نتایج جستجو برای: n15

تعداد نتایج: 309  

1999
NICHOLAS CRAFTS Nicholas Crafts

The paper surveys the literature on the growth performance of the East Asian economies, evaluates the sustainability of that performance, and provides a preliminary assessment of their long-term growth prospects in the aftermath of the current crisis. It highlights special features of East Asian growth, including unusually high factor accumulation and a favorable demographic transition, but arg...

Journal: :Science 1951
G M RILEY S J BEHRMAN B DE VORE

__ Technical Papers A Simplified Silver Impregnation Method for Vaginal Smears: Gardner M. Riley, S. J. Behrman, and B . De Vore . ................ . 574 The Use of Ultraviolet Light as a Means of Diagnosing Carnation Mosaic: W. D. Thomas, Jr., R. R. Baker, and Joseph G. Zoril................ ... . 576 Abundance of N15 in the Nitrogen Present in Crude Oil and Coal: Paul V. Smith, Jr., and Boyd ...

Journal: :Nucleic acids research 1999
N V Ravin V K Ravin

A new cloning vector pN15L is described. It is a linear 13.8 kb plasmid based on the coliphage N15 mini-replicon. The vector capacity exceeds 50 kb and the copy number is 250 per Escherichia coli chromosome. We show that some artificial and natural palindromes and approximately 5% of human DNA Bgl II fragments can be cloned effectively in linear vector pN15L, whereas they either sharply reduce ...

Journal: :The Journal of biological chemistry 1952
R W SCHAYER L M HENDERSON

Quinolinic acid (pyridine-cr , /3-dicarboxylic acid) has been isolated from rat urine after administration of tryptophan to rats (1). It has been suggested that quinolinic acid is formed via 3-hydroxyanthranilic acid by oxidative cleavage of the benzene ring in the 3-4 position, followed by closure incorporating the amino nitrogen in a pyridine ring (1). In this paper are reported the results o...

2017
MEI-CHU CHANG IGOR E. SHPARLINSKI M. Z. Garaev I. E. SHPARLINSKI

FOR SPARSE SEQUENCES MODULO PRIMES MEI-CHU CHANG, BRYCE KERR, AND IGOR E. SHPARLINSKI Abstract. We complement the argument of M. Z. Garaev (2009) with several other ideas to obtain a stronger version of the large sieve inequality with sparse exponential sequences of the form λn . In particular, we obtain a result which is non-trivial for monotonically increasing sequences S “ tsnun“1 provided s...

Gh Maamouri H Boskabadi H Mohsen Zadeh M Ghayour Mobarhan MT Shakeri

Introduction: Neonatal jaundice is the most common cause of hospitalization.Animal study demonstrated a decrease in serum bililrubin level after zinc treatment in hyperbilirubinemic rats. The objective of this study was the investigation of serum zinc level in the neonates with idiopatic .   Materials and Methods: A case-control study was undertaken on 263 neonates in a neonatal intensive care ...

Journal: :The Journal of antibiotics 1989
A Trani P Ferrari R Pallanza R Ciabatti

N15-Isothiouronium derivatives of teicoplanin and its aglycone submitted to alkaline condition give rise to an intramolecular cyclization. The structures of the new gamma-lactam derivatives were determined by using 1H NMR, IR and fast atom bombardment mass spectra. The cyclization mechanism was interpreted on the basis of the identification of the intermediate structure. The poor in vitro antib...

Journal: :The Journal of biological chemistry 1949
H A LARDY G FELDOTT

While it is well known that ruminants (with the aid of rumen microorganisms) can utilize ammonium salts and urea in lieu of dietary protein,” 2 it has long been held that monogastric animals cannot.’ In view of the findings of Foster, Schoenheimer, and Rittenberg3 that dietary ammonium N15 is rapidly incorporated into rat tissue proteins, it seemed possible that the nitrogen of ammonium salts m...

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