dropper placing a liquids sample substance droplet on a microscope and microscope glass slide - 顯微鏡載玻片 個影片檔及 b 捲影像00:12
black female scientist analyzing samples using a microscope at the hospital’s lab - 顯微鏡載玻片 個影片檔及 b 捲影像00:13
living things in a drop of water (1st edition) - part 11 of 20. striking photomicrography pictures single-celled and multi-celled plants and animals. the film helps children discover that these plants and animals have the same life functions as larger liv - 顯微鏡載玻片 個影片檔及 b 捲影像00:34
scientist hands in gloves hold sterile flask with red liquid. oil research and toxic liquid concept - 顯微鏡載玻片 個影片檔及 b 捲影像00:08
biology: exploring the living world - part 3 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their ph - 顯微鏡載玻片 個影片檔及 b 捲影像00:33
close up gloved hand selecting slide from rack / turning over slide to show tissue sample - 顯微鏡載玻片 個影片檔及 b 捲影像00:06醫學樣本
latin american female researcher analyzing a sample under the microscope at the lab - 顯微鏡載玻片 個影片檔及 b 捲影像00:15
1923 montage man looking in microscope with his hand moving slide under the lens / united states - 顯微鏡載玻片 個影片檔及 b 捲影像00:12
various cu ecu slide moving around on lit stage of atomic force microscope. - 顯微鏡載玻片 個影片檔及 b 捲影像00:33
various cu ecu fingers moving slide with dna sample into place on lit stage of an atomic force microscope. - 顯微鏡載玻片 個影片檔及 b 捲影像00:15
close up zoom out laboratory technician holding up slide with tissue sample / another tech looking on - 顯微鏡載玻片 個影片檔及 b 捲影像00:07醫學樣本, 組織學
microscopic close up of stained blood smear revealing immature leukemia blast cells in circular view, clinical hematology oncology diagnostic testing medical research laboratory nature documentary b roll footage, 4k uhd resolution. - 顯微鏡載玻片 個影片檔及 b 捲影像00:05
close-up of a laboratory microscope analyzing a sample specimen on a glass slide. professional biotechnology equipment used for clinical research, medical testing, and scientific discovery - 顯微鏡載玻片 個影片檔及 b 捲影像00:25
collagen liquid anti aging ingredient abstract liquid hyaluronic acid video - 顯微鏡載玻片 個影片檔及 b 捲影像00:12水滴
parasitism (parasitic flatworms) - part 12 of 28. traces the development of parasitic flatworms, showing several life-cycle stages that have rarely been photographed before, including blood flukes and tapeworms. defines predation, mutualism, internal and - 顯微鏡載玻片 個影片檔及 b 捲影像00:35
why foods spoil (molds-yeasts-bacteria) - part 12 of 24. describes the work of molds, yeasts, and bacteria, showing how they grow and multiply, how they spoil food, and how they can be destroyed. illustrates various processes used in food preservation - 顯微鏡載玻片 個影片檔及 b 捲影像00:32細菌
ecu, person wearing latex glove dropping liquid on glass microscope slide - 顯微鏡載玻片 個影片檔及 b 捲影像00:17醫學樣本