نتایج جستجو برای: pdos
تعداد نتایج: 178 فیلتر نتایج به سال:
We have studied the phonon density of states (PDOS) in LaFeAsO(1-x)Fx with inelastic neutron scattering methods. The PDOS of the parent compound (x=0) is very similar to the PDOS of samples optimally doped with fluorine to achieve the maximum Tc (x approximately 0.1). Good agreement is found between the experimental PDOS and first-principles calculations with the exception of a small difference...
We investigate the occurrence of photonic dipole oscillations (PDOs) in one-dimensional photonic crystals containing nonlinear composites. Because of the modulation of the graded pump electric fields, optical pulses undergo oscillations inside the curved band structure, analogous to the dipole oscillations in ultracold gases. The implementation of numerical simulations shows that our proposed s...
The growth of the Internet has created a corresponding growth in Internet-based crimes and online misbehavior, particularly among younger computer-savvy people. Younger generations have grown up in a world where internet access, social networking, e-commerce and smartphones are commonplace. Given this fact, they have learned how to use, and how to abuse, technology. This leads us to define a ne...
Using benzenediamine and benzenedithiol molecular junctions as benchmarks, we investigate the widespread analysis of the quantum transport conductance in terms of the projected density of states (PDOS) onto molecular orbitals (MOs). We first consider two different methods for identifying the relevant MOs: (1) diagonalization of the Hamiltonian of the isolated molecule and (2) diagonalization of...
BACKGROUND Personality disordered offenders (PDOs) are generally considered difficult to manage and to have a negative impact on staff working with them. AIMS This study aimed to provide an overview of studies examining the impact on staff of working with PDOs, identify impact areas associated with working with PDOs, identify gaps in existing research,and direct future research efforts. MET...
PURPOSE To compare patient's perception of consent quality, clinical and quality-of-life outcomes after laser vision correction (LVC) and refractive lens exchange (RLE) between patients who met their treating surgeon prior to the day of surgery (PDOS) or on the day of surgery (DOS). DESIGN Retrospective, comparative case series. SETTING Optical Express, Glasgow, UK. METHODS Patients treat...
WNS are significantly different from the traditional network architecture due to its wireless communication, energy limitation, and computation constraint and environment of the application. Because of these differences, security becomes a critical issue. The path-based denial of service (PDoS) attacks harm the network maintenance and cause serious damage in the resource constrained WSNs. In a ...
Phenazine 5,10-dioxides (PDOs) are a new class of bioreductive cytotoxins, which could act towards tumours containing hypoxic regions. The PDOs selective-hypoxic bioreduction was probed in vitro; however, the mechanism of action has not been completely explained. Besides, PDOs in vivo antitumour activities have not been demonstrated hitherto. We study the mechanism of hypoxic/normoxic cytotoxic...
The structural and magnetic properties of ultrathin FeO(111) films on Pt(111) with thicknesses from 1 to 16 monolayers (MLs) were studied using the nuclear inelastic scattering of synchrotron radiation. A distinct evolution of vibrational characteristics with thickness, revealed in the phonon density of states (PDOS), shows a textbook transition from 2D to 3D lattice dynamics. For the thinnest ...
False data injection attack and PDoS (path-based Denial of Service) attack are serious threats in wireless sensor networks. Existing schemes can effectively resist false data injection and PDoS attacks, but most of them can not find out the compromised node when the base station or sink node detect the report is invalid. In this paper, we propose a false data injection-resilient security routin...
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