close-up of scientist hand loading chemicals into chromatography column. ensures accuracy during this crucial phase of chemical analysis. - 色譜法 個影片檔及 b 捲影像00:13
male chemist operating gc auto-samplers for sample analysis with main computer. integration of advanced technology and scientific expertise in modern chemical research. - 色譜法 個影片檔及 b 捲影像00:09
scientists discussing column chromatography separation in laboratory. collaboration, expertise, and scientific exploration crucial for advancements in chemistry, biotechnology, and medical research. - 色譜法 個影片檔及 b 捲影像00:14
technicians test cork stopper samples in a laboratory during analysis by gas chromatography to detect undesirable components at the amorim & irmaos... - 色譜法 個影片檔及 b 捲影像01:14
photosynthesis (3rd edition) - part 21 of 35. a fascinating look at a process that is one of the key energy producers for all life - and the current research being done to expand its potential use. the film examines chemical changes and structures involve - 色譜法 個影片檔及 b 捲影像00:26
1976 montage ms cu scientist using chromatography for analysis / united states / audio - 色譜法 個影片檔及 b 捲影像00:08
an amorim & irmaos sa sign sits outside a natural cork stopper factory, operated by corticeira amorim sgps sa, in santa maria da feira, portugal, on... - 色譜法 個影片檔及 b 捲影像01:44
young asian woman using mobile phone to take a selfie with green screen background. 4k - 色譜法 個影片檔及 b 捲影像00:10
researcher analyzing test results from gas chromatography-mass spectrometer. highlights the integration of advanced technology in scientific research. - 色譜法 個影片檔及 b 捲影像00:08
scientist cleaning chemicals in round-bottom flask for analysis. precision and expertise in scientific experimentation, showcasing the careful preparation essential for accurate results. - 色譜法 個影片檔及 b 捲影像00:10
the diversity of scientists has a discussing their research on aquatic toxicity testing samples in an environmental laboratory .they find the method for reduce toxic in environment. - 色譜法 個影片檔及 b 捲影像00:15
the diversity of scientists has a discussing their research on aquatic toxicity testing samples in an environmental laboratory .they find the method for reduce toxic in environment. - 色譜法 個影片檔及 b 捲影像00:16
african american students at school science fair, black teenagers make presentations on ozone layer, chromatography - 色譜法 個影片檔及 b 捲影像00:29