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  • 1
    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
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Electrophoresis 13 (1992), S. 49-54 
    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
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  • 3
    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
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  • 4
    Publication Date: 2019-05-03
    Description: Seit 2000 ist eine kontinuierliche Zunahme europäischer Unternehmensverhandlungen und -vereinbarungen zu Themen wie Chancengleichheit, Arbeitssicherheit, Umgang mit Unternehmensrestrukturierungen oder Gewinnbeteiligungen zu beobachten. Damit ist – so die Ausgangsthese dieses Beitrags – eine neue Entwicklungsphase europäischer Unternehmensarbeitsbeziehungen eröffnet. Eine einheitliche Vereinbarungsordnung hat sich angesichts der voluntaristischen Aushandlungsbedingungen dabei bislang nicht herausgebildet. Dies gilt insbesondere auch hinsichtlich der Rollenteilung zwischen Europäischen Betriebsräten (EBR) und Gewerkschaften, einer politisch strittigen Frage, die im Zentrum des Beitrags steht. Die empirischen Befunde zeigen, dass sich im untersuchten Metallsektor mit EBR-zentrierten und gewerkschaftszentrierten Verhandlungen zwei Prozessmuster gegenüberstehen, die wiederum auf Stammlandeffekte und nationale Arbeitsbeziehungstraditionen zurückzuführen sind. Dabei ist auch im Fall EBR-zentrierter Verhandlungen eine bewusste Abkopplung der europäischen Unternehmensverhandlungen von gewerkschaftlichem Einfluss bislang nicht zu beobachten.
    Description: Since the early 2000s, the number of negotiations and agreements at European company level on issues such as transnational restructuring, health and safety policies, profit sharing and equal opportunities has increased steadily. The central starting point of this article is that European company-level industrial relations have thus entered into a new phase. Given the voluntaristic bargaining conditions at European company level, a uniform order of negotiations has not yet emerged. This applies in particular to the division of labour between European Works Councils (EWCs) and trade unions – a contentious question which is at the core of this contribution. The empirical evidence collected in the metal sector shows that two basic bargaining patterns can be observed: an EWC-centred approach and a trade union-centred bargaining approach, both of which are based on country-of-origin effects and national industrial relations traditions. However, even in the case of EWC-centred negotiations, a deliberate decoupling of European company-level bargaining from trade union influence has so far not be observed.
    Keywords: J51 ; J52 ; J53 ; ddc:330 ; European industrial relations ; European company bargaining ; transnational company agreements ; European Works Councils
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: German
    Type: doc-type:article
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  • 5
    Publication Date: 2019-01-15
    Keywords: ddc:330 ; Betriebsrat ; Multinationales Unternehmen ; Betriebsverfassung ; EU-Staaten
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: German
    Type: doc-type:workingPaper
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  • 6
    Publication Date: 2016-04-21
    Description: Der vielschichtige und dynamische Prozess der Globalisierung, der nicht zuletzt durch eine wachsende Zahl global agierender Konzerne und durch deren veränderte transnationale Strukturen und Strategien vorangetrieben wird, wirft die Frage nach der Entwicklung transnationaler Arbeitsbeziehungen auf, die räumlich und politisch den Herausforderungen der Konzernglobalisierung Rechnung tragen.Auf dem Erfahrungshintergrund einer vergleichenden Fallanalyse von acht Global Players in vier Branchen werden die Wege und Instrumente, die Möglichkeiten und Grenzen grenzübergreifender Interessenvertretung durch Gewerkschaften und betriebliche Arbeitnehmervertreter analysiert.Das Arbeitspapier skizziert zum einen die Rollen und Strategien der Akteure (betriebliche Arbeitnehmervertreter, Management, nationale und internationale Gewerkschaften) bei der Entwicklung transnationaler Strukturen, Regeln und Normen auf globaler Konzernebene.Zum anderen werden die verschiedenen Instrumente exemplarisch vorgestellt. Im einzelnen sind dies globale konzernbezogene gewerkschaftliche Netze, die konzernbezogene Vernetzung betrieblicher Basisaktivisten, die Weltbetriebsräte, die transnational erweiterte Unternehmensmitbestimmung und die globalen Vereinbarungen zur Sicherung sozialer Mindeststandards. Abschließend werden die Potenziale und Reichweiten sowie das mögliche Zusammenwirken dieser verschiedenen Instrumente reflektiert.
    Keywords: ddc:330 ; Multinationales Unternehmen ; Konzern ; Arbeitsbeziehungen ; Deutschland ; Internationaler Betriebsrat
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: German
    Type: doc-type:workingPaper
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  • 7
    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
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  • 8
    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
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  • 9
    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
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  • 10
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