نتایج جستجو برای: معادلات pns
تعداد نتایج: 28262 فیلتر نتایج به سال:
Reconfigurable manufacturing systems (RMSs) have been used to provide manufacturing companies with the required capacities and capabilities, when needed. Recognizing (1) the importance of dynamic modeling and visualization in decision making support in RMSs and (2) the limitations of the existing studies, we model RMSs based on Petri net (PN) techniques with focus on the process of reconfigurin...
We present systematic evidence for the origins of 1/f -type temporal scaling in human heart rate. The heart rate is regulated by the activity of two branches of the autonomic nervous system: the parasympathetic (PNS) and the sympathetic (SNS) nervous systems. We examine alterations in the scaling property when the balance between PNS and SNS activity is modified, and find that the relative PNS ...
در این مقاله یک روش آپ ویند که اصول اولیه آن را روش رو2 تشکیل می دهد برای محاسبه شارهای غیر لزج در حل عددی معادلات سهموی شده ناویر-استوکس pns ارائه می شود و معادلات مذکور به صورت ضمنی و غیر تکراری با استفاده از روش حجمهای محدود حل می شوند. مزیت اصلی روش ارائه شده نسبت به روشهای دیگر در این زمینه ، کاهش شدید نوسانات در مجاورت خط صوتی است. این مزیت سبب می شود که روش حاضر قادر به تحلیل جریان های م...
The antennal lobes (ALs) are the primary olfactory centers in the insect brain. In the AL of the honeybee, olfactory glomeruli receive input via four antennal sensory tracts (T1-4). Axons of projection neurons (PNs) leave the AL via several antenno-cerebral tracts (ACTs). To assign the input-output connectivity of all glomeruli, we investigated the spatial relationship of the antennal tracts an...
BACKGROUND Tissue factor (TF) and plasminogen activator inhibitor-1 (PAI-1) activity and/or expression are upregulated in nephrotic syndrome. Despite extensive research on antithrombotic effect of statins, little is known about their effects on TF and PAI-1 expression in peripheral blood mononuclear cells in patients with primary nephrotic syndrome(PNS). METHODS PBMCs were isolated by gradien...
Two-dimensional (2D) layered materials have attracted significant attention for device applications because of their unique structures and outstanding properties. Here, a field-effect transistor (FET) sensor device is fabricated based on 2D phosphorene nanosheets (PNSs). The PNS sensor exhibits an ultrahigh sensitivity to NO2 in dry air and the sensitivity is dependent on its thickness. A maxim...
We present Multiple-Outcome Proof Number Search (MOPNS), a Proof Number based algorithm able to prove positions in games with multiple outcomes. MOPNS is a direct generalization of Proof Number Search (PNS) in the sense that both behave exactly the same way in games with two outcomes. However, MOPNS targets a wider class of games. When a game features more than two outcomes, PNS can be used mul...
An outstanding question in animal development, tissue homeostasis and disease is how cell populations adapt to sensory inputs. During Drosophila larval development, hematopoietic sites are in direct contact with sensory neuron clusters of the peripheral nervous system (PNS), and blood cells (hemocytes) require the PNS for their survival and recruitment to these microenvironments, known as Hemat...
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