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  • 2005-2009  (3,095)
  • 1955-1959  (3)
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Year
  • 1
    GFZ publications
    GFZ publications
    Vertical crustal motion at tide gauges derived by analyzing GPS time series (2008)
    Potsdam : Geoforschungszentrum
    Associated volumes
    Details Availability
    Call number: 21/STR 08/03
    In: Scientific technical report
    Type of Medium: GFZ publications
    Pages: 106 S.
    Series Statement: Scientific technical report / Geoforschungszentrum Potsdam 08/03
    URL: http://ebooks.gfz-potsdam.de/pubman/item/escidoc:8758:2/component/escidoc:8757/0803.pdf
    Classification:
    Gravity Field
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Suppley and demand of the steel industry in the EU countries and the PR China (2006)
    Hannover : Bundesanstalt für Geowissenschaften und Rohstoffe [u.a.]
    Associated volumes
    Details Availability
    Call number: S 99.0136(35)
    In: Rohstoffwirtschaftliche Länderstudien
    Type of Medium: Series available for loan
    Pages: 24 S.
    ISBN: 3510959590 , 978-3-510-95959-4
    Series Statement: Rohstoffwirtschaftliche Länderstudien 35
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    GFZ publications
    GFZ publications
    GPS data processing at GFZ for monitoring the vertical motion of global tide gauge benchmarks : technical report for projects TIGA and SEAL (2007)
    Potsdam : GeoForschungsZentrum
    Associated volumes
    Details Availability
    Call number: 21/STR 07/02
    In: Scientific technical report
    Type of Medium: GFZ publications
    Pages: 28 S.
    Series Statement: Scientific technical report / GeoForschungsZentrum Potsdam STR 07/02
    URL: http://ebooks.gfz-potsdam.de/pubman/item/escidoc:8724:2/component/escidoc:8723/0702.pdf
    Classification:
    Reference Systems
    Location: Reading room
    Branch Library: GFZ Library
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  • 4
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    High resolution color reflectance and hematite and goethite record of ODP Hole 184-1143A in the South China Sea (2009)
    PANGAEA
    In:  Supplement to: Zhang, Yi Ge; Ji, Jungfeng; Liu, Lianwen; Chen, Jun (2007): High resolution hematite and goethite records from ODP 1143, South China Sea: Co-evolution of monsoonal precipitation and El Niño over the past 600,000 years. Earth and Planetary Science Letters, 264(1-2), 136-150, https://doi.org/10.1016/j.epsl.2007.09.022
    Details
    Publication Date: 2024-01-09
    Description: Precipitation has a larger variability than temperature in tropical monsoon regions, thus it is an important climate variable. However, reconstructions of long-term rainfall histories are scarce because of the lack of reliable proxies. Here we document that iron oxide minerals, specifically the ratio of hematite to goethite (Hm/Gt), is a reasonable precipitation proxy. Using diffuse reflectance spectrophotometry, we measured samples from Ocean Drilling Program (ODP) 1143 drilling site (9°21.72'N, 113°17.11'E, 2777 m water depth) for hematite and goethite, whose formation processes are favored by opposing climate conditions. In order to determine the content of hematite and goethite we produced a set of calibration samples by removing the iron oxides to generate the natural matrix to which hematite and goethite in known percentages were added. From these calibration samples we developed a transfer function for determining hematite and goethite concentration from a sample's spectral reflectance. Applying this method to ODP 1143 sediments (top 34 m of a 510 m core with sampling interval of 10 cm) we were able to reconstruct a continuous precipitation history for SE Asia of the past 600 kyr using the Hm/Gt ratio as a proxy of the precipitation variability of Asian monsoon. The reliability of this Hm/Gt proxy is corroborated by its consistency with the stalagmite delta18O data from South China. Comparing long-term Hm/Gt records with the surface temperature gradient of equatorial Pacific Ocean, we found that monsoon precipitation and El Niño are correlated for the last 600 kyr. The development of El Niño-like conditions decreased SE Asia precipitation, whereas precipitation increases in response to La Niña intensification
    Keywords: 184-1143A; DRILL; Drilling/drill rig; Joides Resolution; Leg184; Ocean Drilling Program; ODP; South China Sea
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 5
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    (Table 1) Hematite, goethite concentrations, reflectance in color bands and total reflectance of the calibration sample set from ODP Hole 184-1143A (2007)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 184-1143A; Color reflectance interval 400-450 nm wavelength; Color reflectance interval 450-490 nm wavelength; Color reflectance interval 490-560 nm wavelength; Color reflectance interval 560-590 nm wavelength; Color reflectance interval 590-630 nm wavelength; Color reflectance interval 630-700 nm wavelength; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Goethite; Hematite, Fe2O3; Joides Resolution; Leg184; Ocean Drilling Program; ODP; Reflectance, total; Sample code/label; South China Sea; Spectrophotometer Perkin-Elmer Lambda 900
    Type: Dataset
    Format: text/tab-separated-values, 140 data points
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  • 6
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    (Appendix A) Hematite, goethite concentrations, reflectance in color bands and total reflectance of samples from ODP Hole 184-1143A (2007)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 184-1143A; AGE; Calculated; Color reflectance interval 400-450 nm wavelength; Color reflectance interval 450-490 nm wavelength; Color reflectance interval 490-560 nm wavelength; Color reflectance interval 560-590 nm wavelength; Color reflectance interval 590-630 nm wavelength; Color reflectance interval 630-700 nm wavelength; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Goethite; Hematite, Fe2O3; Hematite/Goethite ratio; Intercore correlation; Joides Resolution; Leg184; Ocean Drilling Program; ODP; Reflectance, total; Sample code/label; South China Sea; Spectrophotometer Perkin-Elmer Lambda 900
    Type: Dataset
    Format: text/tab-separated-values, 3780 data points
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  • 7
    Electronic Resource
    Electronic Resource
    QTL analysis of cooked rice grain elongation, volume expansion, and water absorption using a recombinant inbred population (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 124 (2005), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The traits of elongation, volume expansion, and water absorption are very important in determining the quality of cooked rice grains. In this study, quantitative trait loci (QTL) analysis of these traits was performed using a recombinant inbred population derived from a cross between two indica cultivars, ‘Zhenshan 97’ and ‘Minghui 63,’ which are the parents of the most widely grown hybrid rice in China. Using a linkage map based on 221 molecular marker loci covering a total of 1796 cM, a total of 33 QTLs were identified for the nine traits tested. QTLs were detected on chromosomes 1–3, 5–9, and 11, respectively. The QTLs identified included three for cooked rice grain length elongation (chromosomes 2, 6, and 11), six for width expansion (chromosomes 1-3, 6, 9, and 11) and two for water absorption (chromosomes 2 and 6). Interestingly, a single QTL located near the wx gene on chromosome 6 seemed to influence all the traits tested for the cooked rice quality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.2004.01055.x
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  • 8
    Electronic Resource
    Electronic Resource
    Genetic diversity of Pueraria lobata (kudzu) and closely related taxa as revealed by inter-simple sequence repeat analysis (2005)
    Oxford, UK : Blackwell Science Ltd
    Weed research 45 (2005), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Kudzu (Pueraria lobata) is a noxious weed infesting some areas of the USA. Knowledge of its genetic variation in both native and invasive areas can lead to effective biological control measures. Inter-simple sequence repeat (ISSR) variations were studied in P. lobata and its four closely related congeneric species (P. edulis, P. montana, P. phaseoloides and P. thomsoni). ISSR results allowed a clear separation of these five species. For P. lobata, 108 plants from China and USA were analysed. The samples from the US were genetically closer to Chinese P. lobata populations than to other congeneric populations. High genetic differentiation was found for P. lobata, P. montana and P. thomsoni in Chinese samples. High genetic diversity and low population differentiation was found in P. lobata samples of the US. This supports the hypothesis of multiple introductions into the USA from different sources in Japan or China, followed by subsequent gene exchange and recombination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.2005.00462.x
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  • 9
    Electronic Resource
    Electronic Resource
    The Helicobacter pylori MutS protein confers protection from oxidative DNA damage (2005)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 58 (2005), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The human gastric pathogenic bacterium Helicobacter pylori lacks a MutSLH-like DNA mismatch repair system. Here, we have investigated the functional roles of a mutS homologue found in H. pylori, and show that it plays an important physiological role in repairing oxidative DNA damage. H. pylori mutS mutants are more sensitive than wild-type cells to oxidative stress induced by agents such as H2O2, paraquat or oxygen. Exposure of mutS cells to oxidative stress results in a significant (∼10-fold) elevation of mutagenesis. Strikingly, most mutations in mutS cells under oxidative stress condition are G:C to T:A transversions, a signature of 8-oxoguanine (8-oxoG). Purified H. pylori MutS protein binds with a high specific affinity to double-stranded DNA (dsDNA) containing 8-oxoG as well as to DNA Holliday junction structures, but only weakly to dsDNA containing a G:A mismatch. Under oxidative stress conditions, mutS cells accumulate higher levels (approximately threefold) of 8-oxoG DNA lesions than wild-type cells. Finally, we observe that mutS mutant cells have reduced colonization capacity in comparison to wild-type cells in a mouse infection model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2958.2005.04833.x
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  • 10
    Electronic Resource
    Electronic Resource
    Theoretical and numerical analysis of large-scale heat transfer problems with temperature-dependent pore-fluid densities (2005)
    Bradford : Emerald
    Engineering computations 22 (2005), S. 232-252 
    Details
    ISSN: 0264-4401
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Technology
    Notes: Purpose - In many scientific and engineering fields, large-scale heat transfer problems with temperature-dependent pore-fluid densities are commonly encountered. For example, heat transfer from the mantle into the upper crust of the Earth is a typical problem of them. The main purpose of this paper is to develop and present a new combined methodology to solve large-scale heat transfer problems with temperature-dependent pore-fluid densities in the lithosphere and crust scales. Design/methodology/approach - The theoretical approach is used to determine the thickness and the related thermal boundary conditions of the continental crust on the lithospheric scale, so that some important information can be provided accurately for establishing a numerical model of the crustal scale. The numerical approach is then used to simulate the detailed structures and complicated geometries of the continental crust on the crustal scale. The main advantage in using the proposed combination method of the theoretical and numerical approaches is that if the thermal distribution in the crust is of the primary interest, the use of a reasonable numerical model on the crustal scale can result in a significant reduction in computer efforts. Findings - From the ore body formation and mineralization points of view, the present analytical and numerical solutions have demonstrated that the conductive-and-advective lithosphere with variable pore-fluid density is the most favorite lithosphere because it may result in the thinnest lithosphere so that the temperature at the near surface of the crust can be hot enough to generate the shallow ore deposits there. The upward throughflow (i.e. mantle mass flux) can have a significant effect on the thermal structure within the lithosphere. In addition, the emplacement of hot materials from the mantle may further reduce the thickness of the lithosphere. Originality/value - The present analytical solutions can be used to: validate numerical methods for solving large-scale heat transfer problems; provide correct thermal boundary conditions for numerically solving ore body formation and mineralization problems on the crustal scale; and investigate the fundamental issues related to thermal distributions within the lithosphere. The proposed finite element analysis can be effectively used to consider the geometrical and material complexities of large-scale heat transfer problems with temperature-dependent fluid densities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02644400510585501
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