chemist engineer with green safety jackets collect sample wastewater from factories, industrial, and environment - 化學 個影片檔及 b 捲影像00:33
modern research laboratory workstation. female scientist working on a computer. researching genetic diseases - 化學 個影片檔及 b 捲影像00:08
organic blue lines energy in motion - seamless loop, dark background 4k stock video - 化學 個影片檔及 b 捲影像00:13黑色
the scientists examining toxic water samples. the laboratory assistant takes a water analysis in a puddle on a ditch coast. a woman with glasses dressed in a white lab coat. ecological water sampling - 化學 個影片檔及 b 捲影像00:25
the chemical crystallization of edta is like blooming flowers one after another - 化學 個影片檔及 b 捲影像00:09
technicians in sterile coverall working at modern semiconductor manufacturing plant - 化學 個影片檔及 b 捲影像00:25
black male leader assigning tasks to his team before starting their shift at a chemical plant - 化學 個影片檔及 b 捲影像00:14
team of latin american employees working at a chemical plant and black worker moving barrels of substances on a pallet jack - 化學 個影片檔及 b 捲影像00:16貨倉
male blue collar worker moving barrels with chemical products at a warehouse on a manual forklift - 化學 個影片檔及 b 捲影像00:07
close up and slow motion of overhead view of clear oil into a pool of water and filling up the frame with floating oil drops against a back lit dark gold background - 化學 個影片檔及 b 捲影像00:57
engineer worker in ppe suite quality control automated manufacturing medical mask prevention coronavirus. - 化學 個影片檔及 b 捲影像00:14
engineer worker in ppe suite quality control automated manufacturing medical mask prevention coronavirus. - 化學 個影片檔及 b 捲影像00:20
close up and slow motion of clear oil liquid falling into water transforming into large and small bubbles swirling in a scientific test tube - 化學 個影片檔及 b 捲影像01:00
animation two hydrogen atoms reacting with a oxygen atom/ two electrons being emitted, resulting in water molecule - 化學 個影片檔及 b 捲影像00:08
1948 close up male scientist pouring liquid from glass container into beaker + stirring - 化學 個影片檔及 b 捲影像00:06
b/w 1950s/60s close up glass tubes with electricity running thru them in laboratory - 化學 個影片檔及 b 捲影像00:01
macro close up of precision robotic gripper mechanism lowering purple cap blood sample tube inside cell counter analyzer, medical robotics engineering hematology technology documentary b roll footage, 4k uhd resolution. - 化學 個影片檔及 b 捲影像00:08
flame under beaker containing clear liquid, tilt up to student's hand swirling beaker with liquid, secondary school chemistry class, ireland; 1982 . - 化學 個影片檔及 b 捲影像00:15
science students collaborating on a chemical experiment in university laboratory - 化學 個影片檔及 b 捲影像00:20
mechanical engineers wearing safety helmets review the pipeline and plant system at an oil refinery. focus on teamwork, inspection, and technology in the petrochemical and fuel industry for safe and efficient manufacturing operations. - 化學 個影片檔及 b 捲影像00:10
scientists conducting research investigations in a medical laboratory, a researcher in the foreground is using a microscope - 化學 個影片檔及 b 捲影像00:16
scientists conducting research investigations in a medical laboratory, a researcher in the foreground is using a microscope - 化學 個影片檔及 b 捲影像00:14
chemist in protective gloves pouring vibrant purple liquid into a glass beaker - 化學 個影片檔及 b 捲影像00:11紫色
inspector analyzing generator and battery systems with digital instruments on construction site. - 化學 個影片檔及 b 捲影像00:12電池
3d rendering hydrogen refuelling station.renewable clean gas storage tanks of hydrogen .net zero concept. - 化學 個影片檔及 b 捲影像00:19
female and male scientists discussing lab results while reviewing data on a digital tablet - 化學 個影片檔及 b 捲影像00:09
science, laboratory or woman with microscope study for dna observation, medical research or gene editing. scientist, black person or sample glass for cell examination, microorganisms test or analysis - 化學 個影片檔及 b 捲影像00:12