نتایج جستجو برای: adhesion coefficient
تعداد نتایج: 251846 فیلتر نتایج به سال:
In order to improve the stability of vehicle steering on low-adhesion road surfaces, this paper designed a hybrid robust control strategy, H2/H∞, for active front-wheel (AFS) based theory. Firstly, we analyzed influence sidewall stiffness and adhesion coefficient tires stability, through which can study wheel deflection characteristics roads. Secondly, reference yaw velocity was calculated usin...
The transport of bacterial strain DA001 was examined in packed quartz sand under a variety of environmentally relevant ionic strength and flow conditions. Under all conditions, the retained bacterial concentrations decreased with distance from the column inlet at a rate that was faster than loglinear, indicating that the deposition rate coefficient decreased with increasing transport distance. ...
Inflammatory mediators and soluble cell adhesion molecules predict cardiovascular events. It is not clear whether they reflect the severity of underlying atherosclerotic disease. Within the Rotterdam Study, we investigated the associations of C-reactive protein (CRP), interleukin-6 (IL-6), soluble intercellular adhesion molecule-1, and soluble vascular cell adhesion molecule-1 with noninvasive ...
OBJECTIVE Epoxyeicosatrienoic acids (EETs) are protective in both myocardial and brain ischemia, variously attributed to activation of K(ATP) channels or blockade of adhesion molecule upregulation. In this study, we tested whether EETs would be protective in lung ischemia-reperfusion injury. METHODS The filtration coefficient (K(f)), a measure of endothelial permeability, and expression of th...
in the development of neuroinflammatory diseases, alterations of the blood brain barrier (bbb) represent key events. the integrity of the bbb is partially maintained by endothelia cells (ecs), since they actively limit the transmigration of immune cells. however, the factors that cause endothelial cells to develop an immune cell-permissive phenotype are poorly understood. in general, it has bee...
background: when provisional restorations are worn for long term period, the adhesion of bacteria becomes a primary factor in the development of periodontal diseases. the aims of this study were to evaluate the surface roughness and bacterial adhesion of four different provisional fixed prosthodontic materials. methods: ten cylindrical specimens were prepared from bis-acrylic composites (previs...
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