中

镤

Unicode: U+9564

Pinyin: pú

Definition

* 一种放射性金属元素，为最稳定的同位素。 * 古代称未经炼制的铜铁

protactinium (Pa)

Structure

镤 graph

Related substructures

muWkF6bC YNd1naNQ 34zvvOEr 2OWV3o8Q j5XXuWqb

Precursors

Transmitted Pre-Qin Forms
Pre-Qin forms (≤221 BCE) / late 2nd century BCE onward (Han → later textual transmission)
Pre-Qin character forms preserved through later textual transmission (often discussed as the 'Old Text' / guwen tradition). Shaped by repeated copying, they can diverge from excavated Warring States materials.Wikipedia ->
85_E96C

Last Modified: 2026-01-29 11:48 UTC