scientist examining microbiological cultures in petri dishes before putting them under the microscope in the laboratory - 培養皿 個影片檔及 b 捲影像00:28僅有女人
scientist examining microbiological cultures in a petri dish under a microscope - 培養皿 個影片檔及 b 捲影像00:11僅有女人
cancer research scientists inspecting samples under a microscope in a laboratory - 培養皿 個影片檔及 b 捲影像00:20
1980 bulb fields, tulips in the greenhouse, flower bulbs research in the laboratory, collecting stamens from a tulip for upgrading / lisse, wageningen, netherlands - 培養皿 個影片檔及 b 捲影像01:54
lab technician tests a towel that all the nurses use to dry their hands / united kingdom - 培養皿 個影片檔及 b 捲影像00:24
doctor swabs hospital nurses' hands to test for staph infections / united kingdom - 培養皿 個影片檔及 b 捲影像00:36
lab technician drops staph cultures on different squares in each agar plate / united kingdom - 培養皿 個影片檔及 b 捲影像00:50
lab technician places agar plate with bacteria in incubator to demonstrate result / united kingdom - 培養皿 個影片檔及 b 捲影像01:00
scientist arranging closed petri dish of flies within laboratory equipment and switching on at control panel / united kingdom - 培養皿 個影片檔及 b 捲影像00:28
flies buzzing inside a closed petri dish, dish being grabbed by a hand and pulled aside, scientist peering through microscope and researcher working... - 培養皿 個影片檔及 b 捲影像00:15
cu needles in petri dish, with researcher manipulating the needle / united states - 培養皿 個影片檔及 b 捲影像00:52
tilt down shot of male doctor doing scientific experiment in laboratory with coworkers in background - 培養皿 個影片檔及 b 捲影像00:27
tilt shot of female doctor doing scientific experiment in laboratory at hospital - 培養皿 個影片檔及 b 捲影像00:41
handheld shot of female doctor assisting coworker in scientific experiment at laboratory - 培養皿 個影片檔及 b 捲影像00:15
cu lab technician's hand pouring blue fluid from beaker into petri dish / berlin, germany - 培養皿 個影片檔及 b 捲影像00:19
cu dropper taking fluid sample from petri dish with pink fluid / berlin, germany - 培養皿 個影片檔及 b 捲影像00:08
cu dropper taking fluid sample from petri dish with pink fluid and putting it in petri dish of clear fluid / berlin, germany - 培養皿 個影片檔及 b 捲影像00:10
cu lab technician's hand taking sample with cotton swab from petri dish with pink fluid / berlin, germany - 培養皿 個影片檔及 b 捲影像00:11
computer generated view of cells dividing in a petri dish and the h5n1 'bird flu' virus spinning - 培養皿 個影片檔及 b 捲影像00:10
computer generated view of cells dividing in a petri dish with grid in background - 培養皿 個影片檔及 b 捲影像00:10