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

凝胶是一种高分子聚合物，具用独的性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠的一种非炎症性、良性、性的以色素沉着为征的病变,该病的发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有元的环中两个倍幂等元的换子与两个倍对合元的换子的性问题。

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，具用独的热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑是结肠的一种非炎症性、良性、可逆性的以着为征的,的发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单位元的环中两个倍幂等元的换位子与两个倍对合元的换位子的可逆性问题。

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，具用独热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠一种非炎症性、良性、可逆性以色素沉着为征病变,该病发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单元环中两个倍幂等元子与两个倍对合元子可逆性问题。

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

热可逆凝胶是一种聚合物，具用独热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠一种非炎症性、良性、可逆性以色素沉着为征病变,该病发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单位环中两个倍幂换位与两个倍对合换位可逆性问题。

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

逆凝胶是一种高分子聚物，具用独的逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠的一种非炎症性、良性、逆性的以色素沉着为征的病变,该病的发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单位元的环中两个幂等元的换位子与两个元的换位子的逆性问题。

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

热胶是一种高分子聚合物，具用独的热性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠的一种非炎症性、良性、性的以色素沉着为征的病变,该病的发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一有单位元的环中幂等元的换位子与对合元的换位子的性问题。

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，独的热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变病是结肠的一种非炎症性、良性、可逆性的以色素沉着为征的病变,该病的发生与长期便秘服蒽琨类泻剂有关。

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

本文研究在一有单位元的环倍幂等元的换位子与倍对合元的换位子的可逆性问题。

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，具用独热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑是结肠一种非炎症性、良性、可逆性以色为征,该发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单位元环中两个倍幂等元换位子与两个倍对合元换位子可逆性问题。

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，具用独热可逆性。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变是结肠一种非炎症性、良性、可逆性素沉着为征变,发生与长期便秘服用蒽琨类泻剂有关。

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

本文研究在一个有单位元环中两个倍幂等元换位子与两个倍对合元换位子可逆性问题。