نتایج جستجو برای: cutoff

تعداد نتایج: 18522  

1999
U. M. Heller F. Karsch B. Sturm

We analyze the cutoff dependence of the fermion contribution to the finite temperature free energy density in O(g 2) lattice perturbation theory for several improved staggered fermion actions. Cutoff effects are drastically reduced for the Naik action and an action with improved rotational symmetry of the quark propagator. We show that improvement of rotational symmetry at O(g 2) further reduce...

2017

• Long-range adjustable-field background suppression sensor detects objects within a defined sensing field, while ignoring objects located beyond the sensing field cutoff • Two-turn, logarithmic adjustment of sensing field cutoff point from 0.2 m to 2 m (7.9 in to 6.6 ft); allows easy setting of cutoff point at long range • Rotating pointer indicates relative cutoff point setting • Easy push-bu...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2007
Johan A Maertens Rocus Klont Christine Masson Koen Theunissen Wouter Meersseman Katrien Lagrou Christine Heinen Brigitte Crépin Johan Van Eldere Marc Tabouret J Peter Donnelly Paul E Verweij

BACKGROUND Many health care centers worldwide use the Platelia Aspergillus enzyme immunoassay (PA-EIA; Bio-Rad Laboratories) for diagnosis of invasive aspergillosis (IA). A cutoff optical density (OD) index of 1.5 was originally recommended by the manufacturer, but in practice, most institutions use lower cutoff values. Moreover, a cutoff OD index of 0.5 was recently approved in the United Stat...

2017
Xue Wang Yu Zhao Yumin Hu Yongjin Zhou Xinjian Ye Kun Liu Guanghui Bai Anna Guo Meimei Du Lezhen Jiang Jinhong Wang Zhihan Yan

Previous researchers obtained various apparent diffusion coefficient (ADC) cutoff values to differentiate endometrial carcinoma from benign mimickers with 1.5T magnetic resonance imaging (MRI). Few studies have used 3T MRI or validated the effectiveness of these cutoff ADC values prospectively. This study was designed in two stages to obtain a cutoff ADC value at 3T MRI and to validate prospect...

Journal: :CoDAS 2015
Fabiana Zambon Felipe Moreti Aline Cristina Tafarelo Vargas Mara Behlau

PURPOSE To identify the efficiency characteristics and cutoff values of the dimensions of the Voice Activity and Participation Profile (VAPP) protocol, which discriminates the dysphonic and vocally healthy individuals; to verify if the cutoff values remain the same for a sample of teachers. METHODS Efficiency characteristics and cutoff values of VAPP data from 171 subjects were analyzed by re...

Journal: :Revista espanola de medicina nuclear 2005
P González T Massardo M J Jofré J Yovanovich H Prat A Muñoz M Arriagada W Anzoátegui A R Carmona

UNLABELLED Coronary angiography is the "gold standard" for the diagnosis of coronary artery disease (CAD). The aim of this work was to compare 201Thallium SPECT with different coronary angiographic cutoff values. METHODS Data pertaining to 145 patients were tabulated. All patients underwent stress ECG, 201Thallium SPECT and coronary angiography. To assess the cutoff impact, two criteria for c...

2014
EYAL LUBETZKY

On any locally-finite geometry, the stochastic Ising model is known to be contractive when the inverse-temperature β is small enough, via classical results of Dobrushin and of Holley in the 1970’s. By a general principle proposed by Peres, the dynamics is then expected to exhibit cutoff. However, so far cutoff for the Ising model has been confirmed mainly for lattices, heavily relying on amenab...

2001
Achim Kempf Jens C. Niemeyer

As a potentially accessible window to aspects of Planck scale physics it has been pointed out that the perturbation spectrum predicted by inflation may be sensitive to a natural ultraviolet cutoff. A fairly general classification of the possible short-distance cutoffs that one may encounter at the Planck scale has also recently been given. Indeed, various studies of quantum gravity and string t...

2017

• Adjustable-field background suppression sensor detects objects within a defined sensing field, while ignoring objects located beyond the sensing field cutoff • Two-turn, logarithmic adjustment of sensing field cutoff point from 0.2 m to 1 m (7.9 in to 3.3 ft); allows easy setting of cutoff point at long range • Rotating pointer indicates relative cutoff point setting • Easy push-button or rem...

2002
Bing Shan Xiao-Min Tong Zengxiu Zhao Zenghu Chang C. D. Lin J. R. Macdonald

High-order harmonic generation has been observed experimentally from O2 molecules at the saturation ionization intensity. The harmonic cutoff extends far beyond the cutoff of Xe despite both have nearly equal ionization potentials. In contrast, the harmonic spectra for N2 and Ar, which have almost the same ionization potentials, are essentially close to each other. We show the extension of harm...

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