نتایج جستجو برای: dcc

تعداد نتایج: 1899  

1997
V. A. GANI

We discuss the space-time structure for the process of decay of a bubble of hypothetic phase – disoriented chiral condensate (DCC). The evolution of initial classical field configuration corresponding to the bubble of DCC is studied both numerically and analytically. The process of decay of this initial configuration depends crucially on selfinteraction of the pionic fields. It is shown that in...

Journal: :تحقیقات مالی 0
محمد رضا رستمی استادیار مدیریت مالی، دانشگاه الزهرا، تهران ، ایران فاطمه حقیقی کارشناس ارشد مدیریت بازرگانی گرایش مالی، دانشگاه الزهرا (س)، تهران، ایران

in this paper we compared multivariate garch models toestimate value-at-risk. we used a portfolio of weekly indexesincluding tedpix, klse, xu100 during ten years. to estimatevalue-at-risk, first we estimated ccc, dcc of engle, dcc of tseand tsui, dynamic equi correlation models by oxmetrics. then,optimum lags were estimated by minimizing the information criteria.to estimate var, the models accu...

Journal: :Radiation protection dosimetry 2006
B M F Lau D Nikezic K N Yu

The dose conversion coefficient (DCC) is used to assess the risk due to inhaled radon progeny in the human lung. The present work uses the microdosimetric approach and determines the linear energy transfer in the target cell nuclei. Killing of target cells was also taken into account through an effect-specific track length model. To focus on the relevant part of the absorbed dose in the cell nu...

Journal: :FEMS immunology and medical microbiology 2008
Kimberly M Roth Steve Oghumu Anjali A Satoskar John S Gunn Nico van Rooijen Abhay R Satoskar

Francisella tularensis causes pulmonary tularemia and death in humans when left untreated. Here, using a novel aerosol infection model, we show that acute pulmonary Francisella novicida infection not only causes pneumonia and liver damage, but also induces dystrophic cardiac calcinosis (DCC) in BALB/c mice. C57BL/6 mice also develop pneumonia and hepatic damage, but fail to develop DCC. Develop...

2008
Xingyan Jiang Yuanzhu Peter Chen Tina Yu

We propose an innovative cooperative co-evolutionary computation framework, Dynamic Cooperative Coevolution (DCC), which provides dynamic coupling of neighboring species for the fitness evaluation of individuals. One feature of DCC is the utilization of local fitness to achieve a global optimum, which makes it possible for co-evolutionary algorithms to be applied in localized distributed enviro...

Journal: :Development 2014
Christophe Laumonnerie Ronan V Da Silva Artur Kania Sara I Wilson

The establishment of anatomically stereotyped axonal projections is fundamental to neuronal function. While most neurons project their axons within the central nervous system (CNS), only axons of centrally born motoneurons and peripherally born sensory neurons link the CNS and peripheral nervous system (PNS) together by navigating through specialized CNS/PNS transition zones. Such selective res...

2010
Torsten Fauth Felix Müller-Planitz Cornelia König Tobias Straub Peter B. Becker

Dosage compensation in Drosophila melanogaster involves the selective targeting of the male X chromosome by the dosage compensation complex (DCC) and the coordinate, approximately 2-fold activation of most genes. The principles that allow the DCC to distinguish the X chromosome from the autosomes are not understood. Targeting presumably involves DNA sequence elements whose combination or enrich...

2007
Robert A Meck Arland L Carsten John J Kelsch

In order to investigate some characterist ics of Mil l ipore diffusion chamber cultures (DCC) and their potential for the quantitation of tumor cell growth kinetics, HeLa S-3-cells were grown in diffusion chambers implanted i.p. in mice. HeLa cells grew pseudologari thmical ly in DCC with a populat ion-doubl ing time of approximately 2.8 days when 9.2 to 12.0 • 105 cel ls were placed in the cha...

2016
Filip A Konopacki Hovy Ho-Wai Wong Asha Dwivedy Anaïs Bellon Michael D Blower Christine E Holt

Endocytosis and local protein synthesis (LPS) act coordinately to mediate the chemotropic responses of axons, but the link between these two processes is poorly understood. The endosomal sorting complex required for transport (ESCRT) is a key regulator of cargo sorting in the endocytic pathway, and here we have investigated the role of ESCRT-II, a critical ESCRT component, in Xenopus retinal ga...

2012
Rafael S. Demarco Eric C. Struckhoff Erik A. Lundquist

The mechanisms linking guidance receptors to cytoskeletal dynamics in the growth cone during axon extension remain mysterious. The Rho-family GTPases Rac and CDC-42 are key regulators of growth cone lamellipodia and filopodia formation, yet little is understood about how these molecules interact in growth cone outgrowth or how the activities of these molecules are regulated in distinct contexts...

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