نتایج جستجو برای: regional anomaly

تعداد نتایج: 244271  

2012
Risheng Chu Brandon Schmandt Don V. Helmberger

[1] Upper mantle seismic velocity structures in both vertical and horizontal directions are key to understanding the structure and mechanics of tectonic plates. Recent deployment of the USArray Transportable Array (TA) in the Midwestern United States provides an extraordinary regional earthquake data set to investigate such velocity structure beneath the stable North American craton. In this pa...

Journal: :Jurnal fisika : fisika sains dan aplikasinya 2023

Geophysical research has been carried out using the gravity method on Adonara island in east Flores Regency, East Nusa Tenggara. This study aims to determine subsurface rock geological conditions of area free air anomaly data from GGMplus and ERTM2160. The is reduced by atmospheric correction, simple bouguer curvature correction produce a complete anomaly. After regional anomalies residual are ...

Journal: :Journal of Financial and Quantitative Analysis 2021

Abstract Analyzing several developed and emerging international markets, I test the ability of global, regional, local models to explain a large set 134 cross-sectional anomalies. My main finding is that both global regional factor create substantially larger average absolute alphas than models. Annual (absolute) anomaly portfolio are on 1.7 1.1 percentage points higher, respectively, with Even...

2007
Ana Carolina Magalhães Juliano Pelim Pessan Robson Frederico Cunha Alberto Carlos Botazzo Delbem

Regional odontodysplasia (RO) is a rare developmental anomaly involving both mesodermal and ectodermal dental components in a group of contiguous teeth. It affects the primary and permanent dentitions in the maxilla and mandible or both jaws. Generally it is localized in only one arch. The etiology of this dental anomaly is uncertain. Clinically, affected teeth have an abnormal morphology, are ...

2017
Gregory Moore Philip C. Nelson

Certain nonlinear sigma models with fermions are ill-defined due to an anomaly which exhibits characteristics of both the nonabelian gauge theory anomaly and the SU(2) anomaly. The simplest way to diagnose the anomaly involves consideration of the global topology of the theory. We review the mathematical methods needed for this analysis and apply them to several supersymmetric sigma models. Som...

Journal: :British heart journal 1986
C Lincoln A N Redington K Li S Mattos E A Shinebourne M L Rigby

Thirty three patients were followed up after anatomical correction of transposition of the great arteries or double outlet right ventricle and subpulmonary ventricular septal defect (Taussig-Bing anomaly). There were no late deaths and clinical progress was excellent. Cardiac catheterisation was performed in 17 patients two weeks to 44 months after operation. There were six patients with simple...

2008
Ali Muhittin Albora Osman Nuri Uçan Davut Aydogan

In this paper, to separate regional-residual anomaly maps and to detect borders of buried geological bodies, we applied the Cellular Neural Network (CNN) approach to gravity and magnetic anomaly maps. CNN is a stochastic image processing technique, based optimization of templates, which imply relationships of neighborhood pixels in 2-Dimensional (2D) potential anomalies. Here, CNN performance i...

2017
Xuedong ZHANG Chunli KANG Weiyu MA Jing REN Yong WANG

Four earthquakes above M5.0 in Yunnan and Tibet, China occurred from 2010 to 2011. By calculating the tidal-force changes induced by celestial bodies in this region, we found that the earthquakes occurred when tidal forces continuously grew from low to peak levels and approached the maximum amplitude phase, which indicated a tidal force that had a trigger or inducing effect of active tectonic e...

2008
Yong Wang Qingtao Chen

For even dimensional manifolds, we prove some twisted anomaly cancellation formulas which generalize some well-known cancellation formulas. For odd dimensional manifolds, we obtain some modularly invariant characteristic forms by the Chern-Simons transgression and we also get some twisted anomaly cancellation formulas. Subj. Class.: Differential geometry; Algebraic topology MSC: 58C20; 57R20; 5...

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