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Dissertations / Theses on the topic 'Roll Failure'

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1

Clowe, Samantha Jane. "Oxide scale failure on AISI430 ferritic stainless steel under simulated roll-break conditions." Thesis, University of Sheffield, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440919.

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2

Darth, Pontus. "Simulation of Rolling Mill to Computeand Improve Load Distribution." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85595.

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This master thesis was done at Swerim AB in cooperation with SSAB and the Technical University of Luleå in the purpose of preventing spalling problems in hot rolling mills. Spallings are a fatigue damage that occurs on the rolls due to extreme loads and unfavorable conditions between the rolls in a mill. This report describes how the roughing mill, which is the first of a series of hot rolling mills is modelled and simulated in order to compute and improve the load distribution between the rolls. The load distribution tells a lot where the spalling problems occurs. By computer aided design and
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3

Venkatakrishnan, R. "Role of decidual corticosteroid production in reproductive failure." Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/62785/.

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Glucocorticoids have been implicated in many processes including successful embryo implantation, placentation, and the growth and development of the fetus. Glucocorticoid treatment has been advocated as a treatment to improve reproductive outcome for a number of reasons. Prednisolone treatment has been associated with improvement in clinical outcome in women with recurrent miscarriage and improvement in outcome of In Vitro Fertilisation. Steroids have been found to reduce the high levels of uterine natural killer cells which have been associated with recurrent miscarriage and recurrent implant
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4

Longo, Cristina. "The role of excess weight in antibiotic treatment failure." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104736.

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Objectives: To determine whether excess weight is associated with antibiotic treatment failure (ATF) and if this may be due to a lack of weight-based dosing.Methods: Using a historical cohort study design, data linked to Quebec administrative databases were available for 18 014 consenting patients randomly sampled from the 1992 and 1998 Santé Québec Health surveys (response rate 85%). Selected patients were within the normal weight, overweight and obese weight classes aged 20–79 years, receiving at least one episode of antibiotic therapy from the health survey date to December 2005. ATF was m
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5

Moustapha, Ahmad. "The role of rejection in aortic valve allograft failure." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq24886.pdf.

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6

Barlow, Clifford William. "The role of potassium during exercise in heart failure." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240607.

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7

Roxborough, Heather Elaine. "The role of carbamylation in atherogenesis in renal failure." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388178.

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8

Wingham, Jennifer. "Living with heart failure : self management, informed support and the role of the heart failure specialist nurse." Thesis, Exeter and Plymouth Peninsula Medical School, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.553683.

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People with heart failure frequently experience poor quality of life, often exacerbated by co-morbidities. This demands complex self-management activities, often supported by family members in care roles, and includes input from community Heart Failure Specialist Nurses (HFSNs) that is known to reduce hospital readmissions. There is, however, a paucity of knowledge about the perceptions of people living with heart failure concerning self-management strategies. Aim This thesis is a longitudinal study exploring emergent patterns and styles of self- management of persons with heart failure, the i
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9

Van, Kuiken Debra M. "The Role of Hope in Self-care in Persons with Heart Failure." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1226586770.

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10

Mota, Solis Noé. "The role of microstructure on failure in TiAl-based alloys." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409044.

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11

Anwar, Khurshid. "Role of apoptosis (programmed cell death) in acute liver failure." Thesis, University of Surrey, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370058.

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12

Phillips, Ronald Michael. "The role of the sarcoplasmic reticulum in congestive heart failure /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487945320757787.

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13

Zhong, Tiecheng. "Ang II-Induced Cardiac Remodeling: Role of PI3-Kinase-Dependent Autophagy." Diss., North Dakota State University, 2018. https://hdl.handle.net/10365/28800.

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Heart failure (HF) is a pathological state indicating insufficient blood supply to the peripheral tissues from the heart. The pathophysiology of HF is multifactorial like cardiac remodeling including cardiac hypertrophy, perivascular fibrosis and apoptosis to compensate for the heart?s inability to pump enough blood. Cardiac hypertrophy is initially adaptive to hemodynamic overload; however, it chronically contributes to heart failure and sudden cardiac death. The extracellular regulatory factors and intracellular signaling pathways involved in the cardiac remodeling are not yet fully clear. P
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14

Davies, Elizabeth Louise. "The role of mitogen-activated protein kinase phosphatase-1 in cardiac hypertrophy." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391714.

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15

Qing, Gefei. "Role of atrial natriuretic factor in experimental high-output heart failure." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69541.

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It has been hypothesized that the pathophysiology of chronic heart failure (CHF) may be due to a relative deficiency of atrial natriuretic factor (ANF) and/or blunted responsiveness to ANF in this state. The work presented in this thesis evaluates the role of ANF in rats with chronic moderate high-output heart failure by (1) characterizing plasma and tissue ANF levels, hemodynamics and renal function at different stages of the development of heart failure; (2) assessing the contribution of the atria and ventricles to plasma ANF levels; and (3) investigating the role of ANF and renin-angiotensi
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16

Whalley, Gillian Amanda. "The role of contemporary echocardiography in the management of heart failure." Thesis, University of Auckland, 2006. http://hdl.handle.net/2292/61.

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Heart failure (HF) is an increasing and leading cause of cardiovascular morbidity, hospitalisation and death. Echocardiography is often used in HF patients because it provides important aetiological, diagnostic and prognostic information to assist physician management at moderate cost. This thesis has explored contemporary echocardiographic techniques for assessment of both diastolic and systolic function to ascertain their effectiveness and optimal utility. Assessment of systolic function in HF patients is optimised by the use of harmonic imaging and not enhanced with the use of transpulmonar
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17

Angus, Timothy B. "A new role for the CBC, correcting market and government failure." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq21034.pdf.

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18

Hill, Michael F. "Role of oxidative stress in heart failure subsequent to myocardial infarction." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/NQ31990.pdf.

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19

Biddle, Martha J. "LYCOPENE AND ITS POTENTIAL NUTRITIONAL ROLE FOR PATIENTS WITH HEART FAILURE." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/175.

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Lycopene is a antioxidant found in natural and processed foods. The connection between antioxidants and heart disease has been explored in several observational studies1-4, yet very few investigators have examined the impact of dietary antioxidants in patient with advanced heart disease such as heart failure (HF). A novel strategy for preventing or delaying the complications of HF related to inflammation and oxidative stress may be to increase dietary lycopene. The purpose of this dissertation was to test the impact of dietary intervention consisting of lycopene (V8® juice) on biomarkers of in
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20

Maguire, Suzanne Mary. "The role of vascular endothelium in congestive heart failure and ageing." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387896.

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21

Guhde, Isabel C., and Conner Moss. "The Role of Vagal Nerve Stimulation in Mitigating Heart Failure Progression." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/asrf/2021/presentations/54.

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Cardiovascular disease (CVD) is the leading cause of death worldwide and is expected to increase in prevalence. As a result of the individual and systemic healthcare impacts of CVD, heart failure, and its subsets, focusing on the alleviation of cardiac dysfunction and restoration of autonomic imbalance is paramount. Most research regarding cardiovascular disease is focused on mitigating heart failure from a cardiovascular perspective. However, this review will investigate heart failure from a neuroscientific perspective, highlighting the influence of the renin-angiotensin-aldosterone system, a
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22

Lang, Bradley Thomas. "THE ROLE OF PTPs IN REGENERATION FAILURE FOLLOWING SPINAL CORD INJURY." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1417619755.

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23

Almond, Natalie R. "Perfectionism, failure and self-conscious emotions : a role for self-compassion?" Thesis, University of Surrey, 2015. http://epubs.surrey.ac.uk/808248/.

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Objectives: This study investigated: (1) whether maladaptive perfectionism predicted the experience of self-conscious emotions such as shame, guilt and pride following an imagined failure and (2) whether self-compassionate writing could reduce shame and guilt and increase pride relative to a control and self-esteem writing task. Design: The study used a correlational design to assess the relationship between maladaptive perfectionism and self-conscious emotions. The study also used an experimental between-subjects design to investigate the effect of writing task on self-conscious emotions cont
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24

Myers, Valerie. "The Role of BAG3 in the Failing Heart." Diss., Temple University Libraries, 2018. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/490584.

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Biomedical Sciences<br>Ph.D.<br>Heart disease has been the leading cause of death in the United States for more than 90 years. The leading cause of death in individuals aged 65 and older has remained diseases of the heart from 1950 to the current time. According to the CDC, once diagnosed with heart disease, individuals have an approximately 50% chance of dying within 5 years, regardless of race. Mortality related to heart disease increased dramatically from the start of the 1900s to 1921, but subsequently experienced a steady decline from the mid-1960’s to 2000. However, when the decrease in
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25

Dalzell, Jonathan. "The novel peptide apelin and its putative role in cardiovascular regulation in health and heart failure." Thesis, University of Aberdeen, 2012. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=192161.

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Heart failure is associated with significant morbidity, mortality and economic cost. Over the past 30 years our understanding of the pathophysiology of heart failure has advanced greatly. However, morbidity and mortality remain high and further improvements in therapy are necessary. Pre-clinical data suggest that the novel peptide apelin, acting through the APJ receptor, has anti-hypertensive, vasodilator, diuretic and inotropic actions and an antagonistic relationship with angiotensin-II. These findings are of obvious interest in heart failure, particularly as plasma and myocardial apelin con
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26

Gathright, Emily C. "DEPRESSIVE SYMPTOMS AND MORTALITY IN HEART FAILURE:THE ROLE OF MEDICATION ADHERENCE." Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1492886768115406.

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27

Kämpenberg, Kristin. "Edna’s Failure to Find Her Female Role in Kate Chopin’s The Awakening." Thesis, Karlstad University, Division for Culture and Communication, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-914.

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<p>In The Awakening we meet Edna, a woman in search of her female identity. She is uncomfortable in her role as the “patriarchal woman” and has trouble becoming either a “modern woman” or an “emancipated woman” To fully understand Edna’s search one must understand the patriarchal society in Chopin’s works and what it means to internalize this system. Edna searches for a different female role than that of the “patriarchal woman” but she has problems internalizing any one of the roles due to her previous choices, current social position and lack of support in her quest. This essay explores what
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28

Nazli, Sabiha [Verfasser]. "Role of CPI-17 in ischemia-reperfusion induced barrier failure / Sabiha Nazli." Gießen : Universitätsbibliothek, 2013. http://d-nb.info/1065320434/34.

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29

Bolte, Craig Steven. "The Role of the opioidergic system in the progression to heart failure." Cincinnati, Ohio : University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc/view.cgi?acc_num=ucin1227150790.

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Thesis (Ph.D.)--University of Cincinnati, 2008.<br>Advisor: Jo El Schultz Ph.D. (Committee Chair), Scott Belcher Ph.D. (Committee Member), Guoxiang Chu M.D., Ph.D. (Committee Member), Ronald Millard Ph.D. (Committee Member), Mark Olah Ph.D. (Committee Member), ei Yu Ph.D. (Committee Member). Title from electronic thesis title page (viewed Jan. 19, 2009). Keywords: opioids; heart failure; work-performing heart; hypertension; hypertrophic cardiomyopathy. Includes abstract. Includes bibliographical references.
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30

Malikova, Svetlana. "The role of mass media in the survival or failure of democracies." Diss., Online access via UMI:, 2008.

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31

Chess, David J. "The Role of Dietary Fat and Carbohydrate in Cardiac Hypertrophy and Failure." Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1224770615.

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32

Filous, Angela R. Ph D. "The Role of NG2+ Cells in Regeneration Failure After Spinal Cord Injury." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1396605992.

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33

Davie, Andrew P. "The role of prostanoids and kinins in the pharmacotherapy of heart failure." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/22135.

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The study in chapter 2 examined the effect of intra-arterial arachidonic acid on forearm blood flow in healthy volunteers and in patients with heart failure treated with an ACE inhibitor. We found that arachidonic acid was vasodilating and that this vasodilation was inhibited by 14 days oral aspirin, even a dose as small as 75mg daily. This does not prove that aspirin adversely effects vascular tone in these patients, but it does prove that it could. The study in chapter 3 examined the effect of aspirin on the immediate venodilator response to intravenous frusemide in patients with heart failu
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34

Vara, Alicia, and Dimiter Bogdanzaliev. "The role of positive emotions in project failure and their impact on Corporate Entrepreneurs’ decision-making and motivation." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Företagsekonomi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-24203.

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Purpose The  purpose  of  this  thesis  is  to  identify  the  role  of positive  emotions  in  project  failure  and  how  these emotions  affect  corporate  entrepreneurs´  decision-making and motivation. Theoretical perspective Entrepreneurial Failure, Emotions, Appraisal Theory, Attribution  Theory,  Psychological  Ownership,  Psychological Capital. Empirical foundation Seventeen respondents from 14 entrepreneurial companies  were  interviewed to identify  the role of positive emotions in  project failure and  their impact  on corporate entrepreneurs’  decision-making  and motivation in su
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35

Kadri, Amer N., Roop Kaw, Yasser Al-Khadra, et al. "The role of B-type natriuretic peptide in diagnosing acute decompensated heart failure in chronic kidney disease patients." Termedia Publishing House Ltd, 2018. http://hdl.handle.net/10757/624714.

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Introduction: Chronic kidney disease (CKD) and congestive heart failure (CHF) patients have higher serum B-type natriuretic peptide (BNP), which alters the test interpretation. We aim to define BNP cutoff levels to diagnose acute decompensated heart failure (ADHF) in CKD according to CHF subtype: heart failure with preserved ejection fraction (HFpEF) and heart failure with reduced ejection fraction (HFrEF). Material and methods: We reviewed 1,437 charts of consecutive patients who were admitted for dyspnea. We excluded patients with normal kidney function, without measured BNP, echocardiograph
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36

Nuttall, Sarah Louise. "Oxidative stress in age and age-related disease and the potential therapeutic role for antioxidants." Thesis, University of Birmingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365384.

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37

Schafer, Allison E. "The Role of MMP-13 in Cardiac Remodeling and Fibrosis." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1537949351943938.

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38

Lovell, Sharon Lynne. "The role of nitric oxide and endothelin in the regulation of pulmonary arterial pressure in man." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322648.

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39

Potter, Kathryn Jane. "The role of islet amyloid and CHOP in islet graft dysfunction and failure." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/36528.

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Islet transplantation has great promise as a treatment for patients with insulin-dependent diabetes but its long-term success is limited by progressive graft dysfunction. Many measures of cell dysfunction in transplantation are similar to those observed in the type 2 diabetic cell. We focused upon two particular genes underlying pathology of the latter, namely islet amyloid polypeptide (IAPP) and C/EBP homologous protein (CHOP). We hypothesized that CHOP and islet amyloid composed of IAPP played distinct roles in progressive dysfunction and loss of the transplanted cell. Human islets and murin
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40

Ballyk, Peter Donald. "The role of vascular wall mechanics in the failure of surgical bypass grafts." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0002/NQ35104.pdf.

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41

Garcia, Jorge. "Cardiac Power Output, its Role in Defining Heart Failure for Future Mechanical Support." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144592.

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Cardiac Power Output (CPO) has shown to effectively indentify declining cardiac performance in Heart Failure (HF) patients. We compared CPO to other commonly used hemodynamic parameters to establish its usefulness in determining when Mechanical Circulatory Support (MCS) is required. A retrospective study of 28 HF patients previously implanted with MCS were analyzed at 3 stages of pharmacological support. Studied subjects were separated into two categories (survived versus deceased) to compare contractile reserve differences in order to predict when complete cardiac dysfunction was met. CPO an
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42

Allen, David Andrew. "The role of inflammatory cytokines in resistance to erythropoietin in chronic renal failure." Thesis, Queen Mary, University of London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394275.

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43

Hampton, David William. "The role of glia in the regenerative failure of the central nervous system." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615858.

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44

Shan, Qixian, and 單綺嫻. "The role of nitric oxide and adrenomedullin in cardiovascular failure in septic shock." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31242261.

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45

Puybaraud, Marie-Cecile. "A model of the role of management in construction fire safety failure scenarios." Thesis, Heriot-Watt University, 2001. http://hdl.handle.net/10399/1139.

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46

Morris, Kevin Paul. "Anaemia in children with chronic renal failure : the role of recombinant human erythropoietin." Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295530.

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47

Horney, Jennifer A. Kaufman Jay S. "Hurricane evacuation failure the role of social cohesion, social capital, and social control /." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2009. http://dc.lib.unc.edu/u?/etd,2446.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2009.<br>Title from electronic title page (viewed Sep. 3, 2009). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the School of Public Health Department of Epidemiology." Discipline: Epidemiology; Department/School: Public Health.
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48

Khalil, Mahmoud Salah. "Transforming growth factor beta 1 : role in the progression of chronic renal failure." Thesis, Sheffield Hallam University, 2002. http://shura.shu.ac.uk/19437/.

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TGF-beta1 plays an important role in the pathogenesis of experimental and clinical glomerulosclerosis and tubufointerstitial fibrosis. Associations have been described between polymorphisms of cytokine and growth factor genes and susceptibility to, or progression of, an increasing number of diseases. In this study, single nucleotide polymorphisms (SNPs) in the TGFbeta1 gene were investigated as possible markers for the progression of chronic renal failure (CRF). One hundred and forty two Caucasian patients with CRF were screened for four TGFB1 SNPs: T-509C in the promoter region; Arg25Pro and
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Van, Laar Sonja Terry. "Relationship of success-failure attributions to gender-role identity type in college students." Scholarly Commons, 1994. https://scholarlycommons.pacific.edu/uop_etds/2799.

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One hundred eighty five college students (75 male and 110 female) solved 12 anagrams, completed the Bem Sex Role Inventory, and completed a posttest which measured participant's internal and external attributions about the success or failure outcome of the anagram solutions. A 4 x 2 x 2 factorial ANOVA with gender-role type (masculine, feminine, androgynous, or undifferentiated), biological sex, and outcome as the independent variables was used to analyze the outcome scores for internal and external attributions. Contrary to prediction, there was no significant interaction between gender-role
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Subramanian, Rohit. "COMPUTATIONAL FRAMEWORK TO ASSESS ROLE OF MANUFACTURING IN MATERIAL-DEFECT RELATED FAILURE RISK." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1398998282.

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