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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.
81

Optimal design and operation of reverse osmosis desalination process with membrane fouling

Sassi, Kamal M., Mujtaba, Iqbal M. January 2011 (has links)
No description available.
82

Three dimensional finite element analysis of the flow of polymer melts

Tenchev, R., Gough, Timothy D., Harlen, O.G., Jimack, P.K., Klein, D.H., Walkley, M.A. January 2011 (has links)
No / The finite element simulation of a selection of two- and three-dimensional flow problems is presented, based upon the use of four different constitutive models for polymer melts (Oldroyd-B, Rolie-Poly, Pom-Pom and XPP). The mathematical and computational models are first introduced, before their application to a range of visco-elastic flows is described. Results demonstrate that the finite element models used here are able to re-produce predictions made by other published numerical simulations and, significantly, by carefully conducted physical experiments using a commercial-grade polystyrene melt in a three-dimensional contraction geometry. The paper also presents a systematic comparison and evaluation of the differences between two- and three-dimensional simulations of two different flow regimes: flow of an Oldroyd-B fluid around a cylinder and flow of a Rolie-Poly fluid into the contraction geometry. This comparison allows new observations to be made concerning the relatively poor quality of two-dimensional simulations for flows in even quite deep channels.
83

Optimal determination of steric mass action model parameters for beta-lactoglobulin using static batch experiments

Barz, T., Loffler, V., Arellano-Garcia, Harvey, Wozny, G. January 2010 (has links)
No / In this work, parameters of the steric mass-formalism SMA are optimally ascertained for a reliable determination of the adsorption isotherms of beta-lactoglobulin A and B under non-isocratic conditions. For this purpose, static batch experiments are used in contrast to the protocols based on different experimental steps, which use a chromatographic column. It is shown that parameters can already be determined for a small number of experiments by using a systematic procedure based on optimal model-based experimental design and an efficient NLP-solver. The in different works observed anti-Langmuir shape of the isotherm for small concentrations of beta-lactoglobulin A was corroborated. Moreover, we also found indications for a porosity variation with changing protein concentrations.
84

Investment Climate in China: province estimates

Weiss, John A. January 2008 (has links)
Yes / This paper uses a large firm-level survey to assess differences in performance across regions. A panel data analysis is conducted to explain both productivity and profitability across firms in terms of firm and industry characteristics. Regional dummies are included to pick up additional location-specific impacts and the size of these dummies is used to rank provinces. Province performance is then examined in terms of geography, infrastructure, the policy environment and aspects of the investment climate with the conclusion that the latter plays a major part in explaining provincial differences in performance.
85

Beyond human: The materiality of personhood

Casella, E., Croucher, Karina January 2011 (has links)
No / Archaeological research has been influenced by feminist thought and critique for decades. In the early 1990s, new narratives began to be written about the past. Starting with a search for women and gendered identities in our prehistories, these have developed into a new way of understanding the relationships between people, objects and animals, both in the past and in the present. Archaeological research has been concerned with the relationships between the ‘human’ and the ‘other’ for a number of decades, whether they involve nonhuman animals, objects we use and create, or attitudes to the landscape and environment. The nonhuman, in other words, is central to our work. We hope in this piece to demonstrate the contribution archaeological insights could make to feminist theorising about the nonhuman.
86

Thinking Systemically--Thinking Politically: Building Strong Partnerships with Children and Families in the Context of Rising Inequality

Featherstone, Brigid M., Broadhurst, K., Holt, Kim January 2011 (has links)
No / Prompted by findings from the Munro Review of Child Protection, this paper provides a critical analysis of the combination of changes that appear to have undermined social workers' ability to develop strong partnerships with children and their families. Here, we engage with a number of now familiar lines of critique that have exposed the negative consequences of aspects of New Labour's modernisation agenda (such as excessive standardisation). However, we challenge our readers to think more broadly about the political foundations of the New Labour project and, in particular, to consider how neo-liberal policies have in the past and are likely in the future to lead to the intensification of inequalities, thus undermining effective family work. Efforts to deal with excessive rules and procedures, or the revision of performance targets, as suggested in the Munro Review, will not mitigate the corrosive effects of rising social inequality. If we are to think systemically, as Munro suggests, then we must consider the likely regressive impact of impending public sector and welfare cuts and challenge any moves to sideline family support and restrict social work to a narrow focus on child protection.
87

Gender at Work: Characteristics of 'Failing' Social Work Students

Furness, Sheila M. January 2011 (has links)
No / Social work is a gendered activity, in terms of both its workforce and client group and it is well documented that more women than men enter this area of work. Recruitment campaigns have had some success in attracting underrepresented groups to apply for social work training. However, achievement and retention data maintained and monitored by the General Social Care Council (GSCC) revealed that certain students did not progress as well as others. The GSCC commissioned research to consider students' progression and success rates on courses of study in England. Although the majority of students and qualified social workers are female, there have been higher relative numbers of men who fail social work training courses. This article will examine the literature and draw on material gathered from interviews with six experienced practice educators about their observations of assessing both male and female students in order to identify any factors or themes that contribute to men being overrepresented amongst those failing.
88

Considering religion and beliefs in child protection and safeguarding work: is any consensus emerging?

Gilligan, Philip A. January 2009 (has links)
No / Diverse, but significant, phenomena have combined to raise both the profile of issues related to religion and child abuse and the need for professionals to understand and respond appropriately to them. The nature of some of these issues is explored and attempts made to clarify them. Data collected by the author primarily from questionnaires completed by professionals involved in child protection and safeguarding work are analysed and discussed. Some patterns are identified and explored. Finally, it is suggested that, despite the apparent emergence of a more general recognition and acknowledgement of these issues amongst many professionals, relevant day-to-day practice remains largely dependent on individual views and attitudes. Moreover, practitioners are able to continue with ‘religion-blind’ and ‘belief-blind’ approaches without these being significantly challenged by agency policies or by professional cultures.
89

Clerical Abuse and Laicisation: Rhetoric and Reality in the Catholic Church in England and Wales

Gilligan, Philip A. January 2012 (has links)
No / Discussion of the declared policies of the Catholic Church in England and Wales, since 2001, with regard to the ongoing status of priests convicted in criminal courts of offences against children is presented. The extent to which these policies have followed recommendations 77 and 78 of A Programme for Action (Nolan, 2001a) and the extent to which they have resulted in the laicisation (removal from the clerical state) of priests are both explored, using national data and with reference to two particular cases from the Diocese of Salford. The potentially adverse impact on victims and survivors of any mismatch between the rhetoric of policy and the reality of practice by the Church is emphasised. Data presented demonstrate that, between November 2001 and September 2010, a majority (64%) of relevantly convicted and sentenced priests had not been laicised as would be expected. Suggestion is made that the Church is inhibited in carrying out its declared policies because it is attempting to serve legitimacy communities beyond victims and survivors of clerical abuse. Full commitment to the paramountcy principle by the Church and genuinely independent external scrutiny of its relevant decision-making processes are recommended.
90

Exploring the relative influence of family stressors and socio-economic context on children's happiness and well-being

McAuley, Colette, Layte, R. January 2012 (has links)
This paper examines the relative influence of family stressors and the family’s socioeconomic circumstances on children’s happiness. Data from the 9 year old cohort of the national Growing Up in Ireland study (GUI) was used to examine these relationships. The sample consisted of 8,568 children and their families. The stressors considered were a conflictual parent–child relationship; children with emotional and social problems; parental depression; low parental self-efficacy and child isolation. A group of families and children who were experiencing a higher level of these stressors was identified. This constituted 16 % of the sample. Although socioeconomic disadvantage contributed significantly to the vulnerability of this group, it was by no means the sole or dominant issue. Using the Piers-Harris Happiness and Satisfaction Subscale, children’s self-assessed happiness in this identified group was found to be significantly lower than in the other groups, irrespective of socioeconomic and demographic variables. The family stressors were found to explain more than twice the variance in the children’s happiness than explained by the measures of socioeconomic status. Nonetheless, most of the variance remains unexplained. Future research directions to explore this are indicated.

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