نتایج جستجو برای: pnano sic

تعداد نتایج: 13124  

2017
Longbiao Li

In this paper, the fatigue damage and lifetime of 2D SiC/SiC ceramic-matrix composites (CMCs) under cyclic fatigue loading at 750, 1000, 1100, 1200 and 1300 °C in air and in steam atmosphere have been investigated. The damage evolution versus applied cycles of 2D SiC/SiC composites were analyzed using fatigue hysteresis dissipated energy, fatigue hysteresis modulus, fatigue peak strain and inte...

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Journal: :The European respiratory journal 2014
Xavier Muñoz Mónica Sánchez-Ortiz Ferran Torres Ana Villar Ferran Morell María-Jesús Cruz

Reliable methods are needed to diagnose hypersensitivity pneumonitis. The aim of the study was to establish the diagnostic yield of specific inhalation challenge (SIC) in patients with hypersensitivity pneumonitis. All patients with suspected hypersensitivity pneumonitis in whom SIC was performed (n=113) were included. SIC was considered positive when patients showed a decrease of >15% in force...

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2015
Manish Mandloi Mohammed Azahar Hussain Vimal Bhatia

In this article, we propose an improved multiple feedback successive interference cancellation (IMF-SIC) algorithm for symbol vector detection in multiple-input multipleoutput (MIMO) spatial multiplexing systems. The multiple feedback (MF) strategy in successive interference cancellation (SIC) is based on the concept of shadow area constraint (SAC) where, if the decision falls in the shadow reg...

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1999
A. K. Speck A. M. Hofmeister M. J. Barlow

Pre-solar grains of silicon carbide found in meteorites and interpreted as having had an origin around carbon stars from their isotopic composition, have all been found to be of the β-SiC polytype. Yet to date fits to the 11.3-µm SiC emission band of carbon stars had been obtained only for α-SiC grains. We present thin film infrared (IR) absorption spectra measured in a diamond anvil cell for b...

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Journal: Journal of Physical and Theoretical Chemistry 2017
M. Rakhshi Mahdi Rezaei Sameti,

In the present study we focused on the electronic and structural properties of Na and Mg adsorption on the surface of the (6, 6) armchair SiCNTs. The adsorption energy (Eads), band gap energy (Eg), partial density of state (PDOS), chemical potential (μ), global hardness (η), electrophilicity index (ω), global softness (S), work function values (φ) and work function change (Δφ) are calculated by...

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2007
Stefan Janz Gerhard Willeke Elke Scheer

Dissertation zur Erlangung des akademischen Grades Doktor der Naturwissenschaften Introduction Figure 1.1: One possible amorphous silicon (white) and carbon (black) network with incorporated hydrogen (small black dots) a-SiC:H. 20 Figure 1.2: Fourier transformed infrared (FTIR) absorption spectra for a typical stoichiometric SiC layer as deposited at 350°C. 21 Figure 1.3: Auger electron spectro...

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2017
Eiichi Murakami Takahiro Furuichi Tatsuya Takeshita Kazuhiro Oda

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2018
Boris Bukh Christopher Cox

How can d+k vectors in R be arranged so that they are as close to orthogonal as possible? In particular, define θ(d, k) := minX maxx 6=y∈X |〈x, y〉| where the minimum is taken over all collections of d + k unit vectors X ⊆ R. In this paper, we focus on the case where k is fixed and d → ∞. In establishing bounds on θ(d, k), we find an intimate connection to the existence of systems of ( k+1 2 ) e...

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Journal: :CoRR 2013
Peng Li Rodrigo C. de Lamare

In this paper, a low-complexity multiple feedback successive interference cancellation (MF-SIC) strategy is proposed for the uplink of multiuser multiple-input multiple-output (MU-MIMO) systems. In the proposed MF-SIC algorithm with shadow area constraints (SAC), an enhanced interference cancellation is achieved by introducing constellation points as the candidates to combat the error propagati...

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2016
Jianwu Sun Valdas Jokubavicius L. Gao Ian Don Booker Mattias Jansson Xinyu Liu M. Linnarsson P. Wellmann I. Ramiro A. Marti Rositsa Yakimova Mikael Syväjärvi Lu Gao Ian Booker Jan P. Hofmann Emiel J. M. Hensen Margareta Linnarsson Peter Wellmann Iñigo Ramiro Antonio Marti

There is a strong and growing worldwide research on exploring renewable energy resources. Solar energy is the most abundant, inexhaustible and clean energy source, but there are profound material challenges to capture, convert and store solar energy. In this work, we explore 3C-SiC as an attractive material towards solar-driven energy conversion applications: (i) Boron doped 3C-SiC as candidate...

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