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Author: Merle Antony Tuve
Publisher:
ISBN: 9780872796416
Category : Hydrogène interstellaire
Languages : en
Pages : 178
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Book Description
Author: Merle Antony Tuve
Publisher:
ISBN: 9780872796416
Category : Hydrogène interstellaire
Languages : en
Pages : 178
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Book Description
Author: Merle A. Tuve
Publisher:
ISBN: 9780608101651
Category :
Languages : en
Pages : 188
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Book Description
Author: W. Becker
Publisher: Springer Science & Business Media
ISBN: 9401032750
Category : Science
Languages : en
Pages : 473
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Book Description
The idea of the organization of a Symposium on Spiral Structure came at a special meeting of Commission 33 on Spiral Structure during the 12th General Assembly of the IAU in Prague, 1967. So much interest was shown during this meeting that one of us proposed a special Symposium on the 'Spiral Structure of Our Galaxy' for 1969. The response was immediate and it was finally agreed upon holding the Symposium in Basel, a center of galactic research in the center of Europe. During the next months a special 'List of Problems', related to this Symposium, was sent to many prospective participants by the president of Commission 33. This stimulated an increase of interest in problems of galactic spiral structure and a con centrated effort on some problems. The organizing Committee of the Symposium was composed of Drs. L. Woltjer (president), W. Becker, A. Blaauw, B. J. Bok, G. Contopoulos, F. J. Kerr, C. C. Lin, S. W. McCuskey and S. B. Pikel'ner. Most of the work for the organization of the Symposium was carried by Dr. L. W oltjer. The Local Committee, composed of Drs. W. Becker, U. W. Steinlin, R. P. Fenkart, and G. A. Tammann, made every effort to secure the success of the Symposium. Most of the credit goes to Dr. Steinlin. The Symposium was supported financially by the IAU and by the Swiss National Science Foundation. The meetings took place at the University of Basel, which provided also secretarial help and many other facilities.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1070
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Book Description
Author: S. Böhme
Publisher: Springer Science & Business Media
ISBN: 366212307X
Category : Science
Languages : en
Pages : 869
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Book Description
Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, com pared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. Volume 18 contains literature published in 1976 and received before March 1, 1977; some older liter ature which was received late and which is not recorded in earlier volumes is also included.
Author: F.J. Kerr
Publisher: Springer Science & Business Media
ISBN: 9789027705013
Category : Science
Languages : en
Pages : 678
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Book Description
'Galactic Radio Astronomy' was chosen as the subject of this Symposium, which was held in conjunction with the IAU General Assembly that took place in Sydney in August 1973, largely because it is a very suitable Southern Hemisphere topic. This results in part from the advantages of a southern location in studying the Galaxy and in part from the long association of Australia with radio astronomy. Following the General Assembly, the Symposium was held at the Surf air Inter national Hotel in Maroochydore, Queensland, from 3 to 7 September, 1973. The conference participants were effectively isolated from the rest of the world during the Symposium, and the excellent spring weather and geographical situation led to the development of an unusually good rapport. The Symposium was sponsored by Commissions 40, 33, and 34. The Organizing Committee was composed of A. H. Barrett (chairman), J. E. Baldwin, D. S. Heeschen, F. J. Kerr, J. Lequeux, S. W. McCuskey, P. G. Mezger, B. Y. Mills, Yu. N. Parijskij, B. J. Robinson, H. van der Laan, and H. F. Weaver. The Local Committee, consisting ofB. J. Robinson, N. G. Seddon, and P. J. Kelly, looked after the arrangements in very fine style. The Symposium was supported financially by the IAU, the Australian Academy o~ Science, the CSIRO Division of Radiophysics, Union Carbide Australia Limited, and the Science Foundation for Physics within the University of Sydney.
Author: Carnegie Institution of Washington. Department of Terrestrial Magnetism
Publisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 538
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Book Description
Author: Derek McNally
Publisher: Springer Science & Business Media
ISBN: 9400909772
Category : Science
Languages : en
Pages : 663
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Book Description
It is the customary practice to report the major events of a General Assembly -the Invited Discourses, Joint Discussions and Joint Commission Meetings in Highlights of Astronomy. Vol. 8 reports the highlights of the XXth General Assembly of the International Astronomical Union, 1988 August 2-11, Baltimore, USA. The present volume contains the 3 Invited Discourses and papers presented at 7 Joint Discussion Meetings and 6 Joint Commission Meetings. Two Joint Commission Meetings will be reported elsewhere -JCM5 Spectroscopy of Individual Stars in Globular Clusters and the Early Chemical Evolution of our Galaxy (in summary only here, published by the Imprimerie de l'Observatoire de Paris) and JCM7 Star Clusters in the Magellanic Clouds (see Transactions of the IAU, Vol.XXB, report of Commission 37). I am most grateful to the authors of the invited discourses R.M. West and V.I. Moroz, M. Schmidt and M. Rees for sending me the manuscripts so promptly. I am also indebted to the Chairmen of the Joint Discussion and Joint Commission Meetings for their organisation of the meetings and for the assembly of their material for publication. Unfortunately the deadline for receipt of manuscripts coincided with an extended postal strike in France which seriously hindered the preparation of the volume for publication.
Author: Carl Heiles
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 214
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 115
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Book Description
Boundary layer transition and turbulence have been described as being comprised of smaller structures called turbulent spots. Many researchers have obtained ensemble averaged velocity measurements in the transition region and some attempts have been made to obtain instantaneous information. Ensemble averaging can predict the overall scales of the flow field but it fails to yield information on the flow physics of the substructures within the spot. To facilitate investigation of these flow features and to establish the spot's relationship with transition or turbulence, an experimental method to obtain instantaneous full velocity profiles has been developed. The qualitative hydrogen bubble technique of flow visualization has been augmented to yield quantitative unsteady boundary layer information. The technique has been advanced by incorporating digital image processing of videotaped boundary layer flow. The method was verified by direct comparison with a laser Doppler anemometer and an analytical uncertainty analysis was performed. The technique compared well against the LDA, in both steady and unsteady flows. Recommendations were made for effective use of this technique and for further development.
