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  • 2000-2004  (70)
  • 1995-1999  (136)
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  • 1
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Optical review 2 (1995), S. 424-433 
    ISSN: 1349-9432
    Keywords: optical disk ; disk noise ; media noise ; photoresist ; optical disk mastering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We developed a system to measure disk noise as a function of both radial and angular position. In order to obtain an accurate disk noise measurement, crosstalk and intersymbol interference were avoided by recording regularly repeating pit patterns and the influence of electronic and laser noise was removed by averaging techniques. We found the system’s mapping ability and its high sensitivity to be very useful in investigating disk noise phenomena in the mastering process. We used the system to assess the accuracy and reproducibility of the photopolymerization replication and Al vapor deposition processes. Also, we investigated the choice of photoresist and found that photoresists with the combination of the narrowest molecular weight distribution and the highest photo-active compound content resulted in the lowest disk noise levels. Our system can, in principle, be adapted to evaluate magneto-optical and phase change disks.
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  • 4
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Hypoxanthine-guanine-phosphoribosyltransferase (HGPRT; EC 2.4.2.8) was determined as an enzyme following an ordered bireaction in the presence of substrate inhibition due to hypoxanthine. This kind of inhibition has not been postulated for HGPRT so far. The mechanism and the kinetic constants of the reaction of HGPRT from Saccharomyces cerevisiae were investigated by initial velocity studies involving a non-linear regression analysis. In addition, two kinds of experimental designs were compared: the variation of hypoxanthine concentrations over wide ranges at different of fixed levels of 5-phosphoribosyl-1-pyrophosphate, and the use of five appropriate sets of experimental conditions each characterized by different hypoxanthine and 5-phosphoribosyl-1-pyrophosphate concentrations. Both experimental designs were consistent with an ordered bi bi mechanism including a dead-end-complex between the enzyme and hypoxanthine.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 217-222 (May 1996), p. 1547-1552 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    International journal of service industry management 8 (1997), S. 362-376 
    ISSN: 0956-4233
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Suggests that most research on internationalization of service firms has investigated how companies over time have developed their outward business operations. Finds, however, that some service firms, especially within the tourism industry, have chosen another way of handling international business operations, namely by marketing their services abroad, often helped by middlemen such as tour operators and travel agents, expecting customers to come to their home country where services are produced and consequently must be consumed. Uses three cases to describe and analyse the process of "inward internationalization", and to illustrate how the inward international activities may be carried out.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Information, technology & people 8 (1995), S. 19-34 
    ISSN: 0959-3845
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science , Sociology
    Notes: Much of the evaluative research on groupware in organizations sofar has been preoccupied with the role of groupware as a new interactionmedium to replace or extend face-to-face communication in groups. It hasfocused on gains and losses from a group interaction point of view,typically disregarding the impact of other functions such as groupaccess, and contribution to information concerning the organization.Attempts to bridge this gap with an action research into the effects ofthe introduction of an asynchronous groupware system to support businessprocess improvement groups in a service company based in Brazil. Theresearch suggests that improvements in business redesign efficiency andeffectiveness can be attained not only from asynchronous groupwaresupport to group communication, but also from public sharing ofhistorical information about previous business process improvementefforts, and by providing a repository of information about businessprocesses which could be candidates for improvement. Concludes with theproposal of an explanatory model, describing the relationship betweenthe introduction of technology, its integration with a business processimprovement meta-process, and its effects on the efficiency andeffectiveness of that meta-process.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Campus-wide information systems 14 (1997), S. 13-23 
    ISSN: 1065-0741
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science
    Notes: Describes an action research study of a computer-mediated business process redesign (BPR) group in a New Zealand university. The BPR group used an integrated BPR framework, which comprises a group process methodology, called MetaProi, and an asynchronous groupware tool. BPR group members were from two different departments and successfully redesigned two course-related processes. Reveals some possible effects of computer mediation on BPR groups, namely: lower demand for leadership skills, much lower overall running cost, and much lower degree of interaction. No impact on the group effectiveness was observed. Also indicates that computer mediation lowers barriers to, and, in turn, fosters more interdepartmental communication. This favours the occurrence of new BPR groups involving different departments. On the other hand, indicates that those groups lead to more threats to management, which can lead to lack of support from managers for future BPR groups. Finally, suggests that strategic BPR groups, as opposed to those dealing with local operational issues, can better benefit from computer mediation when this is combined with face-to-face and other types of oral interaction.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Business process management journal 2 (1996), S. 8-22 
    ISSN: 1355-2503
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Describes an empirical study of 15 business processes in three organizations. Business process data were collected in the context of action research projects where the researcher was involved in organizational development activities. Suggests that business processes tend to cut across different departments owing to a contemporary phenomenon - the specialization of knowledge. This leads to the specialization of work with the multiplication of functions and departments in organizations. Also suggests that 70 per cent or more of the product flow through business processes in organizations is made up of information. Discusses organizational implications of these results as regards organizational design and business process redesign focus.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Business process management journal 5 (1999), S. 238-254 
    ISSN: 1355-2503
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Process-focused improvement groups form the change dynamic in two world-class paradigms of change management - TQM and BPR. This paper outlines a research project that implemented and studied three occurrences of asynchronous groupware supported process improvement groups in a New Zealand tertiary education institution. Research data was collected during and after group discussions using discussion transcripts, participant observation, and structured and unstructured interviews of the participants. This paper reports the general success and failure factors that were developed from the material collected.
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