نتایج جستجو برای: strain seismograph
تعداد نتایج: 218725 فیلتر نتایج به سال:
The best constraints on the internal structures of giant planets have historically originated from measurements their gravity fields1–3. These data are inherently mostly sensitive to a planet’s outer regions, stymieing efforts measure mass and compactness cores Jupiter2,4,5 Saturn6,7. However, studies Saturn’s rings detected waves driven by pulsation modes within planet8–11, offering independen...
Stability studies play a critical role in assuring product quality at all points in the vaccine life cycle and havea major impact on the success of immunization programs worldwide. The purpose of stability study isdetermination of the vaccine quality under the variety of environmental factors and to establish a re-testperiod or a shelf life and recommended storage conditions. In this study thre...
[1] In order to use ambient seismic noise for mapping Earth’s structure, it is important to understand the spatiotemporal characteristics of the noise field. This study uses data collected during four austral winter months of 2002 to investigate New Zealand’s ambient seismic noise field in the double-ocean-wave-frequency range (0.1–0.3 Hz). It is shown via beamforming analysis that there are tw...
[1] The 2011, Mw9.0 Tohoku earthquake was followed by an abundant amount of seismicity providing a unique opportunity to analyze the triggering mechanism of great earthquakes. Although the Tohoku earthquake occurred close to a dense seismic network, many aftershocks that occurred in the first few hours after the mainshock are not recorded in the earthquake catalogs. Here we use a template wavef...
The past century has witnessed the emergence of expressive musical forms that originate in appropriated technologies and practices. In most cases, this appropriation is performed without protest— but not always. Carefully negotiating a space for sound as an objective, scientific medium, the field of sonification has cautiously guarded the term from subjective and affective endeavors. This paper...
Hiroyuki HAMAGUCHI, Kazuhiko GOTO, and Ziro SUZUKI Geophysical Institute, Faculty of Science, Tohoku University, Sendai, Japan (Received December 20, 1983) Recent seismic studies using a high-gain seismograph network have demonstrated the existence of a double-planed seismic zone in the descending plate beneath island arcs such as northeastern Japan, Kurile, and Central Aleutian. Several hypoth...
Measurements of seismic anisotropy constitute a very important tool for examining patterns of flow and mineral properties in the Earth’s mantle. A popular strategy for gaining insight into upper mantle processes is to examine the splitting of SK(K)S phases and interpret them in terms of upper mantle anisotropy and deformation; in such studies, any contribution to splitting from anisotropy in th...
background: hydatidosis or cystic hydatid disease is one of the most important diseases in human and animals. identification of strains is important for improvement of control and prevention of dis-ease. the aim of this study was to determine the strains isolated from human and domestic animals in ilam province, iran, using pcr-rflp method. methods: respectively, 30 and 4 animal and human hydat...
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