ivf procedure. ivf (in vitro fertilisation) is the fertilisation of an egg cell (centre) outside the human body. - 細胞核 個影片檔及 b 捲影像00:20
helium atom. diagram of an atom of the element helium, showing the central nucleus surrounded by its electron orbital. - 細胞核 個影片檔及 b 捲影像00:03
neutron absorbing control rods being removed slowly from the bepo reactor at harwell / oxfordshire, england - 細胞核 個影片檔及 b 捲影像00:28
animated graphic of radiation being emitted after the nucleus splits into two, leading to criticality / united kingdom - 細胞核 個影片檔及 b 捲影像01:17
animated graphics showing an atom's electrons, neutrons, protons and nucleus / united kingdom - 細胞核 個影片檔及 b 捲影像00:44