نتایج جستجو برای: nuclear tracks

تعداد نتایج: 253894  

Journal: :Particles 2021

In this talk we presented a novel technique, based on Deep Learning, to determine the impact parameter of nuclear collisions at CBM experiment. PointNet Learning models are trained UrQMD followed by CBMRoot simulations Au+Au 10 AGeV reconstruct from raw experimental data such as hits particles in detector planes, tracks reconstructed or their combinations. The can perform fast, accurate, event-...

2002
Björn GOTTFRIED B. Gottfried

A new approach to qualitatively describe shapes is introduced. A set of qualitatively distinct polygons is proposed, which can be characterised by a number of predicates. Interesting properties concerning the similarity of different polygons arise. As a result, the difficulty in defining equivalence classes of polygons can be overcome in a special qualitative manner. The usefulness of this appr...

Journal: :Systematic biology 2013
Jonathan M Waters Steven A Trewick Adrian M Paterson Hamish G Spencer Martyn Kennedy Dave Craw Christopher P Burridge Graham P Wallis

JONATHAN M. WATERS1,∗, STEVEN A. TREWICK2, ADRIAN M. PATERSON3, HAMISH G. SPENCER1, MARTYN KENNEDY1, DAVE CRAW4, CHRISTOPHER P. BURRIDGE5, AND GRAHAM P. WALLIS6 1Allan Wilson Centre for Molecular Ecology and Evolution, Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand; 2Ecology Group, IAE, Massey University, Private Bag 11-222, Palmerston North, New Zealand; 3Departmen...

2008
Michelle M. Dolan Grant J. Mathews

We have constructed a series of quasi-hydrostatic evolutionary models for the M2 Iab supergiant Betelgeuse (α Orionis). Our models are constrained by the observed temperature, luminosity, surface composition and mass loss for this star, along with recent parallax measurements and high resolution imagery which directly determine its radius. The surface convective zone obtained in our model rough...

Journal: :Annals of Nuclear Energy 2021

This work proposes a new hybrid control strategy for pressurized water type nuclear power plant by integrating linear quadratic integrator (LQI), Gaussian (LQG), and loop transfer recovery (LTR) approaches. The multi-input multi-output model adopted in this is characterized 38 state variables. nonlinear linearized around steady-state operating conditions to obtain the controller design. propose...

Journal: :Baghdad Science Journal 2023

Urine samples had been gathered from females living in Baghdad city. The sample consisted of 30 who suffered U.T.I (Urinary tract infections) and 20 healthy females. type urine was specified by the emergency lab Al-Kindy hospital, alpha tracks were determined nuclear track detector CR-39. concentrations taken ranged 0.327ppm-1.583ppm, with an average 0.94965 ppm. maximum value 1.583 ppm is belo...

Journal: :The Journal of Cell Biology 2006
William A. Wells

Flow makes vein L eaf veins, just like roots and shoots, use fl ows of the plant hormone auxin to drive their patterning, say Enrico Scarpella (University of Alberta, Canada), Thomas Berleth (University of Toronto, Canada), and colleagues. Models for leaf vein patterning have been based on either auxin fl ows or reaction–diffusion systems. The fl ow models had a hard time explaining how loops w...

Journal: :The Journal of Cell Biology 2003
Nicole LeBrasseur

arly endosomes may help to create their own short-range tracks, according to a report from Stéphane Gasman, Yannis Kalaidzidis, and Marino Zerial (Max Planck Institute, Dresden, Germany). The results also suggest parallels between membrane trafficking, signaling, and regulation of the cytoskeleton. Trafficking of early endosomes requires the small GTPase RhoD. Zerial’s group identified the firs...

Journal: :Radiation measurements 1999
R Katz F A Cucinotta

Studies of the structure of particle tracks have led to models of track effects based on radial dose and radiobiological target theory that have been very successful in describing and predicting track effects in physical, chemical, and biological systems. For describing mammalian cellular inactivation two inactivation modes are required, called gamma-kill and ion-kill, the first due to synergis...

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