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  • 1
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    Palaeoecology and Biostratigraphy of Graptolites : Proceedings of the 2nd International Conference of the Graptolite Working Group of the International Palaeontological Association held at Cambridge University, 1-15 September 1981 (1986)
    Oxford, London, Edinburgh, Boston, Palo Alto, Melbourne : Blackwell Scientific Publications
    Details
    Keywords: Graptolithen ; Tonschiefer
    Description / Table of Contents: R. B. Rickards and A. J. Chapman: Preface / Geological Society, London, Special Publications, 20:vii-ix, doi:10.1144/GSL.SP.1986.020.01.01 --- J. Rigby: A critique of graptolite classification, and a revision of the suborders Diplograptina and Monograptina / Geological Society, London, Special Publications, 20:1-12, doi:10.1144/GSL.SP.1986.020.01.02 --- Adam Urbanek and Piotr Mierzejewski: A possible new pattern of cortical deposit in Tremadoc dendroid graptolites from chert nodules / Geological Society, London, Special Publications, 20:13-19, doi:10.1144/GSL.SP.1986.020.01.03 --- Bernd-Dietrich Erdtmann: On the anisograptid affiliation of ‘Dictyonema’ flabelliforme (Eichwald 1840) and its nomenclatural consequences / Geological Society, London, Special Publications, 20:21-25, doi:10.1144/GSL.SP.1986.020.01.04 --- A. C. Lenz and D. E. Jackson: Arenig and Llanvirn graptolite biostratigraphy, Canadian Cordillera / Geological Society, London, Special Publications, 20:27-45, doi:10.1144/GSL.SP.1986.020.01.05 --- Stanley C. Finney and Stig M. Bergström: Biostratigraphy of the Ordovician Nemagraptus gracilis Zone / Geological Society, London, Special Publications, 20:47-59, doi:10.1144/GSL.SP.1986.020.01.06 --- Stig M. Bergström: Biostratigraphic integration of Ordovician graptolite and conodont zones—a regional review / Geological Society, London, Special Publications, 20:61-78, doi:10.1144/GSL.SP.1986.020.01.07 --- N. W. Schleiger: Cluster analysis of isograptid individuals from Bullengarook, Victoria, Australia / Geological Society, London, Special Publications, 20:79-96, doi:10.1144/GSL.SP.1986.020.01.08 --- Nils Spjeldnaes: Astogenetic development of some lower Ordovician graptolites from Norway / Geological Society, London, Special Publications, 20:97-102, doi:10.1144/GSL.SP.1986.020.01.09 --- Stanley C. Finney: Heterochrony, punctuated equilibrium, and graptolite zonal boundaries / Geological Society, London, Special Publications, 20:103-113, doi:10.1144/GSL.SP.1986.020.01.10 --- Jianhua Yu and Yiting Fang: The Ordovician graptolite-bearing strata of Xiushui drainage basin, Jiangxi, southern China and their correlation / Geological Society, London, Special Publications, 20:115-117, doi:10.1144/GSL.SP.1986.020.01.11 --- Charles E. Mitchell: Morphometric studies of Climacograptus (Hall) and the phylogenetic significance of astogeny / Geological Society, London, Special Publications, 20:119-129, doi:10.1144/GSL.SP.1986.020.01.12 --- Li-pu Fu: Graptolite zones of upper Ordovician to middle Silurian age in a continuous section at Ziyang, Shaanxi, China / Geological Society, London, Special Publications, 20:131-134, doi:10.1144/GSL.SP.1986.020.01.13 --- William B.N. Berry: Stratigraphic significance of Glyptograptus persculptus group graptolites in central Nevada, U.S.A. / Geological Society, London, Special Publications, 20:135-143, doi:10.1144/GSL.SP.1986.020.01.14 --- P. Legrand: The lower Silurian graptolites of Oued In Djerane: a study of populations at the Ordovician-Silurian boundary / Geological Society, London, Special Publications, 20:145-153, doi:10.1144/GSL.SP.1986.020.01.15 --- A.M. Obut and N.V. Sennikov: Graptolite zones in the Ordovician and Silurian of the Gorny Altai / Geological Society, London, Special Publications, 20:155-164, doi:10.1144/GSL.SP.1986.020.01.16 --- S. Henry Williams: Top Ordovician and lowest Silurian of Dob’s Linn / Geological Society, London, Special Publications, 20:165-171, doi:10.1144/GSL.SP.1986.020.01.17 --- Shi-cheng Huo and De-gan Shu: The Silurian graptolite-bearing strata in China / Geological Society, London, Special Publications, 20:173-179, doi:10.1144/GSL.SP.1986.020.01.18 --- Merete Bjerreskov: Silurian graptolites from N Greenland / Geological Society, London, Special Publications, 20:181-189, doi:10.1144/GSL.SP.1986.020.01.19 --- Bao Deng: On the morphological characteristics of the spiralis group and the stratigraphic significance of the appearance of Cyrtograptus / Geological Society, London, Special Publications, 20:191-195, doi:10.1144/GSL.SP.1986.020.01.20 --- Shi-cheng Huo, De-gan Shu, and Fu Li-pu: A mathematical study of the Cyrtograptus sakmaricus lineage with discussions of the evolutionary trends in this lineage / Geological Society, London, Special Publications, 20:197-205, doi:10.1144/GSL.SP.1986.020.01.21 --- A. M. Obut and N. M. Zaslavskaya: Families of Retiolitida and their phylogenetic relations / Geological Society, London, Special Publications, 20:207-219, doi:10.1144/GSL.SP.1986.020.01.22 --- D. E. B. Bates and N. H. Kirk: Mode of secretion of graptolite periderm, in normal and retiolite graptolites / Geological Society, London, Special Publications, 20:221-236, doi:10.1144/GSL.SP.1986.020.01.23 --- J. Paškevičius: Assemblages of Silurian graptolites in various facies of the East Baltic region / Geological Society, London, Special Publications, 20:237-245, doi:10.1144/GSL.SP.1986.020.01.24 --- Milena Mihajlović Pavlović: Silurian graptolites from Serbia, Yugoslavia / Geological Society, London, Special Publications, 20:247, doi:10.1144/GSL.SP.1986.020.01.25 --- D. C. Palmer: The monotypic ‘population’ accompanying the lectotype of Saetograptus varians (Wood 1900) / Geological Society, London, Special Publications, 20:249-259, doi:10.1144/GSL.SP.1986.020.01.26 --- P. N. Dilly: Modern pterobranchs: observations on their behaviour and tube building / Geological Society, London, Special Publications, 20:261-269, doi:10.1144/GSL.SP.1986.020.01.27
    Pages: Online-Ressource (IX, 277 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 0632010711
    URL: http://sp.lyellcollection.org/content/20/1
    Language: English
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  • 2
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    Power of the Press (2023)
    Disciples of Christ Historical Society
    Details
    Publication Date: 2024-04-09
    Description: Based on the 1986 Reed Lectures, Power of the Press illustrates the important role that the Gospel Advocate, the Christian Standard, and the Christian-Evangelist played in shaping the identity of all three streams of the Stone-Campbell Movement in the nineteenth and early twentieth century. The essays also offer explanations as to why publishing offered such remarkable influence in this period.
    Keywords: Religion ; thema EDItEUR::Q Philosophy and Religion::QR Religion and beliefs::QRM Christianity::QRMB Christian Churches, denominations, groups
    Language: English
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  • 3
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    Illusions of Innocence (2023)
    Abilene Christian University Press
    Details
    Publication Date: 2023-10-05
    Description: History helps us understand who we are and what we should become. This book demonstrates that primitivism is central to American religion. Primitivism is the dream of restoring religion to a purer order, as found in former times.
    Keywords: Religion ; bic Book Industry Communication::H Humanities::HR Religion & beliefs::HRC Christianity::HRCC Christian Churches & denominations
    Language: English
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  • 4
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    Coming back to life : the permeability of past and present, mortality and immortality, death and life in the ancient Mediterranean (2021)
    McGill University Library & Archives
    Details
    Publication Date: 2024-04-08
    Description: The lines between death and life were neither fixed nor finite to the peoples of the ancient Mediterranean. For most, death was a passageway into a new and uncertain existence, and many perceived the deceased to continue to exercise agency among the living. Even for those more skeptical of an afterlife, notions of
    Keywords: BL1-50 ; DE1-100 ; Antiquities ; Future Life ; Mediterranean Region ; bic Book Industry Communication::H Humanities::HR Religion & beliefs ; thema EDItEUR::Q Philosophy and Religion::QR Religion and beliefs
    Language: English
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  • 5
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    Wide-angle astrometry with the Mark III stellar interferometer (1990)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Astrometric measurements made with the Mark III stellar interferometer on five nights in August-September 1988 yielded average formal 1-sigma errors for 12 FK5 stars of 6 mas in declination and 10 mas in right ascension. This improvement in precision over previously reported measurements with this instrument made in 1986 is attributable to several factors: a second 12 m baseline; oriented E-S, was added to the instrument to improve the determination of right ascension; two-color analysis was included in the data-reduction process, along with a new central-fringe identification algorithm using three spectral channels, in order to reduce atmospheric errors; thermal control was greatly improved; and changes were made to observational procedures and hardware to monitor variations in the delay offset due to residual thermal drifts. Approximately half of the new positions are within 50 mas of their FK5 positions. However, an extended series of measurements are needed to ascertain the accuracy that can be achieved by interferometry.
    Keywords: ASTRONOMY
    Type: Astronomical Journal (ISSN 0004-6256); 100; 1701-171
    Format: text
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  • 6
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    The project EGRET (Energetic Gamma-Ray Experiment Telescope) on NASA's Gamma-Ray Observatory (GRO) (1988)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The design, predicted performance, and scientific objectives of the 20-30,000-MeV gamma-ray telescope EGRET for the NASA GRO spacecraft (scheduled for Space Shuttle launch to a 450-km 28.5-deg orbit in 1990) are reviewed. The other GRO instruments are briefly characterized, including the burst and transient-source experiment, the oriented scintillation spectrometer, and the imaging Compton telescope. EGRET comprises an anticoincidence system, a spark chamber, a triggering telescope, an NaI total-absorption spectrometer, a gas supply capable of refilling the chamber four times, and support electronics. EGRET will operate with energy resolution about 15 percent, effective area about 2000 sq cm, sensitivity about 5 x 10 to the -8th/sq cm sec, angular resolution 0.1-0.4 deg, and FOV about 40 deg FWHM. Observations of Galactic point sources, Galactic and extragalactic diffuse emission, gamma-ray bursts, and solar flares are planned.
    Keywords: ASTRONOMY
    Type: Space Science Reviews (ISSN 0038-6308); 49; 1-2,
    Format: text
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  • 7
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    ROSAT HRI observations of Magellanic Cloud supernova remnants (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Analysis of deep ROSAT high resolution imager (HRI) observations of two oxygen-rich supernova remnants (SNR's) in the Magellanic Clouds is described. For N132D, I exploit the limited spectral information provided by the HRI to investigate arcsecond scale spectral variations. I find that there is a region of harder X-ray emission near the southern limb and regions of softer emission near the center and northwestern limb. The remnant is believed to be interacting with a molecular cloud and the harder emission to the south is explained as a result of increased absorption along the line-of-sight there. I argue that the softer emission comes from X-ray emitting material with an enhanced abundance of oxygen. For the second SNR, E0102.2 72.2, the spatial structure is investigated in detail using two-dimensional image fitting techniques. Evidence is found for a ring-like and a spherically symmetric shell-like component both of which were modeled as homogeneous regions. In addition, a significant fraction of the observed flux (approximately 11 percent) must come from a resolved clumped component. A comparison with optical and radio imagery is made to provide a physical basis for the components identified in the X-ray analysis. The mass of X-ray emitting gas in the remnant is estimated and a value of approximately 75 M(solar mass) was determined. The dominant uncertainty on this quantity is the extent of unresolved clumping in the X-ray gas. Such clumping would tend to reduce the mass estimate by f(exp 1/2), where f is the mean volume filling factor of the gas.
    Keywords: ASTRONOMY
    Type: NASA-CR-199740 , NAS 1.26:199740 , NIPS-95-06221
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  • 8
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    Spectral determinations for discrete sources with EGRET (1990)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The ability of the EGRET (Energetic Gamma-Ray Experimental Telescope) to determine the spectral parameters of point sources in 14-day exposures, as planned for the initial survey phase of the GRO (Gamma Ray Observatory) mission, is explored by numerical simulation. Results are given for both galactic and extragalactic objects as a function of source strength and for representative levels of diffuse background emission.
    Keywords: ASTRONOMY
    Type: NASA, Goddard Space Flight Center, The Energetic Gamma-Ray Experiment Telescope (EGRET) Science Symposium; p 201-213
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  • 9
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    HRMA calibration handbook: EKC gravity compensated XRCF models (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This document, consisting of hardcopy printout of explanatory text, figures, and tables, represents one incarnation of the AXAF high resolution mirror assembly (HRMA) Calibration Handbook. However, as we have envisioned it, the handbook also consists of electronic versions of this hardcopy printout (in the form of postscript files), the individual scripts which produced the various figures and the associated input data, the model raytrace files, and all scripts, parameter files, and input data necessary to generate the raytraces. These data are all available electronically as either ASCII or FITS files. The handbook is intended to be a living document and will be updated as new information and/or fabrication data on the HRMA are obtained, or when the need for additional results are indicated. The SAO Mission Support Team (MST) is developing a high fidelity HRMA model, consisting of analytical and numerical calculations, computer software, and databases of fundamental physical constants, laboratory measurements, configuration data, finite element models, AXAF assembly data, and so on. This model serves as the basis for the simulations presented in the handbook. The 'core' of the model is the raytrace package OSAC, which we have substantially modified and now refer to as SAOsac. One major structural modification to the software has been to utilize the UNIX binary pipe data transport mechanism for passing rays between program modules. This change has made it possible to simulate rays which are distributed randomly over the entrance aperture of the telescope. It has also resulted in a highly efficient system for tracing large numbers of rays. In one application to date (the analysis of VETA-I ring focus data) we have employed 2 x 10(exp 7) rays, a substantial improvement over the limit of 1 x 10(exp 4) rays in the original OSAC module. A second major modification is the manner in which SAOsac incorporates low spatial frequency surface errors into the geometric raytrace. The original OSAC included the ability to use Legendre-Fourier polynomials to describe deviations from the basic optical prescription. To this we have added bicubic splines to address a deficiency in the handling of the sharper deformations in the areas of mirror support pads. SAO has developed software (TRANS-FIT) to translate the most common finite element analysis models into these forms for incorporation into the raytrace program.
    Keywords: ASTRONOMY
    Type: NASA-CR-195818 , NAS 1.26:195818 , SAO-AXAF-DR-94-088-REV , DRD-MA-784-002-REV
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  • 10
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    A search for X-ray polarization in cosmic X-ray sources (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Fifteen strong X-ray sources were observed by the X-ray polarimeters on board the OSO 8 satellite from 1975 to 1978. The final results of this search for X-ray polarization in cosmic sources are presented in the form of upper limits for the 10 sources which have not been discussed elsewhere. These limits in all cases are consistent with a thermal origin for the X-ray emission.
    Keywords: ASTRONOMY
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 280; 255-258
    Format: text
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