نتایج جستجو برای Thermal stress

تعداد نتایج: 320816  

2002
W. T. Chen C. W. Nelson,

This paper considers the stress distributions in bonded materials induced by differential expansion or contraction of these materials. The analytical approach is similar to the lap joint theories attributed to Volkersen and expanded by Goland and Reissner. Several simple and typical analytical models are presented to bring out the relative importance of dlrerent geometrical and material paramet...

2012
A. Prasad, T. V. Aravindakshan,

Crosses of temperate cattle reared in tropical ambience lapse in heat tolerance, fertility and disease resistance. However, cross breeding zebu with high yielding exotic cattle seems necessary to meet the need for enhanced composite milk production per unit in view of food security. Thermal stress is considered as the main factor responsible for reduction of milk yield in tropical climate. Any ...

Journal: :Psychological bulletin 1986
P A Hancock,

This article reviews the effects of the thermal environment on vigilance. A reinterpretation of early and contemporary studies contradicts the existing notion that vigilance is facilitated in ambient temperatures that exceed a comfortable level. Rather, performance is degraded as thermal homeostasis of the observer is disturbed. Significant breakdown in capability becomes manifest with measurab...

2012
Anthony J. Bellantuono, Camila Granados-Cifuentes, David J. Miller, Ove Hoegh-Guldberg, Mauricio Rodriguez-Lanetty,

The acclimatization capacity of corals is a critical consideration in the persistence of coral reefs under stresses imposed by global climate change. The stress history of corals plays a role in subsequent response to heat stress, but the transcriptomic changes associated with these plastic changes have not been previously explored. In order to identify host transcriptomic changes associated wi...

M. Kalantar and G. Fantozzi,

Dense Silicon nitride was investigated to determine the effect of its microstructural parameters and densification on thermo-mechanical properties and thermal stress resistance to fracture initiation during a hot or cold mechanical and thermal shock testing. The different materials and microstructures were obtained by changing the parameters such as the type of the powder, additive, forming p...

M. Kalantar and G. Fantozzi,

Dense Silicon nitride was investigated to determine the effect of its microstructural parameters and densification on thermo-mechanical properties and thermal stress resistance to fracture initiation during a hot or cold mechanical and thermal shock testing. The different materials and microstructures were obtained by changing the parameters such as the type of the powder, additive, forming p...

2004
Jin-Biao Huang, Steve Tung, Chih-Ming Ho, Chang Liu, Yu-Chong Tai,

AbstructMicro hot-film shear-stress sensors have been designed and fabricated by surface micromachining technology which is compatible with IC technology. A polysilicon strip, 2 pmx80 pm, is deposited on top of a thin silicon nitride film and functions as the sensor element. By using the sacrificial-layer technique, a cavity (a vacuum chamber of about 300 mtorr), 2 0 0 x 2 0 0 ~ 2 pm, is placed...

Journal: :Blood 1988
B H Rank, N L Moyer, R P Hebbel,

Since it is not known why sickle RBCs tend to undergo microvesiculation, we have investigated their susceptibility to thermal stress. While normal RBCs start to vesiculate at 49.0 +/- 0 degrees C (n = 14), sickle RBCs begin to vesiculate at 47.9 +/- 0.5 degrees C, with a range of 46.5 to 48.5 degrees C (n = 14). This abnormality is reproduced by treating normal RBCs with phenazine methosulfate ...

2015
SHINYA TOYOKUNI,

Thermal plasmas and lasers have been used in medicine to cut and ablate tissues and for coagulation. Non-equilibrium atmospheric pressure plasma (NEAPP; non-thermal plasma) is a recently developed, non-thermal technique with possible biomedical applications. Although NEAPP reportedly generates reactive oxygen/nitrogen species, electrons, positive ions, and ultraviolet radiation, few research pr...

Journal: :Industrial health 2006
Yoram Epstein, Daniel S Moran,

Thermal stress is an important factor in many industrial situations, athletic events and military scenarios. It can seriously affect the productivity and the health of the individual and diminish tolerance to other environmental hazards. However, the assessment of the thermal stress and the translation of the stress in terms of physiological and psychological strain is complex. For over a centu...

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