Search results for " Dual"

Bone mineral density of the proximal femur after hip resurfacing arthroplasty: 1-year follow-up study

2011

Abstract Background Hip resurfacing arthroplasty (HRA) is considered a bone-preserving procedure and may eliminate proximal femoral stress shielding and osteolysis. However, in addition to implant-related stress-shielding factors, various patient-related factors may also have an effect on bone mineral density (BMD) of the proximal femur in patients with HRA. Thus, we studied the effects of stem-neck angle, demographic variables, and physical functioning on the BMD of the proximal femur in a one-year follow-up. Methods Thirty three patients (9 females and 24 males) with a mean (SD) age of 55 (9) years were included in the study. BMD was measured two days and 3, 6, and 12 months postoperative…

How online advertising competes with user-generated content in TripAdvisor. A neuroscientific approach

2020

Drawing on cognitive load theory, congruence research, and dual processing models, the purpose of this study is to determine the effectiveness of online advertising in social media. To this end, three separate studies were conducted. First, using eye-tracking and electroencephalography, we examine the differences, based on whether or not an ad is embedded, in subjects’ visual attention and engagement in a TripAdvisor webpage. Our findings showed that synergies between social media content and advertising content positively affect users’ visual attention. A second study, using an online survey, assessed the impact of congruent/incongruent ads on ad recall. A third study, using ey…

Quality control of manufacturing and hot storage of crumb rubber modified binders

2020

The ultimate performance of crumb rubber modified (CRM) binders is linked to the accurate control of the properties during manufacturing and hot storage. However, due to their complexity, asphalt technologists find the characterisation of these materials still challenging. In this study, the adoption of a Dual Helical Ribbon (DHR), a novel mixing/measuring device for rotational viscometers, is proposed for the real-time monitoring of CRM binders during manufacturing and hot storage. According to the laboratory results, manufacturing periods of 45-60 min at 195 degrees, as well as storage temperatures not exceeding 150 degrees C, are recommended for this type of modified binders. (C) 2019 El…

Treatment Needs and Service Delivery for Patients with Dual Disorders During the COVID-19 Pandemic: Findings From the WADD Survey

2021

Objective: The COVID-19 pandemic has posed a great challenge for the existing health systems. The restrictions imposed across countries on the movement of people and the realignment of health care services in response to the pandemic are likely to negatively affect the health status and delivery of mental health services to persons with dual disorders (PWDD). Methods: An online survey was conducted among mental health professionals involved in providing care to PWDD to better understand the problems encountered and identify potential solutions in providing continued treatment for PWDD during the COVID-19 pandemic. Results: The findings confirmed significant disruption in the delivery of tre…

PASSIONATE DESCARTES: A REINTERPRETATION OF THE BODY'S ROLE IN CARTESIAN THOUGHT

2020

Abstract The usual reading of Descartes' “anthropological” perspective classifies it as a radical dualism with a distinction between two substances, mind and body, which experience major interaction difficulties. Through a contextualization of Descartes' physiological and psychological thought as well as through a less fragmented reading of his work, we intend to review this traditional interpretation, thereby showing its distorted character. When we pay attention to passion, a new Descartes’ image as a sort of phenomenal monism appears, which is markedly different from the legendary image typically associated with him, even today.

Minimizing the cycle time in serial manufacturing systems with multiple dual-gripper robots

2006

Robots are being used more and more extensively as material-handling systems for automated manufacturing systems. This is especially true for dual-gripper robots whose in-process buffer (the robot's second gripper) constitutes a further element of flexibility. When the number of stations to be served is high and the set of activities the robot must execute is great, the system throughput may depend on robot capability rather than on process times. In such conditions, the use of several robots leads to an increase in system productivity. Obviously, the design and the management of such a handling system becomes more complex: the minimum number of robots required, the work stations to be serv…

On deterministic solutions for multi-marginal optimal transport with Coulomb cost

2022

In this paper we study the three-marginal optimal mass transportation problem for the Coulomb cost on the plane $\R^2$. The key question is the optimality of the so-called Seidl map, first disproved by Colombo and Stra. We generalize the partial positive result obtained by Colombo and Stra and give a necessary and sufficient condition for the radial Coulomb cost to coincide with a much simpler cost that corresponds to the situation where all three particles are aligned. Moreover, we produce an infinite class of regular counterexamples to the optimality of this family of maps.

Fragmentation in the ϕ3 theory and the LPHD hypothesis

2015

We present analytic solution of the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) equation at leading order (LO) in the phi^3 theory in 6 space-time dimensions. If the phi^3 model was the theory of strong interactions, the obtained solution would describe the distribution of partons in a jet. We point out that the local parton-hadron duality (LPHD) conjecture does not work in this hypothetical situation. That is, treatment of hadronisation of shower partons is essential for the description of hadron distributions in jets stemming from proton-proton (pp) collisions at \sqrt{s} = 7 TeV and from electron-positron (e+e-) annihilations at various collision energies. We use a statistical mod…

Le Geometrie dei numeri duali

I numeri duali furono introdotti per la prima volta da William Kingdon Clifford (1845-1879) nel 1873, come estensione dei quaternioni (biquaternioni), nell’ambito dello studio dei numeri ipercomplessi. In seguito, furono chiamati così da Eduard Study (1862-1930) [Study 1902], il quale ne fece poi oggetto di studio [Study 1903]. Già nel 1885 Arthur Buchheim (1859-1888) [Buchheim 1885], aveva rintracciato l’origine dei duali in Clifford e si era soffermato sulla (sostanziale) differenza tra l’introduzione dei biquaternioni in Hamilton e in Clifford. Nel 1906, in perfetto accordo alle teorie esposte da Study nel 1903, Joseph Grünwald (1876-1911), introdusse i numeri duali come u+vε, dove u e v…

An a priori prediction model of response to peginterferon plus ribavirin dual therapy in naïve patients with genotype 1 chronic hepatitis C.

2014

none 29 no Background: Aim was to select naïve patients with genotype 1 chronic hepatitis C having a high probability of response to Peg-interferon. +. ribavirin therapy. Methods: In 1073 patients (derivation cohort), predictors of rapid and sustained virological response were identified by logistic analysis; regression coefficients were used to generate prediction models for sustained virological response. Probabilities at baseline and treatment week 4 were utilized to develop a decision rule to select patients with high likelihood of response. The model was then validated in 423 patients (validation cohort). Results: In the derivation cohort, 257 achieved rapid virological response and 8…