نتایج جستجو برای: mnn
تعداد نتایج: 224 فیلتر نتایج به سال:
In the title compound, [Mn(C(12)H(9)O(2))(2)(C(7)H(6)N(2))(2)]·H(2)O, the Mn(II) ion is located on a twofold rotation axis and six-coordinated, displaying a distorted MnN(2)O(4) octa-hedral geometry. The crystal packing is stabilized by N-H⋯O hydrogen bonds, which give rise to a one-dimensional structure along [001], and π-π inter-actions between the imidazole rings and between the benzene ring...
We systematically investigate the structural, electronic and magnetic properties of Mnn clusters (n = 2−20) within the ab-initio pseudopotential plane wave method using generalized gradient approximation for the exchange-correlation energy. A new kind of icosahedral structural growth has been predicted in the intermediate size range. Calculated magnetic moments show an excellent agreement with ...
We use smoothed analysis techniques to provide guarantees on the training loss of Multilayer Neural Networks (MNNs) at differentiable local minima. Specifically, we examine MNNs with piecewise linear activation functions, quadratic loss and a single output, under mild over-parametrization. We prove that for a MNN with one hidden layer, the training error is zero at every differentiable local mi...
In this report, ferromagnetic interactions in modulation-doped GaMnN nanorods grown on Si (111) substrate by plasma-assisted molecular beam epitaxy are investigated with the prospect of achieving a room temperature ferromagnetic semiconductor. Our results indicate the thickness of GaN layer in each GaN/MnN pair, as well as Mn-doping levels, are essential for suppressing secondary phases as well...
This paper proposes a new partial discharge (PD) pattern recognition method base on the extension theory. First, five types of defect models are well-designed on the base of investigation of many power equipment failures. A commercial PD detector is used to measure the three-dimension (3D) PD patterns, then two fractal features (fractal dimension and lacunarity) and mean discharges of phase win...
The neuromechanical control principles of animal locomotion provide good insights for the development of bio-inspired legged robots for walking on challenging surfaces. Based on such principles, we developed a neuromechanical controller consisting of a modular neural network (MNN) and of virtual agonist-antagonist muscle mechanisms (VAAMs). The controller allows for variable compliant leg motio...
In the polymeric title complex, [Mn(C(9)H(9)O(2)S)(2)(C(10)H(8)N(2))(H(2)O)(2)](n), the Mn(2+) cation and the 4,4'-bipyridine ligand lie on a twofold rotation axis. The cation has an MnN(2)O(4) octa-hedral environment, being coordinated by the O atoms of two water mol-ecules and two monodentate (4-tolyl-sulfan-yl)acetate anions, and by two N atoms of two 4,4'-bipyridine ligands. The latter brid...
As the demand of, requesting the Internet without any disturbance by the mobile users of any network is increasing the IETF started working on Network Mobility (NEMO). Maintaining the session of all the nodes in mobile network with its home network and external nodes can be provided by the basic Network Mobility support protocol. It provides mobility at IP level to complete networks, allowing a...
A theoretical framework is developed for moment neuronal networks (MNNs). Within this framework, the behavior of the system of spiking neurons is specified in terms of the first- and second-order statistics of their interspike intervals, i.e., the mean, the variance, and the cross correlations of spike activity. Since neurons emit and receive spike trains which can be described by renewal--but ...
In the hydrated title complex, [Mn(C(8)H(6)N(3)O(2))(CH(3)CO(2))(C(12)H(8)N(2))(H(2)O)(2)]·2H(2)O, the Mn(II) atom is coordinated by two N atoms from a 1,10-phenanthroline ligand, two water O atoms, a monodentate acetate anion and an O-monodentate 2-(1H-benzotriazol-1-yl)acetate ligand, resulting in a distorted cis-MnN(2)O(4) octa-hedral coordination geometry. The water O atoms are in a trans a...
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