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  • ASTROPHYSICS  (418)
  • Chemical Engineering  (249)
  • Life and Medical Sciences  (170)
  • Animals
  • Humans
  • Lunar and Planetary Science and Exploration
  • 1975-1979  (1,097)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Genetically determined sex-reversal in 46,XY humans (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-10-06
    Description: Evidence is presented for the existence of a gene, probably on the X chromosome, which prevents testis differentiation when present in 46,XY human embryos. Affected 46,XY women are not completely normal because of premature ovarian involution, as a result of which they have "streak gonads" similiar to those of 45,X women.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉German, J -- Simpson, J L -- Chaganti, R S -- Summitt, R L -- Reid, L B -- Merkatz, I R -- New York, N.Y. -- Science. 1978 Oct 6;202(4363):53-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/567843" target="_blank"〉PubMed〈/a〉
    Keywords: Disorders of Sex Development/embryology/*genetics ; Female ; Humans ; Karyotyping ; Male ; Ovary/embryology ; Pedigree ; Sex Chromosome Aberrations/embryology ; Testis/embryology ; Turner Syndrome/embryology/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 2
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    A direct role of dopamine in the rat subthalamic nucleus and an adjacent intrapeduncular area (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: The subthalamic nucleus, a clinically important component of the extrapyramidal motor system, and a lateral area extending into the peduncle contain catecholamine terminals and dopamine receptors coupled to adenylate cyclase. In addition, dopamine agonists administered in vivo enhance glucose utilization in the region. Thus, neuronal function in this region is directly affected by dopamine and dopaminergic drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, L L -- Markman, M H -- Wolfson, L I -- Dvorkin, B -- Warner, C -- Katzman, R -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1416-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505015" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Animals ; Brain Mapping ; Catecholamines/pharmacology ; Dopamine/pharmacology ; Enzyme Activation/drug effects ; Extrapyramidal Tracts/*metabolism/ultrastructure ; Glucose/metabolism ; Male ; Mesencephalon/*metabolism ; Neurons/metabolism ; Rats ; Receptors, Dopamine/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Premature senescence in cultured skin fibroblasts from subjects with cystic fibrosis (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-23
    Description: Cultured skin fibroblasts from subjects with cystic fibrosis exhibited normal population doubling times in early passages. After about 13 cumulative population doublings, cystic fibrosis lines doubled more slowly than controls and ceased doubling after about 19 weekly passages. Control lines continued doubling for 27 passages. The premature senescence noted in cells from subjects with cystic fibrosis reconciles controversial observations of cell doubling reported in the literature. Data presented here demonstrate that experiments with cystic fibrosis cells in late passage may generate misleading results since differences from control lines may be ascribed to generalized senile changes rather than to specific results of the cystic fibrosis genotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shapiro, B L -- Lam, L F -- Fast, L H -- New York, N.Y. -- Science. 1979 Mar 23;203(4386):1251-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424752" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aging ; Cell Division ; *Cell Survival ; Cells, Cultured ; Child ; Cystic Fibrosis/*pathology ; DNA/biosynthesis ; Female ; Humans ; Male ; Skin/pathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    The radiation history of material returned by the Soviet automatic stations Luna 16 and Luna 20, according to track studies (1977)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Fission tracks formed by the vH (very heavy) nuclei group of solar and galactic cosmic rays have been studied in silicate minerals of the lunar regolith returned by the Luna 16 and Luna 20 unmanned spacecraft. It is shown that the material in the Luna 16 core sample, from a typical mare region of the lunar surface, has undergone stronger irradiation by cosmic rays than material returned a highland region by Luna 20. A low-irradiation component (about 10 percent of the total number of crystals) has been found in the Luna 20 core sample materials, which can possibly be attributed to material added to the main bulk of the regolith in the formation of the crater Apollonius C. From the track density distribution of crystals, as a function of depth in the regolith core sample, it follows that the process of formation of the upper layer of the regolith, both for the lunar mare and for the highland region, includes sequential layering of finely crushed crystalline matter and subsequent mixing of it by micrometeorite bombardment. A portion of the crystals with a very high track density may be a component added to the lunar surface from outer space.
    Keywords: ASTROPHYSICS
    Type: NASA, Washington The Soviet-Am. Conf. on Cosmochem. of the Moon and Planets, Pt. 2; p 745-754
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    NASA TECHNICAL REPORTS
  • 5
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    Investigation of the composition of the Luna 16 lunar sample (1977)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The concentrations of aluminum, manganese, sodium, chromium, iron, cobalt, and 12 rare earth elements were determined by neutron activation analysis using slow neutrons. Oxygen and silicon were determined using a fast neutron generator. Mossbauer spectroscopy was used to investigate iron compounds in Luna 16 regolith samples from the upper part of the core.
    Keywords: ASTROPHYSICS
    Type: NASA, Washington The Soviet-Am. Conf. on Cosmochem. of the Moon and Planets, pt. 1; p 277-280
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    NASA TECHNICAL REPORTS
  • 6
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    Stellar model chromospheres. XI - A survey of Ca II lambda 8542 line profiles in late-type stars of differing chromospheric activity (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: ASTROPHYSICS
    Type: PB80-144215 , Astrophysical Journal Supplement Series; 41; Nov. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
    Electronic Resource
    Electronic Resource
    Errata (1975)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 21 (1975), S. 623-623 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690210343
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Estimation of phase diagrams and solubilities for aqueous multi-ion systems (1979)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 25 (1979), S. 759-762 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Calculation of the phase diagram for saturated aqueous multi-ion solutions of strong electrolytes, based upon use of the thermodynamic solubility products, is illustrated for the four-ion system: Na+, K+, Mg++, SO4=. Solid phases are identified along with the ion concentrations of the associated saturated solutions.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690250503
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  • 9
    Electronic Resource
    Electronic Resource
    Cold flow mixing rates with recirculation for pulverized coal reactors (1978)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 24 (1978), S. 1029-1035 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The mixing of particles and gases in confined, coaxial jets in the presence of recirculation was studied. Particle and gas mixing rates were measured for conditions simulating processes involving pulverized coal combustion and entrained gasification. The effects of mixing chamber diameter, gas velocity, particle size, and particle loading level on mixing rates were determined from particle mass flux and gas tracer measurements. In every case, the gas mixed much faster than did the particles. Introduction of an expanded mixing chamber of larger diameter (with recirculation zone) significantly increased both gas and particle mixing rates over that for a smaller mixing chamber without recirculation. However, this observed increase was not strongly dependent upon the diameter of the larger mixing chamber. Increasing secondary velocity also increased mixing rates significantly.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690240613
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  • 10
    Electronic Resource
    Electronic Resource
    An examination of the adaptive random search technique (1976)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 22 (1976), S. 744-750 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Random search procedures have recently been successfully applied to the optimization of a variety of chemical engineering problems, including optimization of chemical processes by flow sheet simulation. These procedures represent the independent variables as random variables described by probability distributions. The adaptive random search procedure centers the distribution for each variable about the best search point found and examines this region for a better point. Thus, this technique has the ability of continuously moving the search region toward the optimum, which is particularly advantageous in following constraints.This study examines the efficiency of the adaptive random search technique as applied to six different problems, which have been previously solved by various other techniques.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690220417
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