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  • ASTROPHYSICS  (3)
  • EARTH RESOURCES AND REMOTE SENSING  (3)
  • Blood Flow Velocity  (1)
  • 1980-1984  (6)
  • 1975-1979  (1)
  • 1
    Publication Date: 1982-10-22
    Description: Direct measurements of capillary transit times in dog lungs were made by using in vivo television microscopy. Mean transit times were unexpectedly long. As pulmonary artery pressures were raised, transit times decreased, suggesting that the normally existing hydrostatic pressure gradient in the lung causes a vertical distribution of transit times. The more rapid transit times approached the minimum time required for complete oxygenation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wagner, W W Jr -- Latham, L P -- Gillespie, M N -- Guenther, J P -- Capen, R L -- HL-07171/HL/NHLBI NIH HHS/ -- HL-14985/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1982 Oct 22;218(4570):379-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123237" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anoxia/physiopathology ; Blood Flow Velocity ; Blood Pressure ; Capillaries ; Dogs ; Lung/*blood supply ; Microscopy/methods ; Rheology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E80-10278 , NASA-CR-163344 , INTERNAL-TM-3/80
    Format: application/pdf
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  • 3
    Publication Date: 2019-06-27
    Description: Recent results from the Apollo Seismic Network suggest that primitive differentiation occurred in the outer shell of the moon to a depth of approximately 300 km and the central region of the moon is presently molten to a radius of between 200 and 300 km. If early melting to a depth of 300 to 400 km was a consequence of accretional energy, very short accretion times are required. It was shown that the best model for the zone of original differentiation is a crust 40 to 80 km thick, ranging in composition from anorthositic gabbro to gabbro, and overlying an ultramafic cumulate about 250 km thick. The best candidate for the molten core appears to be iron or iron sulphide. A new class of seismic signals recently were identified that may correspond to shallow moonquakes. These are rare, but much more energetic than the more numerous, deep moonquakes.
    Keywords: ASTROPHYSICS
    Type: CONTRIB-44 , NASA, Washington The Soviet-Am. Conf. on Cosmochem. of the Moon and Planets, pt. 1; p 389-401
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  • 4
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    In:  Other Sources
    Publication Date: 2019-06-28
    Description: Major advances in the art of redshift measurements have improved the obtainable accuracy to better than 30 km/s. It is now posible to obtain a redshift for almost any galaxy brighter than 15th magnitude on a 60-inch telescope in 60 minutes or less. These advances were utilized in an observation program initiated in the spring of 1978. This program represents a survey of radial velocities for all 2400 galaxies brighter than 14.5 at high galactic latitude in the northern hemisphere. The obtained data set has been employed as a basis for a derivation of a good measure of the local mean mass density. In addition, information was obtained concerning the overdensity and the dynamics of the local supercluster, and an analysis was conducted of the dynamics of groups and clusters of galaxies within the sample volume.
    Keywords: ASTROPHYSICS
    Format: text
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  • 5
    Publication Date: 2019-07-20
    Description: Of the Nearly 1000 standard infrared photographic images received, 273 images were on computer compatible tape. It proved necessary to digitally enhance the scene contrast to cover only a select few degrees K over the photographic grey scale appropriate to the scene-specific range of sea surface temperature (SST). Some 178 images were so enhanced. Comparison with sea truth show that SST, as seen by satellite, provides a good guide to the ocean currents and eddies off East Australia, both in summer and winter. This is in contrast, particularly in summer, to SST mapped by surface survey, which usually lacks the necessary spatial resolution.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E82-10324 , NASA-CR-168903 , NAS 1.26:168903 , RANRL-1/82 , AR-002-695
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  • 6
    Publication Date: 2019-07-20
    Description: The Tasman Front was delineated by airborne expendable bathythermograph survey; and an Heat Capacity Mapping Mission (HCMM) IR image on the same day shows the same principal features as determined from ground-truth. It is clear that digital enhancement of HCMM images is necessary to map ocean surface temperatures and when done, the Tasman Front and other oceanographic features can be mapped by this method, even through considerable scattered cloud cover.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E81-10043 , NASA-CR-163753
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  • 7
    Publication Date: 2019-06-28
    Description: The measurement of 83 new redshifts from galaxies in the region of seven of the poor clusters of galaxies identified by Morgan et al (1975) and Albert et al (1977) has been followed by an estimation of cluster masses through the application of both the virial theorem and the projected mas method. For each system, these two estimates are consistent. For the two clusters with highest X-ray luminosities, the line-of-sight velocity dispersions are about 700 km/sec, while for the five other clusters, the dispersions are of the order of less than about 370 km/sec. The D or cD galaxy in each poor cluster is at the kinematic center of each system.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 283; 33-49
    Format: text
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