例句與造句

1. To produce IRAP, blood is collected into a syringe of chromium sulfate-soaked beads and incubated for 24 hours.
2. For example, a fresh, green solution of trivalent chromium sulfate or chloride refuses to crystallise without slowly changing into the violet form, even if boiled till it concentrates into a tarry mass.
3. Most important commercially is basic chromium sulfate, which is thought to be [ Cr 2 ( H 2 O ) 6 ( OH ) 4 ] SO 4 ( CAS # 39380-78-4 ).
4. It's difficult to find chromium sulfate in a sentence. 用chromium sulfate造句挺難的