نتایج جستجو برای: superstructure

تعداد نتایج: 2048  

Journal: :The Laryngoscope 2016
Mina Park Sungjun Han Byung Yoon Choi Sun O Chang Chong Sun Kim Ja-Won Koo

OBJECTIVES/HYPOTHESIS To review surgical findings and hearing outcomes of incus footplate assembly (IFA) for the patients with conductive hearing loss due to missing stapes superstructure with a mobile stapes footplate. STUDY DESIGN Retrospective case review and survey. METHODS Pre- and postoperative audiometric data and intraoperative findings were reviewed. Postoperative air-bone gap (ABG...

Journal: :Perception 1991
E Leeuwenberg P van der Helm

Some stimuli are perceived as unitary patterns, and others as dual or plural patterns. Such 'unity-and-variety' phenomena are explained by various process approaches of perception, such as the global precedence hypothesis, the preattentive orientation detection assumption, and the recognition-by-components model. However, these three approaches, which will be discussed in this paper, each expla...

2015
Somnath Sengupta S K Ghorai

A new design of superstructure fiber Bragg grating using two alternately sampled FBGs is proposed. Dual-band multichannel characteristics and multiparameter sensing can be realized using multiple reflection peaks located in two separate regions of wavelength.

2003
I. V. Shvets N. Berdunov G. Mariotto

– We present direct experimental evidence of the formation of a superstructure on the (111) surface of a magnetite, Fe3O4 single crystal. The superstructure, which has a periodicity of 42A and three-fold symmetry, has been observed by means of STM and LEED. Under the correct conditions of oxygen pressure and sample anneal temperature, the superstructure is reproducibly formed throughout most of...

Journal: :Organic & biomolecular chemistry 2009
Lisa Green Yannian Li Timothy White Augustine Urbas Timothy Bunning Quan Li

Two light-driven molecular switches with tetrahedral and axial chirality were synthesized, which can induce a helical superstructure in an achiral liquid crystal host and dynamically phototune it to achieve reversible reflection color.

Journal: :Physical review letters 2001
B Sandstede A Scheel

The spatiotemporal superstructure of meandering and drifting spiral waves is explained analytically. It is also demonstrated that the Hopf eigenmode that causes the transition to meandering waves is weakly exponentially localized at onset but grows exponentially slightly before onset.

Journal: :Mineralogy and Petrology 2023

Abstract During a systematic study on formation conditions of new compounds with zemannite-type structures, crystals ten oxidotellurate(IV) phases were grown under hydrothermal conditions, partially by employing drastic reduction the water content. The crystal structures obtained determined single-crystal X-ray diffraction. Na 2 [Ni (TeO 3 ) ]·2.5H O, K ]·H [Zn ]·2H Rb 1.25 [Co ]·1.5H O and 1.2...

Journal: :Nano letters 2016
Ward van der Stam Freddy T Rabouw Sander J W Vonk Jaco J Geuchies Hans Ligthart Andrei V Petukhov Celso de Mello Donega

Ordered two-dimensional (2D) superstructures of colloidal nanocrystals (NCs) can be tailored by the size, shape, composition, and surface chemistry of the NC building blocks, which can give directionality to the resulting superstructure geometry. The exact formation mechanism of 2D NC superstructures is however not yet fully understood. Here, we show that oleic acid (OA) ligands induce atomic a...

Journal: :Computers & Chemical Engineering 2013
Belinda Wang Berhane H. Gebreslassie Fengqi You

This paper proposes a multiobjective, mixed-integer nonlinear programming (MINLP) model for the superstructure optimization of hydrocarbon biorefineries via gasification pathway under economic and environmental criteria. The proposed hydrocarbon biorefinery superstructure includes a number of major processing stages, such as drying of the cellulosic biomass feedstocks, air separation unit, gasi...

2018
Vyacheslav Timofeev Alexandr Nikiforov Artur Tuktamyshev Vladimir Mashanov Michail Yesin Aleksey Bloshkin

The dependences of the two-dimensional to three-dimensional growth (2D-3D) critical transition thickness on the composition for GeSiSn films with a fixed Ge content and Sn content from 0 to 16% at the growth temperature of 150 °С have been obtained. The phase diagrams of the superstructure change during the epitaxial growth of Sn on Si and on Ge(100) have been built. Using the phase diagram dat...

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