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  • 1
    Online Resource
    Online Resource
    The chemistry and physics of coatings (2007)
    Cambridge : Royal Society of Chemistry
    Details Availability
    Keywords: Coatings ; Paint ; Beschichtung ; Lack ; Anstrichstoff
    Description / Table of Contents: The Chemistry and Physics of Coatings provides an introduction to the science underpinning the paint (organic coatings) industry to graduate level chemists, The Chemistry and Physics of Coatings provides an introduction to the science underpinning the paint (organic coatings) industry to graduate level chemists who may have no previous knowledge of polymer-based technologies. This book stresses important physical phenomena such as rheology, film formation, and mechanical properties, their exploitation in paint, and the economic and legislative background against which coatings technology is tested. Attention is given to the chemistry of the polymers, pigments, and solvents that compose typical coatings, and the complex 'science and art' of formulating them effectively. The book also aims to give insights into the commercial application of the chemistries described, and includes a glossary of industry and polymer-related terms. Revised and updated, this second edition has been expanded to include separate chapters on binders for high solids and solvent-free coatings, inorganic and hybrid coatings and coatings formulation. There is also a new section on coatings additives. The Chemistry and Physics of Coatings will be of particular interest to graduates of materials and polymer sciences and related areas. It will also appeal to undergraduates, lecturers and those in the paint industry. Extracts from reviews of 1st Edition "! readable and surprisingly comprehensive ...In short this is an excellent book, which I recommend without hesitation." Journal of Materials Chemistry "..an informative and thoroughly recommended volume." Polymer International
    Type of Medium: Online Resource
    Pages: Online-Ressource (394 p.)
    Edition: 2nd rev. ed
    URL: https://doi.org/10.1039/9781847558206
    URL: http://www.gbv.de/dms/bowker/toc/9781847558206.pdf
    DOI: 10.1039/9781847558206
    RVK:
    VN 5750
    Language: English
    Note: Economics and the Environment: The Role of Coatings-- Present and Future Coatings Legislation and the Drive to Compliance-- The Rheology of Coatings-- Film Formation-- Performance Properties of Films-- Binders for Conventional Coatings-- Binders for High Solids and Solvent-free Coatings-- Binders for Waterborne Coatings-- Inorganic and Hybrid Coatings-- Coatings Components Beyond Binders-- The Science and Art of Paint Formulation-- Application and Applications-- Subject Index.
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  • 2
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    Nitrogen and phosphorus co-limitation of bacterial productivity and growth in the oligotrophic subtropical North Atlantic (2008)
    In:  EPIC3Limnology and Oceanography, Vol. 53, no. 2, pp. 824-834, ISSN: 0024-3590
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Scale- and location-dependent correlation of nitrous oxide emissions with soil properties: an analysis using wavelets (2004)
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    European journal of soil science 55 (2004), S. 0 
    Details
    ISSN: 1365-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: This paper shows how the wavelet transform can be used to analyse the complex spatial covariation of the rate of nitrous oxide (N2O) emissions from the soil with soil properties that are expected to control the evolution of N2O. We use data on N2O emission rates from soil cores collected at 4-m intervals on a 1024-m transect across arable land at Silsoe in England. Various soil properties, particularly those expected to influence N2O production in the soil, were also determined on these cores.We used the adapted maximal overlap discrete wavelet transform (AMODWT) coefficients for the N2O emissions and soil variables to compute their wavelet covariances and correlations. These showed that, over the transect as a whole, some soil properties were significantly correlated with N2O emissions at fine spatial scales (soil carbon content), others at intermediate scales (soil water content) and others at coarse spatial scales (soil pH). Ammonium did not appear to be correlated with N2O emissions at any scale, suggesting that nitrification was not a significant source of N2O from these soils in the conditions that pertained at sampling.We used a procedure to detect changes in the wavelet correlations at several spatial scales. This showed that certain soil properties were correlated with N2O emissions only under certain conditions of topography or parent material. This is not unexpected given that N2O is generated by biological processes in the soil, so the rate of emission may be subject to one limiting factor in one environment and a different factor elsewhere. Such changes in the relationship between variables from one part of the landscape to another is not consistent with the geostatistical assumption that our data are realizations of coregionalized random variables.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2389.2004.00620.x
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  • 4
    Electronic Resource
    Electronic Resource
    Wavelet analysis of the scale- and location-dependent correlation of modelled and measured nitrous oxide emissions from soil (2005)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    European journal of soil science 56 (2005), S. 0 
    Details
    ISSN: 1365-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: We used the wavelet transform to quantify the performance of models that predict the rate of emission of nitrous oxide (N2O) from soil. Emissions of N2O and other soil variables that influence emissions were measured on soil cores collected at 256 locations across arable land in Bedfordshire, England. Rate-limiting models of N2O emissions were constructed and fitted to the data by functional analysis. These models were then evaluated by wavelet variance and wavelet correlations, estimated from coefficients of the adapted maximal overlap discrete wavelet transform (AMODWT), of the fitted and measured emission rates.We estimated wavelet variances to assess whether the partition of the variance of modelled rates of N2O emission between scales reflected that of the data. Where the relative distribution of variance in the model is more skewed to coarser scales than is the case for the observation, for example, this indicates that the model predictions are too smooth spatially, and fail adequately to represent some of the variation at finer scales. Scale-dependent wavelet correlations between model and data were used to quantify the model performance at each scale, and in several cases to determine the scale at which the model description of the data broke down. We detected significant changes in correlation between modelled and predicted emissions at each spatial scale, showing that, at some scales, model performance was not uniform in space. This suggested that the influence of a soil variable on N2O emissions, important in one region but not in another, had been omitted from the model or modelled poorly. Change points usually occurred at field boundaries or where soil textural class changed.We show that wavelet analysis can be used to quantify aspects of model performance that other methods cannot. By evaluating model behaviour at several scales and positions wavelet analysis helps us to determine whether a model is suitable for a particular purpose.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2389.2004.00650.x
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  • 5
    Electronic Resource
    Electronic Resource
    Analysing spatially intermittent variation of nitrous oxide emissions from soil with wavelets and the implications for sampling (2004)
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    European journal of soil science 55 (2004), S. 0 
    Details
    ISSN: 1365-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Emissions of gases from the soil are known to vary spatially in a complex way. In this paper we show how such data can be analysed with the wavelet transform. We analysed data on rates of N2O emission from soil cores collected at 4-m intervals on a 1024-m transect across arable land at Silsoe in England. We used a thresholding procedure to represent intermittent variation in N2O emission from the soil as a sparse wavelet process, i.e. one in which most of the wavelet coefficients are not significantly different from zero. This analysis made clear that the rate of N2O emission varied more intermittently on this transect than did soil pH, for which many more of the wavelet coefficients had to be retained. This account of intermittent variation motivated us to consider a class of random functions, which we call wavelet random functions, for the simulation of spatially intermittent variation. A wavelet random function (WRF) is an inverse wavelet transform of a set of random wavelet coefficients with specified variance at each scale. We generated intermittent variation at a particular scale in the WRF by specifying a binormal process for the wavelet coefficients at this scale. We showed by simulation that adaptive sampling schemes are more efficient than ordinary stratified random sampling to estimate the mean of a spatial variable that is intermittent at a particular scale. This is because the sampling can be concentrated in the more variable regions. When we simulated values that emulate the intermittency of our data on N2O we found that the gains in efficiency from simple adaptive sampling schemes were small. This was because the emission of N2O is intermittent over several disparate scales. More sophisticated adaptive sampling is needed for these conditions, and it should embody knowledge of the relevant soil processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2389.2004.00629.x
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  • 6
    Electronic Resource
    Electronic Resource
    On the nonlinear theory of the long-wavelength radiative condensation instability (1993)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 5 (1993), S. 3417-3431 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Nonlinear evolution of the radiative condensation instability (RCI) of an optically thin plasma is investigated in the framework of a one-dimensional model. The model is applicable for motions either along a sufficiently strong magnetic field, when the transverse heat conduction is suppressed, or perpendicular to a straight, shear-free magnetic field. The long-wavelength limit of the RCI is considered when the characteristic radiative cooling time is much shorter than the acoustic (or magnetoacoustic) time. The case when the isochoric thermal mode is damped, while one of the two "acoustic'' (or "magnetoacoustic'') modes is unstable, is studied. Two different problems of the instability are considered. In the first, the heat conduction is negligible and the instability is described by a reduced set of equations, which formally coincide with those of a gas whose effective compressibility as a function of the density is of alternating sign. The study starts with small perturbations and follows them numerically into the nonlinear regime. It is shown that, during the first stage of the instability, cool plasma condensations develop, these being surrounded by rarefied and hot plasma regions. Subsequently the condensations expand unless mass inflow into the system is disallowed. The condensation boundaries represent a new type of shock wave which develops in such a "normal-anomalous'' gas dynamics. These shock waves have a monotonic density profile, but a nonmonotonic pressure profile. Properties of the shock waves are investigated analytically and numerically. If the mass inflow is disallowed, stable equilibrium condensations develop, the boundaries of which represent contact discontinuities. In the second problem, the heat conduction is relatively large, so that direct crossover between the long-wavelength limit and the heat conduction-dominated short-wavelength limit occurs. In this case also either static or expanding plasma condensations are shown to develop, depending on the boundary conditions. An analytical description of the static equilibria is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.860635
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Convulsive reaction following enflurane anaesthesia (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 39 (1984), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A case of convulsive muscle activity immediately after recovery from enflurane anaesthesia is reported. The implications for postoperative oxygen therapy and management are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1984.tb09453.x
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  • 8
    Electronic Resource
    Electronic Resource
    Laryngeal stenosis (1957)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 12 (1957), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1957.tb03610.x
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  • 9
    Electronic Resource
    Electronic Resource
    One lung anaesthesia (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 42 (1987), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ten patients about to undergo left-sided thoracotomy for carcinoma of the lung were entered into a crossover trial to compare cardiovascular and respiratory function during high frequency jet ventilation and conventional mechanical ventilation for one lung anaesthesia. All patients were anaesthetised with a standard technique using double lumen tubes and placed in the lateral position with the left chest open.The results showed no significant differences with regard to ventilation sequence but one lung high frequency jet ventilation gave higher values than one lung conventional ventilation for shunt (p 〈 0.01) and positive end expiratory pressure (p 〈 0.05) and lower peak inflation pressure values (p 〈 0.01). There were no significant differences in cardiac output, pulmonary capillary wedge pressure, arterial carbon dioxide or available oxygen.Surgical conditions were satisfactory during both methods of ventilation and satisfactory gas exchange occurred. It was, however, more difficult to assess adequacy of ventilation during high frequency jet ventilation and the routine use of this method of ventilation is not recommended during one lung anaesthesia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1987.tb05363.x
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  • 10
    Electronic Resource
    Electronic Resource
    Effects of Interleukin-5 Inhibition on Antigen-Induced Airway Hyperresponsiveness and Cell Accumulation in Guinea Pigs (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 725 (1994), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1994.tb39811.x
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