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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

An investigation into the cost-effectiveness of high density interconnect technologies for associative string processors

McKirdy, Raymond Daniel January 1989 (has links)
No description available.
2

Editorial Performance Engineering of Communication Systems and Applications

Awan, Irfan U. 19 November 2012 (has links)
No
3

The effects of customer orientation on the performance of information systems departments

Setlogelo, Nkae 22 April 2008 (has links)
This research report examines the effect of the customer orientation of an Information Systems (IS) department on its performance. Customer orientation has been cited as a contributor to and determinant of organisational performance in marketing literature. This study determined that this is applicable to the IS context. Customer orientation literature from the marketing context was examined and customer orientation measures from marketing adapted for the IS context. The key dimensions of customer orientation from marketing literature are communication, understanding, service delivery, service systems, skills, innovation, alignment and leadership support. Through a study of 98 South African organisations, this study found that there is a direct relationship between the customer orientation of IS departments and IS department performance. This study contributes towards encouraging customer orientation in IS departments and bringing to the forefront the value of customer orientation in Information Systems management.
4

Exergy Analysis in Buildings : A complementary approach to energy analysis

Molinari, Marco January 2009 (has links)
<p>Though mandatory to be pursued, improved energy efficiency is not the only target to reach. The quality of energy has to be assessed as well. Most of the overall energy use in residential building is for low temperature heat, i.e. temperatures relatively close to the outdoor conditions. From a thermodynamic point of view, this is a degraded form of energy with low potential to be converted into work. On the other hand energy demand is mostly met with high quality energy, such as electricity and natural gas. There is a mismatch between supply and demand, which is not clearly shown by the sole energy analysis. Target of this thesis is to analyze the energy use in buildings from the point of view of its quality, to provide effective theoretical and calculation tools to investigate this mismatch, to assess its magnitudo and to propose improvements aiming at a more rational use of the energy. The idea behind the quality is clarified with the concept of exergy.</p><p>The potential for improvement in space heating is shown. In no heating system the overall exergy efficiency is above 20%, with fossil fuels. Using direct electricity heating results in exergy efficiency below 7%. Most of the household appliances processes have low-exergy factors but still are supplied with electricity. This results in poor exergy efficiencies and large exergy losses.</p><p>Systems are poorly performing because little consideration is explicitly given to energy quality. Policies to lower the energy demand, though vital as first step towards an improved use of energy, should not neglect the exergy content.</p><p>The problem is then shifted to find suitable supplies. Electricity can be exploited with low exergy losses with high-COP heat pumps. Use of fossil fuels for heating purposes should be avoided. District heating from cogeneration and geothermal proves to be a suitable solution at the building level. The issues connected to its exploitation forces to shift the boundary layers of the analysis from the building level to the community level. A rational use of energy should address the community level. The system boundaries have to be enlarged to a dimension where both the energy conversion and use take place with reduced energy transportation losses. This is a cost-effective way to avoid the waste of the exergy potential of the sources with exergy cascade and to make it possible the integration of with renewable sources. Exergy efficiency of the buildings is a prerequisite for a better of energy in this field.</p> / IEA ECBCS Annex 49: Low Exergy Systems for High Performance Buildings and Communities / ESF Cost C24: Analysis and Design of Innovative Systems for Low-EXergy in the Built Environment: COSTeXergy
5

Measuring adaption to shiftwork /

Reid, Kathryn J. January 1998 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, Dept. of Obstetrics and Gynaecology, 1999. / Includes bibliographical references (leaves 242-268).
6

An empirical investigation of the effects of coaction facilitation on task outcomes and process perceptions of decision-making groups within the group support system context

Yuen, Sze-ling. January 2004 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2005. / Title proper from title frame. Also available in printed format.
7

Exergy Analysis in Buildings : A complementary approach to energy analysis

Molinari, Marco January 2009 (has links)
Though mandatory to be pursued, improved energy efficiency is not the only target to reach. The quality of energy has to be assessed as well. Most of the overall energy use in residential building is for low temperature heat, i.e. temperatures relatively close to the outdoor conditions. From a thermodynamic point of view, this is a degraded form of energy with low potential to be converted into work. On the other hand energy demand is mostly met with high quality energy, such as electricity and natural gas. There is a mismatch between supply and demand, which is not clearly shown by the sole energy analysis. Target of this thesis is to analyze the energy use in buildings from the point of view of its quality, to provide effective theoretical and calculation tools to investigate this mismatch, to assess its magnitudo and to propose improvements aiming at a more rational use of the energy. The idea behind the quality is clarified with the concept of exergy. The potential for improvement in space heating is shown. In no heating system the overall exergy efficiency is above 20%, with fossil fuels. Using direct electricity heating results in exergy efficiency below 7%. Most of the household appliances processes have low-exergy factors but still are supplied with electricity. This results in poor exergy efficiencies and large exergy losses. Systems are poorly performing because little consideration is explicitly given to energy quality. Policies to lower the energy demand, though vital as first step towards an improved use of energy, should not neglect the exergy content. The problem is then shifted to find suitable supplies. Electricity can be exploited with low exergy losses with high-COP heat pumps. Use of fossil fuels for heating purposes should be avoided. District heating from cogeneration and geothermal proves to be a suitable solution at the building level. The issues connected to its exploitation forces to shift the boundary layers of the analysis from the building level to the community level. A rational use of energy should address the community level. The system boundaries have to be enlarged to a dimension where both the energy conversion and use take place with reduced energy transportation losses. This is a cost-effective way to avoid the waste of the exergy potential of the sources with exergy cascade and to make it possible the integration of with renewable sources. Exergy efficiency of the buildings is a prerequisite for a better of energy in this field. / IEA ECBCS Annex 49: Low Exergy Systems for High Performance Buildings and Communities / ESF Cost C24: Analysis and Design of Innovative Systems for Low-EXergy in the Built Environment: COSTeXergy
8

A hybrid electroheat drying system

Marshall, Mark George January 1997 (has links)
No description available.
9

The utility of measures of attention and situation awareness for quantifying telepresence

Riley, Jennifer M. January 2001 (has links)
Thesis (Ph. D.)--Mississippi State University. Department of Industrial Engineering. / Title from title screen. Includes bibliographical references.
10

Modeling human performance in a telecommunications network /

Nagy, Gabriella, January 1900 (has links)
Thesis (M.A.)--Carleton University, 2001. / Includes bibliographical references (p. 54-57). Also available in electronic format on the Internet.

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