نتایج جستجو برای: values are investigated using broadband iranian national seismic network center bin besides
تعداد نتایج: 7853039 فیلتر نتایج به سال:
We analyze seismic waves excited by small Strombolian explosions to understand the source process of volcanic explosions. deployed five broadband seismometers at only 100–300 m away from active craters Stromboli volcano, Italy. Moment tensor inversion entire signals in 0.05–0.2 Hz band locates a depth 170 and 150–200 west/southwest crater where acoustic are excited. Contrary, sources 0.2–0.5 0....
Background & Aim: Growth monitoring is a necessary part of routine medical health services all over the world. In growth monitoring, it is important to define standard values of growth indices for each country and human race. In this respect, the present study aimed to evaluate and determine growth indices for schoolboys and girls living in Tehran and to compare those indices with standard ...
In the seismic risk assessment of structures, two main random variables are involved, namely the vulnerability of the structure and the seismic action. The aim of the study presented here is to analyze the seismic behavior of the jacket-type offshore platforms as an expensive and vital structure. Furthermore, the influence of the incidence angle of the seismic action is also investigated by usi...
We probe the structure and composition of the atmospheres of 5 hot Jupiter exoplanets using the Hubble Space Telescope Wide Field Camera 3 (WFC3) instrument. We use the G141 grism (1.1-1.7 μm) to study TrES-2b, TrES-4b, and CoRoT-1b in transit, TrES-3b in secondary eclipse, and WASP-4b in both. This wavelength region includes a predicted absorption feature from water at 1.4 μm, which we expect ...
Abstract The ray series method may be generalized using a ray centered coordinate system for general 3D-heterogeneous media. This method is useful for Amplitude Versus Offset (AVO) seismic modeling, seismic analysis, interpretational purposes, and comparison with seismic field observations.For each central ray (constant ray parameter), the kinematic (the eikonal) and dynamic ray tracing system ...
We present a real-time procedure that uses cross-correlation and doubledifference methods to rapidly relocate new seismic events with high precision relative to past events with accurately known locations. Waveforms of new events are automatically cross correlated with those archived for nearby past events to measure accurate differential phase arrival times. These data, together with delay tim...
In this paper we investigate the effects of broadband infrastructure providing high speed internet, on economic growth in developing countries. We have used two different broadband measures to classify developing countries into two groups for the period 1999-2008. By using logistic diffusion model and IV approach, a nonlinear diffusion model is specified. Differences in ceiling of diffusion cur...
the ability to speak two languages in the world is a remarkable achievement. there is a good reason to believe that bilingualism is the norm for the majority of people in the world because 70% of the earth’s population are supposed to be bilingual or multilingual. various investigations have shown that the native language impacts foreign word recognition, and this influence is adapted by the de...
The United States Federal Communications Commission delivered to Congress a national broadband plan in 2010. The purpose of this article is to analyze key economic arguments involving the development of the broadband plan addressing open network and competition issues, to make recommendations to the Commission in its formulation of federal policy as to positions that make the most economic sens...
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