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  • ASTROPHYSICS  (3)
  • electric utility  (2)
  • nitrogen oxides  (2)
  • ATPase9  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Linear mitochondrial genome organization in vivo in the genus Pythium (1995)
    Springer
    Current genetics 28 (1995), S. 225-234 
    Details
    ISSN: 1432-0983
    Keywords: Pythium ; Linear mitochondrial DNA ; Pulsed-field gel electrophoresis ; ATPase9 ; mtDNA replication
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pulsed-field gel electrophoresis (PFGE) of isolates of Pythium oligandrum with linear mitochondrial genomes revealed a distinct band in ethidium bromide-stained gels similar in size to values estimated by restriction mapping of mitochondrial DNA (mtDNA). Southern analysis confirmed that these bands were mtDNA and indicated that linear genomes were present in unit-length size as well as multimers. Isolates of this species with circular mtDNA restriction maps also had low levels of linear mono- and multimers. visualized by Southern analysis of PFGE gels. Examination of 17 additional species revealed similar results; three species had distinct linear mtDNA bands in ethidium bromide-stained gels while the remainder had linear mono- and multi-mers in lower amounts detected only by Southern analysis. Sequence analysis of an isolate of P. oligandrum with a primarily circular mitochondrial genomic map and a low amount of linear molecules revealed that the small unique region of the circular map (which corresponded to the terminal region of linear genomes) was flanked by palindromic intrastrand complementary sequences separated by a unique 194-bp sequence. Sequences with similarity to ATPase9 coding regions from other organisms were located adjacent to this region. Sequences with similarity to mitochondrial origins of replication and autonomously replicating sequences were also located in this region: their potential involvement in the generation of linear molecules is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00309781
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ebara electron beam process for flue gas cleanup: Plant test results and future development
    Amsterdam : Elsevier
    International Journal of Radiation Applications & Instrumentation. Part C, 31 (1988), S. 57-82 
    Details
    ISSN: 1359-0197
    Keywords: Pollution control ; coal ; electric utility ; electron beam ; environment ; nitrogen dioxide ; nitrogen oxides ; sulfur dioxide ; sulfur dioxide ; test plant ; test results
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/1359-0197(88)90109-9
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Electron beam treatment of stack gases
    Amsterdam : Elsevier
    Radiation Physics and Chemistry 25 (1985), S. 35-45 
    Details
    ISSN: 0146-5724
    Keywords: NO"x ; Pollution control ; SO"2 ; coal ; electric utility ; electron beam ; environment ; nitrogen oxides ; sulfur dioxide
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0146-5724(85)90247-X
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  • 4
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    A CO survey of regions around 34 open clusters (1989)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Results are presented from a systematic search for CO emission from regions around 34 young open clusters in the outer Galaxy. The clusters have well-determined distances ranging from about 1 to 5 kpc and ages not greater than about 100 Myr. It was found that some moderately young clusters have no associated CO emission. All the surveyed clusters younger than about 5 Myr have associated with them at least one molecular cloud more massive than 10,000 solar mass, while the molecular clouds associated with clusters older than about 10 Myr are not more massive than a few thousands solar masses. It was also found that molecular clouds are receding from young clusters at a rate of about 10 km/sec, and that they seem to be destroyed by their interaction with the stars. Sites of ongoing star formation were identified in a number of clouds associated with young clusters.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal Supplement Series (ISSN 0067-0049); 70; 731-812
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Star formation and spiral structure in M81 (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: High resolution digitized images of M81 in the radio continuum, H alpha, H I, and I band are used to see how well various density wave models agree in detail with observations. It was found that the observed width of the nonthermal radio arms favors a cloudy version of a density wave model. The radial distribution of the set of giant radio H II regions disagrees with the simple expression of Shu and Visser for star formation by a density wave. The observed displacements of the giant radio H II regions from the spiral velocity shock indicate that some revisions in the details of the ballistic particle model of Leisawitz and Bash are necessary.
    Keywords: ASTROPHYSICS
    Type: NASA, Washington Star Formation in Galaxies; p 227-233
    Format: application/pdf
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  • 6
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    Giant H II regions in M81 (1987)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: H-alpha and VLA radio continuum observations at wavelengths of 6 and 20 cm are used to study the distribution of extinction and the distribution of giant radio H II regions along the spiral arms in M81. The radial distribution of visual extinction Av in the plane of M81 shows no trend, with an upper limit 0.1 mag/kpc for the radial extinction gradient and a mean Av of 1.1 + or - 0.4 mag. Nearly all the giant radio H II regions lie along the spiral arms or the inner H I ring. The radial distribution of the set of giant radio H II regions exhibits a strong maximum at a galactocentric distance R roughly 300 arcsec. Unless molecular hydrogen in M81 is also concentrated near R roughly 300 arcsec, the data disagree with Visser's (1980) model for star formation associated with a density wave. Some suggestions are made about how to change the ballistic particle model of Leisawitz and Bash to agree with the observed radial distribution of giant radio H II regions.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 319; 61-75
    Format: text
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    NASA TECHNICAL REPORTS
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