Seismotectonic Features of the Spatial Volumetric Structure of Faults Activated with Chuy Earthquake M s = 7.3 Occurred on September 27, 2003 in Mountain Altai (Russia): Results of the Study of the Upper-Crustal Focal Area

Geotectonics ◽  
2021 ◽  
Vol 55 (2) ◽  
pp. 240-249
Author(s):  
A. F. Emanov ◽  
A. A. Emanov ◽  
A. V. Fateev
Keyword(s):  
1998 ◽  
Vol 25 (9) ◽  
pp. 1439-1442 ◽  
Author(s):  
Satoshi Matsumoto ◽  
Kazushige Obara ◽  
Akira Hasegawa
Keyword(s):  
P Wave ◽  

Geophysics ◽  
2006 ◽  
Vol 71 (6) ◽  
pp. A55-A59 ◽  
Author(s):  
A. J. Berkhout ◽  
D. J. Verschuur

Interpolation of data beyond aliasing limits and removal of noise that occurs within the seismic bandwidth are still important problems in seismic processing. The focal transform is introduced as a promising tool in data interpolation and noise removal, allowing the incorporation of macroinformation about the involved wavefields. From a physical point of view, the principal action of the forward focal operator is removing the spatial phase of the signal content from the input data, and the inverse focal operator restores what the forward operator has removed. The strength of the method is that in the transformed domain, the focused signals at the focal area can be separated from the dispersed noise away from the focal area. Applications of particular interest in preprocessing are interpolation of missing offsets and reconstruction of signal beyond aliasing. The latter can be seen as the removal of aliasing noise.


1957 ◽  
Vol 189 (3) ◽  
pp. 517-519 ◽  
Author(s):  
George H. Crampton

An electroretinogram was found only for the first flash of a series of flashes alternating between two separate locations on the exposed chicken retina. This was still true when a septum separated the two locations, therefore, excluding the possibility that nonfocal light might prevent successive activities by providing a constant illumination of the entire retina during the alteration of exposures. Further observations showed that the retinal areas were not inhibited, but were continually active and that with certain electrode placements and exposure rates, electrical summation concealed the individual contributions of each focal area.


2020 ◽  
Vol 29 (2) ◽  
pp. 142-147 ◽  
Author(s):  
Josep C. Benítez-Martínez ◽  
Pablo Martínez-Ramírez ◽  
Fermín Valera-Garrido ◽  
Jose Casaña-Granell ◽  
Francesc Medina-Mirapeix

Context: The prevalence and negative consequences of the symptoms surrounding patellar tendinopathy constitute an important problem for sports medicine professionals. The identification of potential pain mediators is, therefore, of major interest to improve both the prevention and management of this injury. Objective: To compare the pain experienced by elite male adult basketball players and patterns of patellar tendon abnormalities. Also, to identify whether structural and vascular sonographic abnormalities (focal area of hypoechogenicity, thickening, and neovascularization [NV]) are equal in determining pain perceptions. Design: An observational study with professional basketball teams (ACB—Spanish league). Participants: A total of 73 male basketball players (mean age 26.8 y). Main Outcome Measures: Patellar tendon ultrasonography images. Pain scores were compared between the identified patterns. Multiple regression analysis was used to examine the relative importance of abnormalities. Results: Of the 146 tendons, 91 had some degree of sonographic abnormality. Three main patterns were identified: I (1 structural abnormality without NV), II (2 structural abnormalities without NV), and III (2 structural abnormalities and NV). A total of 31 tendons (21.2%) exhibited pattern I, 46 (31.5%) presented pattern II, and 13 tendons (8.9%) exhibited pattern III. The mean visual analog scale and the Victorian Institute of Sport assessment questionnaire—patellar tendon (VISA-P) scores for pattern III were significantly different (P < .05) compared with patterns I and II; however, the pain pressure threshold (PPT) scores were not. NV was significantly associated with worsened scores for all pain measures; however, the focal area of hypoechogenicity was only associated with PPT scores. Conclusion: Patterns of sonographic abnormalities, including NV, demonstrated greater pain. Although NV determined scores for the visual analog scale, VISA-P, and PPT, the presence of focal area of hypoechogenicity on its own is a determining factor for the PPT. This study suggests that the combination of 2 or more sonographic abnormalities may help explain pain variations among basketball players.


2008 ◽  
Vol 7 (2) ◽  
pp. 09
Author(s):  
E. T. L. Cöuras Ford ◽  
J. U. L. Mendes ◽  
E. M. Souza

The solar energy was used as a source of heating in Ricinus communis pie with the objective of eliminating or minimizing the percentage of the poison in it, so that it can be used as animal feed. A solar cylinder and plane collector were used as heating system. In the focal area of the solar concentrator a gutter support endowed with stove effect was placed. Parameters that denote the efficiency of the systems for the proposed objective was analyzed.


Procedia CIRP ◽  
2013 ◽  
Vol 5 ◽  
pp. 282-285 ◽  
Author(s):  
Taizan Yonetsuji ◽  
Keisuke Fujiwara ◽  
Kazunori Itani ◽  
Hideki Takeuchi ◽  
Takashi Azuma ◽  
...  
Keyword(s):  

2013 ◽  
Vol 18 (1) ◽  
pp. 5-15
Author(s):  
Joseph P. Laycock

This issue of Nova Religio is devoted to “the paranormal,” focusing specifically on discourses rejected by mainstream religion and traditional science. The authors explore the historic and cultural significance of such topics as hauntings, séances, alien abductions, and more generally the concept of “paranormal” as a category of religious beliefs. These articles contribute to what may be a new focal area in the study of new and emerging religions.


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