Search results for "pull"

Exploring Determinants of Early Retirement Among Saudi Medical Staff

2021

The aim of this research was to explore the relationship between the push, pull, anti-push, and anti-pull factors vs. early retirement intention among Saudi medical staff, and to investigate whether there are gender differences in the early retirement intention. To this end, we designed a correlational and cross-sectional study, for which data were collected through an online survey. A total of 680 responses were gathered, of which 221 valid responses constituted the final sample for the analysis. Logistics regression was used to test the hypotheses of the study. The results showed that approximately 58% of the respondents indicated early retirement intention. The significant factors in pre…

Development of topography in 3-D continental-collision models

2015

Understanding the formation and evolution of high mountain belts, such as the Himalayas and the adjacent Tibetan Plateau, has been the focus of many tectonic and numerical models. Here we employ 3-D numerical simulations to investigate the role that subduction, collision, and indentation play on lithosphere dynamics at convergent margins, and to analyze the conditions under which large topographic plateaus can form in an integrated lithospheric and upper mantle-scale model. Distinct dynamics are obtained for the oceanic subduction side (trench retreat, slab rollback) and the continental-collision side (trench advance, slab detachment, topographic uplift, lateral extrusion). We show that sla…

Inversion of gravity anomalies over spreading oceanic ridges

2005

Abstract Models of spreading ocean ridges are derived by Bayesian gravity inversion with geophysical and geodynamic a priori information. The aim is to investigate the influence of spreading rate, plate dynamics and tectonic framework on crust and upper mantle structure by comparing the Mid Atlantic Ridge (MAR), the Indian Ocean Ridge (IND) and the East Pacific Rise (PAC). They differ in mean spreading rate, dynamic settings, as attached slabs, and plume interaction. Topography or bathymetry, gravity, isostasy, seismology and geology, etc. are averaged along the ridges and guide the construction of initial 2D models, including features as mean plumes, i.e. averaged along the ridge. This is …

Pull factors for university students’ mobility: a gravity model approach

2020

Migration phenomena are characterised by flows that are typically multilateral. Often an outgoing flow corresponds to one or more incoming flows, which counterbalances it. When the balance is negative, socio-economic problems can arise. Italy has been afflicted for years by a particular type of unilateral migration: student mobility. Thousands of students leave the South to study in the Centre-North, driven by the better socio-economic conditions of those areas, and by more prosperous job prospects. Since this flow is not followed by a return one, nor by other incoming flows, the historical, socio-economic gap between North and South is widened. Taking advantage of the big dataset concernin…

Suomalainen alkoholipullon etiketti 1930-90 -luvuilla

1999

Strange Tools and Dark Materials : Speculating Beyond Narratives with Philosophical Instruments

2022

Although Alva Noë’s Strange Tools: Art and Human Nature (2015) makes no direct reference to Philip Pullman’s His Dark Materials trilogy (1995–2000), these otherwise dissimilar works share an astonishingly similar and current view of the mind: both Noë and Pullman construe cognition as embodied action that extends and reflects on its own possibilities through various instruments and technologies. For Noë, the key technology aiding this reaching of the mind is art; making and engaging with art is a self-reflexive endeavor that makes our activities available for closer examination and evaluation. By extension, works of speculative fiction could be read as illustrations of or investigations int…

Computation of lock-in range for classic PLL with lead-lag filter and impulse signals

2016

For a classic PLL with square waveform signals and lead-lag filter for all possible parameters lock-in range is computed and corresponding diagrams are given. peerReviewed

Hold-in, Pull-in and Lock-in Ranges for Phase-locked Loop with Tangential Characteristic of the Phase Detector

2019

In the present paper the phase-locked loop (PLL), an electric circuit widely used in telecommunications and computer architectures is considered. A new modification of the PLL with tangential phase detector characteristic and active proportionally-integrating (PI) filter is introduced. Hold-in, pull-in and lock-in ranges for given circuit are studied rigorously. It is shown that lock-in range of the new PLL model is infinite, compared to the finite lock-in range of the classical PLL. peerReviewed

Technique for Performing Rectoscopy

1979

After positioning of the patient (Figs. 1 and 11), the instrument is introduced into the anus. The anal canal runs diagonally toward the navel. This distance must be passed blindly. The instrument is therefore guided through this area with the help of the obturator, which is promptly removed after passage of the instrument through the anal canal.

A small-bowel segment as a total extrahepatic bile duct replacement.

1992

• The effect of a small-bowel segment as a total extrahepatic bile duct replacement, with preservation of the bile passage through the papilla of Vater, was examined in 12 pigs followed up for 420 days. No complications during or after surgery were observed in any of the animals. The laboratory parameters were within normal range during the entire observation period. No anastomotic stenosis was evident on percutaneous transhepatic cholangiography in animals examined 2, 6, or 12 months after surgery. The intrahepatic biliary tract was not dilated. There was obvious peristalsis of the grafted small-bowel toward the papilla of Vater. Autopsies showed that the grafts had healed without any sign…