نتایج جستجو برای: emission spectrography

تعداد نتایج: 180330  

1997
P. Ferruit E. Pécontal A. S. Wilson L. Binette

We report observations of the Seyfert 2 galaxy NGC 5929 with the integral field spectrograph Tiger. These 2D spectrographic data, with sub-arcsecond spatial resolution, consist of 394 flux-calibrated spectra, covering the [N ii], Hα and [S ii] emission associated with the two radio-lobes. The two optical line emission components have been kinematically separated using Gaussian fitting of the sp...

Journal: :Knowledge 2022

The use of artificial intelligence in paediatrics has vastly increased the last few years. Interestingly, no historical bibliometric study analysing knowledge development this specific paediatric field been performed yet, thus our aimed to close gap. References Publication Years Spectrography (RPYS), more precisely Cited Reference Explorer (CRE) software tool was employed achieve aim. We identi...

Journal: :EURASIP J. Adv. Sig. Proc. 2005
Christophe Dorrer Ian A. Walmsley

Methods for the characterization of the time-dependent electric field of short optical pulses are reviewed. The representation of these pulses in terms of correlation functions and time-frequency distributions is discussed, and the strategies for their characterization are explained using these representations. Examples of the experimental implementations of the concepts of spectrography, inter...

2006
G. Vlad S. Briguglio F. Zonca

In this paper we study the interaction of fast particles with Alfvénic instabilities in Tokamak plasmas, with reference to present-day experiments that exploit strong energetic particle heating (namely, JT-60U [1]) and the consistency of proposed ITER burning plasma scenarios [2]. Concerning JT-60U, two different types of bursting modes have been observed by MHD spectrography in auxiliary heate...

2010
P. Dorfmüller D. Bazin S. Aubert R. Weil F. Brisset M. Daudon F. Capron I. Brochériou

Morbidity from calcific aortic valve disease (CAVD) is increasing. Recent studies suggest early reversible changes involving inflammation and neoangiogenesis. We hypothesized that microcalcifications, chemokines, and growth factors are present in unaffected regions of calcific aortic valves. We studied aortic valves from 4 patients with CAVD and from 1 control, using immunohistochemistry, scann...

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