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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer-Verlag Berlin Heidelberg
    Keywords: Medicine ; Radiology, Medical ; Oncology ; Biomedical engineering ; Medicine & Public Health ; Biomedical engineering ; Oncology ; Radiology, Medical ; Medicine ; Magnetic Resonance Imaging methods ; Neoplasms diagnosis ; Contrast Media ; Aufsatzsammlung ; Krebs ; Kernspintomografie ; Kontrastmittel
    Description / Table of Contents: Dynamic contrast-enhanced MRI is now established as the methodology of choice for the assessment of tumor microcirculation in vivo. This is assisting clinical practitioners in the management of patients with solid tumors and is finding prominence in the assessment of tumor treatments, including anti-angiogenics, chemotherapy, and radiotherapy. In this book, targeted at both clinical practitioners and basic scientists, the principles of the methods, their practical implementation, and their application to specific tumor types are discussed by the leading authorities in the field today. The book will serve as an invaluable single-volume reference covering all the latest developments in contrast-enhanced oncological MRI.
    Type of Medium: Online Resource
    Pages: Online-Ressource (XII, 311 p. 110 illus. in 295 sep. illus., 85 in color, digital)
    ISBN: 9783540264200
    Series Statement: Medical Radiology, Diagnostic Imaging
    RVK:
    Language: English
    Note: Includes bibliographical references and index , An Introduction to Dynamic Contrast-Enhanced MRI in Oncology; Contrast Agents for Magnetic Resonance Imaging; The Role of Blood Pool Contrast Media in the Study of Tumor Pathophysiology; Quantification of Dynamic Susceptibility Contrast T2* MRI in Oncology; Measuring Contrast Agent Concentration in T1-Weighted Dynamic Contrast-Enhanced MRI; Tracer Kinetic Modelling for T1-Weighted DCE-MRI; Imaging Techniques for Dynamic Susceptibility Contrast-Enhanced MRI; Consensus Recommendations for Acquisition of Dynamic Contrasted-Enhanced MRI Data in Oncology , Dynamic Contrast-Enhanced MRI in Cerebral TumoursDynamic Magnetic Resonance Imaging in Breast Cancer; Dynamic Contrast-Enhanced MR Imaging for Predicting Tumor Control in Patients with Cervical Cancer; Dynamic Contrast-Enhanced MRI of Prostate Cancer; Dynamic Contrast-Enhanced MR Imaging in Musculoskeletal Tumors; Dynamic Contrast-Enhanced MRI in the Liver; Use of Dynamic Contrast-Enhanced MRI in Multi-Centre Trials with Particular Reference to Breast Cancer Screening in Women at Genetic Risk; Applications of Dynamic Contrast-Enhanced MRI in Oncology Drug Development
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  • 2
    Keywords: Environmental pollution ; Climatic changes ; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution ; Water pollution. ; Water quality. ; Environmental management. ; Environmental health. ; Hydrology. ; Climate change.
    Description / Table of Contents: 1. Introduction to urban stormwater – A global perspective -- 2. Stormwater harvesting and flood mitigation – A UK perspective -- 3. Urban Water Quality -- 4. Water Sensitive Urban Design (WSUD) -- 5. Recycling and treatment of water under urban intensification -- 6. Storm Water Harvesting -- 7. Urban Stormwater & Flood Management -- 8. Biodiversity and ecosystem services in relation to the management of stormwater and the mitigation of floods
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XV, 199 p. 27 illus., 7 illus. in color)
    ISBN: 9783030118181
    Series Statement: Applied Environmental Science and Engineering for a Sustainable Future
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 502-502 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Beneath the title of an advertise-ment in Nature (11 November 1993, facing page 129) headed "ApoE predicts Alzheimer" was the quotation "... a common marker for a devastating and frightening disease must provide the im-petus for social and legislative change. Our thinking of Alzheimer's ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of bioeconomics 1 (1999), S. 191-203 
    ISSN: 1573-6989
    Keywords: insect mating ; scaling rules ; sexual selection ; sperm competition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Economics
    Notes: Abstract In dung flies, copula duration $$(\bar t)$$ decreases, and the proportional rate of sperm transfer $$(\bar c)$$ increases, as male body size becomes larger. From a marginal value approach to optimal copula duration, we show that these relationships result in the product, $$\bar c \cdot \bar t$$ , remaining approximately constant across the range of male body size. The expected proportion of a female's eggs fertilized by a copulating male, equivalent to 〈1 − e−c·t 〉, is likewise invariant with male body size. (Overbars and 〈 〉 refer to the averages over female sizes). We assume that the information or cues a male can perceive about females forms a set of discrete “recognition categories”, each of which is uniquely recognizable by a male, but within which he cannot discriminate. There are then likely to be different male optima for the product $$\bar c \cdot \bar t$$ between categories. But the invariance rules still hold within categories, independently of exactly what the recognition categories are, provided that all males perceive the same categories. For example, suppose that males of all sizes categorise females as either 'large', 'medium', or 'small'. Then though the optimal male strategy (product $$\bar c \cdot \bar t$$ ) for (say) 'large' females may differ from the corresponding optima for the other two categories, it remains constant with male size across all the 'large' females. Further, the product $$\bar c \cdot \bar t$$ should remain constant for all male sizes if we take the average across all females, or across any subset of recognition categories. We believe that these conclusions have general applicability and implications for optimal foraging under the marginal value theorem, and demonstrates how we can sometimes make predictions (e.g. the relation between copula duration and male body size in dungflies) without determining exactly what a forager 'knows'.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Plant ecology 80 (1989), S. 167-181 
    ISSN: 1573-5052
    Keywords: DCA ; Indicator analysis ; Ordination ; TWINSPAN
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Data from 300 forest stands, scattered over 29 states within the eastern North American deciduous forest, were subjected to detrended correspondence analysis (DCA) and two-way indicator species analysis (TWINSPAN) in an effort to identify classifiable units. Most species are widespread which provide a great deal of continuity in the vegetation. The deciduous forest can be divided into three forest regions: (1) northern, (2) central and (3) southern. The northern region corresponds to the hemlock-white pine-northern hardwood forest of Braun (1950). The central region includes the beech-maple and oak-hickory forests. The beech-maple as identified here includes the mixed mesophytic, beech-maple, maple-basswood and about half of the western mesophytic forests of Braun (1950). The oak-hickory includes Braun's oak-hickory, oak-chestnut and about half of the western mesophytic forests. The southern region coincides with the southern mixed hardwood forests.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Plant ecology 85 (1989), S. 1-11 
    ISSN: 1573-5052
    Keywords: Foliage-height profile ; LAI ; Leaf community ; Litter phenology ; Stratification ; Vertical structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A combination of optical measurements of leaf heights and observations on litterfall provided a vertical and temporal description of the leaf community structure in a tall, Liriodendron forest on the Maryland coastal plain. Leaf area, mass, and number were bimodally distributed with height. Median leaf number occurs far below (7–8 m) and median leaf mass far above (22–23 m) the median leaf area (18–19 m). Tree species exhibited leaf stratification into 3 height levels: understory (0–10 m), mid canopy (10–25 m), and overstory (25–37 m). Species leaf area in litterfall was related to the species basal area, although representation of leaf number in litterfall was not correlated with stem numbers for species in the stand. Species also showed a clear phenological sequence of leaf fall.
    Type of Medium: Electronic Resource
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