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Titlebook: 15N-NMR Spectroscopy; Gérard J. Martin,Maryvonne L. Martin,Jean-Paul Gou Conference proceedings 1981 Springer-Verlag Berlin Heidelberg 198

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期刊全稱15N-NMR Spectroscopy
影響因子2023Gérard J. Martin,Maryvonne L. Martin,Jean-Paul Gou
視頻videohttp://file.papertrans.cn/101/100339/100339.mp4
學(xué)科分類NMR Basic Principles and Progress
圖書封面Titlebook: 15N-NMR Spectroscopy;  Gérard J. Martin,Maryvonne L. Martin,Jean-Paul Gou Conference proceedings 1981 Springer-Verlag Berlin Heidelberg 198
影響因子After the proton and carbon, nitrogen is, with oxygen, the most impor- tant atom in organic and especially bioorganic molecules. However, the development of nitrogen spectroscopy is indeed very recent. This is due to the fact that nitrogen-14, which is the naturally abundant iso- tope, suffers, for structural studies, from the disadvantages inherent in nuclei with a quadrupolar moment (Table 1.1). Actually, indirect 15N measurements were reported in the early days of double resonance spectroscopy and the first direct detection of 15N resonance signals at the natural abundance level was realized in 1964 (R 17) at 4.33 MHz 1 (~ 1T) using a 15 mm o.d. cell in the field sweep mode (~ 0.16 min- ). Signal-to-noise ratios only of 3-4 were obtained for neat liquids and this low sensitivity of the 15N resonance still remains the main dis- advantage for 15 spectroscopy (Table 1.1). However, nitrogen-15 has, N probably more than any other nucleus, benefited from the advances of NMR technology, i.e. Fourier transformation, multinuclear facilities, wide-bore super conducting solenoids, and, with the new generation of spectrometers, 15N-NMR is entering the field of routine investigation. Neverth
Pindex Conference proceedings 1981
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Front Matter years occur in the first month of life, most in the first week. Countries making the least progress in reducing infant mortality rates are generally those experiencing high rates of HIV/AIDS, economic hardship or conflict. Disease incidence could be reduced by improved water and sanitation supply.
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Experimental Techniques in 15N Spectroscopy,or diagnosis. History, observation, clinical examination, and laboratory investigations are essential elements for diagnosis, which need to be used before radiology investigations are initiated. The idea of this book is based on a simple principle: it is to link radiology to these basic medical tool
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15N Chemical Shifts,methods of closed and open treatment, and indi- cations. In the process, an attempt is made to trace progress in the field from its beginnings to the present time. Many authors describe the diagnosis and treatment of congenital hip dysplasia and dislocation in terms of specific age groups. We believe it is mo978-3-642-71040-7978-3-642-71038-4
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Application of 15N Spectroscopy to the Study of Dynamic Processes and Reaction Mechanisms,, ribs, scapulae, and cervical spine are the next most common sites. They are less frequently encountered in short tubular bones of the hands and feet and rarely in flat bones. The involved bone is usually short, especially the distal ulna. Phalangeal osteochondroma was reported to be a cause of tri
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Back Matterl be particularly helpful?for older children?and adults?with congenital heart disease in assessing the late impact of a congenital heart malformation and the surgical repair or palliation which may have been undertaken years previously. ..The time is definitely right for a comprehensive presentation
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