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[会议论文] 作者：Hanfeng Li,
来源：Operator Algebra and Harmonic Analysis(三亚国际论坛算子代数和谐波分析) 年份：2015
Given a unital ring R and a length function on R-modules,we introduce an invariant,called mean length,for modules of the group ring RΓ for any sofic group...
[期刊论文] 作者：Hanfeng LI,Delin HE,Jiajie FU,,
来源：农业生物技术:英文版 年份：2018
[Objectives]This study was conducted to find water-soluble fertilizers(WSFs)suitable for watermelon cultivation in Hainan area.[Methods]The effects of three WSF...
[期刊论文] 作者：Chuan Xia,Fan Zhang,Hanfeng Li,
来源：黑龙江科技学院学报 年份：2017
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...
[期刊论文] 作者：Hanfeng Li,Xianfu Zhang,Weihao Pan,
来源：控制理论与技术（英文版） 年份：2022
In this paper, the leader–follower consensus of feedforward nonlinear multi-agent systems is achieved by designing the distributed output feedback controllers with a time-varying gain. The agents dynamics are assumed to be in upper triangu......
[期刊论文] 作者：Hanfeng LI Delin HE Jiajie FU Kaidian WANG Xingjing YANG,
来源：农业生物技术（英文版） 年份：2018
Abstract[Objectives] This study was conducted to find watersoluble fertilizers （WSFs） suitable for watermelon cultivation in Hainan area. [Methods] The effects of three WSFs on watermelon yield and q...
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