نتایج جستجو برای: astragalus sect dissitiflori

تعداد نتایج: 5307  

2013

Throughout this lecture, we let k denote an algebraically closed field, a prime number which is invertible in k. Let X be an algebraic curve over k, G a smooth affine group scheme over X whose generic fiber is semisimple and simply connected. Our goal, over the next several lectures, is to prove the following result: Theorem 1. Let R be a finitely generated k-algebra, let P be a G-bundle over t...

2017
Yu Hong Yan Luo Qi Gao Chen Ren Qiong Yuan Qin-Er Yang

Phylogenetic analyses were performed using multiple nuclear (ITS and ETS) and chloroplast regions (ndhF-trnL, psbA-trnH, psbD-trnT, and trnT-trnL) to test the monophyly of Aconitum subgen. Lycoctonum (Ranunculaceae) and reconstruct the phylogenetic relationships within the subgenus. The subgenus as currently circumscribed is revealed to be polyphyletic. To achieve its monophyly, sect. Galeata a...

2008
Lynne E. Parker

Within the context of multiple mobile robot systems, this chapter explores the current state of the art. After a brief introduction, we first examine architectures for multirobot cooperation, exploring the alternative approaches that have been developed. Next, we explore communications issues and their impact on multirobot teams in Sect. 40.3, followed by a discussion of swarm robot systems in ...

2016
Lynne E. Parker Daniela Rus Gaurav S. Sukhatme

Within the context of multiple mobile, and networked robot systems, this chapter explores the current state of the art. After a brief introduction, we first examine architectures for multirobot cooperation, exploring the alternative approaches that have been developed. Next, we explore communications issues and their impact on multirobot teams in Sect. 53.3, followed by a discussion of networke...

2008
Shuuji Kajita Bernard Espiau

In this chapter, we introduce legged robots. After introducing the history of legged robot research in Sect. 16.1, we start to discuss hopping robots and analyze a simple passive walker as a typical cycling walking robot in Sect. 16.2; the Poincaré map is one of the most important tools to analyze its dynamics and stability. In Sect. 16.3, the dynamics and control of general biped robots are di...

2012
Deqing Wang Yuan Zhuang Yaping Tian Graham Neil Thomas Mingzhong Ying Brian Tomlinson

Astragalus mongholicus Bunge has long been used to treat cardiovascular disease in Chinese traditional medicine. However, its mechanisms are not fully understood. In this study, we explored potential mechanisms and protective effects of total flavonoids of Astragalus (TFA) on cardiovascular disease using in vitro experiments and diet-induced atherosclerotic rabbits. We identified six components...

2008
Étienne André Emmanuelle Encrenaz Laurent Fribourg

We consider in this report systems modeled by timed automata. The timing bounds involved in the action guards and location invariants of our timed automata are not constants, but parameters. Those parametric timed automata allow to model various kinds of timed systems, e.g. communication protocols or asynchronous circuits. We will also assume that we are given an initial tuple π0 of values for ...

2005
Maciej Hrebien Andrzej Marciniak Józef Korbicz

In recent decade security systems based on biometric technologies have played an important role in our community. Fingerprint identification is one of the most important biometric approaches. The uniqueness of a fingerprint is exclusively determined by the local ridge characteristics called minutiae. The automatic fingerprint matching depends on the comparison of these minutiae and their relati...

Journal: :Ukrainian Religious Studies 1999

2014
John S. Fitzgerald Kenneth Pierce

This chapter introduces the first basic concepts of co-modelling and co-simulation, including notions of system, model and co-model, simulation and co-simulation, etc. It also describes the ways in which co-modelling and co-simulation can be integrated with established development processes such as IEEE 15288 (Systems and Software Engineering—System Life Cycle Processes, [45]) and IEEE 12207 (S...

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