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  • 2020-2024  (2)
  • 2015-2019  (28)
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  • 1
    Online Resource
    Online Resource
    Oxford :Taylor & Francis Group,
    Keywords: Space and time. ; Electronic books.
    Description / Table of Contents: Originally published in 1980. The author's arguments here provide grounds for rejecting both the absolutist and the relativist theories of time and presents two new theories, shifting the traditional debate to a consideration of time as a theoretical structure and theoretical framework.
    Type of Medium: Online Resource
    Pages: 1 online resource (277 pages)
    Edition: 1st ed.
    ISBN: 9780429671838
    Series Statement: Routledge Library Editions: Philosophy of Time Series
    DDC: 115
    Language: English
    Note: Cover -- Half Title -- Title Page -- Copyright Page -- Original Title Page -- Original Copyright Page -- Dedication Page -- Contents -- Preface -- I The Nature of Time -- 1 What is Time? -- 2 The Intractability of Time -- 3 Things in Time and Temporal Items -- 4 Reductionism -- 5 Platonism -- 6 A Plan of the Work -- II Time and Change -- 1 Reductionism and Aristotle's Principle -- 2 Changes -- 3 Inconceivability and Verification -- 4 Towards Changeless Time -- 5 Quantized Change -- 6 Date Causality -- 7 Duration Causality -- 8 Spatial Vacua and Reductionist Theories of Space -- 9 A Comparison of Temporal and Spatial Vacua -- 10 Temporal Vacua and Modalities -- III The Topology of Time I: The Linearity of Time -- I The Standard Topology -- 2 Cyclical Time and Closed Time -- 3 A Maximal Exposition of the Hypothesis of Closed Time -- 4 The Underdetermination of Theory by Data -- 5 Reductionism, Platonism and Closed Time -- IV The Topology of Time II: The Unity of Time -- 1 Space, Time and Unity -- 2 Non-unified Space -- 3 Non-unified Space and Non-unified Time -- 4 The Essentially Temporal Character of Evidence -- 5 Unified Space and Non-unified Time? -- V The Topology of Time III: The Beginning of Time -- 1 Beginnings and Endings -- 2 Aristotle, Swinburne and Tenses -- 3 Kant, Indefinite Extrapolation and Possibility -- 4 Empty Time, Leibniz and Explanation -- 5 Aristotle's Principle, Empty Time and the Beginning of the Universe -- VI The Topology of Time IV: The Micro-aspects -- 1 The Micro-structure of Time -- 2 Discrete Time -- 3 The Empirical Significance of Continuity Postulates -- 4 The Points of Time -- 5 The Russellian Construction of Instants -- 6 Instants as Propositions -- 7 Instants as Parts of Durations -- 8 Intervals of Time -- VII The Metric of Time -- 1 Dates and Durations -- 2 The Metrication of Time -- 3 Clocks and Conventions. , 4 Choosing a Clock -- 5 Conventionalism -- 6 Objectivism -- 7 Platonism and Objectivism -- 8 Objectivism and Semantic Revisionism -- 9 Unmeasurable Time -- VIII The Special Theory of Relativity -- 1 The Special Theory of Relativity -- 2 The Lorentz Transformations -- 3 Consequences of the Lorentz Transformations -- (i) Relativization of Simultaneity and Platonism -- (ii) STR and the Topology of Time -- (iii) Quine and the STR -- 4 The Twins Paradox -- 5 Platonism, Reductionism and the Special Theory of Relativity -- IX The Direction of Time -- 1 The Criterion of Temporal Order -- 2 Memory and Temporal Order -- 3 Memories and Mories -- 4 Physical Correlates -- 5 Predicates and Relations without Physical Correlates -- X Towards a Positive Theory -- 1 What, then, is Time? -- 2 Platonism -- 3 Time as a Construction from Events -- 4 Time as a Logical Space -- 5 Time as a System of Non-empirical Abstract Objects -- 6 The Flexible Response Theory -- 7 The Facts of the Matter -- 8 Time as a Theoretical Structure -- 9 Time as a Theoretical Framework -- Appendix: Properties of Relations -- Notes -- Bibliography -- Index.
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  • 2
    Online Resource
    Online Resource
    Chicago :Austin Macauley Publishers Ltd.,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (283 pages)
    Edition: 1st ed.
    ISBN: 9798889100355
    Language: English
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  • 3
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    Oceans and Law of the Sea, United Nations
    In:  EPIC3The First Global Integrated Marine Assessment, Chapter 36G: Arctic Ocean, New York, Oceans and Law of the Sea, United Nations, 47 p., pp. 1-47
    Publication Date: 2016-03-13
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Format: application/pdf
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  • 4
    Publication Date: 2023-08-09
    Description: The Asian Summer Monsoon (ASM) is important for weather, climate, air quality and atmospheric composition with its location over a large densely-populated area that extends throughout South to Southeast and East Asia. Deep convection associated with the ASM lofts pollutants from urban and biomass burning source regions to the upper troposphere, where an enhancement of these pollutants accumulate in the associated upper tropospheric anticyclone. With local-scale processes such as urban emissions and deep convection connected to continental-scale impacts in the upper troposphere, it is a challenge to accurately model explicitly the critical multiscale processes with traditional chemistry transport models. However, a new class of modeling infrastructure, which has variable sized grid meshes, allows for such representation. In this presentation, we describe the Multiscale Infrastructure for Chemistry and Aerosols (MUSICA) and its application to the ASM. MUSICA version 0 makes use of a cubic sphere grid mesh that allows for higher-resolution grid spacing over specified regions. Recently, MUSICAv0 provided chemical forecasts during the Asian Summer Monsoon Chemical and Climate Impact Project (ACCLIP) field campaign in July-August 2022. Version 1 of MUSICA uses the Model Prediction Across Scales (MPAS) grid mesh and dynamical core, which allows regional refinement to convective-permitting scales (i.e., explicitly representing convection with ~3 km grids). MUSICAv1 is currently being tested to evaluate its computational performance. This presentation will provide examples of the capabilities of MUSICAv0 and MUSICAv1 in representing convective transport using ACCLIP field observations, in contrast with coarse-grid global chemistry transport models.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 5
    Publication Date: 2015-04-21
    Description: Author(s): R. J. deBoer, D. W. Bardayan, J. Görres, P. J. LeBlanc, K. V. Manukyan, M. T. Moran, K. Smith, W. Tan, E. Uberseder, M. Wiescher, P. F. Bertone, A. E. Champagne, and M. S. Islam Background: The slowest reaction in the first CNO cycle is 14 N(p,γ) 15 O, therefore its rate determines the overall energy production efficiency of the entire cycle. The cross section presents several strong resonance contributions, especially for the ground-state transition. Some of the properties of... [Phys. Rev. C 91, 045804] Published Mon Apr 20, 2015
    Keywords: Nuclear Astrophysics
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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  • 6
    Publication Date: 2015-04-24
    Description: Treatment of vaso-occlusive crises (VOC) or events in sickle cell disease (SCD) remains limited to symptom relief with opioids. Animal models support the effectiveness of the pan-selectin inhibitor GMI-1070 in reducing selectin-mediated cell adhesion and abrogating VOC. We studied GMI-1070 in a prospective multicenter, randomized, placebo-controlled, double-blind, phase 2 study of 76 SCD patients with VOC. Study drug (GMI-1070 or placebo) was given every 12 hours for up to 15 doses. Other treatment was per institutional standard of care. All subjects reached the composite primary end point of resolution of VOC. Although time to reach the composite primary end point was not statistically different between the groups, clinically meaningful reductions in mean and median times to VOC resolution of 41 and 63 hours (28% and 48%, P = .19 for both) were observed in the active treatment group vs the placebo group. As a secondary end point, GMI-1070 appeared safe in acute vaso-occlusion, and adverse events were not different in the two arms. Also in secondary analyses, mean cumulative IV opioid analgesic use was reduced by 83% with GMI-1070 vs placebo ( P = .010). These results support a phase 3 study of GMI-1070 (now rivipansel) for SCD VOC. This trial was registered at www.clinicaltrials.gov as #NCT01119833.
    Keywords: Free Research Articles, Red Cells, Iron, and Erythropoiesis, Clinical Trials and Observations
    Print ISSN: 0006-4971
    Electronic ISSN: 1528-0020
    Topics: Biology , Medicine
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  • 7
    Publication Date: 2015-05-15
    Description: By magnetizing the fusion fuel in inertial confinement fusion (ICF) systems, the required stagnation pressure and density can be relaxed dramatically. This happens because the magnetic field insulates the hot fuel from the cold pusher and traps the charged fusion burn products. This trapping allows the burn products to deposit their energy in the fuel, facilitating plasma self-heating. Here, we report on a comprehensive theory of this trapping in a cylindrical DD plasma magnetized with a purely axial magnetic field. Using this theory, we are able to show that the secondary fusion reactions can be used to infer the magnetic field-radius product, BR , during fusion burn. This parameter, not ρR , is the primary confinement parameter in magnetized ICF. Using this method, we analyze data from recent Magnetized Liner Inertial Fusion experiments conducted on the Z machine at Sandia National Laboratories. We show that in these experiments BR ≈ 0.34(+0.14/−0.06) MG cm, a ∼ 14× increase in BR from the initial value, and confirming that the DD-fusion tritons are magnetized at stagnation. This is the first experimental verification of charged burn product magnetization facilitated by compression of an initial seed magnetic flux.
    Print ISSN: 1070-664X
    Electronic ISSN: 1089-7674
    Topics: Physics
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  • 8
    Publication Date: 2015-05-15
    Description: Magnetized Liner Inertial Fusion experiments performed at Sandia's Z facility have demonstrated significant thermonuclear fusion neutron yields (∼10 12 DD neutrons) from multi-keV deuterium plasmas inertially confined by slow (∼10 cm/ μ s), stable, cylindrical implosions. Effective magnetic confinement of charged fusion reactants and products is signaled by high secondary DT neutron yields above 10 10 . Analysis of extensive power, imaging, and spectroscopic x-ray measurements provides a detailed picture of ∼3 keV temperatures, 0.3 g/cm 3 densities, gradients, and mix in the fuel and liner over the 1–2 ns stagnation duration.
    Print ISSN: 1070-664X
    Electronic ISSN: 1089-7674
    Topics: Physics
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  • 9
    Publication Date: 2015-09-29
    Keywords: Emergency treatment of Stroke, Other Stroke Treatment - Medical
    Print ISSN: 0039-2499
    Electronic ISSN: 1524-4628
    Topics: Medicine
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  • 10
    Publication Date: 2015-07-29
    Description: Phytoplankton growth and biomass accumulation vary spatially and temporally in the Ross Sea, largely as a function of ice concentrations, vertical mixing depths, and iron concentrations. To assess the role of vertical mixing in bloom initiation, we used a high-resolution numerical model to estimate changes in mixed layer depths from October 1 through early December, the period where phytoplankton growth begins and biomass accumulates, and estimate critical depths for this period. Mixed layers in October ranged from the complete water column (〉600 m) to ca. 200 m; over a 60-day period, the mixed layers decreased on average by 70%. Estimated critical depths were exceeded in October, but would allow growth to proceed in late October due to shoaling of mixed layer depths, consistent with the known onset of the spring bloom in the Ross Sea. We also analysed a series of stations sampled near the Ross Ice Shelf during January 2012. Mean vertical profiles for the stations indicated deep vertical mixing; mixed layer depths averaged 60 m and ranged up to 96 m. Chlorophyll concentrations within the mixed layer averaged 6.60 µg l –1 , and the pigment contributions were dominated by Phaeocystis antarctica . We suggest that this mesoscale region near the ice shelf is elevated in phytoplankton biomass due to frequent mixing events that redistribute biomass to depth and replenish nutrients, which in turn are utilized by an assemblage capable of utilizing low mean irradiance levels. Thus, the deep mixed layers and high biomass concentrations represent growth over long periods under reduced mixing punctuated by short periods of deeper vertical mixing that redistribute biomass. Water column vertical mixing and phytoplankton biomass in the Ross Sea are consistent with the critical depth concept as originally proposed by Sverdrup.
    Print ISSN: 1054-3139
    Electronic ISSN: 1095-9289
    Topics: Biology , Geosciences , Physics
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