نتایج جستجو برای: seismic intensity
تعداد نتایج: 217001 فیلتر نتایج به سال:
........................................................................................................................... iii ACKNOWLEDGMENTS........................................................................................................iv TABLE OF cONTENTS ...........................................................................................................v LIST OF FIGURES........
We present the results of ground-based Ultra Low Frequency (ULF) magnetic field measurements observed from June to August 2004 during the Bovec earthquake on 12 July 2004. Further we give information about the seismic activity in the local observatory region for an extended time span 2004 and 2005. ULF magnetic field data are provided by the South European Geomagnetic Array (SEGMA) where the ex...
اندازه گیری شدت صدا (sound intensity) برای تشخیص منابع نویز در یک مجموعه متراکم از قطعات در حال کار و مرتبط با یکدیگر در خودرو کابردهای فراوانی دارد. خوشبختانه بر اساس تلاشهای محققان [ j.y.chunf] and [f. j. fahy] سیستمی طراحی شده که میتوان بدون استفاده از اتاقک آکوستیک شدت صوت را با دقت خوبی در محیط های آزاد اندازه گیری کرد.
[1] We report on seismic and petrological data that provide new constraints on the geological evolution of the Amerasia Basin. A seismic reflection transect across the Makarov Basin, located between the Mendeleev and Lomonosov Ridges, shows a complete undisturbed sedimentary section of Mesozoic/Cenozoic age. In contrast to the Mendeleev Ridge, the margin of the Lomonosov Ridge is wide and shows...
Steel offshore platforms are some of those structures which are built to withstand environmental and accidental loads during oil exploitation operation. Particular attention is being paid to earthquake loads in seismic active areas because it directly influences the capacity of the offshore structure installations. The uncertainties available in earthquake loads as well as in strength of struct...
A rockburst is a violent failure of a mine opening and is usually associated with deep mining operations. The objective of this research is to detect and reduce rockburst hazards by studying seismic energy release, geostructural data including mine opening closure rates, and in situ stress measurements. Little progress has been made in determining mechanisms of rockbursts, but improved methods ...
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