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[期刊论文] 作者：Bei NIU,Xin ZHANG,
来源：应用数学学报（英文版） 年份：2019
A graph is NIC-planar if it admits a drawing in the plane with at most one crossing per edge and such that two pairs of crossing edges share at most one common...
[期刊论文] 作者：Xiaobo QIN,Bei NIU,Lijuan FAN,,
来源：药用植物研究(英文版) 年份：2019
[Objectives]To study the culture of callus produced by the leaves of the ethnic medicine‘E Se’,the induction of adventitious buds and the regeneration system...
[期刊论文] 作者：Xiaobo QIN,Xinyi XU,Bei NIU,Xi,
来源：药用植物研究(英文版) 年份：2019
[Objectives] To study the polyphenol oxidase (PPO) activity and total phenol content of Docynia indica .[Methods] The tender branches and petioles of the medici...
[期刊论文] 作者：Xin ZHANG,Bei NIU,Yan LI,Bi LI,
来源：数学学报:英文版 年份：2021
The equitable tree-coloring can formulate a structure decomposition problem on the communication network with some security considerations.Namely,an equitable tree-Zc-coloring of a graph is a vertex coloring using k distinct colors such tha......
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