نتایج جستجو برای: weak layer

تعداد نتایج: 418348  

Journal: :E3S web of conferences 2023

The current study examines how an unpaved road behaves when it is installed on top of a soft clay layer that's been strengthened at the subgrade/subbase interface with single geogrid type SS2 used to reinforce laboratory model, and cycling load apply repeated loads model. Subbases without reinforcement over subgrade were built in sizable test box. (1000 mm×1000 mm). results show that using enha...

Journal: :ACS nano 2012
Marco Papagno Daniela Pacilé Dinesh Topwal Paolo Moras Polina Makarovna Sheverdyaeva Fabian Donat Natterer Anne Lehnert Stefano Rusponi Quentin Dubout Fabian Calleja Emmanouil Frantzeskakis Stéphane Pons Jun Fujii Ivana Vobornik Marco Grioni Carlo Carbone Harald Brune

By combining angle-resolved photoemission spectroscopy and scanning tunneling microscopy we reveal the structural and electronic properties of multilayer graphene on Ru(0001). We prove that large ethylene exposure allows the synthesis of two distinct phases of bilayer graphene with different properties. The first phase has Bernal AB stacking with respect to the first graphene layer and displays...

2009
L. J. Silvers P. J. Bushby R. E. Proctor

Motivated by the interface model for the solar dynamo, this paper explores the complex magnetohydrodynamic interactions between convective flows and shear-driven instabilities. Initially, we consider the dynamics of a forced shear flow across a convectivelystable polytropic layer, in the presence of a vertical magnetic field. When the imposed magnetic field is weak, the dynamics are dominated b...

2007
RANDALL L. COOPER RAMESH NARAYAN

We use the two-zone model of Cooper & Narayan to study the onset and time evolution of hydrogen-triggered type I X-ray bursts on accreting neutron stars. At the lowest accretion rates, thermally unstable hydrogen burning ignites helium as well and produces a mixed hydrogen and helium burst. For somewhat higher accretion rates, thermally unstable hydrogen burning does not ignite helium and thus ...

2008
Ying Fan Wei You Jian-Lan Liu Hui-Fen Qian Wei Huang

The title compound, C(7)H(4)Cl(2)O(2), exhibits a layer crystal structure; mol-ecules within each layer are linked by weak C-H⋯O inter-molecular hydrogen bonds. There is also an intramolecular O-H⋯O hydrogen bond.

2007
Ernst P. Stephan

1.1 INTRODUCTION This paper gives a survey on additive Schwarz methods applied to the h and p versions of the boundary element method. We consider weakly singular and hypersingular integral equations, namely the single layer potential operator and the normal derivative of the double layer potential operator. That means we have to consider weak formulations of the form

2011
QIAN XIAO JIANHUI WANG J. H. WANG

The stochastic resonance method finds its original application on solving the issue of singlefrequency signals. In this paper, a multi-frequency stochastic resonance detection method based on wavelet transform weak signal is proposed. The first wavelet transform is carried out for detaching the negative effect of weak noisy signal in multi-frequency to realize the separation of the various freq...

Journal: :تحقیقات جغرافیایی 0
سعید جهانبخش اصل گروه جغرافیای دانشگاه تبریز رقیه روشنی گروه جغرافیای دانشگاه تبریز

in this research we have studied tabriz temperature inversion using radio-sound information, during the 2004-2008 periods in daily, monthly and seasonally scales. produced data associated with temperature inversion daily of the surface (2 meters) to 700 h.pa. several different measures are used, including the height of the base and the height of the top of the inversion, the temperature at the ...

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