china institute of atomic energy on march 23 in beijing, china. the samples were brought back to earth by china's... - 科學樣本 個影片檔及 b 捲影像00:26
scientific experiment equipment - hands inserting blood sample of covid-19 vaccine in test tube rack - 科學樣本 個影片檔及 b 捲影像00:14
university students conduct nuclear research in laboratory in bangkok / thailand - 科學樣本 個影片檔及 b 捲影像00:43
nutrition is studied by students and researchers in london and reading / united kingdom - 科學樣本 個影片檔及 b 捲影像01:19
miners entering mine and researcher installing dust sampler to retrieve air samples for monitoring and research / united kingdom - 科學樣本 個影片檔及 b 捲影像00:50
zi three masked and gloved usda workers taking culture swab of seagull / rhode island, united states - 科學樣本 個影片檔及 b 捲影像00:21
doctor observing samples through microscope and recording results, various microscopic images of diseases and parasites, and rehabilitation nurse... - 科學樣本 個影片檔及 b 捲影像00:28細菌
colliery spoil samples from durham being tested at a plant / durham, england, united kingdom - 科學樣本 個影片檔及 b 捲影像00:52
colliery spoil samples from durham being tested in laboratories / durham, england, united kingdom - 科學樣本 個影片檔及 b 捲影像00:41
scientist dissecting and testing fish for radioactivity in a laboratory / united kingdom - 科學樣本 個影片檔及 b 捲影像00:16
scientists collecting samples of marine life, including seaweed and fish, to test for radioactivity near a nuclear processing facility / united... - 科學樣本 個影片檔及 b 捲影像00:23