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Office of Scientific & Technical Information Technical Reports
472
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35
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9
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7
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4
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3
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Summary of All Reported Accidents in Rural Areas of Texas for {{{month}}} 1991 UNT-0013-0287
Monthly report providing tabular statistical information about motor vehicle accidents in rural areas of Texas during 1991, with data broken out by various criteria including number of persons, locations, types of accidents, time of day, and other factors.
Date:
May 20, 1991
Creator:
Texas. Department of Public Safety. Statistical Services.
Object Type:
Report
System:
The Portal to Texas History
Summary of All Reported Accidents in the State of Texas for April 1991
Monthly report providing tabular statistical information about motor vehicle accidents in Texas during 1991, with data broken out by various criteria including number of persons, locations, types of accidents, time of day, and other factors.
Date:
May 20, 1991
Creator:
Texas. Department of Public Safety. Statistical Services.
Object Type:
Report
System:
The Portal to Texas History
The Water Source, May 1991
Quarterly newsletter of the Edwards Underground Water District discussing news and activities of the organization as well as other information related to water in southern Texas.
Date:
May 1991
Creator:
Edwards Underground Water District (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Refinement of the Hamilton-Jacobi solution using a second canonical transformation
Two canonical transformations are implemented to find approximate invariant surface for a nonlinear, time-periodic Hamiltonian. The first transformation is found from the non-perturbative, iterative solution of the Hamilton-Jacobi equation. The residual angle dependence remaining after performing the transformation is mostly eliminated by a second, perturbative transformation. This refinement can improve the accuracy, or the speed, of the invariant surface calculation. The motion of a single particle in one transverse dimension is studied in a storage ring example where strong sextupole magnets are the source of nonlinearity. The refined transformation to action-angle variables, and the corresponding invariant surface, can attain accuracy similar to that of a good non-perturbative transformation in half the computation time. 3 refs., 2 figs., 1 tab.
Date:
May 1, 1991
Creator:
Gabella, W. E.; Ruth, R. D. & Warnock, R. L.
Object Type:
Article
System:
The UNT Digital Library
SSC collider dipole magnet end mechanical design
This paper describes the mechanical design of the ends of Superconducting Super Collider dipole magnets to be constructed and tested at Fermilab. Coil end clamps, end yoke configuration, and end plate design are discussed. Loading of the end plate by axial Lorentz forces is discussed. Relevant data from 40 mm and 50 mm aperture model dipole magnets built and tested at Fermilab are presented. In particular, the apparent influence of end clamp design on the quench behavior of model SSC dipoles is described. 8 refs., 3 figs.
Date:
May 1, 1991
Creator:
Delchamps, S. W.; Bossert, R. C.; Carson, J.; Ewald, K.; Fulton, H.; Kerby, J. et al.
Object Type:
Article
System:
The UNT Digital Library
Symplectic full-turn maps in a Fourier representation
We have developed a method that uses an arbitrary symplectic tracking code to generate an exactly symplectic full-turn or multi-turn map. The map is obtained from a generating function, which is a finite Fourier series in the final angle coordinates, the Fourier coefficients being represented as a B-spline series in the initial action coordinates. We achieve fast iteration of this implicitly defined map, and good accuracy. As a first application, we treat a simplified model of arcs of the SSC. 5 refs., 1 fig.
Date:
May 1, 1991
Creator:
Berg, J. S. & Warnock, R. L.
Object Type:
Article
System:
The UNT Digital Library
Intensive Survey of Chambers Creek Segment 0814: August 30 - September 1, 1989
Survey report documenting the findings in the waters of Chambers Creek from August 30 to September 1, 1989.
Date:
May 1991
Creator:
Petrick, David
Object Type:
Report
System:
The Portal to Texas History
FCC Record, Volume 6, No. 11, Pages 2787 to 3258, May 20 - May 31, 1991
Biweekly, comprehensive compilation of decisions, reports, public notices, and other documents of the U.S. Federal Communications Commission.
Date:
May 1991
Creator:
United States. Federal Communications Commission.
Object Type:
Book
System:
The UNT Digital Library
FCC Record, Volume 6, No. 10, Pages 2454 to 2786, May 6 - May 17, 1991
Biweekly, comprehensive compilation of decisions, reports, public notices, and other documents of the U.S. Federal Communications Commission.
Date:
May 1991
Creator:
United States. Federal Communications Commission.
Object Type:
Book
System:
The UNT Digital Library
FCC Record, Volume 6, No. 9, Pages 2151 to 2453, April 22 - May 3, 1991
Biweekly, comprehensive compilation of decisions, reports, public notices, and other documents of the U.S. Federal Communications Commission.
Date:
May 1991
Creator:
United States. Federal Communications Commission.
Object Type:
Book
System:
The UNT Digital Library
Achieve!, May 31 1991
Periodic newsletter discussing information related to student drop-out rates, relevant legislative issues, and prevention programs. This issue focuses on barriers to participation in school reform.
Date:
May 31, 1991
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History