نتایج جستجو برای: rectangular opening

تعداد نتایج: 71821  

Journal: :Remote Sensing 2017
Shuai Wang Caijun Xu Yangmao Wen Zhi Yin Guoyan Jiang Lihua Fang

On 25 November 2016 (UTC 14:24:30), an Mw 6.6 dextral strike-slip earthquake ruptured Aketao county in the northwestern portion of the Kongur Shan extensional system, western China. We extracted surface deformation maps and investigated the distribution of the coseismic slip of the 2016 Aketao earthquake by exploiting the Interferometric Synthetic Aperture Radar data imaged by the Sentinel-1 sa...

2016
Sudan Jha Sunil Pandey

Nowadays, Information Society policies have been paying a lot of attention in bridging “Digital Divide” in our country. The gap between people from different socioeconomic backgrounds with regard to their opportunity and ability to access and make use of Information and Communication Technologies (ICT) is commonly regarded as a potential barrier for participation in the information society. ICT...

2008
K. Hagino

For a single potential barrier, the barrier penetrability can be inverted based on the WKB approximation to yield the barrier thickness. We apply this method to heavy-ion fusion reactions at energies well below the Coulomb barrier and directly determine the inter-nucleus potential between the colliding nuclei. To this end, we assume that fusion cross sections at deep subbarrier energies are gov...

2017
Erkan Er Miguel L. Bote-Lorenzo Eduardo Gómez-Sánchez Yannis A. Dimitriadis Juan I. Asensio-Pérez

Assessing and providing feedback to thousands of student artefacts in MOOCs is an unfeasible task for instructors. Peer review, a well-known pedagogical approach that offers various learning gains, has been a common approach to address this practical challenge. However, low student participation is a potential barrier to the success of peer reviews. The present study proposes an approach to pre...

2003
H. K. Jassal

We study cosmological effects of homogeneous tachyon field as dark energy. We concentrate on two different scalar field potentials, the inverse square potential and the exponential potential. These models have a unique feature that the matter density parameter and the density parameter for tachyons remain comparable for a large range in redshift. It is shown that there exists a range of paramet...

1996
Krishna Rajagopal

This paper presents work done in collaboration with E. Farhi, J. Goldstone, and A. Lue which is described in full in Ref. [1]. We consider a variant of the standard electroweak theory in which the Higgs sector has been modified so that there is a classically stable weak scale soliton. We explore fermion number violating processes which involve soliton decay. A soliton can decay by tunnelling un...

1995
E. V. Shuryak

Recent experiments with trapped cooled atoms have produced evidences for Bose-Einstein condensation. Among the atoms used are 7 Li ones, with attractive low energy interaction. Stability of their condensate is studied, with a conclusion that for a number of atoms below the critical value there exist a metastable minimum, separated from collapse by a potential barrier. The lifetime due to tunnel...

Journal: :SN applied sciences 2021

Abstract This study investigates experimentally and numerically the performance of externally prestressed reinforced high strength concrete (HSC) beams with central openings. Seven rectangular HSC (six openings a reference solid beam) are loaded incrementally to failure. All have same dimensions, reinforcement ratio variable size. Experimentally, results show that, appearance first flexural cra...

Journal: :Aerospace 2022

The variable area bypass injector (VABI) plays a crucial role in cycle engines by regulating the flow mixing process complex ducts, and low-dimensional theoretical models are key to revealing its working mechanism while estimating aerodynamic performance. An improved VABI model using control volume method is established, through which feature parameters that determine performance summarized. To...

1999
Md. Saidur Rahman

This thesis presents efficient algorithms for drawing planar graphs. Graph drawing addresses the problem of constructing geometric representation of information and finds applications in almost every branch of science and technology. In this thesis we study rectangular drawings, orthogonal drawings, convex drawings and our newly defined box-rectangular drawings. Rectangular drawings and box-rec...

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