新型冠狀病毒,covid-19,2019-ncov,沙斯,梅爾斯,h1n1,和流感流行傳播微觀觀點,全球致命病毒感染,科羅納大流行危機關閉,流感病毒受影響地區的微觀視圖。庫存視訊 - 顯微鏡 個影片檔及 b 捲影像00:16細菌
cu r/f shot of of microscope lens aimed at petri dish / virginia, united states - 顯微鏡 個影片檔及 b 捲影像00:13
elegant curves of a brass microscope gleam under controlled lighting in studio against black background - 顯微鏡 個影片檔及 b 捲影像00:10
close up of female scientist using microscope and makings adjustments on the focus to examine the sample more clearly - 顯微鏡 個影片檔及 b 捲影像00:10
diffusion and osmosis (2nd edition) - part 4 of 23. this film is a study of diffusion as it takes place in living cells. photomicrography, time-lapse photography, simple lab demonstrations, and a dynamic model all help to explain diffusion, to clarify how - 顯微鏡 個影片檔及 b 捲影像00:33水滴
lab technician in microscope room research and development of antiviral drugs. - 顯微鏡 個影片檔及 b 捲影像00:15
microscope, scientist and woman with research, laboratory and bacteria analysis for forensic study in hospital. science, professional and clinic tech for medical sample and dna test of virus molecule - 顯微鏡 個影片檔及 b 捲影像00:16
team with female neurologist scientist in a white lab coat examining the brain scan results on a computer screen - 顯微鏡 個影片檔及 b 捲影像00:30
pathologist using a microscope to analyze a tissue sample taken during a biopsy, new york city, ny, us, 1951. - 顯微鏡 個影片檔及 b 捲影像00:25
what is a fish? - part 32 of 39. illustrates the major types of fishes. shows the anatomy of a typical fish and demonstrates characteristic behavior patterns of various kinds of fishes. underwater photography is used to reveal behavior patterns such as c - 顯微鏡 個影片檔及 b 捲影像00:35
high angle close up rack focus researcher looking at slide through microscope at laboratory in milk factory - 顯微鏡 個影片檔及 b 捲影像00:06
static circular eyepiece close up of red blood cells moving slowly under laboratory light microscope, clinical hematology erythrocytes smear diagnostics human biology discovery healthcare science b roll footage, 4k resolution. - 顯微鏡 個影片檔及 b 捲影像00:18