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  • 1
    Electronic Resource
    Electronic Resource
    Effect of tris(2,4-pentanedionato)chromium(III) on carbon-13 line widths. Potential dangers in line shape analysis (1975)
    s.l. : American Chemical Society
    Inorganic chemistry 14 (1975), S. 703-704 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50145a059
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  • 2
    Electronic Resource
    Electronic Resource
    Spectroscopic studies of the structural and dynamical properties of bis(pentahaptocyclopentadienyl)tricarbonyl(triphenyl phosphito) in solution (1974)
    s.l. : American Chemical Society
    Inorganic chemistry 13 (1974), S. 1402-1407 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50136a030
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  • 3
    Electronic Resource
    Electronic Resource
    Crystal and molecular structures of cis-bis(pentahaptocyclopentadienyl)tricarbonyl(triphenyl phosphito)diiron (1974)
    s.l. : American Chemical Society
    Inorganic chemistry 13 (1974), S. 1407-1411 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50136a031
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  • 4
    Electronic Resource
    Electronic Resource
    Geochemistry of Andesites and the Growth of Continents (1965)
    [s.l.] : Nature Publishing Group
    Nature 208 (1965), S. 271-273 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE growth of continents is one of the basic problems in geology. The rate of denudation is sufficient to erode continents to very low levels in periods brief (10 50 x 106 years) compared with the extent of geological time1. Accordingly, it is necessary to have a process by which material is added ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/208271a0
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  • 5
    Electronic Resource
    Electronic Resource
    Development of a portable time-of-flight membrane inlet mass spectrometer for environmental analysis (1998)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 565-571 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The benefits of on-site analysis of environmental pollutants are well known, with such techniques increasing sample throughput and reducing the overall cost of pollution level monitoring. This article describes a transportable time-of-flight (TOF) mass spectrometer, based upon a converging, annular TOF (CAT) arrangement. The instrument, the transportable CAT or T-CAT is battery powered and self-contained. The vacuum chamber is never vented and is kept at a very low pressure, even during analysis. Sample gases are admitted to the mass spectrometer via a membrane inlet system. Data collection and analysis are accomplished via a portable PC. The T-CAT is capable of detection limits approaching those of more conventional, nonportable design. The device shows reasonable linearity over wide concentration ranges. Initial results indicate that the T-CAT will be capable of use in a wide range of applications, particularly for environmental monitoring. This article describes the features of the T-CAT, and presents initial results from the membrane inlet/T-CAT system. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1148695
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  • 6
    Electronic Resource
    Electronic Resource
    An abscisic-acid-responsive, low temperature barley gene has homology with a maize phospholipid transfer protein (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 15 (1992), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: bltA is a barley gene which, as measured by steady state mRNA levels, is induced by a low positive temperature treatment of shoot meristems. The gene is also induced in shoot meristems by drought stress. We now report the response of this gene to foliar applications of abscisic acid. The striking similarity between the predicted amino acid sequence of bltA and two maize phospholipid transfer proteins indicates a biochemical function for the bltA gene product. This homology also demonstrates the hitherto unreported environmental regulation of expression of a phospholipid transfer protein which may involve abscisic acid in the signal transduction pathway.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1992.tb02155.x
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  • 7
    Electronic Resource
    Electronic Resource
    Coexisting clinopyroxene, garnet and amphibole from an “eclogite”, Kakanui, New Zealand (1972)
    Springer
    Contributions to mineralogy and petrology 34 (1972), S. 185-191 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Analyses of major and rare earth elements are presented for co-existing garnet, clinopyroxene, and amphibole from a Kakanui “eclogite”. New and previously published analyses of garnets suggest a gradual increase of Fe and decrease of Mg from xenocrysts through garnet pyroxene eclogitic rocks to amphibole-rich eclogitic rocks. Clinopyroxenes show a parallel increase in Fe/Mg ratio and an increase in Jadeite component and decrease in Tschermak's component. These data indicate crystallization of garnet and clinopyroxene from an alkali-rich undersaturated magma and are consistent with the concept of eclogite fractionation, but rare earth data allow severe constraints to be placed on this process. The eclogites are considered to be deep-seated crystallization products of nephelinite, but eclogite fractionation is small and cannot account for the association of alkali basalt, basanite and nephelinite.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00373290
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  • 8
    Electronic Resource
    Electronic Resource
    Granulitic and eclogitic inclusions from basic pipes at Delegate, Australia (1969)
    Springer
    Contributions to mineralogy and petrology 21 (1969), S. 9-52 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Basic breccia-nephelinite pipes at Delegate (N.S.W., Australia) contain abundant two-pyroxene granulite, garnet granulite and fassaite eclogite inclusions and rare spinel pyroxenite, peridotite and charnockite inclusions. Petrographic, mineralogical and chemical data on the inclusions and their co-existing phases are consistent with the hypothesis that the fassaite eclogite, garnet granulite and spinel pyroxenite inclusions all crystallized or recrystallized in about the same temperature-pressure region, within the range 7–15 kb and 700–1200° C. This means that these particular inclusions were formed within the uppermost part of the mantle and/or the lowermost part of the crust. The two-pyroxene granulites may also have crystallized in the same region but there are some data which are indicative of crystallization at lower pressures within the crust. The charnockite inclusion is also considered to be of crustal origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00377416
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  • 9
    Electronic Resource
    Electronic Resource
    Nature and origin of A-type granites with particular reference to southeastern Australia (1982)
    Springer
    Contributions to mineralogy and petrology 80 (1982), S. 189-200 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract In the Lachlan Fold Belt of southeastern Australia, Upper Devonian A-type granite suites were emplaced after the Lower Devonian I-type granites of the Bega Batholith. Individual plutons of two A-type suites are homogeneous and the granites are characterized by late interstitial annite. Chemically they are distinguished from I-type granites with similar SiO2 contents of the Bega Batholith, by higher abundances of large highly charged cations such as Nb, Ga, Y, and the REE and lower Al, Mg and Ca: high Ga/Al is diagnostic. These A-type suites are metaluminous, but peralkaline and peraluminous A-type granites also occur in Australia and elsewhere. Partial melting of felsic granulite is the preferred genetic model. This source rock is the residue remaining in the lower crust after production of a previous granite. High temperature, vapour-absent melting of the granulitic source generates a low viscosity, relatively anhydrous melt containing F and possibly Cl. The framework structure of this melt is considerably distorted by the presence of these dissolved halides allowing the large highly charged cations to form stable high co-ordination structures. The high concentration of Zr and probably other elements such as the REE in peralkaline or near peralkaline A-type melts is a result of the counter ion effect where excess alkali cations stabilize structures in the melt such as alkali-zircono-silicates. The melt structure determines the trace element composition of the granite. Separation of a fluid phase from an A-type magma results in destabilization of co-ordination complexes and in the formation of rare-metal deposits commonly associated with fluorite. At this stage the role of Cl in metal transport is considered more important than F.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00374895
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  • 10
    Electronic Resource
    Electronic Resource
    Molecular analysis and spatial expression pattern of a low-temperature-specific barley gene, blt101 (1993)
    Springer
    Plant molecular biology 23 (1993), S. 871-879 
    Details
    ISSN: 1573-5028
    Keywords: cold ; low temperature ; barley ; gene expression ; cDNA ; shoot meristem
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A cDNA clone of the previously unreported low-temperature-induced gene blt101 was isolated after a differential screen of a cDNA library prepared from low-temperature (6 °C day/2 °C night) grown barley shoot meristems. Southern blot analysis of barley ditelosomic addition lines was used to assign this single-copy gene to the long arm of chromosome 4. Analysis of steady-state levels of blt101 mRNA showed the induction of this transcript in shoot meristems upon transfer of barley (cv. Igri) plants from control (20 °C/15 °C) to low (6 °C/2 °C) temperature treatment. Further, the high level of this transcript is maintained at low temperatures but is reduced on transfer from low to control temperatures. The gene is not induced by drought or by foliar application of ABA. Analysis of segregating doubled haploid lines shows that there is no specific association of this gene with either spring/winter growth habit or frost hardiness. Examination of the spatial expression pattern revealed ubiquitous expression of blt101 in low-temperature (6 °C/2 °C) grown barley shoot meristems, mature leaves and roots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00021541
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