نتایج جستجو برای: stress histories
تعداد نتایج: 462162 فیلتر نتایج به سال:
Prosthetics soft tissue trauma is attacked with a combination of theoretical and experimental tools . A novel socket design results, accentuating flesh stress relief at the socket brim . Currently, the novel socket has been fitted to two subjects with long histories of stump trauma ; field test results are not yet available.
BACKGROUND Coral bleaching events vary in severity, however, to date, the hierarchy of susceptibility to bleaching among coral taxa has been consistent over a broad geographic range and among bleaching episodes. Here we examine the extent of spatial and temporal variation in thermal tolerance among scleractinian coral taxa and between locations during the 2010 thermally induced, large-scale ble...
OBJECTIVE This study tests a novel, within-person model that reexamines depression and stress as risk factors for suicidal ideation and behavior among adolescent girls with and without sexual/physical abuse histories. METHOD This longitudinal study includes data from 220 adolescent girls between 12 and 16 years of age (M = 14.69 years, SD = 1.37; 61% White). At baseline, adolescents reported ...
Early works have shown that highly reproducible piezoelectric film PVDF (Poly(vinylidene fluoride)) can be reliably used in a wide range of precise stress and stress-rate measurements. The direct stress-derivative or stress-rate PVDF signals have nanosecond resolution and higher operating stress limits than any other technique. Uses of PVDF stress gauges have been conducted in many fields of sh...
Associations among sexual victimization and the psychosocial functioning of African American and Latina pregnant and parenting adolescents were examined. Forty-seven (17.7%) of the 265 participants reported histories of sexual victimization, most of which was unwanted sexual intercourse. The victimized adolescents reported higher levels of depression, anxiety, and life stress and, although the ...
OBJECTIVE Although histories of abuse are associated with psychiatric illness in women, health professionals rarely enquire directly about such experiences. This study examined the association between physical and sexual violence and lifetime trauma and depressive and posttraumatic stress symptoms in women receiving maternity care. DESIGN Cross sectional study. SETTING South London Hospital...
In this paper, the effect of interference fit on fatigue life of holed plate of mechanical joints was investigated experimentally. Fatigue tests were carried out on the holed specimens of Al-alloy 7075-T6 alloy. The interference fit process consists of force fitting a fastener into the hole with a negative clearance (diameter of the fastener is larger than of the hole) that produces beneficial ...
Abstract Orthotropic steel decks (OSDs) are easily subjected to fatigue cracking under the cyclic vehicle loading, and arc notch between diaphragm U-rib is one of typical details. The strain values three measuring points at in a bridge were monitoring obtain stress time histories. Then, amplitudes damage degrees analysed. It was found that this detail tension–compression stress. maximum amplitu...
a framework for development of constitutive models including damage progress, based on semi-micromechanical aspects of plasticity is proposed for concrete. the model uses sub-loading surface with multilaminate framework to provide kinematics and isotropic hardening/softening in the ascending/descending branches of loading and can be able to keep stress/stain paths histories for each plane separ...
OBJECTIVE This study explored the main and interactive effects of sexual abuse history and relationship satisfaction on self-reported parenting, controlling for histories of physical abuse and parental alcoholism. METHOD The community sample consisted of 90 mothers of 5- to 8-year-old children. The sample was limited to those mothers currently in an intimate relationship, 19 of whom reported ...
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