Search results for " Spin"
showing 10 items of 1036 documents
Suport System for the Management of the Sabanejewia aurata (De Filippi, 1863) Populations of the ROSCI0227 – Sighișoara-Târnava Mare
2016
Abstract ADONIS:CE was used to design a computer model for the management of Sabanejewia aurata (De Filippi, 1863) populations in the Natura 2000 site of Sighişoara-Târnava Mare (ROSCI0227). The recommended management model is based on the environmental needs of the species, inventoried according to the local habitats, as well as the indicators of conservation status and relevant management measures, and takes into account human pressures and threats identified in the research area. Such computer models were established for all protected fish species found at the site ROSCI0227.
Effects of an adapted physical activity program on psychophysical health in elderly women.
2016
Giuseppe Battaglia,1,2 Marianna Bellafiore,1,2 Marianna Alesi,1,2 Antonio Paoli,3 Antonino Bianco,1,2 Antonio Palma1,2 1Department of Psychological, Pedagogical and Educational Sciences, 2Sport and Exercise Sciences Research Unit, University of Palermo, Palermo, 3Department of Biomedical Sciences, University of Padova, Padua, Italy Background: Several studies have shown the positive effects of adapted physical activity (APA) on physical and mental health (MH) during the lifetime. The aim of this study was to assess the effectiveness of a specific APA intervention program in the improvement of the health-related quality of life (QOL) and functional condition of spine in elderly women. Method…
Bergson ja naurun yhteisöllinen jännite
2021
Artikkelissa selvitetään Henri Bergsonin nauruteoriaa teoksessa Nauru ja arvioidaan sen merkitystä osana Bergsonin filosofiaa yleisemmin. Lisäksi artikkelissa täydennetään Bergsonin nauruteoriaa Gilles Deleuzen, Baruch Spinozan ja Friedrich Nietzschen ajatusten pohjalta. Bergson analysoi teoksessa komiikan synnyttämää naurua ja näkee tämän elämän reaktiona sitä kangistavia taipumuksia vastaan. Elämän luovan mukautumisen ja sen kangistumisen välisestä jännitteestä käytetään artikkelissa nimitystä ”koominen jännite”. Nauru on Bergsonin mukaan olennaisesti inhimillinen ja yhteisöllinen ilmiö, joka huomauttaa jäsenilleen yhteisön elämän kannalta haitallisista poikkeamista. Komiikka on tämän kor…
First narrow-band search for continuous gravitational waves from known pulsars in advanced detector data
2017
Spinning neutron stars asymmetric with respect to their rotation axis are potential sources of continuous gravitational waves for ground-based interferometric detectors. In the case of known pulsars a fully coherent search, based on matched filtering, which uses the position and rotational parameters obtained from electromagnetic observations, can be carried out. Matched filtering maximizes the signal-to-noise (SNR) ratio, but a large sensitivity loss is expected in case of even a very small mismatch between the assumed and the true signal parameters. For this reason, {\it narrow-band} analyses methods have been developed, allowing a fully coherent search for gravitational waves from known …
Palladium Supported on Cross-Linked Imidazolium Network on Silica as Highly Sustainable Catalysts for the Suzuki Reaction under Flow Conditions
2013
Highly cross-linked imidazolium-based materials, obtained by radical oligomerization of bis-vinylimidazolium salts in the presence of 3-mercaptopropyl-modified silica gel, were used as supports for palladium catalysts. Thanks to the high imidazolium loading these materials were able to support a high amount of the metal (10 wt%). Such materials were characterized by several techniques (13C magic angle spinning nuclear magnetic resonance, the Brunauer-Emmett-Teller technique, X-ray photoelectron spectroscopy, and transmission electron microscopy). The palladium catalysts displayed good activity allowing the synthesis of several biphenyl compounds in high yields working with only 0.1 mol% of …
Efecto del pedaleo de brazos sobre el sistema cardiorrespiratorio de las personas con tetraplejia. (Effect of armcrank pedaling on the cardiorespirat…
2010
Objetivos: Determinar el efecto de un programa de entrenamiento de pedaleo de brazos (PB) estacionario, sobre el sistema cardiorrespiratorio de personas con tetraplejia. Metodo: Se estudiaron 11 participantes con tetraplejia por lesion medular (LM) de origen traumatico a niveles entre C4 y C6. Se midieron variables espirometricas (VC, FVC y MVV) y de Variabilidad de la Frecuencia Cardiaca VFC (HR, STDHR, RMSSD, LF, HF y HRVPOWER), antes y despues de 8 semanas de entrenamiento. Resultados: Todas las variables mostraron cambios significativos (p < 0,05) despues del programa de entrenamiento aumentando su valor, excepto la FC que disminuyo. Las personas con las LM mas bajas mostraron valores m…
Flower ontogeny inCapparis spinosa(Capparaceae) with special emphasis on symmetry expression
2015
The flower ontogeny of Capparis spinosa L. was studied using scanning electron microscopy (SEM) in order to shed light on the early expression of symmetry in a representative member of Capparaceae. Sepals start decussately with the abaxial and adaxial sepals, followed by the lateral ones. Petal appearance proceeds uni-directionally from the abaxial to the adaxial side. Stamens develop centrifugally on an androecial ring. Five to seven carpel lobes arise on a gynoecial ring. Monosymmetry is established in early development by the uni-directional petal appearance and is further enhanced by the acquisition of an abaxial nectary appendage and differential development of perianth organs at anthe…
33S hyperfine interactions in H2S and SO2 and revision of the sulfur nuclear magnetic shielding scale
2014
Using the Lamb-dip technique, the hyperfine structure in the rotational spectra of H2(33)S and (33)SO2 has been resolved and the corresponding parameters--that is, the sulfur quadrupole-coupling and spin-rotation tensors--were determined. The experimental parameters are in good agreement with results from high-level coupled-cluster calculations, provided that up to quadruple excitations are considered in the cluster operator, sufficiently large basis sets are used, and vibrational corrections are accounted for. The (33)S spin-rotation tensor for H2S has been used to establish a new sulfur nuclear magnetic shielding scale, combining the paramagnetic part of the shielding as obtained from the…
Correlation at low temperature I. Exponential decay
2003
Abstract The present paper generalizes the analysis in (Ann. H. Poincare 1 (2000) 59, Math. J. (AMS) 8 (1997) 123) of the correlations for a lattice system of real-valued spins at low temperature. The Gibbs measure is assumed to be generated by a fairly general Hamiltonian function with pair interaction. The novelty, as compared to [2,20], is that the single-site (self-) energies of the spins are not required to have only a single local minimum and no other extrema. Our derivation of exponential decay of correlations goes through the spectral analysis of a deformed Laplacian closely related to the Witten Laplacian studied in [2,20]. We prove that this Laplacian has a spectral gap above zero…
Disability, Health-Related Quality of Life and Mortality in Lumbar Spine Fusion Patients—A 5-Year Follow-Up and Comparison With a Population Sample
2020
Study Design: Prospective follow-up study. Objectives: We aimed to assess the effect of lumbar spine fusion (LSF) on disability, health-related quality of life and mortality in a 5-year follow-up, and to compare these results with the general population. Methods: 523 consecutive LSF operations were included in a prospective follow-up. Disability was assessed by the Oswestry Disability Index (ODI), and HRQoL by the 36-item Short Form (SF-36) questionnaire using the physical and mental summary scores (PCS and MCS). The patients were compared with an age-, sex-, and residential area matched general population cohort. Results: The preoperative ODI in the patients was 46 (SD 16), and the change …