نتایج جستجو برای: nodal point
تعداد نتایج: 542742 فیلتر نتایج به سال:
The Material Point Method (MPM) has been very successful in providing solutions to many challenging problems involving large deformations. Nevertheless there are some important issues that remain to be resolved with regard to its analysis. One key challenge applies to both MPM and Particle in Cell (PIC) methods and arises from the difference between the number of particles and the number of the...
Energy band nodal structures (nodal points/lines/surfaces) in the Brillouin zone (BZ) have received immense research interest past decade, while their complete classification is still lacking. Here, we focus on all 1651 magnetic space groups (MSGs) and 528 layer (MLGs) to provide a dataset of symmetry-diagonalizable strictly nearly emanating from nodes (BNs) at symmetric $k$ points. Using our d...
background epstein barr virus (ebv) is one of the most common viral infections in human population. ebv has a significant role in pathogenesis of hodgkin's lymphoma, burkitt's lymphoma and nasopharyngeal carcinoma. the role of ebv in non-hodgkin’s lymphoma, diffuse large b cell (nhl - dlbl) in the head and neck is controversial. objectives the purpose of this study is to find out the ...
Formation of the dorsal-ventral axis of the sea urchin embryo relies on cell interactions initiated by the TGFbeta Nodal. Intriguingly, although nodal expression is restricted to the ventral side of the embryo, Nodal function is required for specification of both the ventral and the dorsal territories and is able to restore both ventral and dorsal regions in nodal morpholino injected embryos. T...
Abstract Background Testicular cancer is the second most frequent form of male genital tumors. Globally, testicular malignancy has risen over last forty years. Among malignant tumors, germ cell tumors represent approximately 95% all They are classified into seminomatous and non-seminomatous as they differ in clinical features, therapy, prognosis. Despite increasing value whole-body fluorodeoxyg...
We consider an anisotropic (p,2)-equation, with a parametric and superlinear reaction term. show that for all small values of the parameter problem has at least five nontrivial smooth solutions, four constant sign fifth nodal (sign-changing). The proofs use tools from critical point theory, truncation comparison techniques, groups.
We analyze the topological properties of possible superconducting states emerging from a ${\mathrm{Cd}}_{3}{\mathrm{As}}_{2}$-like, ${\mathcal{C}}_{4}$-symmetric Dirac semimetal, with two fourfold-degenerate points separated in ${k}_{z}$ direction. Unlike simplest Weyl semimetal for which all pairing orders are topologically obstructed and nodal, we show that obstruction semimetals crucially on...
Introduction: Developmental changes in atrioventricular nodal conduction time and refractoriness have been shown in several studies. Prevalence of atrioventricular nodal reentrant tachycardia (AVNRT) is clearly age-dependent. The purpose of this study was to determine developmental changes of basic and frequency-dependent electrophysiological properties of the atrioventricular node (AV-node)...
Cripto-1, a co-receptor for Nodal, can activate Nodal-dependent and Nodal-independent signaling pathways. In this study we have investigated whether Cripto-1 mutants, that fail to activate a Nodal-dependent signaling pathway, are capable to activate a Nodal-independent signaling pathway in mammary epithelial cells. Cripto-1 mutants expressed in EpH4 mouse mammary epithelial cells are fully func...
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