نتایج جستجو برای: zoning magmatic mixing
تعداد نتایج: 72178 فیلتر نتایج به سال:
In this paper we study the impact on productivity of specific operating practices currently used by demand responsive transit (DRT) providers. We investigate the effect of using a zoning vs. a no-zoning strategy and time-window settings on performance measures such as total trip miles, deadhead miles and fleet size. It is difficult to establish closed form expressions to assess the impact on th...
1. INTRODUCTION The present study advocates a strategy aimed at implementing the principles of sustainable development through operational tools to be used in programs for environmental conservation. To be more precise, I lay out a proposal of participatory zoning that is innovative in two main respects: i) it is based on an assessment of the territorial setup and the social values of the peopl...
The Gandy gold-base metal deposit is located in Tertiary Torud-Chahshirin volcano-plutonic range, north of Central Iran. Various styles of gold mineralization occur throughout the range. Mineralization at Gandy occurs in close spatial relation with rhyolitic domes in a caldera setting in a series of narrow brecciated veins. Two mineralogically and spatially different argillic alterations have a...
Citation: Caricchi L, Simpson G and Schaltegger U (2016) Estimates of Volume and Magma Input in Crustal Magmatic Systems from Zircon Geochronology: The Effect of Modeling Assumptions and System Variables. Front. Earth Sci. 4:48. doi: 10.3389/feart.2016.00048 Estimates of Volume and Magma Input in Crustal Magmatic Systems from Zircon Geochronology: The Effect of Modeling Assumptions and System V...
Millisecond fluctuations in length of day over multiple decades may induce fluctuations in flow of magma to the surface. We propose that the same magmatic volatiles that greatly amplify volcanic eruptions can also amplify these minute magmatic fluctuations sufficiently to be detected in sea surface temperature.
This paper concerns the problem of matching incompatible zonal geographies, for example in the context of comparing census outputs over time. The automated zoning procedure (AZP) proposed by Openshaw (1977) is reviewed, and a population stress statistic proposed which may be used in an AZP algorithm in order to maximise the match between two zonal geographies. An implementation of this approach...
In this paper we investigate whether unsupervised models can be used to induce conventional aspects of rhetorical language in scientific writing. We rely on the intuition that the rhetorical language used in a document is general in nature and independent of the document’s topic. We describe a Bayesian latent-variable model that implements this intuition. In two empirical evaluations based on t...
Transport modelling and in particular transport assignment is a wellknown bottleneck in computation cost and time for urban system models. The use of Transport Analysis Zones (TAZ) implies a trade-off between computation time and accuracy: practical computational constraints can lead to concessions to zone size with severe repercussions for the quality of the transport representation in urban m...
Abstract in English The granite of Abeokuta is part the Older Granite suite basement complex southwestern Nigeria. Field observation has identified as porphyritic texture, with a preferred alignment megacrysts K-feldspar >5 cm that are mostly euhedral to subhedral shape. predominantly yellowish, but whitish and pinkish colouration also been observed. dark grey porphyritic, mafic rock composi...
In the last decade, dozens of local governments have enacted zoning ordinances designed to limit the concentration of payday lenders and other alternative financial services providers (AFSPs), such as check-cashing businesses and auto title loan shops, in their communities. The main impetus for these ordinances is to shield economically vulnerable residents from the industry's lending practices...
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