...单循环 once-through operation; single circulation; single cycle; single loop; single round-robin; single-cycle; unicyclic 氮循环 cycle of nitrogen; cycleofnitrogen; nitrogen cycle; nitrogen recycle; nitrogencycle ..
Then by means of maximum matching number we give aformula to calculate the nullity of unicyclic graphs.
第三章主要给出计算单圈图的零度的公式。
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In this paper, inverse degree of unicyclic graphs and bicyclic graphs is discussed, and the extremal graphs that reach the upper and lower bounds are given.
The order of unicyclic graphs according to their largest eigenvalues is studied in this paper, and the first six unicyclic graphs in this order are determined.