reveal shot, female scientist shaking liquid solution and using pipette examines drop sample into laboratory flask, for performing pharmaceutical research, drug test, chemistry analysis and quality control. - 液體溶液 個影片檔及 b 捲影像00:12
female scientist using pipette examines drop sample to liquid solution and shake in laboratory flask, for performing pharmaceutical research, drug test, chemistry analysis and quality control. - 液體溶液 個影片檔及 b 捲影像00:12
in a laboratory, three large rolling machines are seen spinning a metallic strand around themselves, u.s.a., 1975. - 液體溶液 個影片檔及 b 捲影像00:10
at a test site, a thruster engine is seen igniting and lighting up the landscape, u.s.a., 1975. - 液體溶液 個影片檔及 b 捲影像00:13
in a factory, footage shows a drill drilling into a piece of metal. followed by a large sanding machine shaving off pieces from a wooden plank.... - 液體溶液 個影片檔及 b 捲影像00:19
at a test site, a thruster engine is seen igniting and lighting up the landscape, u.s.a., 1975. - 液體溶液 個影片檔及 b 捲影像00:15
in a laboratory, a small thruster engine is seen being put to the test, u.s.a., 1975. part 2. - 液體溶液 個影片檔及 b 捲影像00:10
in a laboratory, close up shots show a beaker, flask, and test tube being filled with liquid solutions, u.s.a., 1975. - 液體溶液 個影片檔及 b 捲影像00:10
in a laboratory, a long strip of rubber is seen being burned during a test. three gages activate and spin throughout the burn. sparks fly off the... - 液體溶液 個影片檔及 b 捲影像00:17
in a laboratory, a small thruster engine is seen being put to the test, u.s.a., 1975. part 1. - 液體溶液 個影片檔及 b 捲影像00:09
cleaning solar panels: ensuring optimal renewable energy efficiency and longevity with water spray - 液體溶液 個影片檔及 b 捲影像00:05
close-up of an advanced industrial drone with integrated liquid spraying tank - 液體溶液 個影片檔及 b 捲影像00:05
precision agriculture: an advanced drone sprays a verdant green field for optimal crop health and modern farm management - 液體溶液 個影片檔及 b 捲影像00:10
close up microscope stage with blue sample liquid glass slide. microscopic examination, sample illumination, laboratory equipment, scientific detail - 液體溶液 個影片檔及 b 捲影像00:19
close up microscope stage with blue sample liquid glass slide. microscopic examination, sample illumination, laboratory equipment, scientific detail - 液體溶液 個影片檔及 b 捲影像00:13
asian female scientist adjusting microscope setup for biological sample testing - 液體溶液 個影片檔及 b 捲影像00:15
asian female scientist adjusting microscope setup for biological sample testing - 液體溶液 個影片檔及 b 捲影像00:14
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:14
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:15
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:11
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:15
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:15
close up pipetting liquid solution onto microscope glass slide detailed close-up shot of a scientist using a pipette dropper to drop liquid solution onto a microscope glass slide for testing. - 液體溶液 個影片檔及 b 捲影像00:19
female scientist looking through microscope in laboratory. scientific research, laboratory analysis, medical discovery, biotechnology - 液體溶液 個影片檔及 b 捲影像00:16