Search results for " Total"

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

2014

The T2K off-axis near detector, ND280, is used to make the first differential cross-section measurements of electron neutrino charged current interactions at energies ~1 GeV as a function of electron momentum, electron scattering angle and four-momentum transfer of the interaction. The total flux-averaged $\nu_e$ charged current cross-section on carbon is measured to be $1.11\pm0.09~(stat)\pm0.18~(syst)\times10^{-38} cm^2/nucleon$. The differential and total cross-section measurements agree with the predictions of two leading neutrino interaction generators, NEUT and GENIE. The NEUT prediction is $1.23\times10^{-38} cm^2/nucleon$ and the GENIE prediction is $1.08\times10^{-38} cm^2/nucleon$…

Idiopathic Acquired Leukonychia in a 34-Year-Old Patient

2009

We present a rare case of a 34-year-old patient with persistent, progressive, acquired leukonychia totalis and partialis. Idiopathic acquired leukonychia is a rare chromatic disorder of the nail not associated with other abnormalities and discernible etiology. Our case report did not link the inheritance of leukonychia with diverse clinical syndromes. To our knowledge, only five cases of idiopathic, acquired, true total leukonychia were found in literature. This case was the sixth patient with asymptomatic idiopathic, white fingernails, and toenails without a hereditary cause.

Dual guidewire balloon antegrade fenestration and re‐entrytechnique for coronary chronic total occlusions percutaneouscoronary interventions

2022

Objectives:To describe the experience of coronary chronic total occlusions (CTOs)percutaneous coronary interventions (PCI) using antegrade fenestration and re‐entry(AFR) technique with a dedicated dual guidewire balloon (DGB).Background:Antegrade dissection and re‐entry (ADR) techniques has beenemphasized in recent worldwide CTO consensus documents. We investigated thefeasibility and safety of DGB as a dedicated device to perform guidewire‐based AFR.Methods and Results:Fourteen consecutive patients with complex CTO (J‐CTOscore: 3.1 ± 0.9) underwent DGB‐AFR in the years 2020–2021. DGB‐AFR consists inadvancing the DGB over a guidewire that reached the vessel distal to the CTO in anextra plaqu…

Variazione di alcuni parametri qualitativi in frutti di pesco della cv Rich May in due combinazioni d'innesto

2009

Negative pressures in CaWO4 nanocrystals

2009

Tetragonal scheelite-type CaWO4 nanocrystals recently prepared by a hydrothermal method show an enhancement of its structural symmetry with the decrease in nanocrystal size. The analysis of the volume dependence of the structural parameters in CaWO4 nanocrystals with the help of ab initio total-energy calculations shows that the enhancement of the symmetry in the scheelite-type nanocrystals is a consequence of the negative pressure exerted on the nanocrystals; i.e., the nanocrystals are under tension. Besides, the behavior of the structural parameters in CaWO4 nanocrystals for sizes below 10 nm suggests an onset of a scheelite-to-zircon phase transformation in good agreement with the predic…

The isospin structure of photoproduction of πη pairs from the nucleon in the threshold region

2015

Abstract Photoproduction of πη-pairs from nucleons has been investigated from threshold up to incident photon energies of ≈ 1.4 GeV. The quasi-free reactions γ p → p π 0 η , γ n → n π 0 η , γ p → n π + η , and γ n → p π − η were for the first time measured from nucleons bound in the deuteron. The corresponding reactions from a free-proton target were also studied to investigate final-state interaction effects (for neutral pions the free-proton results could be compared to previous measurements; the γ p → n π + η reaction was measured for the first time). For the π 0 η final state coherent production via the γ d → d π 0 η reaction was also investigated. The experiments were performed at the …

Harmonic reduction in CHB 13-level inverters by PAM fundamental-frequency strategy

2019

In this paper cascaded H-bridges (CHB) 13-level inverters are considered and a particular pulse amplitude modulation (PAM) strategy is introduced to mitigate or eliminate many harmonic components on the output voltage, in order to obtain low Total Harmonic Distortion (THD) factor. This procedure defines different dc voltage sources and sets of six switching angles, depending on an integer parameter $q$ belonging to the close interval $I=[11, 15]$ . The obtained THD doesn't depend on modulation index $m$ . The control of $m$ is made by changing the dc voltage sources that depend linearly on m, while the switching angles remain constant. An investigation about the role of the $q$ parameter on…

Quantification of phenolic acids by partial least squares Fourier-transform infrared (PLS-FTIR) in extracts of medicinal plants.

2020

Introduction Phenolic compounds are ubiquitous compounds found in all plants as their secondary metabolites. Phenols are becoming increasingly important particularly because of their beneficial effects on health. Objective To provide a faithful calibration model for the simultaneous determination and quantification of phenolic acids, as salicylic, vanillic, p-hydroxybenzoic acids, eugenol and thymol in different extracts of medicinal plants, a comparative study was made between two methods of infrared measurements based on attenuated total reflectance (ATR) and transmission. Methods Characteristic absorbance peak heights of mid-infrared spectra of individual phenolic acids were measured for…

La función consultiva autonómica en el contexto de las políticas en calidad normativa y el título VI de la Ley de procedimiento común

2021

Las políticas de calidad normativa tienen como objetivo la mejora de las normas jurídicas a través de la correlativa mejora de los procesos de regulación normativa. Introducidas en algunos países europeos en la última década del siglo XX gracias al impulso de organizaciones supranacionales como la UE y la OCDE, en España ha sido el Título VI de la LPAC el que ha introducido por primera vez unas bases para el impulso de la calidad normativa con vocación de aplicación a todas las Administraciones públicas. El objetivo de este artículo será analizar las obligaciones que en materia de calidad normativa impone la LPAC, identificar una serie de medidas adicionales que todo sistema mínimamente amb…

Coherence Checking and Propagation of Lower Probability Bounds

2003

In this paper we use imprecise probabilities, based on a concept of generalized coherence (g-coherence), for the management of uncertain knowledge and vague information. We face the problem of reducing the computational difficulties in g-coherence checking and propagation of lower conditional probability bounds. We examine a procedure, based on linear systems with a reduced number of unknowns, for the checking of g-coherence. We propose an iterative algorithm to determine the reduced linear systems. Based on the same ideas, we give an algorithm for the propagation of lower probability bounds. We also give some theoretical results that allow, by suitably modifying our algorithms, the g-coher…