نتایج جستجو برای: thickening time
تعداد نتایج: 1903030 فیلتر نتایج به سال:
This research places self-handicapping and defensive pessimism (comprising defensive expectations and reflectivity) into a single conceptual and analytic framework that models the full self-protective process across time. Data on two occasions collected during students (n 1⁄4 328) first two years at university show: performance orientation positively predicts self-handicapping, defensive expect...
measurement of the skin especially to monitor epidermal thickness during clinical trials: • study of the effect of UVA1 and UVB on epidermal thickening [6] ; • study of age-related skin changes [7] . It is more suitable than high-frequency ultrasound to explore the epidermis and dermo-epidermal junction. In this issue of Dermatology , Mogensen et al. [8] used an OCT system developed at Risoe Na...
A method combining video imaging in parallel microchannels with a semi-empirical mathematical model provides nonintrusive, high-throughput measurements of time-varying biofilm viscosity. The approach is demonstrated for early growth Pseudomonas sp. biofilms exposed to constant flow streams of nutrient solutions with different ionic strengths. The ability to measure viscosities at early growth s...
First of all, I will introduce the basics of Newtonian fluids, followed by differences in comparison to non-Newtonian fluids. Following that, I will consider suspensions and focus on the shear thickening phenomena. Different theories behind that lead us to an order-disorder system and a hydro-clusters formulation. Finally, I will present its applications and prospects for the future.
INTRODUCTION Pleural Malignancy (PM) is often occult on subjective radiological assessment. We sought to define a novel, semi-objective Magnetic Resonance Imaging (MRI) biomarker of PM, targeted to increased tumour microvessel density (MVD) and applicable to minimal pleural thickening. MATERIALS AND METHODS 60 consecutive patients with suspected PM underwent contrast-enhanced 3-T MRI then ple...
Shear thickening is a widespread phenomenon in suspension flow that, despite sustained study, is still the subject of much debate. The longstanding view that shear thickening is due to hydrodynamic clusters has been challenged by recent theory and simulations suggesting that contact forces dominate, not only in discontinuous, but also in continuous shear thickening. Here, we settle this dispute...
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