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  • 1
    Series available for loan
    Series available for loan
    Hanover, NH : Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command
    Associated volumes
    Call number: ZSP-202-325
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Symbols. - Introduction. - Physical properties of ice, water and snow. - Electrical relations affecting the problem. - The dielectric constant. - Deloor's theory. - Wet snow application. - Experimental procedure. - Measurement technique. - Sample preparation. - Glass bead preparation. - Experimental results. - Wet snow results. - Glass bead results. - Experimental error. - Discussion. - Conclusions. - Recommendations. - Literature cited. - Selected bibliography. - Appendix A. The measurement of the complex dielectric constant in a shorted wave guide. - Appendix B. Evaluation of the effective particle shape factor and the effective dielectric properties in the immediate vicinity of average liquid and solid particles. - Appendix C. Experimental data. - Abstract.
    Description / Table of Contents: An accurate method of measuring liquid water in snow covers is required to determine the properties of wet snow. The dielectric properties of wet snow must be utilized to adequately measure its liquid water content. In this study the effect of liquid water on the complex dielectric constant of natural snow is determined in the microwave frequency range. Deloor's method for calculating the dielectric constant for mixtures and the results of waveguide experiments on samples of wet snow and glass beads are used to construct a calibration curve relating the measured dielectric loss factor directly to the water content of wet snow. The results are independent of porosity, past history and chemical impurities. A relation between the effective dielectric constant and the porosity and water content is proposed and tested, experimentally. The general nature of this relation is described and suggestions are made for the development of a more precise relation. It is concluded that the dielectric constant is a function of porosity and water content only.
    Type of Medium: Series available for loan
    Pages: vi, 33 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 325
    Branch Library: AWI Library
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  • 2
    Call number: PIK B 020-05-0259
    In: Dynamic modeling and econometrics in economics and finance
    Type of Medium: Monograph available for loan
    Pages: XI, 161 S. , graph. Darst.
    ISBN: 0387242791
    Series Statement: Dynamic modeling and econometrics in economics and finance 7
    Note: Erscheinungsjahr in Vorlageform:c 2005
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    London : Academic Press
    Call number: AWI A11-94-0221
    Type of Medium: Monograph available for loan
    Pages: XX, 574 S. , Ill., graph. Darst.
    Edition: 3. ed.
    ISBN: 0121189309
    Language: English
    Note: Contents: Preface. - PART I THE ELEMENTS OF AIR POLLUTION. - 1 The History of Air Pollution. - I. Before the Industrial Revolution. - II. The Industrial Revolution. - Ill. The Twentieth Century. - IV. The 1980s. - V. The 1990s. - VI. The Future. - References. - Suggested Reading. - Questions. - 2 The Natural versus Polluted Atmosphere. - I. The Atmosphere. - II. Unpolluted Air. - Ill. Particulate Matter. - IV. Concepts. - IV. Personnel. - V. Advisory Groups. - Suggested Reading. - Questions. - 3 Scales of the Air Pollution Problem. - I. Local. - II. Urban. - Ill. Regional. - IV. Continental. - V. Global. - Suggested Reading. - Questions. - 4 Air Quality. - I. Averaging Time. - II. Cycles. - Ill. Primary and Secondary Pollutants. - IV. Measurement Systems. - V. Air Quality Levels. - Reference. - Suggested Reading. - Questions. - 5 The Philosophy of Air Pollution Control. - I. Strategy and Tactics-The Air Pollution System. - II. Episode Control. - Ill. Air Quality Management Control Strategy. - IV. Alternative Control Strategies. - V. Economic Considerations. - Reference. - Suggested Reading. - Questions. - 6 Sources of Air Pollution. - I. General. - II. Combustion. - Ill. Stationary Sources. - IV. Mobile Sources. - V. Emission Inventory. - References. - Suggested Reading. - Questions. - PART II THE EFFECTS OF AIR POLLUTION. - 7 Effects on Human Health and Welfare. - I. Air-Water-Soil Interactions. - II. Total Body Burden. - Ill. The Human Respiratory System. - IV. Impact of Air Pollution on Humans. - V. Impact of Odor on Humans. - References. - Suggested Reading. - Questions. - 8 Effects on Vegetation and Animals. - I. Injury versus Damage. - II. Effects on Vegetation and Crops. - Ill. Effects on Forests. - IV. Effects on Animals. - References. - Suggested Reading. - Questions. - 9 Effects on Materials and Structures. - I. Effects on Metals. - II. Effects on Stone. - Ill. Effects on Fabrics and Dyes. - IV. Effects on Leather, Paper, Paint, and Glass. - V. Effects on Rubber. - References. - Suggested Reading. - Questions. - 10 Effects on the Atmosphere, Soil, and Water Bodies. - I. The Physics of Visibility. - II. Formation of Atmospheric Haze. - Ill. Effects of Atmospheric Haze. - IV. Visibility. - V. Acidic Deposition. - VI. Effects of Acidic Deposition. - References. - Suggested Reading. - Questions. - 11 Long-Term Effects on the Planet. - I. Global Warming. - II. Ozone Holes. - References. - Suggested Reading. - Questions. - PART III MEASUREMENT AND MONITORING OF AIR POLLUTION. - 12 Atmospheric Chemistry. - I. Types of Atmospheric Chemical Transformations. - II. Role of Solar Radiation in Atmospheric Chemistry. - Ill. Gas-Phase Chemical Reaction Pathways. - IV. Heterogeneous Reactions. - V. Scavenging and Removal from the Atmosphere. - References. - Suggested Reading. - Questions. - 13 Ambient Air Sampling. - I. Elements of a Sampling System. - II. Sampling Systems for Gaseous Pollutants. - Ill. Sampling Systems for Particulate Pollutants and PM10. - IV. Static Sampling Systems. - V. Sampler Siting Requirements. - VI. Sampling for Air Toxics. - References. - Suggested Reading. - Questions. - 14 Ambient Air Pollutants: Analysis and Measurement. - I. Analysis and Measurement of Gaseous Pollutants. - II. Analysis and Measurement of Particulate Pollutants. - Ill. Analysis and Measurement of Odors. - IV. Analysis and Measurement of Visibility. - V. Analysis and Measurement of Acidic Deposition. - References. - Suggested Reading. - Questions. - 15 Air Pollution Monitoring and Surveillance. - I. Stationary Monitoring Networks. - II. Mobile Monitoring and Surveillance. - Ill. Remote Sensing. - IV. Quality Assurance. - V. Data Analysis and Display. - References. - Suggested Reading. - Questions. - 16 Air Pathways from Hazardous Waste Sites. - I. Introduction. - II. Multimedia Transport. - Ill. Contaminant Fate Analysis. - IV. Modeling. - References. - Suggested Reading. - Questions. - PART IV THE METEOROLOGY OF AIR POLLUTION. - 17 The Physics of the Atmosphere. - I. Sun, Atmosphere System, and Heat Balance. - II. Stability and Instability. - Ill. Laws of Motion. - IV. Local Wind Systems. - V. General Circulation. - References. - Suggested Reading. - Questions. - 18 The Meteorological Bases of Atmospheric Pollution. - I. Ventilation. - II. Stagnation. - Ill. Meterological Conditions during Historic Pollution Episodes. - IV. Effects of Pollution on the Atmosphere. - V. Removal Mechanisms. - References. - Suggested Reading. - Questions. - 19 Transport and Dispersion of Air Pollutants. - I. Wind Velocity. - II. Turbulence. - Ill. Estimating Concentrations from Point Sources. - IV. Dispersion Instrumentation. - V. Atmospheric Tracers. - VI. Concentration Variation with Averaging Time. - References. - Suggested Reading. - Questions. - 20 Air Pollution Modeling and Prediction. - I. Plume Rise. - II. Modeling Techniques. - Ill. Modeling Nonreactive Pollutants. - IV. Modeling Pollutant Transformations. - V. Model Performance, Accuracy, and Utilization. - References. - Suggested Reading. - Questions. - 21 Air Pollution Climatology. - I. Sources of Data. - II. Representativeness. - Ill. Frequency of Atmospheric Stagnations. - IV. Ventilation Climatology. - V. Wind and Pollution Roses. - References. - Suggested Reading. - Questions. - PART V THE REGULATORY CONTROL OF AIR POLLUTION. - 22 Air Quality Criteria and Standards. - I. Air Quality Criteria. - II. Conversion of Effects Data and Criteria to Standards. - Ill. Conversion of Physical Data and Criteria to Standards. - IV. Conversion of Biological Data and Criteria to Standards. - V. Air Quality Standards. - Suggested Reading. - Questions. - 23 Indoor Air Quality. - I. Changing Times. - II. Factors Influencing Indoor Air Quality. - Ill. Indoor Air Pollutants. - IV. Effects of Indoor Air Pollutants. - V. Control of Indoor Pollutants. - References. - Suggested Readings. - Questions. - 24 The U.S. Clean Air Act Amendments of 1990. - I. Introduction. - II. Titles. - References. - Suggested Reading. - Questions. - 25 Emission Standards. - I. Subjective Standards. - II. Objective Standards. - Ill. Types of Emission Standards. - IV. Variant Forms of Emission Standards. - V. Means for Implementing Emission Standards. - References. - Suggested Reading. - Questions. - 26 The Elements of Regulatory Control. - I. Control of New Stationary Sources. - II. Control of Existing Stationary Sources. - Ill. Control of Mobile Sources. - IV. Air Quality Control Regions. - V. Tall Stacks and Intermittent and Supplementary Control Systems. - References. - Suggested Reading. - Questions. - 27 Organizations for Air Pollution Control. - I. Functions. - II. Organization. - Ill. Finance. - IV. Personnel. - V. Advisory Groups. - Suggested Reading. - Questions. - PART VI THE ENGINEERING CONTROL OF AIR POLLUTION. - 28 Engineering Control Concepts. - I. Introduction. - II. Process Change. - Ill. Fuel Change. - IV. Pollution Removal. - V. Disposal of Pollutants. - VI. Pollution Prevention. - References. - Suggested Reading. - Questions. - 29 Control Devices and Systems. - I. Introduction. - II. Removal of Dry Particulate Matter. - Ill. Removal of Liquid Droplets and Mists. - IV. Removal of Gaseous Pollutants. - V. Removal of Odors. - References. - Suggested Reading. - Questions. - 30 Control of Stationary Sources. - I. Introduction. - II. Energy, Power, and Incineration. - Ill. Chemical and Metallurgical Industries. - IV. Agriculture and Forest Products Industries. - V. Other Industrial Processes. - References. - Suggested Reading. - Questions. - Control of Mobile Sources. - I. Introduction. - II. Gasoline-Powered Vehicles. - Ill. Diesel-Powered Vehicles. - IV. Gas Turbines and J
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 4
    Description / Table of Contents: In the Earth sciences, the concept of fractals and scale invariance is well recognized in many natural objects. However, the use of fractals for spatial and temporal analyses of natural hazards has been less used (and accepted) in the Earth sciences. This book brings together 12 contributions that emphasize the role of fractal analyses in natural hazard research, including andslides, wildfires, floods, catastrophic rock fractures and earthquakes. A wide variety of spatial and temporal fractal-related approaches and techniques are applied to ‘natural’ data, experimental data and computer simulations. These approaches include probabilistic hazard analysis, cellular-automata models, spatial analyses, temporal variability, prediction and self-organizing behaviour. The main aims of this volume are (a) to present current research on fractal analyses as applied to natural hazards and (b) to stimulate the curiosity of advanced Earth science students and researchers in the use of fractals analyses for the better understanding of natural hazards.
    Pages: Online-Ressource (VII, 172 Seiten)
    ISBN: 9781862392014
    Language: English
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To investigate the roles of COX-2 in development and disease, stem cell technology was used to generate Cox-2 - / - mice (Fig. 1). The transcription and translation start sites of the COX-2 gene were removed in targeted cells. Chimaeric mice containing the targeted deletion were bred to produce ...
    Type of Medium: Electronic Resource
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  • 6
    Publication Date: 2016-12-15
    Description: Recurrent Pseudomonas aeruginosa infections coupled with robust, damaging neutrophilic inflammation characterize the chronic lung disease cystic fibrosis (CF). The proresolving lipid mediator, 15-epi lipoxin A4 (15-epi LXA4), plays a critical role in limiting neutrophil activation and tissue inflammation, thus promoting the return to tissue homeostasis. Here, we show that a secreted P. aeruginosa epoxide hydrolase, cystic fibrosis transmembrane conductance regulator inhibitory factor (Cif), can disrupt 15-epi LXA4 transcellular biosynthesis and function. In the airway, 15-epi LXA4 production is stimulated by the epithelial-derived eicosanoid 14,15-epoxyeicosatrienoic acid (14,15-EET). Cif sabotages the production of 15-epi LXA4 by rapidly hydrolyzing 14,15-EET into its cognate diol, eliminating a proresolving signal that potently suppresses IL-8–driven neutrophil transepithelial migration in vitro. Retrospective analyses of samples from patients with CF supported the translational relevance of these preclinical findings. Elevated levels of Cif in bronchoalveolar lavage fluid were correlated with lower levels of 15-epi LXA4, increased IL-8 concentrations, and impaired lung function. Together, these findings provide structural, biochemical, and immunological evidence that the bacterial epoxide hydrolase Cif disrupts resolution pathways during bacterial lung infections. The data also suggest that Cif contributes to sustained pulmonary inflammation and associated loss of lung function in patients with CF.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 7
    Publication Date: 2017-01-04
    Description: Recurrent Pseudomonas aeruginosa infections coupled with robust, damaging neutrophilic inflammation characterize the chronic lung disease cystic fibrosis (CF). The proresolving lipid mediator, 15-epi lipoxin A4 (15-epi LXA4), plays a critical role in limiting neutrophil activation and tissue inflammation, thus promoting the return to tissue homeostasis. Here, we show that a...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 8
    Publication Date: 1995-11-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 9
    Publication Date: 2021-06-29
    Description: The FLUXNET2015 dataset provides ecosystem-scale data on CO2, water, and energy exchange between the biosphere and the atmosphere, and other meteorological and biological measurements, from 212 sites around the globe (over 1500 site-years, up to and including year 2014). These sites, independently managed and operated, voluntarily contributed their data to create global datasets. Data were quality controlled and processed using uniform methods, to improve consistency and intercomparability across sites. The dataset is already being used in a number of applications, including ecophysiology studies, remote sensing studies, and development of ecosystem and Earth system models. FLUXNET2015 includes derived-data products, such as gap-filled time series, ecosystem respiration and photosynthetic uptake estimates, estimation of uncertainties, and metadata about the measurements, presented for the first time in this paper. In addition, 206 of these sites are for the first time distributed under a Creative Commons (CC-BY 4.0) license. This paper details this enhanced dataset and the processing methods, now made available as open-source codes, making the dataset more accessible, transparent, and reproducible.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 10
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    In:  http://aquaticcommons.org/id/eprint/15155 | 403 | 2014-05-29 07:14:00 | 15155 | United States National Marine Fisheries Service
    Publication Date: 2021-07-03
    Description: Spatial variation in demographic parameters of the red throat emperor (Lethrinus miniatus) was examined among 12 coral reefs in three geographic regions (Townsville, Mackay, and Storm Cay) spanning over 3° of latitude of the Great Barrier Reef, Australia. Estimates of demographic parameters were based on age estimates from counts of annuliin whole otoliths because there was no significant difference in age estimates between whole and sectioned otoliths. There were significant regional differences in age structures, rates of somatic and otolith growth, and total mortality. The Townsville region was characterizedby the greatest proportion of older fish, the smallest maximum size, and the lowest rates of otolith growth andtotal mortality. In contrast the Mackay region was characterized by the highest proportion of younger fish, the largest maximum size, and the highest rates of otolith growth and total mortality. Demographic parameters for the Storm Cay region were intermediate between the other two regions. Historic differences in fishing pressure and regional differences in productivity are two alternative hypotheses given to explain the regional patterns in demographic parameters. All demographic parameters were similar among the four reefs within each region. Thus, subpopulations with relatively homogeneous demographic parameters occurred on scales of reef clusters. Previous studies, by contrast, have found substantial between-reef variation in demographic parameters within regions. Thus spatial variation in demographic parameters for L. miniatus may differ from what is assumed typical for a coral-reeffish metapopulation.
    Keywords: Fisheries ; Management
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 673-683
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