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| Author | : David Atlas |
| Publisher | : |
| Total Pages | : 30 |
| Release | : 1964 |
| Genre | : Backscattering |
| ISBN | : |
| Author | : David Atlas |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1964 |
| Genre | : Backscattering |
| ISBN | : |
| Author | : Kendrick N. Hemmenway |
| Publisher | : |
| Total Pages | : 14 |
| Release | : 1965 |
| Genre | : Precious stones, Artificial |
| ISBN | : |
| Author | : Denis M. Coffey |
| Publisher | : |
| Total Pages | : 38 |
| Release | : 1965 |
| Genre | : Electron distribution |
| ISBN | : |
An analysis of a microwave impedance method for measuring electron density and effective electron collision frequency in a plasma column is reviewed. It is evident from laboratory observations that surface polarization effects may be present in the impedance method. Such a consideration alters the form of the usual expression for the complex dielectric constant of an ionized gas. (Author).
| Author | : E. Folke Bolinder |
| Publisher | : |
| Total Pages | : 34 |
| Release | : 1965 |
| Genre | : Electric circuits |
| ISBN | : |
A discussion of a recent significant advance in network synthesis theory is presented. This 'breakthrough' was accomplished by D. Hazony of the Case Institute of Technology and by D. C. Youla of the Polytechnic Institute of Brooklyn, who independently of each other developed methods for unifying the theory of two-port cascade synthesis. Both methods are based on Richards' theorem, and both introduce the gyrator artificually. Different methods of proof are used, however. A valuable 'cookbook recipe' was developed by Youla. Hazony managed to extend the method to n-ports. In all, this epoch-making achievement has resulted in an important, simple, and beautiful method of network synthesis. (Author).
| Author | : Stephen J. Kahne |
| Publisher | : |
| Total Pages | : 30 |
| Release | : 1965 |
| Genre | : Control theory |
| ISBN | : |
The application of Bellman's dynamic programming technique to realistic control problems has generally been precluded by excessive storage requirements inherent in the method. In this paper, the notion of state mobility is described and shown to be valuable in reducing certain classes of dynamic programming calculations to manageable size. The scheme requires one simple calculation at each stage of the process. IN many cases even this calculation may be omitted. It results in the reduction of the range of allowable state variables to be scanned. The amount of reduction varies from problem to problem. A simple example exhibits a fifty percent reduction. This corresponds to a fifty percent reduction in storage requirements for the problem. Reductions of one or two orders of magnitude appear possible for certain classes of problems.
| Author | : Y. Tanaka |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 1964 |
| Genre | : Absorption spectra |
| ISBN | : |
Five systems of absorption bands of N2, were investigated in the 1070-1600-A region. A 2-m ad a 3-m vacuum spectrograph, both of normalincidence-type, were used in this work. A final designation of the upper electronic state must come from a rotational analysis, because the observed T00 of the state differed from that of the W state by approximately 40 cm( -1). The potential enejgy curves of the low-lying N2 states prepared by Mulliken are compared with those calculated by using the presently determined constants. (Author).
| Author | : M. Ogawa |
| Publisher | : |
| Total Pages | : 26 |
| Release | : 1964 |
| Genre | : Absorption spectra |
| ISBN | : |
The vibrational isotope shift of the nitrogen absorption bands has been studied in the 830-1000 angstrom region. A 3-meter normalincidence vacuum spectrograph was used with the helium continuum as background. (Author).
| Author | : Marvin L. White |
| Publisher | : |
| Total Pages | : 22 |
| Release | : 1965 |
| Genre | : Magnetohydrodynamic instabilities |
| ISBN | : |
| Author | : Tapan K. Mukherjee |
| Publisher | : |
| Total Pages | : 14 |
| Release | : 1965 |
| Genre | : Chemistry, Organic |
| ISBN | : |
This paper explains the differences and the reasons for the differences which exist between the theory of the zone-transport system of continuous zone refining as presented by W. G. Pfann and T. Abe. The identity between the mathematical model used to describe the zone-transport system and one of the models used to describe the recently reported matter-transport system is noted. Nondimensional equations for the zone-transport system are presented and the difference between the limit of alpha in the zone-void and zonetransport systems, when L sub e = 0, is correlated. (Author).
