نتایج جستجو برای: normal stresses

تعداد نتایج: 596251  

ژورنال: پژوهش در پزشکی 2005
الهه محمد حسینی, , سید عبدالمجید بحرینیان, ,

Background : Mental health is a matter of controversy in psychiatry. Individuals' ability to coping with changes and stresses is one of the factors that may influence mental health. The goal of the present study was to assess psychological morbidly and coping strategies in freshman students of Shaheed Beheshti University of Medical Sciences in 2004. Methods: During this cross sectional study, 2...

2014
Shouetsu Itou Oleg V. Gendelman

Stresses around two parallel cracks of equal length in an infinite elastic medium are evaluated based on the linearized couple-stress theory under uniform tension normal to the cracks. Fourier transformations are used to reduce the boundary conditions with respect to the upper crack to dual integral equations. In order to solve these equations, the differences in the displacements and in the ro...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Mahesh S Tirumkudulu William B Russel

Thin films of latex dispersions containing particles of high glass transition temperature generally crack while drying under ambient conditions. Experiments with particles of varying radii focused on conditions for which capillary stresses normal to the film deform the particles elastically and generate tensile stresses in the plane of the film. Irrespective of the particle size, the drying fil...

1999
Jianwen Hu Kevin Chou Raymond G. Thompson

Diamond coatings have been increasingly used in cutting tools applications. Coating delamination is the major tool failure mode and occurs due to deposition-induced residual stresses and thermomechanical loading in machining. This study applies finite element analysis to investigate stress distributions, with the edge radius focused, in diamond coating tools considering depositions and machinin...

2018
Na Ling Jumei Zhang Chengsi Li Haiyan Zeng Wenjing He Yingwang Ye Qingping Wu

Cronobacter species are foodborne pathogens that can cause neonatal meningitis, necrotizing enterocolitis, and sepsis; they have unusual abilities to survive in environmental stresses such as acid stress. However, the factors involved in acid stress responses and biofilm formation in Cronobacter species are poorly understood. In this study, we investigated the role of grxB on cellular morpholog...

Journal: :Prosthetics and orthotics international 1993
J E Sanders C H Daly E M Burgess

Stresses on the surface of a stump within a prosthetic socket during walking can potentially traumatize stump tissues. To gain insight into stresses and design parameters that affect them, normal and shear interface stresses were measured on three unilateral trans-tibial amputee subjects during walking trials. During stance phase repeated characteristics in wave-form shapes from different subje...

Journal: :Journal of applied physiology 2002
Kevin C Kregel

Cells from virtually all organisms respond to a variety of stresses by the rapid synthesis of a highly conserved set of polypeptides termed heat shock proteins (HSPs). The precise functions of HSPs are unknown, but there is considerable evidence that these stress proteins are essential for survival at both normal and elevated temperatures. HSPs also appear to play a critical role in the develop...

Journal: :Brain and language 1978
P Whitehouse A Caramazza E Zurif

The naming difficulties of Broca’s and anemic aphasics were explored in relation to a recently developed model of the normal mental lexicon which stresses the importance of integrating perceptual and functional information in the act of naming, and equally stresses the inherent vagueness of conceptual categories based on such information. Subjects were shown line drawings of various food contai...

Journal: :international journal of advanced biological and biomedical research 2013
negar afaghi asad modarres motlagh seied sadegh seiedlou ali hasanpour

the moist sample shrinks during drying and the non-uniformity shrinkage involves stresses in the body. the aim of the present work is simulating deformations and drying-induced stresses of carrot slice during a convective drying. the effect of shrinkage on the heat and mass transfer profiles were considered. non-constant physical and thermal properties were also incorporated in the model and th...

2016
Anne S. G. van Oosten Mahsa Vahabi Albert J. Licup Abhinav Sharma Peter A. Galie Fred C. MacKintosh Paul A. Janmey

Gels formed by semiflexible filaments such as most biopolymers exhibit non-linear behavior in their response to shear deformation, e.g., with a pronounced strain stiffening and negative normal stress. These negative normal stresses suggest that networks would collapse axially when subject to shear stress. This coupling of axial and shear deformations can have particularly important consequences...

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