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Bounce back

Charles A Emlet, Chengshi Shiu, Hyun-Jun Kim, Karen Fredriksen-Goldsen
PURPOSE OF THE STUDY: Adults with HIV infection are living into old age. It is critical we investigate positive constructs such as resilience and mastery to determine factors associated with psychological well-being. We examine HIV-related factors, adverse conditions, and psychosocial characteristics that are associated with resilience (the ability to bounce back) and mastery (sense of self-efficacy). DESIGN AND METHODS: We analyzed 2014 data from the longitudinal study Aging with Pride: National Health, Aging, and Sexuality/Gender Study (NHAS), focusing on a subsample of 335 gay and bisexual older men...
February 2017: Gerontologist
Mingcheng Yang, Riu Liu, Fangfu Ye, Ke Chen
Boundary walls can drive the tangential flow of fluids by phoretic osmosis when exposed to a gradient field, including chemical, thermal or electric potential gradient. At the microscale, such boundary driving mechanisms become quite pronounced. Here, we propose a mesoscale strategy to simulate the phoretically osmotic boundaries, in which the microscopic fluid-wall interactions are coarse-grained into the bounce-back or specular reflection, and the phoretically osmotic force is generated by selectively reversing the tangential velocity of specific fluid particles near the boundary wall...
January 18, 2017: Soft Matter
Mohamad Zalzale, M Ramaioli, K L Scrivener, P J McDonald
The paper shows that it is possible to combine the free-energy lattice Boltzmann approach to multiphase modeling of fluids involving both liquid and vapor with the partial bounce back lattice Boltzmann approach to modeling effective media. Effective media models are designed to mimic the properties of porous materials with porosity much finer than the scale of the simulation lattice. In the partial bounce-back approach, an effective media parameter or bounce-back fraction controls fluid transport. In the combined model, a wetting potential is additionally introduced that controls the wetting properties of the fluid with respect to interfaces between free space (white nodes), effective media (gray nodes), and solids (black nodes)...
November 2016: Physical Review. E
Zijing Wu, Ye Liu, Xuelian Li, Xiaohan Li
PURPOSE: Resilience is the individual's ability to bounce back from trauma. It has been studied for some time in the U.S., but few studies in China have addressed this important construct. In mainland China, relatively little is known about the resilience of patients in clinical settings, especially among patients with breast cancer. In this study, we aimed to evaluate the level of resilience and identify predictors of resilience among mainland Chinese women newly diagnosed with breast cancer...
2016: PloS One
Shaikh Mohammad Kais, Md Saidul Islam
In the last few decades, disaster risk reduction programs and climate initiatives across the globe have focused largely on the intimate connections between vulnerability, recovery, adaptation, and coping mechanisms. Recent focus, however, is increasingly paid to community resilience. Community, placed at the intersection between the household and national levels of social organization, is crucial in addressing economic, social, or environmental disturbances disrupting human security. Resilience measures a community's capability of bouncing back-restoring the original pre-disaster state, as well as bouncing forward-the capacity to cope with emerging post-disaster situations and changes...
December 6, 2016: International Journal of Environmental Research and Public Health
Simon Cassidy
Resilience is a psychological construct observed in some individuals that accounts for success despite adversity. Resilience reflects the ability to bounce back, to beat the odds and is considered an asset in human characteristic terms. Academic resilience contextualizes the resilience construct and reflects an increased likelihood of educational success despite adversity. The paper provides an account of the development of a new multidimensional construct measure of academic resilience. The 30 item Academic Resilience Scale (ARS-30) explores process-as opposed to outcome-aspects of resilience, providing a measure of academic resilience based on students' specific adaptive cognitive-affective and behavioral responses to academic adversity...
2016: Frontiers in Psychology
Sang-Won Lee, Seongtak Kim, Soohyun Bae, Kyungjin Cho, Taewon Chung, Laura E Mundt, Seunghun Lee, Sungeun Park, Hyomin Park, Martin C Schubert, Stefan W Glunz, Yohan Ko, Yongseok Jun, Yoonmook Kang, Hae-Seok Lee, Donghwan Kim
Although the power conversion efficiency of perovskite solar cells has increased from 3.81% to 22.1% in just 7 years, they still suffer from stability issues, as they degrade upon exposure to moisture, UV light, heat, and bias voltage. We herein examined the degradation of perovskite solar cells in the presence of UV light alone. The cells were exposed to 365 nm UV light for over 1,000 h under inert gas at <0.5 ppm humidity without encapsulation. 1-sun illumination after UV degradation resulted in recovery of the fill factor and power conversion efficiency...
December 2, 2016: Scientific Reports
Bo-Ram Kim, Sy-Miin Chow, Bethany Bray, Douglas M Teti
The present study examined observations of parenting quality (mothers' emotional availability - EA) during infant bedtimes at 4 points across the infants' first year, assessing relations between levels and trajectories of EA and infant attachment at 12 months and the role of infant temperament in moderating these associations. The sample (N = 128) was predominantly Euro-American (82.5%) and at low socioeconomic risk. Latent growth curve modeling with latent basis coefficients indicated substantial individual differences in initial levels and slopes in EA trajectories across the first year...
February 2017: Attachment & Human Development
Anne Horner
What makes a good nurse leader? Self-belief, a good sense of humour and resilience - that bounce back ability. There are always going to be challenges so it's about how you respond and engage your team.
November 1, 2016: Nursing Management (Harrow)
Mindy K Shoss, Lixin Jiang, Tahira M Probst
Job insecurity is a ubiquitous threat that has been linked to a number of undesirable emotional, cognitive, and behavioral outcomes. Against this backdrop, popular and academic accounts have hailed the ability to bounce back from threats (i.e., resilience) as a crucial competency. We leverage the cognitive-relational model of stress to examine the extent to which resilience (operationalized as both dispositional tendencies and coping strategies) mitigates several negative consequences of job insecurity. We tested the moderating role of resilience in 2 studies...
October 27, 2016: Journal of Occupational Health Psychology
A D Shaw, A R Champneys, M I Friswell
Sudden onset of violent chattering or whirling rotor-stator contact motion in rotational machines can cause significant damage in many industrial applications. It is shown that internal resonance can lead to the onset of bouncing-type partial contact motion away from primary resonances. These partial contact limit cycles can involve any two modes of an arbitrarily high degree-of-freedom system, and can be seen as an extension of a synchronization condition previously reported for a single disc system. The synchronization formula predicts multiple drivespeeds, corresponding to different forms of mode-locked bouncing orbits...
August 2016: Proceedings. Mathematical, Physical, and Engineering Sciences
Yi-Fu Cai, Salvatore Capozziello, Mariafelicia De Laurentis, Emmanuel N Saridakis
Over recent decades, the role of torsion in gravity has been extensively investigated along the main direction of bringing gravity closer to its gauge formulation and incorporating spin in a geometric description. Here we review various torsional constructions, from teleparallel, to Einstein-Cartan, and metric-affine gauge theories, resulting in extending torsional gravity in the paradigm of f (T) gravity, where f (T) is an arbitrary function of the torsion scalar. Based on this theory, we further review the corresponding cosmological and astrophysical applications...
October 2016: Reports on Progress in Physics
N Cohen, A Dotan, H Dodiuk, S Kenig
Superhydrophobic (SH) coatings have been shown to reduce freezing and ice nucleation rates, by means of low surface energy chemistry tailored with nano/micro roughness. Durability enhancement of SH surfaces is a crucial issue. Consequently, the present research on reducing ice adhesion is based on radiation-induced radical reaction for covalently bonding SiO2 nanoparticles to polymer coatings to obtain durable roughness. Results indicated that the proposed approach resulted in SH surfaces having high contact angles (>155°) and low sliding angles (<5°) with improved durability and transparency...
September 20, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Haruka Yasuoka, Masayuki Kaneda, Kazuhiko Suga
A methodology to simulate thermal fields in complex microflow geometries is proposed. For the flow fields, the regularized multiple-relaxation-time lattice Boltzmann method (LBM) is applied coupled with the diffusive-bounce-back boundary condition for wall boundaries. For the thermal fields, the regularized lattice Bhatnagar-Gross-Krook model is applied. For the thermal wall boundary condition, a newly developed boundary condition, which is a mixture of the diffuse scattering and constant temperature conditions, is applied...
July 2016: Physical Review. E
Gabriel G Carlo, R M Benito, F Borondo
We extend the semiclassical theory of short periodic orbits [M. Novaes et al., Phys. Rev. E 80, 035202(R) (2009)PLEEE81539-375510.1103/PhysRevE.80.035202] to partially open quantum maps, which correspond to classical maps where the trajectories are partially bounced back due to a finite reflectivity R. These maps are representative of a class that has many experimental applications. The open scar functions are conveniently redefined, providing a suitable tool for the investigation of this kind of system. Our theory is applied to the paradigmatic partially open tribaker map...
July 2016: Physical Review. E
Lore Thaler, Melvyn A Goodale
Bats and dolphins are known for their ability to use echolocation. They emit bursts of sounds and listen to the echoes that bounce back to detect the objects in their environment. What is not as well-known is that some blind people have learned to do the same thing, making mouth clicks, for example, and using the returning echoes from those clicks to sense obstacles and objects of interest in their surroundings. The current review explores some of the research that has examined human echolocation and the changes that have been observed in the brains of echolocation experts...
November 2016: Wiley Interdisciplinary Reviews. Cognitive Science
Martin H Klein Schaarsberg, Ivo R Peters, Menachem Stern, Kevin Dodge, Wendy W Zhang, Heinrich M Jaeger
We experimentally investigated the splashing of dense suspension droplets impacting a solid surface, extending prior work to the regime where the viscosity of the suspending liquid becomes a significant parameter. The overall behavior can be described by a combination of two trends. The first one is that the splashing becomes favored when the kinetic energy of individual particles at the surface of a droplet overcomes the confinement produced by surface tension. This is expressed by a particle-based Weber number We_{p}...
June 2016: Physical Review. E
Edward M Wojtys
No abstract text is available yet for this article.
July 2016: Sports Health
Pietro Cataldi, Ilker S Bayer, Roberto Cingolani, Sergio Marras, Ryad Chellali, Athanassia Athanassiou
Highly enhanced solid-state thermochromism is observed in regioregular poly(3-hexylthiophene), P3HT, when deposited on a superhydrophobic polymer-SiO2 nanocomposite coating. The conformal P3HT coating on the nanocomposite surface does not alter or reduce superhydrophicity while maintaining its reversible enhanced thermochromism. The polymeric matrix of the superhydrophobic surface is comprised of a blend of poly(vinylidene fluoride-co-hexafluoropropylene) copolymer and an acrylic adhesive. Based on detailed X-ray diffraction measurements, this long-lasting, repeatable and hysteresis-free thermochromic effect is attributed to the enhancement of the Bragg peak associated with the d-spacing of interchain directional packing (100) which remains unaltered during several heating-cooling cycles...
2016: Scientific Reports
Sandi J Lane, Elizabeth McGrady
UNLABELLED: Introduction Disasters often overwhelm a community's capacity to respond and recover, creating a gap between the needs of the community and the resources available to provide services. In the wake of multiple disasters affecting nursing homes in the last decade, increased focus has shifted to this vital component of the health care system. However, the long-term care sector has often fallen through the cracks in both planning and response. Problem Two recent reports (2006 and 2012) published by the US Department of Health and Human Services (DHHS), Office of Inspector General (OIG), elucidate the need for improvements in nursing homes' comprehensive emergency preparedness and response...
August 2016: Prehospital and Disaster Medicine
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