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[会议论文] 作者：Ali Reza Ashrafi,
来源：The 12th Meeting of the International Academy of Mathematica 年份：2016
Suppose M is a molecule with molecular graph G and A is the set of all such graphs.A topological index is a function α from A into real numbers such that G...
[会议论文] 作者：Ali Reza Ashrafi,F.Koorepazan-Moftakhar,
来源：The 12th Meeting of the International Academy of Mathematica 年份：2016
A molecular graph is a graph with vertices as atoms of a molecule M and edges are chemical bonds of M.A graph is called tri-connected,if there does not exis...
[期刊论文] 作者：Ali Reza Ashrafi,Ahmad Reza Es,
来源：浙江大学学报 年份：2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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