例句與造句

1. The ultrastructural localization of physodes can be examined through transmission electron microscopy in samples primarily fixed in 2.5 % glutaraldehyde and with postfixation with 1 % osmium tetroxide.
2. Fixation is usually performed by incubation in a solution of a buffered chemical fixative, such as glutaraldehyde, sometimes in combination with formaldehyde and other fixatives, and optionally followed by postfixation with osmium tetroxide.
3. It's difficult to find postfixation in a sentence. 用postfixation造句挺難的