The generalized Wiener-Hopf equations for the elastic wave motion in angular regions.

In this work, we introduce a general method to deduce spectral functional equations in elasticity and thus, the generalized Wiener-Hopf equations (GWHEs), for the wave motion in angular regions filled by arbitrary linear homogeneous media and illuminated by sources localized at infinity. The work extends the methodology used in electromagnetic applications and proposes for the first time a complete theory to get the GWHEs in elasticity. In particular, we introduce a vector differential equation of first-order characterized by a matrix that depends on the medium filling the angular region.

Does virtual reality reduce pain in pediatric patients? A systematic review.

Virtual Reality (VR) as a tool for pain reduction is the research topic of several clinical trial for Randomized Controlled Trials despite its wide use in the daily clinical practice for non- pharmacological reduction of pain in some countries. At present, there are no published reviews of VR-efficacy of pain reduction in pediatric patients. That is why we made a systematic review of the efficacy of VR as a tool for pain reduction in children and adolescents.

A Novel GC-FID Analytical Strategy Reveals Adulteration of Fuels by Vegetable Oil.

Background: Adulteration of diesel fuel by the addition of vegetable oil is a problem that touches several countries around the world and bypasses the complexity of the specifications regarding the automotive diesel fuel distinguishing between customs, fiscal, and commercial-environmental specifications. At an international level, the adoption of the same analysis methods is important for the harmonization processes and the fluidity of the market. In this context, we assist to the diffusion of the same fraud touching several countries or continents since the limit of the same methods are common to many specifications.

Use of the North American Nursing Diagnosis Association taxonomies, Nursing Intervention Classification, Nursing Outcomes Classification and NANDA-NIC-NOC linkage in cardiac rehabilitation.

This study aims at creating a standardized language for each patient admitted to Cardiac Rehabilitation Unit (CR) by identifying nursing diagnosis, interventions, results/objectives expected and related correlations. The primary outcome was identifying health needs of all patients admitted to CR. The secondary outcomes were the identification of North American Nursing Diagnosis Association -International diagnoses (NANDA-I), of nursing intervention classification (NIC), of nursing outcomes classification (NOC) and their correlation NANDA-NIC-NOC linkage (NNN linkage) in order to define a standardized language for all nursing staff.

Network representations of angular regions for electromagnetic scattering.

Network modeling in electromagnetics is an effective technique in treating scattering problems by canonical and complex structures. Geometries constituted of angular regions (wedges) together with planar layers can now be approached with the Generalized Wiener-Hopf Technique supported by network representation in spectral domain. Even if the network representations in spectral planes are of great importance by themselves, the aim of this paper is to present a theoretical base and a general procedure for the formulation of complex scattering problems using network representation for the Generalized Wiener Hopf Technique starting basically from the wave equation.