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The evaluation of investment in time compression technology using an analytic network processKengpol, Athakorn January 2000 (has links)
No description available.
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Decision making for the selection of investment projectsDelgado, Octavio Augusto Herandez January 1998 (has links)
No description available.
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The development and evaluation of computer support for cancer genetic advice in primary careEmery, Jonathan D. January 2000 (has links)
No description available.
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THE EXPERIENCES OF FAMILY MEMBERS WHO PROVIDE SUPPORT TO THEIR RELATIVE WITH RHEUMATOID ARTHRITISFallatah, Fatmah 03 January 2013 (has links)
Introduction: Rheumatoid arthritis (RA) is characterized by slow progression, functional limitations and poor quality of life. As a chronic disabling disease RA influence not only individuals but also their families. The impact of RA on family members includes providing the required care to the ill relative, postponing family plans, or altering family priorities and decisions due to the illness process.
Purpose of the Study: The psychosocial changes that family members experience may possible compromise their health, family function and relationships with each other. The purpose of the current study was to describe the experience of family members who provide social support to their relative with RA. This study was set to explore the forms of support that are needed by family members to provide adequate support to their relative with RA.
Method: The exploratory purpose of the study leads the researcher to conduct a descriptive qualitative study within the naturalistic inquiry. Naturalistic inquiry is consistent with the aims of this study in which the social support needs of family members of individuals with RA were explored and described.
Findings: Five themes emerged from the data analysis, including: 1) effect of the disease; 2) reshaping the relationship; 3) providing support; 4) social support needs; and, 5) finding balance and coping.
Conclusion: The impacts of RA on the lives of family members resulted from the chronicity of RA. Participants in this study described the effects of RA on themselves, the changes in the relationship with their relative with RA and their effort to maintain the relationship by providing support to their relative with RA. Additionally, they described the social support that they received from family members, friends and healthcare providers. They continuously identified the support they lacked. Nearly all participants were able to achieve balance between providing support and care to their relative with RA and engaging in their own life activities. They also utilized several coping strategies to achieve balance while providing support to their relative, carrying on their duty toward the family, work and their own personal needs. / Thesis (Master, Nursing) -- Queen's University, 2012-12-20 15:20:50.334
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External Trunk Support with Industrial BenchworkDamecour, CAROLINE 31 January 2013 (has links)
Standing at a workbench is required for manual work including sorting and assembly. When work heights and reach distances are not matched to stature or arm length, the trunk assumes a partially bent position, which increases the postural effort required to stand or to reach to far distances. As a result, the biomechanical load on the lumbar spine is raised, which contributes to a higher risk for back pain. In ergonomics, assistive devices are being developed to counter this effect.
A new leaning device was tested in the laboratory with forward-bent standing and reaching where the trunk was bent forward and twisted to reach to a far target 45° from the center. This device supported the trunk at the upper chest. With leaning, back muscle activity decreased by ~ 60% with forward-bent standing and ~ 23-30% with the off-center reach, depending on reach height. Because leaning changed how standing remained balanced, ~12° less bending was required to reach the target. Therefore, upper-trunk support may be helpful for benchworkers when ergonomic design is not possible; some product development and testing is still needed to provide the right amount of support at the right time and to ensure there is no rib joint irritation.
An interesting outcome from these previous studies was related to workers’ posture when they leaned against a workbench that was adjusted for heavier work (hip height). Low back muscle activity was unchanged with forward-bent standing, but decreased by ~ 23-30% with the off-center reach. This reduction was accompanied by greater twist at the mid back as a way of compensating for a loss of hip rotation.
Three different heights for bench leaning were compared in a third study: elbow height, hip height and below hip height. The results showed that leaning at elbow height lowered the work demand by ~16-24% for far reach, partially due to changed motions consistent with greater mid back movement and coincided with ~ 8% increase in work demands at the mid-back and greater scapular recruitment. Therefore, more research is needed to establish work height guidelines for use when leaning against a workbench. / Thesis (Ph.D, Kinesiology & Health Studies) -- Queen's University, 2013-01-29 14:32:19.696
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Wideband spectrum sensing using sub-Nyquist sampling / Shanu AzizAziz, Shanu January 2014 (has links)
Spectrum sensing is the process of identifying the frequencies of a spectrum in which
Signals Of Interest (SOI) are present. In case of continuous time signals present in a
wideband spectrum, the information rate is seen to be much less than that suggested
by its bandwidth and are therefore known as sparse signals. A review of the literature
in [1] and [2] indicates that two of the many techniques used in wideband spectrum
sensing of sparse signals are the Wideband Compressive Radio Receiver (WCRR) for
multitoned signals and the mixed analog digital system for multiband signals. In both
of these techniques even though the signals are sampled at sub-Nyquist rates using
Compressive Sampling (CS), the recovery algorithms used by them are different from
that of CS. In WCRR, a simple correlation function is used for the detection of carrier
frequencies and in a mixed analog digital system, a simple digital algorithm is used for
the identification of frequency support. Through a literature survey, we could identify
that a VHSIC hardware descriptive ModelSim simulation model for wideband spectrum
sensing of multitoned and multiband signals using sub Nyquist sampling does
not exist. If a ModelSim simulation model can be developed using VHDL codes, it can
be easily adapted for FPGA implementation leading to the development of a realistic
hardware prototype for use in Cognitive Radio (CR) communication systems.
The research work reported through this dissertation deals with the implementation of
simulation models of WCRR and mixed analog digital system in ModelSim by making
use of VHDL coding. Algorithms corresponding to different blocks contained in the
conceptual design of these models have been formulated prior to the coding phase.
After the coding phase, analyses of the models are performed using test parameter
choices to ensure that they meet the design requirements. Different parametric choices
are then assigned for the parametric study and a sufficient number of iterations of these
simulations were carried out to verify and validate these models. / MIng (Computer and Electronic Engineering), North-West University, Potchefstroom Campus, 2014
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Failure mechanism of resin anchored rebar in potash2014 July 1900 (has links)
The use of reinforcing bar (rebar) anchored with resin is a common method of rock support in both hard and soft rock mining. The average bond strength, or the load that the support can sustain for a linear length of bond to the rock, is typically determined through a series of pull tests. The average value of bond strength varies widely, since it is dependent on in-situ rock properties and environment. It is an important value because it allows mine engineers to select the appropriate length and pattern spacing of installation for the support. When a stiff support, like resin-anchored rebar, is placed in a weak, soft material, such as potash, the average bond strength tends to be lower in magnitude than for a typical hard rock installation.
This research was primarily aimed at determining the failure mechanism, in soft rock applications, by which the support loses adhesion and begins to fail by sliding. Results of field pull testing determined that the resin-rock bond strength was the limiting factor controlling when adhesion loss occurred. This study investigated how the bond strength may vary given a number of variables typically found in a potash mine environment. Results reported from testing did not indicate variation in the bond strength of resin anchored rebar, significant for mining applications, given changes in resin cure time, vicinity to active mining areas, or the rock type to which the resin was adjacent.
Using the results of laboratory and field testing, an equation was developed to estimate load on in-situ resin anchored rebar given deformation measurements taken from the field. This equation will help determine safe limits for fracture separations opening in the backs of potash drifts. Investigating the behaviour of resin anchored rebar in potash may lead to methods to improve bond strength and calculation of factors of safety for patterned ground support.
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Supporting pupils with additional support needs in mainstream settings : the views of pupilsHerd, Elizabeth January 2010 (has links)
This thesis is the study of experiences of a group of mainstream secondary pupils identified as having additional support needs within the terms of the Education (Additional Support For Learning ) (Scotland) Act (2004). This means that they have been categorised as having entitlements to whatever support they require to ensure that they can attain good educational outcomes. Prior to the 2004 legislation, practices were based on categorisation of such pupils into separate, often segregated, provision which reflected assumptions about their restricted potential. The 2004 legislation is part of a policy agenda concerned with social justice and equity of educational provision for all pupils. It requires that all barriers to learning are removed for each individual pupil. Such a policy shift, and the move towards an inclusive person-centred approach, seem consistent with Scottish education as it is widely regarded, that is, with a strong tradition of, and a commitment to, egalitarianism. However, there is research which also suggests that Scottish education has been, and continues to be, meritocratic and with a strong focus on academic attainment, and that the belief in the tradition of egalitarianism, which is now regarded as a myth, can still influence perception and policy. It has also been argued that the neo-liberal reforms of the public services since the 1980s have narrowed teachers‟ work, led to a focus on its measurable aspects and led to less time being available for other areas of work, including supporting non-academic learning and attainment. In this thesis I discuss how the influence of the „myth‟, a tradition of meritocracy, and a performativity focus on attainment, shape teachers understandings and practices as they are required to reconcile them with a concurrent policy agenda which has a focus on social inclusion and equity of educational opportunity. To enable the voices of pupils and their teachers to be heard, I use semi-structured interviews and an interpretivist approach to study the experiences and attitudes of 8 teachers and 17 pupils in 2 comprehensive schools in a Scottish local authority. Through doing this I identify factors which might prevent teachers from developing inclusive approaches and support for learning practices which are helpful and acceptable to pupils. I also consider any apparent tensions between a person-centred inclusive policy agenda and a tradition of meritocracy. I found that pupils were generally positive about their experience of learning and identified practices they thought would be both helpful and acceptable to them: peer working; teachers mediating learning through discussion/questioning; work which was interesting to them and/or relevant to life beyond school. There was also a degree of consensus that difficulties associated with the reading/writing tasks they were required to do could be barriers to fully accessing the curriculum. The study also found that the teachers interviewed showed a commitment to provide support to pupils with additional support needs and that they provided a range of in-class arrangements to achieve this. However, they seemed also to be influenced by academic traditions/assumptions and felt that what they were able to do was limited by the agenda created by national examination requirements and it was that which drove the curriculum. The study concludes that the practices and power relations in schools are influenced by the conservative thinking which characterises Scottish education, that these practices and power relations can be oppressive and disempowering to teachers and pupils and that pupils are still labelled, sometimes segregated and treated differently from their peers. It also emerged that while there are no real opportunities for pupils to express their views and challenge the identities ascribed to them, when they are given that opportunity they can have well formed views about their education and what changes to existing practice would better help them to improve their attainment and develop useful skills. Not all of the pupils did express such views, and this may link to effect of the power relations in schools. Of those who did express views about what they would like to see change, the changes they identified seem to be generally possible within the pedagogical and curriculum framework changes as suggested in Curriculum for Excellence documents. However, given the findings of this study about power relations and the persistence of academic traditions and assumptions, it is relevant to note that these changes in themselves will require alterations to existing in-school power relations, working arrangements and conceptualisations of what constitutes educational success and how it is measured.
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The professional support needs and experiences of patients with atrial fibrillation : a mixed methods studyBull, Michelle Elizabeth January 2015 (has links)
There are in excess of one million people across the UK people living with atrial fibrillation (AF), a long term condition that can lead to stroke and other complications, costing the NHS over £2,200 million per year. However little is known about the experience of living with AF and what patients' perceptions are of the support they receive from health professionals. In order to ensure that patients have the best possible experience of care, healthcare professionals need to have an understanding of how patients view their condition and the type of support they would like to receive from the professionals involved in their care. Although there has been a significant amount of work investigating social support for people with health conditions, there has been little work exploring support provided by healthcare professionals, defined in this study as professional support. This study aimed to investigate and assess the professional support needs of people with AF to develop knowledge and understanding in this field. A theoretical framework for professional support was developed based on the tri-dimensional model of social support and was used to direct the research. Using an exploratory sequential design, a two phase mixed methods study was undertaken. Initially, qualitative interviews were undertaken with patients recruited from outpatient arrhythmia clinics at one National Health Service (NHS) hospital and identified from the perspective of the patient how, when and where healthcare professionals did/did not provide support. Key components of emotional, informational and tangible professional support were identified from thematic analysis of the interview data and used to inform the development of a quantitative questionnaire. Physical activity, exercise and the impact of AF on activity levels were identified by participants as important and so were also included. The quantitative online questionnaire was completed by patient members of the Atrial Fibrillation Association (AFA). To examine relationships between variables, statistical analyses were performed using Fisher's exact test and indicated that people with AF had a range of emotional, informational and tangible professional support needs. Different subgroups of people with AF had different professional support needs: People with more severe symptoms needed more emotional support as well as more tangible support and people with paroxysmal AF needed more informational support. People undergoing ablation as treatment for their AF had specific informational and emotional needs for support. AF played a significant part in the lives of people with AF by modifying activities of daily living and shaping physical activity behaviour and choice of activities. People with AF therefore needed professional support in maintaining and/or increasing their levels of activity. Considering the specificity of professional support, GPs, cardiologists and arrhythmia nurse specialists were identified as most supportive, with GPs and cardiologists also considered as the least helpful at providing support, indicating a variation in professional support. The findings from this study contribute to the limited body of knowledge describing the experience of living with AF and provide healthcare professionals with a unique understanding of how best to provide professional support. The tri-dimensional model provides detailed knowledge of the components of informational, emotional and tangible support that people with AF would like to receive from the healthcare professionals involved in their care. The findings indicate there are differing support needs for different subsets of people with AF demonstrating a need for individualised professional support. The theoretical framework for professional support used in this study provides a model that could be used in future research studies to identify the types of professional support required by patients and to identify subgroups of patients who may require additional professional support. By accurately identifying the needs of patients, this will ensure that healthcare professionals are able to deliver effective patient centred services, leading to an improved patient experience and the delivery of high quality patient care.
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A prototype web-enabled information management and decision support system for Army aviation logistics managementHoecherl, Joseph A. 09 1900 (has links)
Approved for public release; distribution is unlimited / The purpose of this thesis is to develop a prototype web-enabled database to improve the process flow of data collection and manipulation in support of Army aviation operations. Data collection is focused around routine aviation operations and aviation maintenance with the intention of identifying a feasible replacement for the existing redundant manual and automated collection procedures. The web interface has the potential to reduce the logistical burden on unit's data collection procedures and provides tailorable, near real time information about aircraft maintenance status, individual training, and unit training to decision makers at all levels as a decision support tool. This thesis will describe the design considerations for a web-enabled database to include the development of detailed data and process models. / Major, United States Army
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