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初始值敏感的周期和混沌振荡模态系统同步稳定性(英文) 被引量:1
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作者 Fu-qiang WU Jun MA guo-dong ren 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2018年第12期889-903,共15页
目的:具有记忆特性的振子系统的模态选择对初始值具有敏感性。本文旨在探讨初始值控制的振子的耦合同步稳定一致性问题。创新点:1.两个周期振子耦合后达到混沌同步;2.周期振子和混沌振子耦合后达到周期性振荡同步。方法:1.通过分岔分析... 目的:具有记忆特性的振子系统的模态选择对初始值具有敏感性。本文旨在探讨初始值控制的振子的耦合同步稳定一致性问题。创新点:1.两个周期振子耦合后达到混沌同步;2.周期振子和混沌振子耦合后达到周期性振荡同步。方法:1.通过分岔分析,研究振荡模态和初始值选择之间的关系(图2、6和8);2.通过数值计算,研究两个周期振子在耦合下的混沌同步关系(图7);3.通过计算同步因子和斑图,分析同步一致性对耦合强度与记忆函数增益的依赖程度(图9和10);4.通过现场可编程门阵列验证动力系统模态对初始值的依赖程度(图11和12)。结论:1.具有记忆函数的非线性振子的动力学行为(如吸引子)在参数固定的情况下与初始值选取有关。2.不同类型振子的耦合可以达到多样同步行为;周期振子耦合达到混沌同步;周期振子耦合混沌振子可以抑制混沌。3.包含记忆函数的振子网络耦合同步非常困难。 展开更多
关键词 同步 分岔 同步因子 现场可编程门阵列
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Synthetic promoters consisting of defined cis-acting elements link multiple signaling pathways to probenazole-inducible system
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作者 Zheng ZHU Jiong GAO +4 位作者 Jin-xiao YANG Xiao-yan WANG guo-dong ren Yu-long DING Ben-ke KUAI 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE CAS CSCD 2015年第4期253-263,共11页
Probenazole (3-allyloxy-l,2-benzisothiazole-1,1-dioxide, PBZ), the active component of Oryzemate, could induce systemic acquired resistance (SAR) in plants through the induction of salicylic acid (SA) biosynthes... Probenazole (3-allyloxy-l,2-benzisothiazole-1,1-dioxide, PBZ), the active component of Oryzemate, could induce systemic acquired resistance (SAR) in plants through the induction of salicylic acid (SA) biosynthesis. As a widely used chemical inducer, PBZ is a good prospect for establishing a new chemical-inducible system. We first designed artificially synthetic promoters with tandem copies of a single type of cis-element (SARE, JERE, GCC, GST1, HSRE, and W-box) that could mediate the expression of the tS-glucuronidase (GUS) reporter gene in plants upon PBZ treatment. Then we combined different types of elements in order to improve inducibility in the PBZ-inducible system. On the other hand, we were surprised to find that the cis-elements, which are responsive to jasmonic acid (JA) and ethylene, also responded to PBZ, implying that SA, JA, and ethylene pathways also would play important roles in PBZ's action. Further analysis demonstrated that PBZ also induced early events of innate immunity via a signaling pathway in which Ca2+ influx and mitogen-activated protein kinase (MAPK) activity were involved. We constructed synthesized artificial promoters to establish a PBZ chemical-inducible system, and preliminarily explored SA, JA, ethylene, calcium, and MAPK signaling pathways via PBZ-inducible system, which could provide an insight for in-depth study. 展开更多
关键词 PROBENAZOLE Systemic acquired resistance (SAR) Cis-acting element Chemical-inducible system Synthetic promoter
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The larvae of Gnaptorina felicitana and Agnaptoria amdoensis of the tribe Blaptini from China(Coleoptera:Tenebrionidae)
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作者 Xi-Chao Zhu guo-dong ren 《动物分类学报》 CSCD 北大核心 2014年第2期275-282,共8页
This paper describes the morphological data of the larvae of two species from the tribe Blaptini Leach, 1815. The two species are Gnaptorina felicitana Reitter and Agnaptoria amdoensis G. Medvedev, whose larvae have n... This paper describes the morphological data of the larvae of two species from the tribe Blaptini Leach, 1815. The two species are Gnaptorina felicitana Reitter and Agnaptoria amdoensis G. Medvedev, whose larvae have not been reported up to now. In this paper, morphological characters, informations of specimen, and character figures of the two species' larvae are provided. A key to the two genera and the reported species is listed here. The larvae specimens are deposited in the Museum of Hebei University. 展开更多
关键词 COLEOPTERA TENEBRIONIDAE BLAPTINI larva.
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