نتایج جستجو برای: explorer plate
تعداد نتایج: 82740 فیلتر نتایج به سال:
The Explorer plate is a young oceanic microplate that accommodates relative motion between the Pacifi c, Juan de Fuca, and North America plates near northern Vancouver Island, Canada. The northern limit of Explorer plate–Juan de Fuca subduction and the fate of the slab in northern Cascadia are poorly understood. We use passive teleseismic recordings from an array of POLARIS broadband seismic st...
We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument comprises a 50 cm diameter modified Ritchey-Chrétien telescope with a 1.25 field of view, selectable imaging and objective grism spectroscopic modes, and an innovative optical system with a thin-fil...
One of the consequences of plate tectonics is that a spreading ridge will eventually approach a subduction zone. The problem whether the possible break-up of the approaching ridge will lead to the development of independent micro-plates, or not, is still unresolved. Some 4 million years ago the interaction between the Juan de Fuca Ridge and the Cascadia subduction zone resulted in ridge fragmen...
the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...
با توجه به استفاده روزافزون قاب های خمشی مرکب و تاثیر جزییات اتصال تیر و ستون در رفتار اتصالات ستون بتنی و تیر فولادی (rcs)، در این تحقیق به بررسی عملکرد تیر متعامد در این نوع اتصالات پرداخته شده است که بدین منظور از 25 مدل با جزییات مختلف استفاده شده است. در این مطالعه علاوه بر تاثیر تیر متعامد، سایر جزییات موجود در اتصال نیز مورد بررسی قرار گرفته است. در این راستا به بررسی برخی دیگر از جزییات...
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