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  • 1
    Electronic Resource
    Electronic Resource
    National influences on European Works Councils in UK- and US-based companies (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Human resource management journal 13 (2003), S. 0 
    Details
    ISSN: 1748-8583
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The view that the role of European Works Councils (EWCs) is shaped predominantly by national industrial relations (IR) traditions in the company's country of origin derives largely from the experience of EWCs in companies based in continental Europe. This article argues that a more differentiated approach to the influence of national IR factors on EWCs needs to be developed to take account of the circumstances of companies headquartered in the UK and the US, whose national IR arrangements do not provide a strong institutional model for the EWC and, in the case of US-based companies, where headquarters management has little or no direct involvement in the EWC. Findings from comparative case studies of EWCs in eight UK- and US-based multinationals suggest that their character is shaped by the interplay between ‘country-of-origin’ factors,‘country-of-location’ factors and structural, company-specific considerations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-8583.2003.tb00106.x
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  • 2
    Electronic Resource
    Electronic Resource
    Strengthening learning processes in natural resource management in developing countries through interdisciplinary and problem-oriented learning (2003)
    Bingley : Emerald
    International journal of sustainability in higher education 4 (2003), S. 106-125 
    Details
    ISSN: 1467-6370
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Education
    Notes: In 1998 three Danish universities developed an interdisciplinary, problem-oriented curriculum in order to strengthen capacity-building capabilities in the area of environmental education, training and research at universities and research organisations in Malaysia and Thailand earmarked for environment and development assistance by the Danish government. The programme, which was partly implemented in developing countries as periods of fieldwork, represented important educational innovations. The purpose of this study was to evaluate these activities. The distinct principles forming the educational foundation of the programme were identified. These related to the curriculum organization, the learning tasks and the learning environment. The first step in a cogent evaluation process was to examine how the educational principles were oprerationalized into practical teaching/learning steps. In the next step, they formed the criteria for the evaluation. On the basis of quantitative and qualitative data it was shown that the programme fulfilled the stipulated accademic requirements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/14676370310467104
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The problem of pretreatment and unintentional variations in the fumigation-extraction method for time-course measurements in the field (1996)
    Springer
    Biology and fertility of soils 22 (1996), S. 167-170 
    Details
    ISSN: 1432-0789
    Keywords: Analytical variations ; Root intenference ; Root pre-extraction ; Fumigation-extraction ; Microbial biomass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A control soil stored at 4°C was analyzed 38 times by fumigation-extraction during a period of 11 months to correct for variations caused by the analytical procedure. The difference in extractable C between fumigated and unfumigated samples oscillated around the average without a positive or negative trend. When data from contemporaneously extracted field samples were corrected with control soil data the variations were lowered. The deviations between corrected and uncorrected biomass C values had maxima of ±12%. Data obtained for seven dates using pre-extraction, wet-sieving, and centrifuging were compared with data obtained by the conventional procedure without any pretreatment. A negative difference from data obtained without pretreatment was found when the soil water content was decreased to 6%. The largest positive difference (+38%) was found in May during the period of highest root growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384450
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  • 4
    Electronic Resource
    Electronic Resource
    High frequency electric fields for trapping of viruses (1996)
    Springer
    Biotechnology techniques 10 (1996), S. 221-226 
    Details
    ISSN: 1573-6784
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Combining dielectrophoretic and hydrodynamic forces in micro electrode structures allows enrichment and stable trapping of viruses in aqueous solutions. Fluorescently labelled Influenza and Sendai viruses were collected from solutions of 2*105 – 2*108 viruses/μl within a few seconds. In the central part of the trap a virus aggregate of about 2–9 μm in diameter was formed. This corresponds to a local enrichment of viruses up to a factor of about 1400.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00184018
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Einfluß des Wassergehalts von Böden auf die Extraktion von PAK (1997)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 69 (1997), S. 816-820 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330690611
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  • 6
    Electronic Resource
    Electronic Resource
    A traveling-wave micropump for aqueous solutions: Comparison of 1 g and μg results (1993)
    Weinheim : Wiley-Blackwell
    Electrophoresis 14 (1993), S. 764-772 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The operation of a micro-chip-based fluid circulator based on the interaction of a high-frequency traveling wave with a thermally generated inhomogeneity in an aqueous medium is investigated. The profiles of the electric field, the thermal gradient and the driving force within the device are derived numerically, and the dependence upon applied voltage under different experimental conditions is derived. The importance of convection in the operation of the device is assessed by operating it in various orientations, as well as under microgravity, and also by investigating the reversal and turn-on characteristics. The pump showed the unexpected ability to trap microparticles present in the driven fluid.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.11501401120
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Traveling-wave dielectrophoresis of microparticles (1992)
    Weinheim : Wiley-Blackwell
    Electrophoresis 13 (1992), S. 49-54 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The traveling-wave-induced linear transfer of dielectric particles like living cells and artificial objects of microscopic dimensions is analyzed. It is shown that the electrode geometries must correspond to particle sizes to allow an effective manipulation of particles immersed in weakly electrolytic solutions by high frequency traveling waves. The theoretical model elaborated in this paper is in good agreement with experimental results obtained in microfabricated chambers of linearly arranged electrodes. It explains the behavior of homogeneous cellulose spheres as well as that of membrane-covered pine polls. The traveling-wave-driven electrodes are described by a superposition of time-dependent point charges. Subsequently, each of these point charges has to be considered as polarizing the dielectric particle and interacting with the polarized particle. This results in forces which effectively translocate the particle.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150130110
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