نتایج جستجو برای: lpm

تعداد نتایج: 675  

Journal: :CoRR 2017
Niek Tax Marlon Dumas

Sequential pattern mining techniques extract patterns corresponding to frequent subsequences from a sequence database. A practical limitation of these techniques is that they overload the user with too many patterns. Local Process Model (LPM) mining is an alternative approach coming from the field of process mining. While in traditional sequential pattern mining, a pattern describes one subsequ...

2017
W. Wang X. Yuan

Virtual prototyping of power electronics systems can enable rapid and iterative design process, and can satisfy the need for higher power density. Thermal modelling is a key part in the multi-physics virtual prototyping. In this paper, the T-type steady-state lumped-parameter model (LPM) for a naturally cooled heat sink with a power device on top is established. Empirical equations for the conv...

Journal: :Mechanisms of Development 2000
Axel Schweickert Marina Campione Herbert Steinbeisser Martin Blum

During vertebrate left-right development the homeobox gene Pitx2 serves as a mediator between transient nodal signaling in the left lateral plate mesoderm (l-LPM) and asymmetric organ morphogenesis. Misexpression of Pitx2 in chick and frog led to alteration of organ situs. Here we report the presence of different Pitx2 isoforms in mouse and frog. Pitx2c but not Pitx2a or Pitx2b was asymmetrical...

2008
V. N. Baier V. M. Katkov

The spectral distribution of electron-positron pair created by photon and the spectral distribution of photons radiated from high-energy electron in an oriented single crystal is calculated using the method which permits inseparable consideration both of the coherent and incoherent mechanisms of two relevant processes. The method includes the action of field of axis (or plane) as well as the mu...

2015
M. S. Rajeshwari M. S. Pushpa

Address for Correspondence: Dr. M.S.Rajeshwari, Professor of Anatomy, Department of Anatomy, Bangalore Medical College & Research Institute, Bangalore, Karnataka, India. E-Mail: [email protected] Background: Lateral pterygoid muscle plays an important role in the mandibular movements and dynamics of temporomandibualr joint. Anterior displacement of the disc and temporomandibular dysfu...

2008
S. J. Sciutto

An analysis of the influence of the Landau-Migdal-Pomeranchuck (LPM) effect on the development of air showers initiated by astroparticles, is presented. By means of computer simulations using algorithms that emulate Migdal’s theory, including also the so-called dielectric suppression, we study the behaviour of the relevant observables in the case of ultra high energy primaries. We find that the...

1998
V. M. KATKOV

The cross section of bremsstrahlung from high-energy electron suppressed due to the multiple scattering of an emitting electron in a dense media (the LPM effect) is discussed. Development of the LPM effect theory is outlined. For the target of finite thickness one has to include boundary photon radiation as well as the interference effects. The importance of multiphoton effects is emphasized. C...

Journal: :Physical review letters 2003
H D Hansen U I Uggerhøj C Biino S Ballestrero A Mangiarotti P Sona T J Ketel Z Z Vilakazi

Experimental results for the radiative energy loss of 149, 207, and 287 GeV electrons in a thin Ir target are presented. From the data we conclude that at high energies the radiation length increases in accordance with the Landau-Pomeranchuk-Migdal (LPM) theory and thus electrons become more penetrating the higher the energy. The increase of the radiation length as a result of the LPM effect ha...

2017
Benjamin Dalmas Niek Tax Sylvie Norre

Local Process Models (LPMs) describe structured fragments of process behavior occurring in the context of less structured business processes. In contrast to traditional support-based LPM discovery, which aims to generate a collection of process models that describe highly frequent behavior, High-Utility Local Process Model (HU-LPM) discovery aims to generate a collection of process models that ...

Journal: :Lancet 2014
Guillaume Fournié Dirk U Pfeiffer

After isolation of avian infl uenza A H7N9 virus from live poultry markets (LPMs), and reports that several people who were infected with the virus had visited such markets a few days before disease onset, LPMs were suspected to be a main source of human exposure to H7N9 in China. After LPM closure was enforced in several Chinese cities, the incidence of H7N9 human cases rapidly reduced. In The...

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