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EXTRATERRESTRIAL LIFE: SOME ORGANIC CONSTITUENTS OF METEORITES ANDTHEIR SIGNIFICANCE FOR POSSIBLE EXTRATERRESTRIAL BIOLOGICALEVOLUTION

Description: In order to decide the value and type of information to be obtained from outer space with regard to its pertinence for the evolution of life, a brief review is presented of the current status of our thinking on the origin of life on earth. This points up the particular kinds of chemicals whose presence, or absence, on other astral bodies might be significant. Heretofore, the only data available are the result of telescopic spectroscopy. We report here information indicating the presence in mete… more
Date: December 7, 1959
Creator: Calvin, Melvin & Vaughn, Susan K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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ELECTRICAL PROPERTIES OF ORGANIC SOLIDS. I. KINETICS AND MECHANISMOF CONDUCTIVITY OF METAL-FREE PHTHALOCYANINE

Description: Techniques involving the use of high-intensity short-duration light pulses have been applied t o the study of the kinetics of photoconductivity in films of metal-free phthalocyanine. These experiments, in conjunction with measurements of steady-state photoconductivity, are consistent with the following scheme. The principal route for the formation of charge carriers is via the first excited singlet state, although the lowest triplet state can, t o some extent, contribute to charge - carrier pro… more
Date: July 29, 1959
Creator: Tollin, Gordon; Kearns, David R. & Calvin, Melvin.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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PHASE SHIFTS IN pi+ -p SCATTERING AT 310 Mev

Description: In an experimental program recently completed at the 184-inch synchrocyclotron in Berkeley, data were obtained on elastic {pi}{sup +}-p scattering at a laboratory energy of 310 Mev. Quantities measured were the differential cross section, the total cross section, and the polarization of the recoil protons as a function of center-of-mass angle. We have analyzed the data in terms of S, P, and D waves and have obtained only one acceptable solution. The resultant set of phase shifts is of the Fermi… more
Date: November 18, 1959
Creator: Foote, James H.; Chamberlain, Owen; Rogers, Ernest H.; Steiner,Herbert M.; Wiegand, Clyde & Ypsilantis, Tom
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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ELECTRICAL PROPERTIES OF ORGANIC SOLIDS. II: EFFECTS OF ADDEDELECTRON ACCEPTOR ON METAL-FREE PHTHALOCYANINE

Description: The addition of ortho-chloranil to the surface of films of metal-free phthalocyanine has been found (a) to increase the dark conductivity of such films by as much as 10{sup 7}, (b) to increase the steady-state photoconductivity by as much as 10{sup 5}, and (c) to result in the formation of unpaired electrons whose concentration decreases reversibly as a result of illumination. These systems exhibit a light-induced polarization, the phthalocyanine layer becoming more positive with respect t o th… more
Date: July 29, 1959
Creator: Kearns, David R.; Tollin, Gordon & Calvin, Melvin
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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CARBOXYLATIONS AND DECARBOXYLATIONS

Description: A brief survey of decarboxylation reactions and carboxylation reactions that are known or presumed in biological systems will be presented. While a considerable number of amino acid decarboxylations are known, their mechanisms will not be included in the present discussion but will be reserved for a later paper in the symposium. The remaining decarboxylation reactions may be subdivided into oxidative and nonoxidative decarboxylations. In most cases, these reactions are practically irreversible … more
Date: April 21, 1959
Creator: Calvin, Melvin & Pon, Ning G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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General Instructions for Recovery of Radioactive Contaminated Equipment

Description: Abstract: This document outlines the essentials of the planning and action necessary for the recovery of radioactive contaminated equipment following a radiological disaster. It lists the records which should be collected before a disaster and discusses the training of personnel for recovery teams. Radiation doses, radiation indicators, and protective clothing are all treated in a general fashion. Procedures are given for the actual recovery of equipment, with emphasis on personnel safety. Deco… more
Date: 1959?
Creator: Sandia Corporation
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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High-Frequency Titration as Applied to the Determination of Thorium, Uranium, Sulfate, and Free Acid. Parts 1-51

Description: The technique of high-frequency titrimetry was applied to the determination of thorium, uranium, sulfate, and free acid. In Part I, the reproducibility of the method for the titration of standard solutions that contained 50 rag of thorium in the absence of interferences is established. Under these conditions, the coefficient of variation of the method was <1%. In Part II, the effect of uranium on the highfrequency titration of thorium, as well as the application of the method to actual samples,… more
Date: May 11, 1959
Creator: Menis, O
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Chemical Technology Division, Unit Operations Section Monthly Progress Report for June 1959

Description: The addition of a surface active agent to an aqueousorganic interface produced a resistance to mass transfer equivalent to slightly more than 1 cm of water. Five semicontinuous Druhm runs were made with 1/2-in. thick MgO liners and terminated due to either failures of the UF/sub 6/ nozzle or a top gasket leak. In preliminary scale-up tests of the flame calcination equipment, a maximum feed rate equivalent to 720 g oxides/hr was achieved using a 3-in. i.d. magnesia reflector with an outside wall… more
Date: September 1, 1959
Creator: Bresee, J. C.; Haas, P. A.; Watson, C. D.; Whatley, M. E. & Horton, R. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

COUPLED TRANSMISSION LINES

Description: >Tests on a coupled transmission line resonator show that a fairly accurate value of the coupling coefficient can be predicted by considering line geometry. The measured values of V/sub 02/ and I/sub 02/ appear to agree with predicted values. Development of a resonator for ORIC with two coupled transmission lines is under way. (W.L.H.)
Date: June 1, 1959
Creator: Warsham, R E & Mosko, S W
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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ORBIT DYNAMICS IN THE SPIRAL-RIDGED CYCLOTRON

Description: Formulas are derived for the equilibrium orbit, isochronous condition, vertical and horizontal betatron frequencies, and for the effects of the 3/3 radial resonance in a three-fold geometry. The magnetic field is represented by a Fourier series in azimuth with amplitudes expanded in a Taylor series about the reference radius. The form is such that the various parameters may be deduced from an arbitrary set of field measurements in the median plane and the results obtained by direct substitution… more
Date: January 12, 1959
Creator: Smith, Lloyd & Garren, Alper A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Nuclear Spins and Magnetic Moments of Certain Gold and Silver Isotopes

Description: An atomic-beam magnetic-resonance apparatus operating on the flop-in principle was used to measure the nuclear spins and hyperfine-structure separations of the /sup 2/S/sub 1/2, electronic ground state for several radioactive isotopes of silver and gold. The results of these experiments, together with calculated values of the nuclear magnetic-dipole moments, are given (auth)
Date: June 1, 1959
Creator: Ewbank, W. B.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
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THEORETICAL STUDY OF SINGLE-TRANSFER LINE CONCATENATED PULSE DOLUMN SYSTEMS

Description: Calculations indicate that single-transfer line concatenated pulse column systems can be operated with static pressures that are not excessive if a sufficient number of vessels are employed in the system. The required number of vessels can be attained by using a series of short columns or by using holdup pots in conjunction with a limited number of columns. General equations for calculating pressure drops and power requirements are presented. (auth)
Date: June 19, 1959
Creator: Johnson, H F
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

PRELIMINARY REPORT ON 2% U$sup 235$-ENRICHED UF$sub 4$-C$sub 25$H$sub 52$ CRITICAL ASSEMBLIES

Description: A series of critical experiments with blocks of 2% U/sup 235/--enriched UF/sub 4/-C/sub 25/sub 5/H/sub 52/ was initiated at the ORN L Critical Experiments Facility. Thus far assemblies with H:U/sup 235/ atomic ratios of 195 and 294 were built in parallelepipedal and simulated cylindrical geometries, both reflected and unreflected. From the results the minimum critical masses for reflected spheres were determined to be 16.3 and 8.5 kg of U/sup 235/ for fuel mixtures with H:U atomic ratios of 195… more
Date: April 22, 1959
Creator: Mihalczo, J T; Lynn, J J; Scott, D & Connolly, W C
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Effects of Indoleacetic Acid and Kinetin on the Growth of Some Microorganisms

Description: Data are presented from a study of the effects of indoleacetic acid and kinetin on the growth of Amoeba proteus, Escherichia coli, and two species of yeast. Data are tabulated and reaction mechanisms are discussed. 95 references. (C.H.)
Date: March 31, 1959
Creator: Kennell, D.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
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Scattering of K<sup>+</sup> Mesons Off Protons

Description: The total K/sup +/-p cross section was measured at the three K/sup +/- meson energies 175 er inch per 25, 225 er inch per 25, and 275 er inch per 25 Mev and the differential scattering cross section was measured at 225 Mev. The K/sup +/-p nuclear force was shown to be repulsive from the observed constructive interference with Coulomb scattering. The differential c=oss section was otherwise isotropic and could arise from either pure S-wave or pure P- wave scattering. Subtracted dispersion relati… more
Date: May 14, 1959
Creator: Kycia, Thaddeus F.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
open access

Sizes of U. S. Steam-Electric Plants

Description: At the present time, plants in the 100 to 500 Mw size range are more numerous and carry the greatest portion (over 50%) of the total steam-electric plant load in the US utillties industry. The contribution of plants of over 1,000-Mw capacity is increasing more rapidly than any other size classification and at present represents about 10% of the total capacity. By 1962 the TVA will have six plants with capacities of over 1,000-Mw. The largest steam-electric plant in the US is the TVA plant at Ki… more
Date: May 26, 1959
Creator: Robertson, R. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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