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  • Institute of Physics  (30)
  • Blackwell Publishing Ltd  (7)
  • Emerald
  • 2015-2019  (25)
  • 1995-1999  (8)
  • 1985-1989  (7)
  • 1
    Electronic Resource
    Electronic Resource
    The Effect of a Disturbance Corridor on an Ecological Reserve (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Restoration ecology 3 (1995), S. 0 
    Details
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of a pipeline corridor constructed through an ecological reserve in Southern California was investigated by assessing plant species composition and soil chemistry. A homogeneous plant community comprised primarily of exotic annuals was found along the entire length of the corridor. This community has low similarity to the adjacent native plant communities. Soil organic matter was significantly less on the disturbed corridor than in contiguous undisturbed areas. Both available nitrogen and extractable phosphorus values were greater in the disturbed corridor. By contrast, total nitrogen was significantly higher outside the pipeline. The more labile litter of the exotic annuals allows increased mineralization along the corridor than does the more recalcitrant litter of the native perennial shrubs in the undisturbed areas. Once established, the weedy exotic annual litter may completely turn over organic matter and nitrogen, favoring the persistence of the weedy annuals. These exotic annuals appear to be moving into three of the native communities - grassland, coastal sage, and oak woodland - that have less organic matter and a more open plant canopy. Poor restoration efforts can lead to the establishment of such exotics, subsequent invasion into the surrounding undisturbed habitat, and degradation of the reserve.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1526-100X.1995.tb00098.x
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  • 2
    Electronic Resource
    Electronic Resource
    L-660,631, a New Antifungal Agent (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 544 (1988), 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.1749-6632.1988.tb40401.x
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  • 3
    Electronic Resource
    Electronic Resource
    Host-Virus Interaction in Caprine Arthritis-Encephalitis (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 540 (1988), 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.1749-6632.1988.tb27195.x
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  • 4
    Electronic Resource
    Electronic Resource
    Comparison of Methods for Quantitation of Free Fatty Acids in Cheese (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A comparison of three relatively rapid methods of determining free fatty acids concentrations in cheese was performed by correlating the results with a more laborious but accurate gas chromatographic (GC) technique. Acid Degree Values were found to correlate poorly with the GC data, particularly for short chain fatty acids. Values obtained using a Copper Soap Method correlated closely with the GC data for total and long chain fatty acids, but did not correlate as well with short chain fatty acids levels. The Extraction-Titration Method was found to be a simple and reliable technique that yielded values which correlate closely with short chain fatty acid concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1988.tb07878.x
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  • 5
    Electronic Resource
    Electronic Resource
    Isolation, Purification, and Characterization of Lipase Isoenzymes from a Technical Aspergillus niger Enzyme (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A qualitative screening revealed the occurrence of lipase, esterase, protease, amylase, endo-1,4-β-D-glucanase, xylanase, pectinmethylesterase, polygalacturonase, catalase, β-D-glucosidase and β-D-galactosidase activities in the technical Aspergillus niger enzyme under study (Lipase 2212 D, Röhm). The isolation and purification of lipolytic activities were performed by combination of DEAE-Trisacryl M ion exchange chromatography, Sephadex G 50 gel filtration and hydrophobic chromatography using Phenylsepharose CL-4B. The individual purification steps were checked by specific enzyme visualization in ultrathin agar gels after ultrathin-layer isoelectric focusing (UIEF). Two UIEF homogeneous lipase isoenzymes (I and II) were isolated and characterized by the following parameters: isoelectric points (I: 4.0; II. 3.5); molecular weights (I: 31000 daltons; II: 19000 daltons); carbohydrate contents (I: 6%; II: 9%) and compositions; pH optima (I, II: 5-6); substrate specificities and various effectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1985.tb10574.x
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  • 6
    Electronic Resource
    Electronic Resource
    Quality in Germany - an overview (1998)
    Bradford : Emerald
    The @TQM magazine 10 (1998), S. 458-463 
    Details
    ISSN: 0954-478X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Regarding preventive quality management, Germany was lagging behind for many years. Managers relied on the famous mark "Made in Germany" for too long. They did not realize that international competition had tightened. However, times have changed. Starting with the boom in ISO certifications, Germany is getting back on track again. Today, total quality management and business excellence concepts are gaining ground. Positive trends regarding both applications for Germany's Ludwig-Erhard-Preis and the use of self-assessment show that the quality movement has got a new impetus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09544789810239218
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  • 7
    Electronic Resource
    Electronic Resource
    Total quality "down under": the Australian Quality Award - an innovative model for Business Excellence (1997)
    Bradford : Emerald
    The @TQM magazine 9 (1997), S. 217-220 
    Details
    ISSN: 0954-478X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Notes the importance of countries beyond Europe in terms of the contribution of valuable ideas to the development of TQM. Looks at the introduction of the Australian Quality Award and its development from 1988 to the present day. Examines in detail the criteria and purpose of the award.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09544789710169000
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  • 8
    Electronic Resource
    Electronic Resource
    Photosynthetic 14CO2 fixation and [15N]-ammonia assimilation during UV-B radiation of Lithodesmium variabile (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 70 (1987), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Uptake of [15N]-ammonia was more sensitive to UV-B exposure than the total 14CO2 fixation rate of Lithodesmium variabile Takano. Short-term UV-B radiation (15 min) had practically no effect on the kinetics of [15N]-ammonia, whereas there was an effect on [14C]-bicarbonate uptake rate. A significant reduction was found after 30 and 60 min UV-B stress. The time course of photosynthetic uptake of 15NH4Cl at several wavelengths was markedly depressed at shorter wavelengths (irradiation with WG 280). A short-term (11 min) exposure to ultraviolet radiation had no influence on the [14C]-labeled photosynthetic products. However, the [15N]-label of several amino acids and the ratio of [15N]-glutamine to [15N]-glutamic acid varied after irradiation with different ultraviolet wavebands. The results are discussed with reference to UV damage to the key enzymes of nitrogen metabolism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1987.tb02851.x
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  • 9
    Electronic Resource
    Electronic Resource
    The neuropathogenesis of HIV-1 infection (1999)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS immunology and medical microbiology 26 (1999), S. 0 
    Details
    ISSN: 1574-695X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: HIV encephalitis is the common pathologic correlate of HIV-dementia (HAD). HIV-infected brain mononuclear phagocytes (MP) (macrophages and microglia) are reservoirs for persistent viral infection. When activated, MP contribute to neuronal damage. Such activated and virus-infected macrophages secrete cellular and viral factors, triggering neural destructive immune responses. Our Center's laboratories have begun to decipher the molecular and biochemical pathways for MP-mediated neuronal damage in HAD. This review will discuss the salient clinical and pathological features of HAD and highlight the recent advances made, by our scientists and elsewhere, in unraveling disease mechanisms, including the role of chemokines and their receptors in the neuropathogenesis of HIV-1 encephalitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-695X.1999.tb01394.x
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  • 10
    Electronic Resource
    Electronic Resource
    Practice and implementation of self-assessment (1998)
    Bradford : Emerald
    International journal of quality science 3 (1998), S. 147-170 
    Details
    ISSN: 1359-8538
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Self-assessment based on TQM criteria frameworks has become a widespread management tool. Apart from the Malcolm Baldrige National Quality Award in the USA, the European Model for Business Excellence has become the most important framework of this kind for Europe. This article first reflects on how self-assessment basically fits into a total quality management context. It will be shown, that an integration with corporate planning is inevitable to guarantee the success of self-assessment in the long run. Most emphasis is placed on different approaches to self-assessment in a combination of case study evidence and literature review. The approaches include the assessment model of the European Foundation for Quality Management, a workshop approach, a pro forma approach and the so-called peer involvement approach to self-assessment. The presentation of these approaches is enhanced by the personal experiences of the authors from some 40 self-assessments they have coached.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/13598539810211969
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