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  • 1
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    Advances in the Study of Fractured Reservoirs (2014)
    London : The Geological Society
    Details
    Keywords: fractured reservoirs; hydrocarbon resources
    Description / Table of Contents: Advances in the study of naturally fractured hydrocarbon reservoirs: a broad integrated interdisciplinary applied topic / Guy H. Spence, Gary D. Couples, Tim G. Bevan, Roberto Aguilera, John W. Cosgrove, Jean-Marc Daniel and Jonathan Redfern / Geological Society, London, Special Publications, 374, 1-22, 9 July 2014, https://doi.org/10.1144/SP374.19 --- Investigating fracture networks using outcrop, core and geophysical data --- Sedimentological controls on the fracture distribution and network development in Mesaverde Group sandstone lithofacies, Uinta Basin, Utah, USA / Ryan Sonntag, James P. Evans, Paul La Pointe, Meagan Deraps, Hope Sisley and David Richey / Geological Society, London, Special Publications, 374, 23-50, 10 September 2012, https://doi.org/10.1144/SP374.4 --- Comparison of digital outcrop and conventional data collection approaches for the characterization of naturally fractured reservoir analogues / Thomas D. Seers and David Hodgetts / Geological Society, London, Special Publications, 374, 51-77, 19 April 2013, https://doi.org/10.1144/SP374.13 --- Fault linkage and damage zone architecture in tight carbonate rocks in the Suez Rift (Egypt): implications for permeability structure along segmented normal faults / A. Rotevatn and E. Bastesen / Geological Society, London, Special Publications, 374, 79-95, 10 September 2012, https://doi.org/10.1144/SP374.12 --- Quantifying fracture density and connectivity of fractured chalk reservoirs from core samples: implications for fluid flow / D. A. Sagi, M. Arnhild and J. F. Karlo / Geological Society, London, Special Publications, 374, 97-111, 26 June 2013, https://doi.org/10.1144/SP374.16 --- Characterizing discontinuities in naturally fractured outcrop analogues and rock core: the need to consider fracture development over geological time / S. R. Hencher / Geological Society, London, Special Publications, 374, 113-123, 9 May 2013, https://doi.org/10.1144/SP374.15 --- Numerical and statistical simulations and models --- What can we learn from high-resolution numerical simulations of single- and multi-phase fluid flow in fractured outcrop analogues? / Sebastian Geiger and Stephan Matthäi / Geological Society, London, Special Publications, 374, 125-144, 5 September 2012, https://doi.org/10.1144/SP374.8 --- Geomechanical impacts on flow in fractured reservoirs / Gary D. Couples / Geological Society, London, Special Publications, 374, 145-172, 25 June 2013, https://doi.org/10.1144/SP374.17 --- Geomechanical mechanisms involving faults and fractures for observed correlations between fluctuations in flowrates at wells in North Sea oilfields / Kes J. Heffer / Geological Society, London, Special Publications, 374, 173-186, 28 August 2012, https://doi.org/10.1144/SP374.2 --- Fluid flow through porous sandstone with overprinting and intersecting geological structures of various types / Xiaoxian Zhou, Mohammad Karimi-Fard, Louis J. Durlofsky and Atilla Aydin / Geological Society, London, Special Publications, 374, 187-209, 14 March 2013, https://doi.org/10.1144/SP374.11 --- Influences of nodular chert rhythmites on natural fracture networks in carbonates: an outcrop and two-dimensional discrete element modelling study / Guy H. Spence and Emma Finch / Geological Society, London, Special Publications, 374, 211-249, 7 March 2014, https://doi.org/10.1144/SP374.18 --- Sills as fractured hydrocarbon reservoirs: examples and models / Agust Gudmundsson and Ingrid F. Løtveit / Geological Society, London, Special Publications, 374, 251-271, 10 September 2012, https://doi.org/10.1144/SP374.5 --- A methodology to characterize fractured reservoirs constrained by statistical geological analysis and production: a real field case study / Matthieu Delorme, Rosane Oliveira Mota, Nina Khvoenkova, André Fourno and Benoit Nœtinger / Geological Society, London, Special Publications, 374, 273-288, 29 July 2013, https://doi.org/10.1144/SP374.14 --- Case studies --- Characterization of highly fractured basement, Say'un Masila Basin, Yemen / Ann Murray and David W. Montgomery / Geological Society, London, Special Publications, 374, 289-310, 27 July 2012, https://doi.org/10.1144/SP374.1 --- Characterizing seismic-scale faults pre- and post-drilling; Lewisian Basement, West of Shetlands, UK / Clare Slightam / Geological Society, London, Special Publications, 374, 311-331, 11 September 2012, https://doi.org/10.1144/SP374.6 --- Integration of outcrop and subsurface data during the development of a naturally fractured Eocene carbonate reservoir at the East Ras Budran concession, Gulf of Suez, Egypt / William Bosworth, Samir Khalil, Alan Clare, Joe Comisky, Hany Abdelal, Tom Reed and George Kokkoros / Geological Society, London, Special Publications, 374, 333-360, 31 July 2012, https://doi.org/10.1144/SP374.3 --- The Machar Oil Field, UK Central North Sea: impact of seismic reprocessing on the development of a complex fractured chalk field / M. V. Ward, C. Pearse, Y. Jehanno, M. O'Hanlon, A. Zett and D. Houliston / Geological Society, London, Special Publications, 374, 361-377, 17 October 2012, https://doi.org/10.1144/SP374.10 --- Dual-porosity fractured Miocene syn-rift dolomite reservoir in the Issaran Field (Gulf of Suez, Egypt): a case history of the zonal isolation of highly fractured water carrier bed / Ati Saoudi, Adel R. Moustafa, Ramadan I. Farag, Maher M. Omara, Hossam Wally, Ahmed Fouad, Amr Tag and Ramy Z. Ragab / Geological Society, London, Special Publications, 374, 379-394, 5 September 2012, https://doi.org/10.1144/SP374.7 --- The importance of natural fractures in a tight reservoir for potential CO2 storage: a case study of the upper Triassic–middle Jurassic Kapp Toscana Group (Spitsbergen, Arctic Norway) / K. Ogata, K. Senger, A. Braathen, J. Tveranger and S. Olaussen / Geological Society, London, Special Publications, 374, 395-415, 10 September 2012, https://doi.org/10.1144/SP374.9
    Pages: Online-Ressource (VI, 425 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 9781862396609
    URL: https://sp.lyellcollection.org/content/374/1
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Geometry and kinematics of extension in Alpine Corsica
    Amsterdam : Elsevier
    Earth and Planetary Science Letters 104 (1991), S. 278-291 
    Details
    ISSN: 0012-821X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0012-821X(91)90209-Z
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Dietary carbohydrate and tissue cholesterol concentration in young rats (1970)
    Springer
    Cellular and molecular life sciences 26 (1970), S. 57-58 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Drei Wochen alte männliche Ratten wurden auf eine Diät gesetzt, aus der die Kohlehydratquelle entweder aus Stärke oder einer Mischung von Kohlehydraten, die dem U. S.- Ernährungsstandard gleicht, bestand. Die Cholestrolansammlung im Gewebe der Ratten, denen nur Stärke gefüttert wurde, stand nicht in Verbindung mit der Gewichtszunahme; dagegen stand die Cholestrolzunahme im Gewebe jener Ratten, die mit einer Mischung von Kohlehydraten ernährt wurden, in direktem Zusammenhang mit der Zunahme in Gewicht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01900390
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  • 4
    Electronic Resource
    Electronic Resource
    Capillary electrophoretic determination of trace metals in hair samples and its comparison with high performance liquid chromatography and atomic absorption spectrometry techniques (1998)
    Weinheim : Wiley-Blackwell
    Electrophoresis 19 (1998), S. 11-18 
    Details
    ISSN: 0173-0835
    Keywords: Capillary electrophoresis ; Metals ; Hair ; High performance liquid chromatography ; Atomic absorption spectrometry ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Capillary electrophoresis (CE) is compared with high performance liquid chromatography (HPLC) and atomic absorption spectrometry (AA) for the determination of trace concentrations of selected metals in human hair. CE and HPLC methods are based upon the chelation of the metals with 2-(5′-bromo 2′-pyridylazo)-5-diethylamino phenol (5-Br-PADAP) followed by ultraviolet-visible (UV-Vis) detection. Large volume sample stacking (LVSS)-CE using injection times of up to 300 s is applied to the simultaneous determination of Co and Zn providing lower limits of detection (LODs) of 4.2 × 10-8 mol dm-3 and 6.0 × 10-8 mol dm-3, respectively, than can be achieved by conventional CE. The LVSS procedure could not be applied to hair samples due to a higher run current existing when the sample is introduced into the capillary. Conventional CE with cetyltrimethylammonium bromide (CTAB) present in the run buffer to retain the ligand in solution is used for the determination of metal concentrations in hair samples. Only Zn could be determined in this way as it exists at relatively high levels in hair. Co, Ni and Hg could be detected when spiked hair samples were analysed with estimated LODs of 5.0 × 10-7 mol dm-3, 1.0 × 10-6 dm-3 and 3.0 × 10-5 mol dm-3, respectively. HPLC was successfully used to determine Co and Cu in hair samples, with levels of 57.6 ppb and 17.31 ppm being found, respectively, and corresponded closely to results produced by AA. Fe also gave a signal together with unidentified coeluting species. In a separate HPLC study the determination of Ni and Hg as their complexes with hydrogen peroxide and 5-Br-PADAP was also investigated and LODs of 2.0 × 10-6 mol dm-3 and 5.0 × 10-6 mol dm-3, respectively, were achieved. AA was used as a reference method to determine levels of Co, Cu, Fe, Pb and Zn in hair and the results produced were in order of magnitude agreement with accepted literature values.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150190105
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  • 5
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    Conching chocolate is a prototypical transition from frictionally jammed solid to flowable suspension with maximal solid content (2019)
    National Academy of Sciences
    Details
    Publication Date: 2019-05-07
    Description: The mixing of a powder of 10- to 50-μm primary particles into a liquid to form a dispersion with the highest possible solid content is a common industrial operation. Building on recent advances in the rheology of such “granular dispersions,” we study a paradigmatic example of such powder incorporation: the conching of chocolate, in which a homogeneous, flowing suspension is prepared from an inhomogeneous mixture of particulates, triglyceride oil, and dispersants. Studying the rheology of a simplified formulation, we find that the input of mechanical energy and staged addition of surfactants combine to effect a considerable shift in the jamming volume fraction of the system, thus increasing the maximum flowable solid content. We discuss the possible microscopic origins of this shift, and suggest that chocolate conching exemplifies a ubiquitous class of powder–liquid mixing.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 6
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    Polygenic inheritance, GWAS, polygenic risk scores, and the search for functional variants (2020)
    National Academy of Sciences
    Details
    Publication Date: 2020-08-04
    Description: The reconciliation between Mendelian inheritance of discrete traits and the genetically based correlation between relatives for quantitative traits was Fisher’s infinitesimal model of a large number of genetic variants, each with very small effects, whose causal effects could not be individually identified. The development of genome-wide genetic association studies (GWAS) raised the hope that it would be possible to identify single polymorphic variants with identifiable functional effects on complex traits. It soon became clear that, with larger and larger GWAS on more and more complex traits, most of the significant associations had such small effects, that identifying their individual functional effects was essentially hopeless. Polygenic risk scores that provide an overall estimate of the genetic propensity to a trait at the individual level have been developed using GWAS data. These provide useful identification of groups of individuals with substantially increased risks, which can lead to recommendations of medical treatments or behavioral modifications to reduce risks. However, each such claim will require extensive investigation to justify its practical application. The challenge now is to use limited genetic association studies to find individually identifiable variants of significant functional effect that can help to understand the molecular basis of complex diseases and traits, and so lead to improved disease prevention and treatment. This can best be achieved by 1) the study of rare variants, often chosen by careful candidate assessment, and 2) the careful choice of phenotypes, often extremes of a quantitative variable, or traits with relatively high heritability.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 7
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    Growth of layer-bound normal faults under a regional anisotropic stress field (2016)
    Geological Society (of London)
    Details
    Publication Date: 2016-04-08
    Description: Layer-bound normal faults commonly form polygonal faults with fine-grained sediments early in their burial history. When subject to anisotropic stress conditions, these faults will be preferentially oriented. In this study we investigate how faults grow, evolve and interact within regional-scale layer-bound fault systems characterized by parallel faults. The intention is to understand the geometry and growth of faults by applying qualitative and quantitative fault analysis techniques to a 3D seismic reflection dataset from the Levant Basin, an area containing a unique layer-bound normal fault array. This analysis indicates that the faults were affected by mechanical stratigraphy, causing preferential nucleation sites of fault segments, which were later linked. Our interpretation suggests that growth of layer-bound faults at a basin scale generally follows the isolated model, accumulating length proportional to displacement and, when subject to an anisotropic regional stress field, resembling to a great extent classical tectonic normal faults.
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
    Published by Geological Society (of London)
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  • 8
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    HIV 1998: The Global Picture (1998)
    Springer Nature
    Details
    Publication Date: 1998-07-01
    Print ISSN: 0036-8733
    Electronic ISSN: 1946-7087
    Topics: Biology , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 9
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    Genetics of the human face: Identification of large-effect single gene variants (2018)
    National Academy of Sciences
    Details
    Publication Date: 2018-01-04
    Description: To discover specific variants with relatively large effects on the human face, we have devised an approach to identifying facial features with high heritability. This is based on using twin data to estimate the additive genetic value of each point on a face, as provided by a 3D camera system. In addition, we have used the ethnic difference between East Asian and European faces as a further source of face genetic variation. We use principal components (PCs) analysis to provide a fine definition of the surface features of human faces around the eyes and of the profile, and chose upper and lower 10% extremes of the most heritable PCs for looking for genetic associations. Using this strategy for the analysis of 3D images of 1,832 unique volunteers from the well-characterized People of the British Isles study and 1,567 unique twin images from the TwinsUK cohort, together with genetic data for 500,000 SNPs, we have identified three specific genetic variants with notable effects on facial profiles and eyes.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 10
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    Dietary carbohydrate and tissue cholesterol concentration in young rats (1970)
    Springer
    Details
    Publication Date: 1970-01-01
    Print ISSN: 0014-4754
    Topics: Biology , Medicine
    Published by Springer
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