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  • 2000-2004  (19)
  • 1990-1994  (30)
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  • 1
    Online Resource
    Online Resource
    Advances in Marine Biology. (1991)
    San Diego :Elsevier Science & Technology,
    Details
    Keywords: Marine biology. ; Penaeidae. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (505 pages)
    Edition: 1st ed.
    ISBN: 9780080579504
    Series Statement: Issn Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=403355
    Language: English
    Note: Front Cover -- Advances in Marine Biology, Volume 27 -- Copyright Page -- Contents -- Preface -- Chapter 1. Introduction -- Chapter 2. Morphology -- I. External Morphology and Appendages -- II. Integument -- III. Muscular System. -- IV. Digestive System -- V. Circulatory System -- VI. Respiratory System -- VII. Antennal Glands -- VIII. Nervous System -- IX. Endocrine System -- X. Reproductive System -- XI. Larval Stages -- Chapter 3. Taxonomy -- I. Introduction -- II. Taxonomy of Adults -- III. Taxonomy of Larvae, Postlarvae and Juveniles -- Chapter 4. Zoogeography and Evolution -- I. Introduction -- II. Indo-West Pacific Region -- III. Eastern Pacific -- IV. Western Atlantic -- V. Eastern Atlantic -- VI . Distribution of Species by Region and Sub-region -- VII. Penaeid Zoogeography, the Fossil Record and Paleogeography -- Chapter 5. Physiology -- I. Digestion and Assimilation -- II. Nutrition -- III. Blood Composition and Transport -- IV. Metabolism -- V. Neural Integration -- VI . The Endocrine System -- VII. Osmotic and Ionic Regulation -- Chapter 6. Moulting and Growth -- I. Moulting -- II. Growth -- Chapter 7. Reproduction -- I. Morphology -- II. Gametogenesis -- III. Fecundity -- IV. Mating Behaviour -- V. Spawning -- VI . Fertilization -- VII. Embryology -- Chapter 8. Life Histories -- I. Life Cycle Types -- II. Seasonal Life-History Dynamics -- III. Migrations -- Chapter 9. Food and Feeding -- I. Food -- II. Feeding Behaviour -- III. Variation in Diet -- Chapter 10. Behavioural Responses to the Environment -- I. Burying, Emergence and Activity -- II. Light -- III. Tides, Current and Water Depth -- IV. Substratum -- V.Temperature -- VI.Salinity -- VII.Oxygen -- VIII.Endogenous rhythms -- Chapter 11. Predation on penaeids -- I. Penaeids as Prey -- II. Predators of Penaeids -- III. Defence Against Predators -- Chapter 12. Parasites. , I. Viruses -- II. Bacteria -- III. Fungi -- IV. Protozoa -- V. Platyhelminthes -- VI. Nematoda -- VII. Crustacea -- VIII. Behavioural Changes Induced by Parasites -- IX. Parasites as Biological Markers -- References -- Taxonomic Index -- Subject Index -- Cumulative Index of Titles -- Cumulative Index of Authors.
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  • 2
    Electronic Resource
    Electronic Resource
    Polymeric electro-optic phase modulators formed by self-alignment over channels etched into indium phosphide (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 4649-4651 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Waveguides which are single mode at a wavelength of 1.32 μm, and which have linear electro-optic properties, have been fabricated by spin coating polymers onto etched indium phosphide. The side-chain polymer, which comprises the core of the waveguide, develops linear electro-optic properties following an electric field alignment process. A phase modulator has been fabricated by this method and was found to have a switching voltage of 30 V, for a π phase change. The total insertion loss of the device was measured between single-mode lensed fibers to be 9.4 dB. The electro-optic coefficient of the core polymer was calculated from the switching voltage using the geometry of the device and found to range from 6 to 11×10−12 m/V.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.349056
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Kinetics of structure formation in electrorheological suspensions (1993)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 73 (1993), S. 4644-4648 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Kinetics of structure formation in electrorheological (ER) suspensions are characterized by the time required to form percolating fibers following application of an external electric field. Experimental results are compared with predictions from simulations using an electrostatic polarization model for ER suspensions. Results from the two approaches agree, with large response times at small concentrations, decreasing to 10 ms at large concentrations and field strengths of 2 kV/mm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.352759
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Effect on yield and dry-matter distribution of the stay-green characteristic in cultivars of forage maize grown in England (2003)
    Oxford, UK : Blackwell Science Ltd
    Grass and forage science 58 (2003), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: To test whether or not the ‘stay-green’ (SG) characteristic confers benefits in terms of crop yield or distribution of dry matter (DM) in selected forage maize cultivars, an experiment was conducted in 1998 and 1999 at two sites in England: Writtle College, Essex and the University of Leeds, West Yorkshire. Five SG and five conventional (C) cultivars of forage maize were grown in replicated field-scale plots at each site in both years. One-metre lengths of single rows in each plot were harvested by hand, leaving a 20-cm stubble, on four occasions each year over 3-week periods (harvest 1 to harvest 4), prior to the harvest of the remainder of the fields. Plants were chopped, mixed and a subsample taken for determination of DM content by oven-drying. Mean yields of whole plant DM were similar between SG and C cultivars. Both yield of DM and proportion of ear in the total plant DM increased from harvest 1 to harvest 4 (P 〈 0·01). The increase in DM yield between harvest 1 and harvest 4 was greater for C than for SG cultivars (P 〈 0·05). Within sites there were no differences in the concentration of whole plant DM between SG and C cultivars, which increased from harvest 1 to harvest 4 (P 〈 0·001). The proportion of ear DM in the whole plant DM tended to be higher for C than for SG cultivars in both years and increased (P 〈 0·001) from harvest 1 to harvest 4. The concentration of DM in the ear fraction was higher (P 〈 0·05) for C than for SG cultivars. We conclude that differences between SG and C cultivars of forage maize are likely to be relatively small when grown in the English climate and harvested after the same growing period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2494.2003.00377.x
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Recycling of sewage sludge to grassland: a review of the legislation to control of the localization and accumulation of potential toxic metals in grazing systems (2003)
    Oxford, UK : Blackwell Science Ltd
    Grass and forage science 58 (2003), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The recycling of sewage sludge or biosolids to grassland is strategically important in the European Union (EU) and its use is tightly regulated to control the risk of pathogen transfer to animals and the food chain. Sewage sludges not only contain valuable concentrations of beneficial nutrients, but also elevated concentrations of potentially toxic metals (PTM) compared with average background concentrations in the soil. The EC and UK regulations refer to six PTM, Cd, Pb, Cu, Zn, Ni and Hg, with provisional regulations for Cr, that have to be controlled to prevent detrimental effects on soil and animal health. Despite these regulations, there is still a danger that grazing animals may ingest elevated concentrations of PTM. Biosolids may adhere to herbage after the surface application of sewage sludge to grassland. The repeated surface application of sewage sludge to grassland can lead to elevated concentrations of PTM at the soil surface that may be ingested, together with soil and herbage, by grazing ruminants. This may lead to accumulation of Cd or Pb in liver or kidney. The risk to the human food chain is considered to be low, but the impact on the environment is still unknown. There is little information, for example, on the amount of soil and PTMs that may become incorporated into conserved grass. At present EU and UK legislation and voluntary codes of practice have been developed to protect animal from pathogens in sewage sludge and to minimize any potential risks from accumulation of PTM. The background and implementation of the legislation are examined in this review, and the source and mechanisms of accumulation of PTM by the grazing animal are evaluated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2494.2003.00365.x
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Investigating the relationship between the hair fiber proteome and hair quality (2004)
    Oxford, UK : Blackwell Science Ltd
    International journal of cosmetic science 26 (2004), S. 0 
    Details
    ISSN: 1468-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Many hair characteristics (e.g. color and curl) are genetically determined. Here, we investigated whether hair quality is also genetically controlled and related to differences in hair composition. Female, Caucasian subjects (n = 292) were recruited into this study and segmented by self-perceived hair quality and by permanent colorant usage. Hair fibers were collected and characterized by amino acid analysis, dry tensile elastic modulus testing and two-dimensional electrophoresis of hair protein extracts.Protein analysis revealed a string of 66 kDa proteins that correlated with hair of high quality. Loss of low molecular weight (14–29 kDa) proteins increased with colorant usage, particularly in hair of low quality. Amino acid analysis showed that the levels of serine and threonine across all the subjects followed bimodal frequency distributions suggestive of a genetic influence. Overall, data suggested that perception of quality was linked to high serine and threonine levels. In addition, where hair was colored, quality was associated with lower cysteic acid levels. Lower cysteic acid levels were not linked to lower colorant usage and our data suggest that high quality hair may be more resistant to colorant damage. Elastic modulus was significantly higher in hair of higher quality (4.65 GPa) compared to all medium and low quality hair combined (4.3 GPa), P 〈 0.02. This suggests a link between altered hair composition and mechanical properties. In conclusion, the composition and mechanical properties of hair have been linked to hair quality. We hypothesize that hair quality is thus likely to be genetically determined. Understanding of the links between hair composition and its properties could be utilized in the future for designing products targeted to each individual's hair make-up, and for producing diagnostic tools for determining hair quality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-2494.2004.00230_3.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Nonclassical symmetry solutions and the methods of Bluman–Cole and Clarkson–Kruskal (1993)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 34 (1993), S. 4692-4703 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Nonclassical symmetry solutions of physically relevant partial differential equations are considered via the reduction methods of Bluman and Cole and Clarkson and Kruskal. Consistency conditions will be provided to show that, if satisfied, these two methods are equivalent in the sense that they lead to the same symmetry solutions. The Boussinesq equation and Burgers' equation are used as illustrative examples. Exact solutions, one of which is new, will be presented for Burgers' equation obtained from the Bluman and Cole method, yet not obtainable by Clarkson and Kruskal's method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.530365
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  • 8
    Electronic Resource
    Electronic Resource
    Infrared, Raman, and coherent anti-Stokes Raman spectroscopy of the hydrogen/deuterium isotopomers of nitromethane (1991)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 95 (1991), S. 3037-3044 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100161a019
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  • 9
    Electronic Resource
    Electronic Resource
    Effects of Interspecific Competition on the Inheritance of Quantitative Traits in White Clover (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 110 (1993), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Analysis of a half diallel cross among four white clover cultivars, grown as monocultures and in mixtures (duocultures) with two separate perennial rye-grass cultivars, confirmed that for stolon and leaf number a higher proportion of the genetic variance in duocultures was non-additive. For canopy height and dry weight, however, this proportion was less affected by inter-specific competition. An additive-dominance model of gene action sufficed for all four characters in monocultures, but in duocultures epis-tasis was just one of the factors complicating the genetic picture. This, coupled with short-term reversals in the direction of dominance, merely illustrates the complexity of breeding white clover cultivars. Possible future developments in the breeding of white clover are discussed in the light of these results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1993.tb00580.x
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  • 10
    Electronic Resource
    Electronic Resource
    Disappearance of intraperitoneal gas following gynaecological laparoscopy (2002)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 57 (2002), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We investigated 25 day case gynaecological laparoscopy patients to determine the duration of the pneumoperitoneum, the rate at which residual gas disappeared and the relative contribution of this gas to pain in the early postoperative period. The volume of gas was calculated from measurements of the subdiaphragmatic gas bubble obtained from an erect chest X-ray. Each patient was X-rayed twice, either immediately prior to discharge and at 24 h post laparoscopy, or at 24 h and 48 h post surgery. Patients were contacted by telephone at 24 and 48 h to confirm fitness to return for the X-ray and at the same time verbal pain and activity scores were recorded. We found that residual gas was almost entirely gone by 48 h following surgery and that it appeared to reduce in an exponential manner. The contribution of this gas to postoperative pain was significant in the first 24 h, but by 48 h it was considerably reduced. We conclude that in day case gynaecological laparoscopy patients, postoperative pneumoperitoneum is short-lived, and that by 48 h its volume and contribution to postoperative pain should be minimal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.2002.02358.x
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