skew group rings 斜群环
semi-group rings 半群环
Zero-divisor Graphs of Group Rings 群环的零因子图
matrix group over rings 环上矩阵群
group-graded rings 群分次环
group graded rings 群分次环
Brush-Holders for Slip-Rings Group R 汇流环组
rings and group 环与群
Shruhan told the Beijing embassy official that his group at Pfizer spent five years planning raids on counterfeit drug rings, the cable says.
据密报显示,丹•舒汉告知美国驻华使馆,之前还在辉瑞的时候,他的团队曾花了五年时间详细计划了对假冒药品团伙的打击行动。
Guanine: organic compound of the purine family often called a base consisting of two rings each containing both nitrogen and carbon atoms and an amino group.
鸟嘌呤:嘌呤类的有机化合物,常称为碱基,包含二个环,各含氮原子和碳原子,还有一个氨群。
The weakly graded periodic radical concept for general group graded rings is established, the fact that it is a graded special radical is proved and its graded module characterization is presented.
对一般群分次环建立了弱分次周期根的概念,证明它是一个分次特殊根,给出了它的分次模刻划,讨论了它与自反周期根的关系。
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