منابع مشابه
Regime change and oscillation thresholds in recorder-like instruments.
Based on results from the literature, a description of sound generation in a recorder is developed. Linear and non-linear analysis are performed to study the dependence of the frequency on the jet velocity. The linear analysis predicts that the frequency is a function of the jet velocity. The non-linear resolution provides information about limit cycle oscillation and hysteretic regime change t...
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چکیده ندارد.
15 صفحه اولa synchronic and diachronic approach to the change route of address terms in the two recent centuries of persian language
terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...
15 صفحه اولFamilies’ Use of Payment Instruments During a Decade of Change in the U.S. Payment System
In the U.S., the share of payments made “electronically” – with credit cards, debit cards and direct payments – grew from 25 percent in 1995 to over 50 percent in 2002 (BIS, 2004). This paper frames this aggregate change in the context of individual behavior. Family level data indicate that the share of families using or holding these instruments also increased over the same period. The persona...
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ژورنال
عنوان ژورنال: Nature
سال: 1988
ISSN: 0028-0836,1476-4687
DOI: 10.1038/332028a0