This paper is a study on the invertibility of the commutator of scalar-idempotent elements and scalar-involutory elements of a unitary ring.

本文研究在一个有环中两个倍幂等子与两个倍对合子可逆性问题。

The reversible gel is a kind of high molecular polymer.It has peculiar thermal invertibility and peculiar thermal sensitivity.

热可逆凝胶是一种高分子聚合物，具用独特热可逆性。