Πλοήγηση ανά Θέμα "STRESS"
Αποτελέσματα 1-20 από 36
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A 3D fibre beam-column element with shear modelling for the inelastic analysis of steel structures
(2010)A force-based fiber beam-column element is proposed for the capacity assessment of frame structures under high shear. The proposed element is suitable for the performance assessment of large scale steel structures, which ... -
Acute resistance exercise results in catecholaminergic rather than hypothalamic-pituitary-adrenal axis stimulation during exercise in young men
(2010)Exercise is a paradigm of a stress situation. The adaptive response to stressors comprises the activation of the hypothalamic-pituitary-adrenal (HPA) axis and components of the autonomic sympathetic system. An aseptic ... -
Ancestral populations perform better in a novel environment: domestication of Mediterranean fruit fly populations from five global regions
(2011)Geographically isolated populations of a species may differ in several aspects of life history, morphology, behaviour and genetic structure as a result of adaptation in ecologically diverse habitats. We used a global ... -
Conservation Considerations for a Management Measure: An Integrated Approach to Hare Rearing and Release
(2015)Wildlife managers are challenged with the task of deciding whether a management measure is appropriate or not, and furthermore they have to convince others about the merits of their decision. Population decline of some ... -
Constitutive modeling of porous viscoelastic materials
(2007)The effect of porosity on the constitutive response of an isotropic linearly viscoelastic solid that obeys a constitutive law of the standard differential form is investigated under small strain deformation conditions. The ... -
Constitutive modeling of solid propellant materials with evolving microstructural damage
(2008)Solid propellants are composite materials with complex microstructure. In a generic form, the material consists of polymeric binder, crystal oxidizer (e.g., ammonium perchlorate), and fuel particles (e.g., aluminum). Severe ... -
Corn tolerance to atrazine and cadmium and sunflower to cadmium in soil and hydroponic culture
(2008)Hydroponic culture is often used for screening plant tolerance or remediation efficacy to environmental pollutants. Field experiments are usually avoided because of soil and groundwater contamination; thus pot experiments ... -
Effect of 4 weeks of basic military training on peripheral blood leucocytes and urinary excretion of catecholamines and cortisol
(2005)In this study, we assessed the effects of a 4 week basic military physical training programme for male recruits of the Hellenic Air Force on the number and distribution of circulating immune cells and adrenergic and ... -
Effects of ozone fumigation on cotton (Gossypium hirsutum L.) morphology, anatomy, physiology, yield and qualitative characteristics of fibers
(2009)This experiment was conducted to study the effect of high ozone concentrations on two cotton (Gossypium hirsutum L.) cultivars. Two cotton cultivars (Roma nos and Allegria) were exposed to con trol (CF < 4 ppb O(3)) and ... -
Effects of polyphenolic grape extract on the oxidative status of muscle and endothelial cells
(2014)A grape pomace extract enhanced antioxidant mechanisms in muscle and endothelial cells both in the absence and in the presence of oxidative stress-induced agent tert-butyl hydroperoxide (tBHP). In particular, muscle (C2C12) ... -
Excision of an oxidative DNA lesion (8-oxo-deoxyguanosine) in Mytilus edulis populations from two sites in the eastern Irish Sea
(2008)Mussels (Mytilus edulis) from the urban/industrialised site of New Brighton, Merseyside, UK and the reference site of Llandudno, North Wales, UK were collected at various time-points in 2005-2006. The excision capacity of ... -
Exhaled breath condensate in patients with asthma: implications for application in clinical practice
(2008)Exhaled breath condensate (EBC) analysis, a rather appealing and promising method, can be used to evaluate conveniently and non-invasively a wide range of molecules from the respiratory tract, and to understand better the ... -
Finite Element Analysis of Discrete Circular Dislocations
(2010)The present work gives a systematic and rigorous implementation of (edge type) circular Volterra dislocation loops in ordinary axisymmetric finite elements using the thermal analogue and the integral representation of ... -
Finite element analysis of discrete edge dislocations: Configurational forces and conserved integrals
(2015)We present a finite element description of Volterra dislocations using a thermal analogue and the integral representation of dislocations through stresses in the context of linear elasticity. Several analytical results are ... -
Growth, grain yield and nitrogen use efficiency of Mediterranean wheat in soils amended with municipal sewage sludge
(2014)The application of sewage sludge (SS) to agricultural land can improve soil fertility and physical properties, and enhance crop production. This field study was conducted for two consecutive growing seasons to investigate ... -
Hydrogen induced shear localization of the plastic flow in metals and alloys
(2001)Hydrogen enhanced localized plasticity (HELP) is a viable mechanism for hydrogen embrittlement supported by experimental observations. According to the HELP mechanism, hydrogen induced premature failures result from hydrogen ... -
Improvement of fatigue crack growth resistance by controlled overaging in 2024-T3 aluminium alloy
(2014)A controlled overaging process is proposed to increase region II fatigue crack propagation resistance of 2024-T3 aluminium alloy. Overaging was achieved by subjecting the material from the initial T3 state to heat treatment ... -
Increased levels of oxidative DNA damage in pesticide sprayers in Thessaly Region (Greece). Implications of pesticide exposure
(2014)The widespread use of pesticides substances nowadays largely guarantees the protection of crops and people from undesired pests. However, exposure to pesticides was related to a variety of human health effects. The present ... -
Increased Plasma Angiogenin Level is Associated and May Contribute to Decreased T-Cell Zeta-Chain Expression in Hemodialysis Patients
(2013)Hemodialysis (HD) patients are characterized by impaired T-cell function at least in part because of T-cell zeta-chain downregulation due to inflammation. Angiogenin responds as an acute phase reactant, is increased in HD ...