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PREFERENTIAL INHIBITION OF THE GROWTH OF VIRUS-TRANSFORMED CELLS IN CULTURE BY RIFAZONE-82, A NEW RIFAMYCIN DERIVATIVE
Rifazone-8{sub 2} (R-8{sub 2}), a new rifamycin derivative, is shown to preferentially inhibit the growth of virus-transformed chick cells in culture. Macromolecular synthesis and glucose uptake of transformed cells are also appreciably decreased in the presence of low concentrations of R-8{sub 2} where the normal cells appear unaffected. While R-8{sub 2} is shown to be a selective inhibitor of RNA-directed DNA polymerase in vitro, its action on the growth of transformed cells may involve some other mechanism.
Date:
March 28, 1974
Creator:
Bissell, Mina J.; Hatie, Carroll; Tischler, Allan N. & Calvin, Melvin.
System:
The UNT Digital Library
Gain of laser fusion pellets
The gain of thermonuclear pellets containing a pusher-tamper of high density high-Z material surrounding the DT fuel is considered. Other significant characteristics of such capsules are briefly mentioned. (MOW)
Date:
October 28, 1974
Creator:
Nuckolls, J. & Pan, Y. L.
System:
The UNT Digital Library
Computer simulations of laser driven implosion of seeded hollow pellets
None
Date:
October 28, 1974
Creator:
Larsen, J. T.
System:
The UNT Digital Library
Plastic flow and strength of uranium and its alloys
The mechanical behavior of uranium and its alloys is reviewed with special emphasis on plastic flow behavior of polycrystalline materials. The strength of uranium is influenced by crystal structure as well as by point, planar, and volume defects; wit these factors in mind, texture hardening, strain hardening, solute hardening, grain and subgrain size hardening, and precipitation and particle hardening are discussed. Temperature and strain rate influence the various strengthening mechanisms in different ways, and these variables are considered whenever possible. Unusual mechanical effects result from the polymorphic nature of uranium and from anisotropic properties of alpha uranium such as thermal expansion and elastic stiffness; their importance on plastic flow is considered. Uranium and its alloys can be made superplastic, and the factors which contribute to such characteristics are discussed. (101 references) (auth)
Date:
January 28, 1974
Creator:
Sherby, O. D.; Bly, D. L. & Wood, D. H.
System:
The UNT Digital Library
Nondestructive evaluation concepts applied to industrial use of acoustic emission
Various nondestructive testing and evaluation concepts as applied to the industrial use of acoustic emission are presented. Emphasis is given to the characteristics of acoustic emission as a quique NDT method for use in the evaluation of the structural integrity of materials, components, and engineering structures. Also included is a brief review of some of the problems pertaining to the introduction of emission techniques to the industrial atmosphere. Several applications of acoustic emission testing are discussed. (auth)
Date:
January 28, 1974
Creator:
Drouillard, T. F.; Liptai, R. G. & Tatro, C. A.
System:
The UNT Digital Library
Two-dimensional simulation of hydrodynamic instability in laser fusion implosions
None
Date:
October 28, 1974
Creator:
Mead, W.C. & Lindl, J.D.
System:
The UNT Digital Library
Laser--plasma calculations with refraction
None
Date:
October 28, 1974
Creator:
Pan, Y.L. & Shay, H.D.
System:
The UNT Digital Library
Status of Graphite Technology and Requirements for HTGRs
None
Date:
February 28, 1974
Creator:
Engle, G. B.; Everett, M. R. & Eatherly, W. P.
System:
The UNT Digital Library
Heating and conduction in laser-produced plasmas
None
Date:
October 28, 1974
Creator:
Shay, H.D.; Zimmerman, G.B. & Nuckolls, J.H.
System:
The UNT Digital Library
Non-Maxwellian ion distributions in compressed laser targets
None
Date:
October 28, 1974
Creator:
Zimmerman, G.B.
System:
The UNT Digital Library
Effects of Rayleigh--Taylor instability on the implosion of laser fusion targets
None
Date:
October 28, 1974
Creator:
Lindl, J. & Mead, B.
System:
The UNT Digital Library
Pellet design for a laser fusion reactor
None
Date:
October 28, 1974
Creator:
Thiessen, A.R. & Nuckolls, J.
System:
The UNT Digital Library
Ray trace laser sources in LASNEX
None
Date:
October 28, 1974
Creator:
Bailey, D. S.
System:
The UNT Digital Library