منابع مشابه
And Sergei
We evaluate the matrix elements 〈r〉 for the n-dimensional harmonic oscillator in terms of the dual Hahn polynomials and derive a corresponding three-term recurrence relation and a Pasternack-type reflection relation. A short review of similar results for nonrelativistic hydrogen atom is also given. 1. An Introduction The purpose of this note is to present a simple evaluation of the expectation ...
متن کامل1972 , Volume , Issue Nov-1972
It makes swept insertion and return loss measurements simultaneously, overa wide frequency range. TO THE MICROWAVE ENGINEER, an instru ment that measures insertion and return loss simultaneously, over a broad band, would be as useful as is the voltmeter to other electronic special ists, provided it is made practical in several im portant ways. • Its measurements must really refer to the micro...
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In this paper, we briefly and informally illustrate, using a few annotated examples, the static and dynamic knowledge resources of ontological semantics. We then present the main motivations and desiderata of our approach and then discuss issues related to making ontological-semantic applications feasible through the judicious stepwise enhancement of static and dynamic knowledge sources while a...
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Naturally occurring furanocoumarin compounds psoralen (PRN) and isopsoralen (IPRN) are bioactive constituents found in herbaceous plants. They are widely used as active ingredients in several Chinese herbal medicines. In this study, the CYP1A2 inhibitory potential of PRN and IPRN was investigated in rats in vitro and in vivo as well as in human liver microsomes. Both compounds exhibited reversi...
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ژورنال
عنوان ژورنال: Slavic Review
سال: 1973
ISSN: 0037-6779,2325-7784
DOI: 10.1017/s0037677900139373