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  • 2005-2009  (851)
  • 1945-1949  (16)
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  • 1
    Publication Date: 2020-02-12
    Type: info:eu-repo/semantics/article
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 633-634 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM an investigation into the chemical mechanisms involved in the conversion of fibrinogen into a fibrin gel, it appears that the conversion occurs in at least two stages. The first stage is marked by the liberation of thiol groups in the fibrinogen molecule. The second stage is an oxidation ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 1004-1004 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE reactions following light absorption by pure organic disulphides in solution have not been studied, although the reactions are of great importance in the chemistry of wool, affecting both felting and shrinkage of the wool1,2. Similar reactions occur in irradiated ...
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 54 (2005), S. 0 
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Both bacteria and fungi play critical roles in decomposition processes in many natural environments, yet only rarely have they been studied as an integrated community. We examined whether physical associations exist between individual bacterial and fungal species that co-occur on decaying smooth cordgrass, Spartina alterniflora, in a south-eastern US salt marsh. Fungal-pervaded decaying Spartina was used as “bait” for potential bacterial associates. The bundles (infiltrated with one of three dominant fungal members of the decomposer assemblage, or an autoclaved control) were placed in a salt marsh and collected biweekly for 6 weeks during the first experiment (late summer 2002), and weekly for 3 weeks during the second experiment (early summer 2003). Terminal-restriction fragment length polymorphism (T-RFLP) analysis of 16S rRNA genes was used to track colonization by bacterial taxa in association with the established fungal species. T-RFLP analysis of 18S-to-28S internal transcribed spacer (ITS) regions was used to monitor changes in fungal communities once bundles had been placed in the field. Results from both years were nearly identical, and showed that invasion by fungi other than the bait species was slow, resulting in a virtual fungal monoculture for several weeks into the experiments. Surprisingly, bacterial communities were unaffected by the identity of the fungal bait. Regardless of the fungal species, and even in the absence of prior fungal colonization, bacterial 16S rRNA profiles were remarkably similar. These results suggest that few species-specific associations, either positive or negative, exist between bacterial and fungal members of the Spartina decomposer community during initial colonization.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Industrial and commercial training 37 (2005), S. 309-313 
    ISSN: 0019-7858
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - To explain some of the dynamics of scripts creation as used in training, to offer a sequence of events to use in creating a performance script, and to offer some examples of how script creation is applied in training activities. Design/methodology/approach - The paper explains in detail and demonstrates the general processes of script creation for training uses. The design of the paper is to present, in sequence, a generalized script creation process, and evidence of the efficacy of script creation. Findings - While there is not a lot of research available to practitioners about script creation uses in training, the research that does exist gives credible support for script creation applications. There is a body of research in cognition and cognitive processes that tangentially treats script behavior. However, that body of research is highly technical and esoteric and not of practical value to most practitioners. Practical implications - The script creation processes and supporting information give practitioners a considered view of some useful training applications and generally add to the toolbox of trainers and facilitators. A sequence of events is offered that may be tailored for a specific training application. The script creation process, in general, offers a model for trainers to consider in applications such as exploration of new skills, skills improvement, continuous performance improvement and change initiatives, among others. Originality/value - As far as the author knows, there is no generally available model or template for script creation activities in a training context. This paper helps to address the matter. Of value to practitioners and managers is the explication of a general, malleable model for training activities that is grounded on sound learning and motivation theory.
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  • 6
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Industrial and commercial training 37 (2005), S. 3-9 
    ISSN: 0019-7858
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - To explain and demonstrate an interactive approach to skill development and knowledge attainment that may serve varied purposes for employee learning and development. Design/methodology/approach - The paper explains in detail and demonstrates the process of skill charting. Skill charting is an interactive, constructivist approach to learning. The process, as a training design, is contrasted with a more traditional training design to demonstrate how performance was improved. Findings - Team leaders trained with skill charting performed more effectively, in general, with regard to several performance behaviors than did a comparable group of team leaders trained with other methods. The findings support the efficacy of skill charting as a process. Practical implications - The skill charting process as presented in this paper adds to the tool-box of the professional trainer, the human resources specialist, and managers. The process, as a sequence of events, offers a template for a variety of employee development activities. The process can be used for training purposes, for exploration of new skills, for some change initiative, and for other purposes. The approach involves employees directly in performance improvement as well as increasing the likelihood that changes in work practices will achieve greater employee acceptance. Originality/value - The skills-charting process offers a practical tool and multi-faceted resource. While related to quality improvement tools such as the Affinity Diagram and the Relationship Diagram, the process offers a wide range of training and development possibilities that spring from graphical and representational origins. The grounding of the approach in transformative and constructivist learning concepts establishes strong motivational prompts for participants.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    British food journal 107 (2005), S. 702-713 
    ISSN: 0007-070X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Purpose - Case studies are a valuable, yet often undervalued vehicle for communicating applied industry-related research data. The British Food Journal, along with other journals, regularly receives case study papers yet in general terms, instructions on how they are best written is lacking. The purpose of this article is to provide advice on writing case studies for publication in a food-related journal. Design/methodology/approach - Approaches to writing case studies in other subject disciplines were reviewed and adapted for reporting food related case studies. Findings - Different forms of case studies are described and how they could be used to disseminate or communicate food related research/practitioner interventions is discussed. Suggestions for ensuring/maximising the quality of qualitative or quantitative case study submissions are presented. A template for writing case studies is provided and ethical considerations are discussed. Originality/value - The article describes for the first time, advice and considerations on writing case studies for publication in a food-related journal.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Kybernetes 34 (2005), S. 1440-1455 
    ISSN: 0368-492X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science
    Notes: Purpose - To show the successful use of self-organising fuzzy control in enhancing dynamic optimisation, a controller is used to direct the type of optimisation appropriate in each new dynamic problem. The system uses its experiences to determine which approach is most suitable under varying circumstances. Design/methodology/approach - A knowledge extraction tool is used to gain basic information about the solution space with a simple computation. This information is compared with the fuzzy rules stored in the system. These rules hold a collection of facts on previous successes and failures, which were acquired through the performance monitor. Using this system the controller directs the algorithms, deciphering the most appropriate strategy for the current problem. Research limitations/implications - This procedure is designed for large scale dynamic optimisation problems, where a portion of the computational time is sacrificed to allow the controller to direct the best possible solution strategy. The results here are based on smaller scale systems, which illustrate the benefits of the technique. Findings - The results highlight two significant aspects. From the comparison of the three algorithms without the use of the controller, a pattern can be seen in how the algorithms perform on different types of problems. Results show an improvement in the overall quality when the controller is employed. Originality/value - This paper introduces a novel approach to the problem dynamic optimisation. It combines the control ability of self-organising fuzzy logic with a range of optimisation techniques to obtain the best possible approach in any one situation.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] Acute myelogenous leukemia (AML) is the most common adult leukemia, characterized by the clonal expansion of immature myeloblasts initiating from rare leukemic stem (LS) cells. To understand the functional properties of human LS cells, we developed a primary human AML xenotransplantation model ...
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  • 10
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Autoimmune diseases are thought to result from imbalances in normal immune physiology and regulation. Here, we show that autoimmune disease susceptibility and resistance alleles on mouse chromosome 3 (Idd3) correlate with differential expression of the key immunoregulatory cytokine interleukin-2 ...
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