"when"的搜索结果
找到 27 张相关图片
when the erythrocytic schizont ruptures merozoites spill into the blood and repeat the cycle of infecting erythrocytes
the gametocytes are infectious to mosquitoes when ingested in the intestine of the mosquito
plasmodium falciparum gametocytes when mature are crescent or sausage shaped
the zygoptera or damselflies who when in flight position their wings above their bodies
dragonflies are divided into two main groups the anisoptera true dragonflies that when in flight maintain a cross like
cracked surface of dredged spoils deposits which when wet became the oviposition
cannons such as this are used when projecting nets during the capture of large birds
these were the tools used by the pakistani malaria control team when they were mixing malathion powder
this individual will use this cannon net when capturing large birds during arbovirus field studies
when changing bandages that were in direct contact with the smallpox vaccination site
gauze and medical tape can be used when fashioning such a bandage
thin blood films such as this one should be air dried fixed with methyl alcohol and when dried immediately stained
the giemsa stain concentrate lt and a stock solution of giemsa stain rt are used when preparing malarial
team members took when traveling from village to village throughout the waterway traversed nation
