Gold-vapor laser: present state of the art, design, and application

1993 ◽  
Author(s):  
Gennadiy S. Evtushenko
Keyword(s):  
Present State ◽  
State Of The Art ◽  
Vapor Laser ◽  
Art Design ◽  
Design And Application

The Present State of the Art

1984 ◽  
Vol 29 (4) ◽  
pp. 344-346
Author(s):  
Peter A. Magaro
Keyword(s):  
Present State ◽  
State Of The Art

scholarly journals Heavy ion driver for fast ignition

2002 ◽  
Vol 20 (4) ◽  
pp. 595-597 ◽  
Author(s):  
D.G. KOSHKAREV
Keyword(s):  
Present State ◽  
State Of The Art ◽  
Heavy Ion ◽  
Fast Ignition ◽  
Gain Factor ◽  
Powerful Laser ◽  
Burning Process ◽  
Actual Design ◽  
Cylindrical Target ◽  
A Performance

Recently the “fast ignition” method in the ICF problem was considered (Caruso & Pais, 1996). It allows increasing a target gain factor and raising reliability of the burning process. Since the required power of the irradiating beam in this method is unattainable for the traditional type of heavy ion driver with the energy of ions ≤10 GeV, the powerful laser is considered as a possible driver only. Here we investigate the fast ignition method for a system constituted from the directly irradiated cylindrical target and a powerful heavy ion driver of the charge-symmetric type (Koshkarev, 1993) in which the ions with energy ≈100 GeV and mass ≈200 are used. The actual design of a powerful heavy ion driver with the required characteristics is outside the purpose of this article. However some consideration will be given to exploring whether such a performance is within the realm of reasonable extrapolations of the present state of the art.

History of Mathematics in the Islamic World: The Present State of the Art

1985 ◽  
Vol 19 (1) ◽  
pp. 9-33 ◽  
Author(s):  
J. L. Berggren
Keyword(s):  
Present State ◽  
State Of The Art ◽  
History Of Mathematics ◽  
Islamic Culture ◽  
Islamic World ◽  
History Of ◽  
The Subject ◽  
Mathematical Sciences ◽  
Islamic Mathematics

In Recent Years, many discoveries in the history of Islamic mathematics have not been reported outside the specialist literature, even though they raise issues of interest to a larger audience. Thus, our aim in writing this survey is to provide to scholars of Islamic culture an account of the major themes and discoveries of the last decade of research on the history of mathematics in the Islamic world. However, the subject of mathematics comprised much more than what a modern mathematician might think of as belonging to mathematics, so our survey is an overview of what may best be called the “mathematical sciences” in Islam; that is, in addition to such topics as arithmetic, algebra, and geometry we will also be interested in mechanics, optics, and mathematical instruments.

scholarly journals Solar quadrupole moment from planetary ephemerides: present state of the art

2006 ◽  
Vol 2 (14) ◽  
pp. 473-473
Author(s):  
Sophie Pireaux ◽  
E. Myles Standish ◽  
Elena V. Pitjeva ◽  
Jean-Pierre Rozelot
Keyword(s):  
Quadrupole Moment ◽  
Present State ◽  
State Of The Art

AbstractWe discuss the present state of the art of the solar quadrupole moment from planetary ephemerides.

Present State-of-the-Art of Transmission Line Icing

1982 ◽  
Vol PAS-101 (8) ◽  
pp. 2443-2450 ◽  
Author(s):  
Joe Pohlman ◽  
Phillip Landers
Keyword(s):  
Transmission Line ◽  
Present State ◽  
State Of The Art

Some Possible Lines of Development in Aircraft Engines

1921 ◽  
Vol 25 (123) ◽  
pp. 130-165
Keyword(s):  
Present State ◽  
State Of The Art ◽  
Point Of View ◽  
Aircraft Engines ◽  
Aero Engine ◽  
The Ideal

In the following paper the writer's aim is to indicate certain possible lines of development and research which his own investigations and preliminary experiments have shown to be at least worthy of serious consideration.If we review the present state of the art we find the position to be substantially as follows :—From a thermodynamic point of view the performance of the modern aero engine has approached so nearly to the ideal obtainable from the cycle on which it operates that there is little scope for improvement.

scholarly journals Concepts and new perspectives for long span bridges

2016 ◽  
Vol 5 (1) ◽  
pp. 75-97
Author(s):  
Fabio Brancaleoni
Keyword(s):  
Conceptual Design ◽  
Present State ◽  
Critical Parameter ◽  
State Of The Art ◽  
Span Length ◽  
Factors Affecting ◽  
Long Span Bridges ◽  
Future Developments ◽  
Long Span ◽  
The Subject

AbstractA discussion of the dominant factors affecting the behaviour of long span cable supported bridges is the subject of this paper. The main issue is the evolution of properties and response of the bridge with the size of the structure, represented by the critical parameter of span length, showing how this affects the conceptual design. After a review of the present state of the art, perspectives for future developments are discussed.

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