نتایج جستجو برای: interface structure

تعداد نتایج: 1740630  

A. Kazemi Babaheydari F. Mollaamin K. Zare

This study concerns about quantum chemical modeling behavior of 02 on Cr (100)surface by using density functional theory (DFT) by LANL2DZ and 6 — 31G* basissets, we presented the results of our first principles electronic structure calculationson the 02 molecules and their interface with Cr (100) surface. The chromium metalhas the body-centered cubic structure, and chromium cluster has five Cr ...

Journal: :فیزیک زمین و فضا 0
عباسعلی علی‏اکبری‏بیدختی فاطمه مالکی فرد مسعود خوش سیما

the entrainment of a stably stratified layer into a turbulent mixed layer in a confined region has been studied in the laboratory for different richardson numbers, ri. the results include direct observation of turbulent characteristics and density measurements using two high precision salinity meters. the measurements include turbulence intensity, scale of eddies near the interface and energy s...

2009
Harold Somers Frank van Eynde

There has recently been a very interesting public exchange of views regarding the relationship between MT and linguistics (Kettunen 1986; Slocum 1986). Kettunen – responding to Slocum's (1985) article – criticises MT for the fact that it sacrifices its reliance on "linguistically sound principles" to the goal of producing acceptable translations cost-effectively. For this reason, "the results m...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Qiangfeng Cliff Zhang Donald Petrey Raquel Norel Barry H Honig

With the advent of Systems Biology, the prediction of whether two proteins form a complex has become a problem of increased importance. A variety of experimental techniques have been applied to the problem, but three-dimensional structural information has not been widely exploited. Here we explore the range of applicability of such information by analyzing the extent to which the location of bi...

2012
N. Srivastava Guowei He R. M. Feenstra

Graphene films prepared by heating the SiC(0001̄) surface (the C-face of the {0001} surfaces) in a vacuum or in a Si-rich environment are compared. It is found that different interface structures occur for the two situations. The former yields a well known 3 × 3 reconstructed interface, whereas the latter produces an interface with √ 43 ×√43-R ± 7.6◦ symmetry. This structure is shown to contain ...

2016
Robin T. White Emmanuel S. Thibau Zheng-Hong Lu

We have systematically studied interface structure formed by vapor-phase deposition of typical transition metal oxide MoO3 on organic semiconductors. Eight organic hole transport materials have been used in this study. Ultraviolet photoelectron spectroscopy and X-ray photoelectron spectroscopy are used to measure the evolution of the physical, chemical and electronic structure of the interfaces...

2008
D. Sarma

Information on the influence of impregnation of cementitious slurry at the soil-structure interface of bored cast in-situ foundation is inadequate in available literatures. Moreover, influence of such impregnation on negating the detrimental effects of smear zone, formed by construction tools, surrounding the borehole is also unknown. In classical foundation engineering, influences of smear and...

Journal: :Nature materials 2017
H Hussain G Tocci T Woolcot X Torrelles C L Pang D S Humphrey C M Yim D C Grinter G Cabailh O Bikondoa R Lindsay J Zegenhagen A Michaelides G Thornton

The interaction of water with TiO2 is crucial to many of its practical applications, including photocatalytic water splitting. Following the first demonstration of this phenomenon 40 years ago there have been numerous studies of the rutile single-crystal TiO2(110) interface with water. This has provided an atomic-level understanding of the water-TiO2 interaction. However, nearly all of the prev...

The Cúk converter, which has voltage buck and boost ability, offers high flexibility as an interface device for solar panels. In addition, current ripple can be more reduced because of two input and output inductors at both sides. This paper presents a new application of current-variable inductors in a Cúk converter that reduces the size and capacity of storage elements. Because of two inductor...

ژورنال: مواد پرانرژی 2019

Nowadays solid propellant motors (SRMs) are widely used because of simple structure and reliability. One of the requirements in SRMs is high tensile and bonding strength of liner for integrity of grain structure and neutralizes stresses applying to motor. In this research, effect of curing agent ratio (NCO/OH) in the range of (R=0.9-1.4) on tensile strength of liner and bonding strength of line...

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