laboratory and scientific experiments and formulation of chemicals for medical research - 毒理學 個影片檔及 b 捲影像00:10
futuristic biotechnology research featuring scientists using microscopes, analyzing blood samples and conducting liquid experiments in an advanced laboratory - 毒理學 個影片檔及 b 捲影像00:12
laboratory and scientific experiments and formulation of chemicals for medical research - 毒理學 個影片檔及 b 捲影像00:10
laboratory and scientific experiments and formulation of chemicals for medical research - 毒理學 個影片檔及 b 捲影像00:10
scientist in a lab studying effects of tar from cigarette smoking / united kingdom - 毒理學 個影片檔及 b 捲影像00:23
cu, zi, ecu scientist wearing protective gloves filling syringe with red liquid - 毒理學 個影片檔及 b 捲影像00:18
ukraine, chernobyl : radioactivity control on site, farms and countryside around nuclear plant, soldiers spray water on houses, stork in nest on top... - 毒理學 個影片檔及 b 捲影像02:25
forensics officers in salisbury taking samples from railings and a metal pole near the site of the poisoning of sergei and yulia skripal - 毒理學 個影片檔及 b 捲影像00:20
sergei skripal nerve agent attack daughter making recovery; england: london:intdr michelle carlin interview sot - 毒理學 個影片檔及 b 捲影像00:23
sergei skripal nerve agent attack: sergei skripal no longer in critical condition; england: extprofessor alastair hay interview sot - 毒理學 個影片檔及 b 捲影像00:14
1978 scientists test chemicals in the lab as chemical plant workers interact with carcinogenic materials - 毒理學 個影片檔及 b 捲影像00:38
sergei skripal nerve agent attack: salisbury investigation continues; wiltshire: salisbury: extclose shot of 'salisbury district hospital - main... - 毒理學 個影片檔及 b 捲影像01:05
former russian chemical warfare scientist vil mirzayanov saying he quit his role as he didn't feel chemical weapons were a "normal" way of fighting... - 毒理學 個影片檔及 b 捲影像00:17
novitchok nerve agents such as the one used on march 4 to poison a russian former spy in salisbury are powerful and deadly chemical compounds... - 毒理學 個影片檔及 b 捲影像02:05
sergei skripal nerve agent attack: injured police officer named as sergeant nick bailey / latest developments; location unknown:intprofessor alastair... - 毒理學 個影片檔及 b 捲影像00:10
sergei skripal nerve agent attack: injured police officer named as sergeant nick bailey / latest developments; england:intprofessor alastair hay... - 毒理學 個影片檔及 b 捲影像00:14