نتایج جستجو برای: stress state
تعداد نتایج: 1270498 فیلتر نتایج به سال:
We study the electric-dipole transitions between group-III acceptor states in Ge under stress along the [001] crystallographic direction in the effective mass approximation. We systematically investigate the cases of zero stress, infinitesimal stress, and finite stress including the low-stress and the high-stress regions. Our results show quantitative agreement with experimental data at zero st...
Abrasive wear limits the lifetime of many machine components. Most empirical models relate abrasive resistance to material hardness. In reality, however, other properties are also influencing as scratch abrasion damage follows from a highly complex stress trajectory upon scratching. Numerical (finite element) simulation requires use model, which translates this into degradation and removal. inc...
Little is known of how the stress response varies when animals confront seasonal life-history processes. Antioxidant defenses and damage caused by oxidative stress and their link with immunocompetence are powerful biomarkers to assess animal´s physiological stress response. The aim of this study was A) to determine redox state and variation in basal (pre-acute stress) immune function during sum...
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