Dissertationen: „ICWF“

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Caldwell, Dwight D. (Dwight Douglas). „Design and analysis of the ICRF antenna with active cooling“. Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/42516.

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Berget, Sara, und Carina Karlsson. „Självskattningsskalor och länkning till ICF : En litteraturstudie“. Thesis, Örebro universitet, Hälsoakademin, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-11330.

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WHO:s klassifikation av funktionstillstånd, funktionshinder och hälsa antogs 2001. ICF är framtaget för att skapa ett gemensamt språk genom olika ICF koder som anses vara användbara både kliniskt och inom forskningen. Genom att länka mätinstrument som redan används, exempelvis självskattningsskalor, till ICF underlättas kommunikation och jämförelser av olika resultat internationellt. Syftet med denna uppsats var att undersöka vilken ämnesspecifik självskattningsskala inom hörselområdet som använts mest inom forskningen mellan åren 2000-2009 och länka den till ICF. Vi använde oss av en systematisk litteratur-studie i form av en totalundersökning för att hitta den mest använda självskattningsskalan inom forskningen. Vid länkningen av den mest använda självskattningsskalan till ICF utförde vi en kvalitativ latent innehållsanalys och länkade självskattningsskalans påståenden systematiskt med hjälp av ICF linking rules. Abbreviated Profile of Hearing Aid Benefit (APHAB) var den mest använda självskattningsskalan inom forskningen mellan år 2000-2009. Länkningsresultatet visade att APHAB utifrån ett ICF perspektiv mäter komponenterna aktivitet och delaktighet, kroppsfunktion och omgivningsfaktorer. Det fortsatta arbetet med utveckling av ett Core Sets for Hearing Loss kommer underlätta användningen både kliniskt och inom forskningen. Ett relevant urval för användning inom hörselområdet gör ICF mer hanterbart, och underlättar därmed användningen av ICF både inom Sverige och internationellt.

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Parisot, Alexandre 1979. „Design of an ICRF fast matching system on Alcator C-Mod“. Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30095.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.
Includes bibliographical references (p. 125-127).
In Ion Cyclotron Radiofrequency Heating (ICRH) for tokamaks, fast variations of the antenna loading impedance limit flexible and robust high-power operations. In this thesis, novel solutions for real-time matching and reduction of these variations are investigated and studied for implementation on the Alcator C-Mod tokamak. Load tolerant prematching networks are reviewed and a prototype configuration for E-antenna is proposed. By maintaining low voltage standing wave ratio in the network for a wide range of loading conditions, it could allow robust high power operations without the need of fast matching. However, typical conditions could create current imbalance effects ; the performance of the system could be degraded and the phasing between the antenna affected, with side-effects on the overall behavior of the antenna in plasma. Another possible option for real-time matching uses ferrite loaded transmission lines, whose electrical length could be varied over timescales as fast as a few milliseconds. A potential ferrite material is identified and experimentally characterized in a small-scale low power experiment. This leads to design guidelines for a high power ferrite phase shifter and a fast-matching network using such tuners.
by Alexandre Parisot.
S.M.

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Vacca, Luigi. „RF-induced transport of resonant minority species in ICRF-heated tokamaks“. Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38431.

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Maier, Petra. „International Classification of Functioning, Disability and Health (ICF)“. Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-25561.

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Blank, Nash Caryn. „Identifying frailty using the ICF: proof of concept“. Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19258.

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Frailty has emerged as an increasingly important concept in the understanding and care of the elderly. Despite this, no consensus has been established in the frailty literature regarding a theoretical framework, operational definition, or measurement strategies. The International Classification of Function, Disability and Health (ICF) provides an attractive framework to exemplify and consolidate the diverse literature on frailty. The ICF is a classification system developed by the World Health Organization (WHO) to provide a common language and universal conceptual framework to describe health and health-related states. The overall objective of this proof-of-concept study is to determine the extent to which the identification and measurement of frailty is compatible with the ICF framework. A total of 156 words were identified by health professionals from two articles that were shown to be influential in the frailty literature. These words were subsequently linked to the ICF following a standardized mapping protocol. The 202 codes that were identified comprised a comprehensive set of functional status indicators (FSIs), or characteristics that describe the clinical entity of frailty, in a uniform and standardized manner. A total of 21 of these FSIs were identified from items on both the Francophone and Anglophone versions of the Système de Mesure d'Autonomie Functionelle (SMAF), a measure specific to quantifying function in the elderly.
La fragilité a émergé comme un concept de plus en plus important dans la compréhension et les soins des personnes âgées. En dépit de ceci, aucun consensus n'a été établi dans la littérature concernant un cadre théorique, une définition opérationnelle, ou des stratégies de mesure. La classification internationale de la fonction, de l'incapacité et de la santé, (CIF), fournit un cadre attrayant pour illustrer et consolider la littérature diverse sur la fragilité. La CIF est un système de classification développé par l'organisation mondiale de la santé (OMS) pour fournir un langage commun et un cadre conceptuel universel pour décrire la santé et les conditions de santé. L'objectif global de cette étude de preuve-de-concept est de déterminer jusqu'à quel point d'identification et de mesure de la fragilité sont compatibles avec le cadre de la CIF. Un total de 156 mots a été identifié par des professionnels de la santé à partir de deux articles qui se sont avérés influents dans la littérature. Par la suite, ces mots ont été liés à la CIF selon un protocole standardisé de recoupement. Les 202 codes qui ont été identifiés comportent un ensemble complet d'indicateurs d'états fonctionnels (IEFs), ou des caractéristiques qui décrivent l'entité clinique de la fragilité, d'une façon uniforme et standardisée. Un total de 21 de ces IEFs a été identifié à partir des questions des versions françaises et anglaises du Système de Mesure d'Autonomie Fonctionnelle (SMAF), une mesure spécifique pour quantifier la fonction chez les personnes âgées.

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Ross-Mulkey, Mikhelle Lynn. „"Baby Veronica" & The Indian Child Welfare Act (ICWA): A Public's Perception“. Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/556951.

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What has become known to the world as the Baby Veronica case (2009-2013) involves several parties including the biological father, Dusten Brown, who is a Cherokee citizen, the Non-Native adoptive parents, the Capobiancos, the Cherokee Nation, and most importantly the baby who is now a child getting ready to start school, Veronica. It is a complex child custody case, but one that is well supported in Federal Indian Law and Policy with the Indian Child Welfare Act (ICWA) of 1978 and Mississippi Band of Choctaw Indians v. Holyfields (1989). In the beginning of the Adoptive Couple v. Baby Girl et al case (or famously known simply as the Baby Veronica case), the South Carolina Family Court and Supreme Court used the legalese of the ICWA to uphold the biological father's parental right to stop the adoption of his child. However, in an interesting turn of events the case was then taken up by the United States (U.S.) Supreme Court where it was ruled that the biological father was not an Indian parent as defined by ICWA (before the child was placed with the prospective adoptive couple there was no preexisting custody of the newborn child by the father) and stating that state law applied and not ICWA in this case and since the father was not married to the birth mother and had not paid child support he was not deemed a parent by South Carolina’s definition of the word. The most recent decision came from the South Carolina court stating that Baby Veronica, after two years of living with her father, must be returned to the prospective adoptive parents. Most everyone out there felt sadness for the prospective adoptive couple who had loved and provided for this child for two years, but all adoptive/foster parents know there is always a chance for the natural parents to object to the placement (it is called legal risk in child welfare). Each state sets their own laws on how long the natural parents have to change their mind, but in this case the biological father was not even aware that the biological mother was planning on giving the child up for adoption. Once he discovered the adoption, four months after the child was born and had been living with the Capobiancos since birth, he filed a petition to stop it and regain custody. This action would lead to a four year long custody battle. While it is important to look at all the facts and the history of the ICWA (and now the future of the ICWA) this dissertation focuses mostly on the public perception of the case. This case has received a fair amount of media coverage throughout the United States including a one-hour episode on Dr. Phil which aired on CBS. It is not often that something happening in Indian County makes it to mainstream media/attention, but when it does there is usually a great deal of misunderstanding on the issue. This is also true for most of the coverage and public responses from the media. This time around it was also true of the U.S. Supreme Court who focused too much attention on Dusten Brown’s blood quantum and not his cultural upbringing. Further the majority of the Supreme Court Justices held that the problems that existed pre-ICWA are not really a problem anymore which is reverberated through the public's perception. It is the intention of this dissertation to follow and analyze the media and the public of this particular case and the ICWA in general through the theories of framing and Red Power. In the social sciences framing is the social construction of a social phenomenon (the Baby Veronica case) by mass media sources (newspapers and television shows), political or social movements, political leaders (Chief John Baker of the Cherokee Nation), or other actors and organizations (National Indian Child Welfare Association). The individual's perception of the facts and meaning attributed to words or phrases will be influenced by some or all of these entities. A frame creates rhetoric in a way that can either encourage or discourage certain interpretations. Stereotypes are one example of framing and are seen in the Baby Veronica case especially as people try to define what it means to be Cherokee. Red Power can be seen as a frame, but is also an American Indian theory that links ethnic pride and political activism to a resurgence of Indian identity. There was a lot of ethnic pride and political activism that took place in favor of Dusten Brown retaining custody of his daughter which no doubt heightened the Cherokee Indian identity, but unfortunately in this case this resurgence would not be enough to keep Veronica, now at the age of four, living with her biological father. However, this dissertation will conclude with some possible recommendations for the Indian Child Welfare Act and the future of American Indian child custody cases.

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Shrewsbury, Jeffrey. „Perceptions of job satisfaction in an ICF/MR environment“. Huntington, WV : [Marshall University Libraries], 2002. http://www.marshall.edu/etd/descript.asp?ref=72.

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Sakai, Osamu. „Experimental Study of Tandem Mirror Plasmas Controlled by ICRF Waves and DC Fields“. Kyoto University, 1995. http://hdl.handle.net/2433/86212.

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Andersson, Annelie, und Elin Andersson. „Omvårdnadsdokumentationens betydelse & utveckling - med fokus på VIPS & ICF“. Thesis, Halmstad University, School of Social and Health Sciences (HOS), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1017.

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Sjuksköterskan är dokumentationsskyldig enligt ett flertal lagar och förordningar. Dessa ger oss ramar men inga enhetliga riktlinjer och verktyg för hur strukturen för omvårdnadsdokumentationen ska se ut. Syftet med litteraturstudien var att granska hur den vetenskapliga litteraturen beskriver omvårdnadsdokumentationen utifrån VIPS-modellen och ICF som tillämpbar inom omvårdnadsdomänen. Metoden som användes var litteraturstudie där sammanlagt 18 st. vetenskapliga artiklar granskades. Resultatet påvisar brister i omvårdnadsdokumentationen. Få av de granskade journalerna uppfyllde kraven enligt patientjournallagen. Enligt granskningsinstrumentet Cat-ch-Ing förbättrades dokumentationen efter utbildningsinterventioner som byggde på VIPS-modellen.

Det framkom en diskrepans mellan patienters egen uppfattning av sina problem, sjuksköterskors uppfattning och vad som fanns dokumenterat i journalen. Sjuksköterskan skriver ner sina iakttagelser utan att stämma av med patienten. Studierna visade att de flesta omvårdnadsdiagnoser kunde omvandlas till International Classification of Functioning, Disability and Health (ICF) koder. I vissa fall ansåg sjuksköterskorna att koderna inte var tillräckligt specifika. Konklusionen är att en dokumentationsmodell eller klassifikation inte är tillräckligt för att säkerställa kvalitén i omvårdnadsdokumentationen utifrån omvårdnadsprocessen och gällande lagar. Som komplement krävs kontinuerlig journalgranskning och återkommande utbildningsinterventioner. ICF-klassifikationen anses tillämpbar inom omvårdnadsdomänen och kan främja en tvärprofessionell kommunikation. De tillkortakommanden som identifierats kan undanröjas genom att sjuksköterskor tar en aktiv roll i kommande revisioner. Om ICF skall implementeras måste det ske nationellt.

Dokumentationen bör förenklas i så stor grad som möjligt i standardiserade modeller så tid kan ägnas åt det patientnära arbetet. ICF är en strukturerad modell som kan underlätta dokumentationsarbetet.

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Galloway, Conner Daniel (Conner Daniel Cross). „Isothermal model of ICF burn with finite alpha range treatment“. Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/53296.

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Thesis (S.M. and S.B.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2009.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 67).
A simple model for simulating deuterium tritium burn in inertial confinement fusion capsules is developed. The model, called the Isothermal Rarefaction Model, is zero dimensional (represented as ordinary differential equations) and treats disassembly in the isothermal limit. Two substantive theoretical developments are contained in this model; one is an improved treatment of fast alpha slowing down, and the other is a calculation of the fusion product source distributions and their energy moment. The fast alpha stopping treatment contains a derivation of the Fraley fractional energy splitting functional form, fe = 1/(1 + xTe), resulting in an expression for the numerical factor x which will be defined as the Fraley parameter. The average thermal energy which is lost from the thermal ion distribution when two particles fuse is found from the energy moment of the fusion product source distribution. This energy contributes to the energy of the fusion products. A third theoretical development that is discussed for completeness and future use, but not yet incorporated in the Isothermal Rarefaction Model, is the 4T theory of matter-radiation energy exchange in homogenous optically thick media. The isothermal rarefaction model assumes an optically thin to marginally thick plasma, and only Bremsstrahlung emission and absorption are treated in this thesis. The 4T theory for optically thick media has been published. A sampling of results using the Isothermal Rarefaction Model is presented.
by Conner Daniel Galloway.
S.M.and S.B.

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Madden, Rosamond Helen. „ICF and the disability universe: specificity in a complex world“. Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15782.

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Background and aims: The International Classification of Functioning, Disability and Health (ICF) defines functioning and disability in terms of Body Functions and Structures, Activities and Participation, influenced by Environmental Factors. I investigated how ICF applications align with ICF aims, contents and principles and how the ICF is used to improve functioning measurement and statistics. I evaluated research since ICF publication for: a change in thinking; applications aligned with ICF specifications and philosophy; and emergence of new knowledge. These themes also frame my six publications included. Results: The ICF is used in diverse applications, settings and countries, in processes largely aligned with the ICF and intended to improve measurement and statistics: new national surveys and information systems; international efforts to improve disability data; new ICF-based instruments. Knowledge is growing about ICF components and interactions, the effects of environment on functioning, the meaning and measurement of participation. My publications contribute to the ICF aims and literature. I advocated greater use of the ICF to inform health and disability policies. To improve ICF applications, I outlined a path to meaningful measurement of functioning and disability, and identified the need for an Integrative Measure of Functioning for use in national programs for diverse populations. To build new knowledge, I demonstrated the relevance of the ICF to monitoring community-based rehabilitation and led development of a monitoring tool for use by low resource communities. Conclusion: The ICF provides specificity and a common language in the complex world of functioning and disability and is stimulating improvements in measurement and statistics. The field nevertheless needs to mature. Identified gaps suggest ways to improve measurement and statistics to underpin improved policies, services and outcomes for people with diverse challenges in functioning.

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Williams, A. Lynn, Lori J. Marks, R. Barnhart und Susan Epps. „ICF-CY: Basis for a Conceptual Model for Interprofessional Education“. Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/2067.

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Johansson, Marie. „Ett gemensamt språk för pedagogisk kartläggning : ICF som möjlig väg eller återvändsgränd?“ Thesis, Högskolan i Jönköping, Högskolan för lärande och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-17215.

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Problem och syfte: Medlemsländerna i Världshälsoorganisationen söker implementera WHO: s klassifikation av funktionstillstånd, funktionshinder och hälsa. Klassifikationen ICF bygger på ett helhetstänkande där människors hälsoegenskaper inom den kontext som deras personliga livssituationer och omgivning skapar beskrivs (Socialstyrelsen, 2003). Specialpedagogiska skolmyndigheten (SPSM) föreslår en mall för kartläggning av elever enligt ICF-CY (Children & Youth Version, 2007) inför upprättande av individuell utvecklingsplan eller åtgärdsprogram. Syftet med undersökningen är att utvärdera hur lärare upplever att mallen skapar förutsättningar för ett gemensamt språk. Metod: Undersökningen är kvalitativ och har en fenomenologisk ansats. Sex lärare har intervjuats enskilt genom halvstrukturerad livsvärldsintervju. Lärarna saknade tidigare erfarenhet av klassifikationen ICF. Perspektivet är språk och implementering. Resultat: Resultatet visar att lärarna upplever otydlighet i hur kartläggningsmallen informerar om bakgrund till ICF, vilka som är kartläggningens målgrupp, i instruktioner för genomförandet av kartläggningen och i de begrepp som används. Lärarnas upplevelser talar för att mallen till stora delar saknar förutsättningar för att skapa ett gemensamt språk.

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Eriksson, Kristina, und Lotta Ericsson. „Implementering av Klassifikation av funktionstillstånd, funktionshinder och hälsa (ICF) inom kommunal äldre- och handikappomsorg : en deskriptiv studie av åtta kommuners införande och användande av ICF“. Thesis, Örebro universitet, Institutionen för hälsovetenskap och medicin, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-22920.

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Abstract: Syfte: Att beskriva hur kommunernas äldre- och handikappomsorg infört och använder sig av ICF. Metod: Semistrukturerade telefonintervjuer med representanter för åtta svenska kommuner. Intervjuerna har transkriberats och analyserats genom kvalitativ innehållsanalys, Resultat: Resultatet redovisas under två teman. Ett tema handlar om hur kommuner infört ICF i kommunernas äldre- och handikappomsorg, med kategorierna införande i journalstruktur och införande av tankemodell. Ett tema handlar om hur kommunerna använder ICF i kommunernas äldre- och handikappomsorg. Kategorierna under det temat är användning i journalstruktur, användning av tankemodell och problem och utvecklingsbehov. Två olika typer av införande och användningssätt av ICF inom kommunernas äldre- och handikappomsorg framkom i studien. Införandet initieras ofta av medicinskt ansvarig för rehabilitering (MAR) eller medicinskt ansvarig sjuksköterska (MAS) och startar vanligtvis i projektform för båda arbetssätten. Två av kommunerna använder sig mest av den första delen i den svenska versionen av ICF, som handlar om ICF:s tankemodell och sex komponenter, för att göra en brukarnära kartläggning och formulera beslutsunderlag. I de övriga sex kommunerna används ICF:s komponenter och klassifikationer som sökord i journalsystemens sökordsträd. Diskussion: Studien visar att delaktighet, friskperspektiv och helhetssyn inte är något som automatiskt följer med när ICF införs. Det framstår som om användningen kräver mer utbildning om, och mera bearbetning av ICF än vad kommunerna hade trott från början. Det framgår tydligt av studien att arbetsterapeuter har lättare att ta till sig tankesättet medan sjuksköterskor har betydligt svårare. Eftersom ICF är på stark frammarsch så behöver inslagen av ICF öka i alla vårdutbildningar. Sökord: International Classification of Functioning, Disability and Health, Äldreomsorg, Arbetsterapi, Hälsa, Social omsorg

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Bobkov, Volodymyr. „Studies of high voltage breakdown phenomena on ICRF (ion cyclotron range of frequencies) antennas“. [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968917844.

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Garrett, Michael Lane. „Mitigation of RF sheaths through design and implementation of magnetic field-aligned ICRF antenna“. Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77084.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 133-138).
In ITER and in eventual reactors, enhanced impurity confinement due to internal transport barriers (ITBs) and H-mode operation establishes a very low tolerance for high-Z impurities [1]. Experiments have shown that impurity accumulation increases as power in the ion cyclotron range of frequencies (ICRF) is increased [2]. As a result, one of the primary challenges of ICRF heating is the reduction or elimination of impurities introduced into the plasma during ICRF operation, particularly for tokamaks with high-Z plasma facing components (PFCs). Plasma impurities associated with ICRF auxiliary heating are universally observed [3, 4, 5, 6]. However, the underlying physics of ICRF-specific impurity generation is not well understood, and observations of impurity characteristics differ among various tokamak experiments. Several methods have been proposed to reduce ICRF-specific impurity characteristics: low-Z PFC coatings such as boronization [7]; toroidal phasing of antenna straps [3]; and alignment of antenna Faraday screen elements with the total magnetic field [8]. On Alcator C-Mod we have designed a new magnetic field-aligned ICRF antenna to minimize ICRF-specific impurity characteristics. The field-aligned antenna is rotated 100 from horizontal, such that the antenna straps are perpendicular to the total magnetic field at the edge for a typical plasma discharge (BT ~ 5.4 T, 1, ~ 1 MA). ICRFinduced E-parallel is a likely candidate for producing enhanced sheath voltages that lead to greatly increased sputtering of material surfaces and enhanced impurity edge transport. Initial simulations performed using both slab and cylindrical geometry suggested nearly complete cancellation of E-parallel in front of the antenna structure for certain toroidal phasings. Using toroidal models, the cancellation of E-parallel is more modest, suggesting 3-D geometrical effects are important. Multiple antenna phases were analyzed for the field-aligned antenna using finite element method with a 3-D toroidal cold plasma model. In each case, the field-aligned antenna had reduced integrated E-parallel relative to the existing non-aligned antenna geometry, with the greatest reduction for monopole [0, 0, 0, 0] phasing. Initial results suggest that the field-aligned antenna operation results in fewer impurities in the plasma than conventional antennas.
by Michael Lane Garrett.
S.M.

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Kubic, Martin. „Étude expérimentale d'interactions entre antennes HF et plasma périphérique d'un Tokamak“. Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0220/document.

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Les antennes en opération dans la gamme de fréquence cyclotron ionique représentent un moyen utile pour chauffer du plasma dans les tokamaks et autres plasmas de fusion. Ces systèmes de chauffage sont amenés à jouer un rôle important dans le projet ITER. Conjointement avec le chauffage souhaité, les interactions parasites avec le bord du plasma et de la limite des matériaux apparaissent. Plusieurs de ces effets délétères sont causés par la formation de la radio-fréquence des gaines. L'objectif de cette thèse est d'étudier, principalement de façon expérimentale, les modifications du plasma de bord «scrape-off layer» causées par les effets non-linéaires des gaines RF. Cela se fait en utilisant les sondes électrostatiques (de Langmuir, Retarded Field Analyser, tunnel) pour différentes configurations du plasma et des antennes: avec des études paramétriques en fonction du déséquilibre entre les émetteurs de l'antenne, de la puissance injectée et de la densité SOL. De plus, l'influence des gaines RF sur les mesures du potentiel de la gaine avec le RFA sont analysées. Cette étude s'effectue à l'aide d'un code 1D basé sur le modèle cinétique «particle-in-cell». Ces simulations ont montré que la RFA est capable de mesurer de manière fiable le potentiel gaine, toutefois cela reste limité pour les fréquences de plasma ionique wpi proche de la fréquence injectée wrf. Par contre, pour des conditions réelles du SOL (wpi>wrf), quand RFA est magnétiquement connectée à la structure de l'antenne RF, il est fortement sous-estimé. Enfin, les mesures de RFA dans Tore Supra indiquent que les potentiels RF se propagent au moins jusqu'à de 12m de l'antenne le long de lignes de champ magnétiques
Antennas operating in the ion cyclotron range of frequency (ICRF) provide a useful tool for plasma heating in many tokamaks and are foreseen to play an important role in ITER. However, in addition to the desired heating in the core plasma, spurious interactions with the plasma edge and material boundary are known to occur. Many of these deleterious effects are caused by the formation of radio-frequency (RF) sheaths. The aim of this thesis is to study, mainly experimentally, scrape-off layer (SOL) modifications caused by RF sheaths effects by means of Langmuir probes that are magnetically connected to a powered ICRH antenna. Effects of the two types of Faraday screens' operation on RF-induced SOL modifications are studied for different plasma and antenna configurations - scans of strap power ratio imbalance, injected power and SOL density. In addition to experimental work, the influence of RF sheaths on retarding field analyzer (RFA) measurements of sheath potential is investigated with one-dimensional particle-in-cell code. One-dimensional particle-in-cell simulations show that the RFA is able to measure reliably the sheath potential only for ion plasma frequencies wpi similar to RF cyclotron frequency wrf, while for the real SOL conditions (wpi > wrf), when the RFA is magnetically connected to RF region, it is strongly underestimated. An alternative method to investigate RF sheaths effects is proposed by using broadening of the ion distribution function as an evidence of the RF electric fields in the sheath. RFA measurements in Tore Supra indicate that RF potentials do indeed propagate from the antenna 12m along magnetic field lines

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Glocker, Catherine. „Validation of the Comprehensive ICF Core Set for Low Back Pain“. Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-114329.

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Lana, Erica. „Epigenetic modifications, heterochromatic gene expression and DNA replication in ICF syndrome“. Thesis, Montpellier 1, 2011. http://www.theses.fr/2011MON1T011.

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Au cours de ma thèse, je me suis intéressée à deux modifications épigénétiques dans les cellules humaines, la méthylation de l'ADN et les modifications d'histones, et à leur relation avec deux processus cellulaires fondamentaux : l'expression génique et la réplication de l'ADN, en accordant une attention particulière aux gènes hétéro-chromatiques. J'ai étudié ces relations à travers des projets distincts en utilisant le syndrome ICF (Immunodeficiency, Centromeric instability, Facial abnormalities) comme modèle commun. Causé par un défaut épigénétique constitutif (inactivation de la DNA méthyltransfèrase 3B), le syndrome ICF (OMIM #242860) représente une source exclusive d'informations sur le rôle des modifications épigénétiques chez l'Homme. Dans un premier projet, nous avons montré que les gènes hétérochromatiques sont soumis à une hypométhylation importante et échappent à la répression transcriptionnelle dans le syndrome ICF, avec la conservation des marques d'histones. Dans une deuxième étude, nous avons observé que dans les cellules ICF la réplication du génome était plus rapide, concomitant avec une réduction de la longueur de phase S. De plus, nous avons observé un timing de réplication avancé au niveau de deux loci hétérochromatiques chez les patients ICF analysés. En parallèle de ces deux projets, j'ai mené un troisième projet, plus appliqué, centré sur le cancer colorectal.Dans ce projet, nous avons étudié la fiabilité d'un nouveau biomarqueur épigénétique (hypométhylation des loci B melanoma antigen) dans la détection des lésions pré-cancéreuses et montré que l'hypométhylation des loci BAGE est un événement précoce de la transformation des cellules du colon et est fréquent dans les adénomes histologiquement avancés
During my PhD I studied two epigenetic modifications that occur in human cells, DNA methylation and histone modifications, and their relationship with two fundamental cellular processes: gene expression and DNA replication, with a particular attention to heterochromatic genes. I investigated this relationship in distinct projects using ICF (Immunodeficiency, Centromeric instability, Facial anomalies) syndrome as a common model. ICF syndrome (OMIM ID #242860) represents an exclusive source of information on the role of epigenetic modifications in humans, being caused by a constitutive epigenetic defect (i.e. de novo DNA methyltransferase 3B mutations). In a first project we showed that heterochromatic genes undergo hypomethylation and escape from silencing in ICF syndrome, with preservation of histone marks. In a second study we observed that whole-genome DNA replication is faster in ICF cell lines, with a concomitant shortening of the S-phase length. Besides, we observed earlier replication timing at two heterochromatic loci. In addition to these two studies, I carried out a third more applicative project focused on colorectal cancer. In this project we investigated the reliability of a new epigenetic biomarker (hypomethylation of B melanoma antigen loci) in the detection of pre-cancerous lesions and showed that BAGE loci hypomethylation is an early event in colon transformation and is frequent in histologically advanced adenomas

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Long, Katie, dos Santos Daniel Bonfanti, Isadora Pelissari, Melo Andrea de, Fernanda Pichini, da Silva Thalissan Finamor, Kelsey Greif, Hanau Leticia Pessota, Simonede Simoni und Ken Bleile. „Narrative Review of Speech Sound Disorders within an ICF-CY Framework“. Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/2051.

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Caruso, Ileana. „Salute e disabilità secondo il modello biopsicosociale. Una ricerca applicata nel contesto universitario catanese“. Thesis, Universita' degli Studi di Catania, 2011. http://hdl.handle.net/10761/387.

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L'OMS (Organizzazione Mondiale della Sanita'), gia' dal 1948, definiva la salute come qualcosa di piu' della sola assenza di malattia: uno stato di completo benessere fisico, mentale e sociale. Inizio' ad emergere, quindi, una chiave di lettura innovativa del concetto di salute, che e' stata successivamente adottata dal modello biopsicosociale. Attraverso questo nuovo approccio, la disabilita' viene intesa, infatti, come la conseguenza o il risultato di una complessa relazione tra la condizione di salute di un individuo, i fattori personali e quelli ambientali che rappresentano la realta' in cui egli vive. Ne consegue che ogni individuo, date le proprie condizioni di salute, puo' trovarsi in un ambiente sfavorevole che limita o restringe le proprie capacita'funzionali e di partecipazione sociale. L'ICF(International Classification of Functioning, Disability and Health), correlando la condizione di salute con l'ambiente, promuove un metodo di classificazione della salute, delle capacita' e delle limitazioni nello svolgimento delle diverse attivita', che permette di individuare gli ostacoli da rimuovere o gli interventi da effettuare affinche' l'individuo possa realizzare il proprio progetto di vita. La ricerca e' stata attuata nell'ambito delle attivita' del CInAP-Centro per l'Integrazione Attiva e Partecipata dell'Universita' degli Studi di Catania. Lo studio e' nato dall'esigenza di verificare l'idoneita dell'utilizzo di tale modello per l'attribuzione e l'attivazione dei servizi offerti agli studenti universitari con disabilita'. Un'esigenza, questa, sorta dalla necessita' di rispondere, attraverso politiche mirate, alla responsabilita' di fornire a tali studenti pari opportunita' di studio.
Since 1948, the World Health Organization has defined the concept of health as something more than the mere absence of illness, i.e. a state of complete physical, mental and social well-being. From that moment on, an innovatory key to the reading of health concept began to dominate and has been successfully adopted as biopsychosocial model. Thanks to this approach, the disability is regarded, as a matter of fact, as the consequence or the result of a complex relation given by the health of an individual, his/her personal and environmental factors, which represent the real context where the individual self lives. It follows that every individual, according to his/her own state of health, may be in an unfavourable environment, which limits as well as reduce his/her own functional and social participation skills. The International Classification of Functioning, Disability and Health that correlates the state of health with the environment, promotes a methodology of classification concerning health, skills, and limitations during the progress of different activities made by human beings. This helps detect those obstacles whose removal is necessary, or those interventions to be made so that the individual may fulfil his/her own "life project". This piece of research has been carried out as part of the activities promoted by CInAP (Centro per l'Integrazione Attiva e Partecipata dell'Universita' degli Studi di Catania) a centre of the University of Catania, which aims at giving active and diligent integration to disabled students. The study arose from work reasons to verify the suitability of using such a methodology to offer responsibly our supportive service to university students with disabilities through equal opportunity of study.

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Feeney, Katherine M. „Investigations of G2/M decatenation checkpoint control, using the DNA topoisomerase II inhibitor ICRF-193“. Thesis, University of Ulster, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529562.

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Peng, Scott Y. (Scott Yuan). „Study of ICRF wave propagation and plasma coupling efficiency in a linear magnetic mirror device“. Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13533.

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Skyum, Cecilia. „Förskolebarn upplevelser av lycka : Kopplat till ICF-CYs klassifikation av barns hälsa“. Thesis, Mälardalens högskola, Akademin för hälsa, vård och välfärd, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-30894.

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Syftet med denna studie var att undersöka hur lycka upplevs av förskolebarn. Individuella intervjuer gjordes med 26 förskolebarn (73% pojkar) mellan 4 och 5 år, med hjälp av en semistrukturerad intervjuguide. Tidigare forskning har visat på att lycka har många delar så som kärlek, välbefinnande, tillfredställelse, god hälsa och att lycka skulle kunna vara något större så som meningen med livet. Materialet analyserades med stöd av ICF-CY och resultatet visade att barn upplevde lycka när de kände sig delaktiga i ett sammanhang. Omgivningsfaktorer, så som att barnen fick något av materiell karaktär samt familjekontexten har också betydelse om barn känner sig lyckliga. Barn ville känna sig delaktiga, ha en stabil omgivning och kärleksfulla nära relationer. Denna studie bidrar till att belysa barns egen uppfattning av just begreppet lycka samt ger kunskap som bidrar till att kunna upprätthålla barns chans att få känna lycka. Vidare forskning skulle vara att undersöka om olika personlighets typer har olika uppfattning om lycka.

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Williams, A. Lynn, und Brenda Louw. „International classification of functioning, disability, and health: ICF-CY World Health Organization“. Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/2012.

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Silva, Paulo Roberto Diniz da. „Estudos de micropropagação em condições fotoautotróficas e métodos histoquímicos em eugenia uniflora l. (Myrtaceae)“. Universidade Federal do Pampa, 2016. http://dspace.unipampa.edu.br:8080/xmlui/handle/riu/513.

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Submitted by Ana Damasceno (ana.damasceno@unipampa.edu.br) on 2016-09-13T17:27:22Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) ESTUDOS DE MICROPROPAGAÇÃO EM CONDIÇÕES FOTOAUTOTRÓFICAS EUGENIA UNIFLORA L..pdf: 2307376 bytes, checksum: 051fc4c36e9557f153142034fa726c5a (MD5)
Made available in DSpace on 2016-09-13T17:27:23Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) ESTUDOS DE MICROPROPAGAÇÃO EM CONDIÇÕES FOTOAUTOTRÓFICAS EUGENIA UNIFLORA L..pdf: 2307376 bytes, checksum: 051fc4c36e9557f153142034fa726c5a (MD5) Previous issue date: 2016-04-28
A Eugenia uniflora L.(Myrtaceae) é uma espécie nativa, que apresenta potencial econômico e farmacológico. A micropropagação é uma importante ferramenta na obtenção de plantas sadias e de alta qualidade. A aclimatização é uma fase limitante devido ao estresse hídrico, decorrência às baixas sobrevivência e capacidade fotossintética são causadas pelas concentrações de sacarose, a alta umidade e a baixa irradiância. A micropropagação fotoautotrófica emprega reduções do açúcar do meio de cultura e da umidade relativa nos recipientes. Também, o aumento do gás carbônico e de ventilação natural ou ventilação forçada. Este trabalho teve por objetivo de testar a micropropagação fotoautotrófica de Eugenia uniflora L., com utilização de quatro concentrações de sacarose (0, 10, 20 e 30 g) e ventilação natural. A interação dos resultados demostraram que a micropropagação fotoautotrófica testada não apresentou bom desempenho e o problema não está na concentração de gás carbônico ou na ventilação natural, mas na qualidade de luz dentro da câmara de crescimento.
Eugenia uniflora L. (Myrtaceae) is a native species, which has economic and pharmacological potential. The micropropagation is an important tool in raising healthy plants and high quality. Acclimatization is a limiting stage due to water stress, due to the low survival and photosynthetic capacity are caused by concentrations of sucrose, high humidity and low irradiance. The photoautotrophic micropropagation employs sugar reductions of the culture medium and the relative humidity in the containers. Also, the increase in carbon dioxide and natural ventilation or forced ventilation. This study aimed to test the photoautotrophic micropropagation of Eugenia uniflora L., using four sucrose concentrations (0, 10, 20 and 30 g), and natural ventilation. The interaction of the results demonstrated that the micropropagation Photoautotrophic tested did not show good performance and the problem is not in concentration of carbon dioxide or natural ventilation, but the quality of light within the growth chamber.

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Talman, Lena. „Brukarorganisationers syn på ICF som arbetsredskap – och dess betydelse för erkännande och omfördelning“. Thesis, Halmstad University, School of Social and Health Sciences (HOS), 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-2944.

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This study was about disability organisations opinion concerning ICF: s importance in their work to receive the same recognition and human rights for their members as citizens. The aim has been to elucidate disability organisations awareness about and use/non use of ICF and to increase the understanding of ICF: s importance for recognition and redistribution. Three different methods have been used: literature study, questionnaire survey, both on counties' (27) - and national (26) level and interviews (5) on national level. There is also a distinct difference between the disability organisations that represents people with visible impairments, who don’t think that ICF is so useful and they that represent people with invisible impairments, who thinks that ICF is a useful tool. This difference exists both in the use of ICF and the classifications importance for recognition but not ICF: s importance for redistribution. The main conclusion of the study is that awareness about and education around ICF is needed among disability organisations. A restructuring of ICF is also needed, the language should be simplified and the codes should be faded down so that the focus will be on ICF: s intention and the mind map that the classification offers. This is also necessary so that ICF becomes accessible for everybody.

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Rodin, Lillemor. „Självbestämmande i boende, fritid och arbete : - Hur personer med begåvningshandikapp kan uppleva sin delaktighet i samhället“. Thesis, Mid Sweden University, Department of Health Sciences, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-9215.

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Personer med begåvningshandikapp har inte alltid haft rätten till att leva ett självständigt liv med resterande medborgare ute i samhället. Utan istället har de gömts undan på ett liv vid institutionerna ute på landet. När kommunerna tog över ansvaret för dessa individer förändrades deras levnadsvillkor och rehabiliteringen skulle ske utifrån individernas egna förutsättningar. De skulle även få rätten till egna lägenheter ute i samhället och alla individer skulle behandlas lika. Syftet med denna studie var att ta reda på hur några personer med begåvningshandikapp på C-nivå, kunde uppleva sina egna levnadsvillkor om delaktighet i deras egna LSS insatser på gruppbostäder. Undersökningen bestod av fyra stycken deltagare som hämtades från två olika gruppbostäder. En kvalitativ undersökning valdes med semi - strukturerade intervjuer. Resultatet visar på att en del brister fortfarande fanns för dessa individer men man kunde se att levnadsförhållandena hade förändrats för dem. Alla deltagare trivdes bra i sina hem men någon önskade våga berätta mer för personalen, om hur de själva ville ha det. Man berättade också att i stora drag va de nöjda med deras godemän och personalens kontaktpersoner. Det var bara en deltagare som hade en kontaktperson. Och beroende på om deltagarna hade gått i pension eller arbetade såg deras självbestämmande för sina arbeten varierande ut.

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Ljunggren, Eva. „Reliabilitetsprövning av gång- och förflyttningsförmågaenligt ICF hos ungdomar med cerebral pares avseende själv- respektive föräldraskattning“. Thesis, Linköpings universitet, Institutionen för medicin och hälsa, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72369.

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Bakgrund: Behovet av reliabla, kliniskt användbara utvärderingsinstrument för sjukgymnastinsatser inom pediatrik är stort. Studien undersöker huruvida klassifikationssystemet ICF (Klassifikation av funktionstillstånd, funktionshinder och hälsa) bidrar till detta. Syfte: Undersöka test-retest-reliabilitet för nio utvalda moment avseende ”Att gå och röra sig omkring” under kapitlet Förflyttning inom komponenten Aktivitet och Delaktighet i ICF för ungdomar med fysiska funktionshinder pga cerebral pares (CP), genom att låta ungdomarna själva och en föräldrer bedöma ungdomens funktionsförmåga. Även undersöka om det föreligger skillnader mellan ungdomarnas respektiveföräldrarnas bedömningar. Metod: Studiematerialet utgjordes av 33 ungdomar, med respektive förälder, på högstadieoch gymnasienivå, med diagnosen CP, GMFCS I-III (Gross Motor Function Classification System). Överenstämmelsen mellan bedömningstillfällena beräknades med hjälp av Spearman Correlation Coefficient samt Elisabeth Svenssons metod för stabilitet mellan två mättillfällen. Skillnader mellan ungdomarnas respektive föräldrarnas bedömningar beräknades med hjälp av Fisher’s Exact Test. Konfidensintervall och Z-score beräknades också utifrån Elisabeth Svenssons metod. Resultat: Beräkningarna avseende överensstämmelse visade sammantaget att sju av de nio momenten bedömdes äga tillfredsställande tillförlitlighet såvida föräldern genomförde bedömningen, medan så var fallet för endast tre av momenten, när ungdomen gjorde bedömningen. Beräkningar avseende skillnader mellan ungdomarnas respektive föräldrarnas bedömningar visade sammantaget signifikant skillnad för tre av momenten. Konklusion: Resultatet visade att sju av de nio testade momenten sammantaget kunde beaktas som reliabla beträffande bedömning av gång- och förflyttningsförmåga för ungdomar med CP, GMFCS I-III. Tillförlitligheten var generellt sett högre såvida föräldern gjorde bedömningen. Skillnader mellan ungdomarnas respektive föräldrarnas bedömningar förekom sammantaget för tre av momenten.

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Sagahutu und Jean Baptiste. „Use of the International Classification of Functioning Disability and Health (ICF) as a theoretical framework to inform interprofessional assessment and management by health care professionals in Rwanda.: a cluster randomised control trial“. Thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/28379.

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Background: Effective collaboration between health professionals can reduce medical errors and assist in interpretation of health information resulting in improved patient care. The International Classification of Functioning, Disability and Health (ICF) has been suggested as a potential framework to help health professionals develop a common language for better collaboration and to provide more holistic care. In the main, Rwandan district hospitals still utilise the hierarchical medical model of health. Aim: The aim of the study was to determine whether training on interprofessional practice, using the ICF framework, resulted in improved knowledge, attitudes and behaviour(as determined by improved recording of interprofessional assessment and management in patient records) in randomly selected Rwandan District Hospitals. Methodology: This study was composed of two phases. Phase I: Preparation. The intervention programme was developed based on a literature review and input from an international panel of experts. A feasibility study in which self-designed instruments and the training programme were tested was undertaken in one district hospital. Phase II: A Cluster Randomised Control Trial. Four district hospitals were randomly allocated to receive a day’s training in interprofessional practice using the ICF (experimental hospitals) or a short talk on the topic (control hospital). Participants included medical doctors, nurses, physiotherapists, social workers, nutritionists, and mental health nurses/clinical psychologists. Using self-designed and validated measures, pre- and postmeasurements of knowledge and attitudes towards Interprofessional Practice (IPP) were performed at baseline and after training and audit of patients’ records after discharge was performed at baseline and at two, four and six months. The independent t-test and Mann-Whitney U test were used to establish if the two sets of groups were equivalent before and after training at baseline and at two, four and six months. Repeated measures ANOVA and the post-hoc Tukey test were used to compare the audit scores at each time point. The Kruskal Wallis test was used to compare rankings of the scores of attitudes of different professions before and after the intervention. Ethical approval was obtained from the Human Research Ethics Committee of the University of Cape Town and the Rwandan National Ethics Committee.

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Eckert, Katharina Gesa. „Körperliche Aktivität im System einer individualisierten Gesundheitsversorgung“. Doctoral thesis, Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-203720.

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Gesellschaftsstrukturelle Veränderungen sowie individuelle Verhaltensweisen wirken sich zunehmend auf das Krankheitsspektrum in Deutschland aus und stellen das Gesundheitssystem vor neue Herausforderungen. Mittlerweile zählen chronisch-degenerative Erkrankungen zu den häufigsten Gesundheitsproblemen. Die positiven Einflüsse von regelmäßig körperlicher Aktivität als adjuvante Therapie auf die Behandlung und den Verlauf sind bei den meisten chronischen Erkrankungen umfangreich dokumentiert. Dabei werden die Potenziale körperlicher Aktivität vielfältig sichtbar und lassen sich auf funktionell somatischer, psychosozialer und pädagogischer Ebene nachweisen. Die veränderten Anforderungen im Gesundheitssystem verlangen auch von sport- und bewegungstherapeutischen Ansätzen eine inhaltliche Anpassung, die gezielt den aktuellen Versorgungsbedarfen gerecht wird und erfordert zur Legitimationsprüfung dieser geeignete Assessmentverfahren, die einem biopsychosozialen Gesundheitsverständnis entsprechen. Es erscheint sinnvoll, neue Zugangswege zur Aufnahme von körperlicher Aktivität zu ebnen bzw. bestehende Strukturen intensiver zu nutzen, um diese Therapieform bedarfsorientierter im Versorgungssystem zu implementieren. Die Ergebnisse der eigenen Forschungsarbeiten zu den Effekten verhaltensorientierter Bewegungsprogramme im Versorgungskanon der Disease Management Programme weisen darauf hin, dass der gewählte Zugangsweg vielversprechendes Potenzial birgt, um die gesundheitliche Versorgung chronisch Kranker vor einem individuellen und zugleich systemischen Bedarf zu verbessern, auch wenn bei der inhaltlichen Ausgestaltung einige Inhalte diskussionswürdig bleiben. Zudem verdeutlichen und begründen die eigenen Forschungsergebnisse, dass bei der Erfassung körperlicher Aktivität im gesundheitsorientierten Sport über eine Perspektiverweiterung nachgedacht werden sollte. In der Sportwissenschaft bedient man sich einer Fülle an Fragebögen, um körperliche Aktivität zu erfassen. Dabei zielen die meisten Inventare darauf ab, den Aktivitätsumfang einer Person oder Population in einen energetischen Outcome oder Zeitumfang zu transferieren und somit zu quantifizieren. Zur Bestimmung der Dosis-Wirkungs-Beziehung von körperlicher Aktivität und bestimmten Gesundheitsparametern ist dies unumgänglich, vor einem biopsychosozialen Gesundheitsverständnis aber nicht weitreichend genug. In der abschließenden Zusammenfassung der Ergebnisse werden diese inhaltlich verknüpft, kritisch diskutiert sowie bewertet und es werden praktische Implikationen und weiterführende Forschungsfragen im Kontext der bewegungsbezogenen Versorgungsforschung erörtert.

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Tsujii, Naoto. „Studies of ICRF mode conversion with phase contrast imaging and full-wave simulations in Alcator C-Mod“. Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/79259.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 199-211).
Radio frequency (rf) waves in the ion cyclotron range of frequencies (ICRF) are widely used for heating fusion plasmas. In a multi-ion-species plasma, the launched fast waves convert to ion cyclotron waves and ion Bernstein waves in the vicinity of the two-ion hybrid resonance between the cyclotron resonances. The mode converted waves are of interest as actuators to optimize plasma performance through current drive and flow drive. Numerical simulations are essential to describe these processes accurately in a realistic tokamak geometry, and it is important that these simulation codes be validated against experiment. The phase contrast imaging (PCI) technique has been used on Alcator C-Mod to measure directly the rf waves. The measurements were compared to predictions of full-wave simulations using a synthetic diagnostic method. The measured mode converted wave intensity was found to be a factor of ~50 weaker than what was expected from the linear wave theory in a strong mode conversion regime. The agreement improved when the wave intensity was weaker, which is a possible indication of nonlinear wave physics being involved.
by Naoto Tsujii.
Ph.D.

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Malm, Linda, und Anna Ahlbom. „Internationell klassifikation av funktionstillstånd, funktionshinder och hälsa (ICF) utifrån ett hjälpmedelsperspektiv : - en litteraturstudie“. Thesis, Örebro universitet, Institutionen för hälsovetenskap och medicin, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-29345.

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Denna kandidatuppsats handlar om Internationell klassifikation av funktionstillstånd, funktionshinder och hälsa (ICF) och dess tillämpning inom hjälpmedelsområdet för vuxna individer. ICF är en beskrivande samling av begreppen hälsa och funktion i ett klassifikationssystem som har utvecklats av världshälsoorganisationen (WHO). Arbetsterapi syftar till att främja hälsa och att förbättra individens förmåga att utföra aktivitet. En viktig arbetsuppgift för arbetsterapeuten är att förskriva hjälpmedel. Syftet med denna studie var att beskriva kunskapsläget gällande tillämpningen av ICF inom hjälpmedelsområdet. För att precisera syftet utformades frågeställningar utifrån ämnet. Metoden var en systematisk litteraturöversikt. Inkluderade vetenskapliga artiklar var både empiriska studier av kvantitativ och kvalitativ design och teoretiska studier. Främst har rullstolsanvändning berörts i studierna. Resultatet visade att ICF är värdefull som modell och i viss mån som klassifikation inom hjälpmedelsområdet. Vanligt förekommande var att ICF fungerade som forskningsverktyg. ICF var användbar för att bedöma hjälpmedelsbehov och utvärdera dess användning. På grund av att komponenterna visades vara allt för generella framkom det att det inte är möjligt att klassificera specifika hjälpmedel eller beskriva deras funktion och syfte inom ICF. Klassifikationen behöver utveckla mer detaljerade kategorier för att bättre kunna tillämpas inom hjälpmedelsområdet. Slutsatser som dragits är att resultatet i denna studie bidrar med data som skulle kunna överföras till hjälpmedelsanvändning hos vuxna individer i olika länder runtom i världen. ICF är inte avsedd att vägleda processen att förskriva hjälpmedel men kan trots det fungera som en beskrivande modell inom hjälpmedelsområdet. Tillämpningen av ICF kan möjliggöra ett bättre samarbete mellan professioner och bidra till ett klientcentrerat arbetssätt. Inom arbetsterapi kan ICF inte tillämpas som enskild modell, eftersom den inte är tillräcklig ur ett arbetsterapeutiskt perspektiv. ICF har visats sig kunna bidra till en bättre matchning mellan individ och hjälpmedel, dock behöver ICF utvecklas för att bättre kunna tillämpas inom hjälpmedelsområdet. Denna studie bidrar med en översikt över hur ICF kan tillämpas inom hjälpmedelsområdet samt ger förslag på vidare forskning kring ämnet.

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Jefferson, Andrew. „Chromosomes structure, nuclear architecture and the regulation of gene expression in ICF syndrome“. Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442821.

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Washington, Karla, Jane McCormack, A. Lynn Williams, Brenda Louw, Nancy Thomas-Stonell und Tammy Hopper. „Person-centered Outcomes in Culturally and Diverse Contexts: International Application of the ICF“. Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/2042.

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This session is developed by, and presenters invited by, Cultural and Linguistic Considerations Across the Discipline. This session was developed by the Convention Program Committee to increase SLPs’ awareness regarding research and clinical applications of the International Classification of Functioning, Disability and Health (ICF) across pediatric and adult populations around the world. Discussants provide perspectives from Australia, Brazil, Canada, Jamaica, and the United States.

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Daremo, Åsa. „Participation in occupational therapy in psychiatric care“. Licentiate thesis, Linköping University, Linköping University, Department of Social and Welfare Studies, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-53776.

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One of the most important challenges of health and medical care is to strength the role of the patient in the treatment. In psychiatric care the patient must be seen as a resource and should be given the opportunity to participate in his treatment. The overall aim of the thesis was to investigate and describe how patients in psychiatric care perceive participation, and how existing assessments support participation.

Study I describes how patients in psychiatric institutional care perceived their opportunities to be active and to participate in their own treatment. The ICF (International Classification of Functioning Disability and Health) inspired the study. By means of a questionnaire, 61 patients reported their opinions of the value of received care, highlighting concepts such as activity and participation. Ten of those patients were then selected for a semi-structured interview. The study showed that patients who were treated according to compulsory care (LPT) were generally more dissatisfied with their opportunities to be active and participate in their own care than patients treated according to the law of health and medical care (HSL). Younger patients in particular were more dissatisfied. Some important factors in the environment were continuity and reception from the staff. Facilitating factors for activity and participation were agreement between patient and staff about the treatment plan, discussions about expectations, and creating conditions for engagement in activities and or responsibility.

Study II investigates if there is harmony between the CPRS-S-A (Comprehensive Psychopathological Rating Scale-Self-Assessment), the OCAIRS–S (Occupational Circumstances Interview and Rating Scale) and the OSA (Occupational Self Assessment), and if they can replace each other when the occupational therapist collects information about the patient. Another aim was to investigate how occupational therapist uses the collected information in the treatment plan process. Fourteen patients with depression disorders took part in the study. The study showed that even if the symptoms of the disease were improved at the end of the treatment period the patients still had problems with occupational performance, reduced self-confidence and the structure of their day. Consequently the assessments cannot replace each other. The study emphasized the importance of using both interview and self-assessments when collecting information about the patient, since these methods complement each other in identifying the needs and goals of the treatment. Many problems were related to the patient’s social environment but this was not reflected in the treatment plan; few goals were identified in this area.

In conclusion, occupational therapists should use self-assessments and interviews in order to support the patient’s participation in psychiatric care. Furthermore, it is important to use assessments for both occupational performance and medical symptoms when identifying the patient’s needs and goals of treatment since there is a discrepancy between the two areas; symptoms are reduced earlier than perceived problems in occupational performance. Regardless of what kind of law the patient is treated under, all patients have the right to participate in their own treatment. This thesis also shows that the social environment is important in enabling the participation of patients in their psychiatric care.

En av de viktigaste utmaningarna inom hälso- och sjukvården är att stärka patientens ställning i behandlingen. Inom psykiatrisk vård så måste patienten ses som en resurs och ges möjlighet att vara delaktig i sin behandling. Det övergripande syftet med denna avhandling var att undersöka och beskriva hur patienter inom psykiatrisk vård uppfattar delaktighet och hur existerande instrument stödjer delaktighet.

Studie I beskriver hur patienter inom psykiatrisk slutenvård uppfattar sina möjligheter till aktivitet och delaktighet under vårdtiden. ICF (Klassifikation av funktionstillstånd, funktionshinder och hälsa ) inspirerade studien. Genom en enkät svarade 61 patienter på värdet av den vård som de erhöll, där begrepp som aktivitet och delaktighet belystes. Tio patienter valdes sedan ut för en semistrukturerad intervju. Studien visar på att patienter som vårdats utifrån Lagen om Psykiatrisk Tvångsvård (LPT) var generellt mer missnöjda än de patienter som vårdats utifrån Hälso- och Sjukvårdslagen (HSL). Även yngre patienter var mer missnöjda. Några viktiga faktorer i miljön som påverkar möjlighet till delaktighet var kontinuitet och bemötande från personalen. Underlättande faktorer för aktivitet och delaktighet var att det fanns en samstämmighet mellan patient och personal i vårdplaneringen, att förväntningar diskuterades, att förutsättningar till engagemang i aktiviteter gavs och att patienten fick möjlighet att ta eget ansvar.

Studie II undersöker om det finns harmoni mellan CPRS-S-A (Comprehensive Psychopathological Rating Scale-Self-Asessment), OCAIRS-S (Occupational Circumstances Interview and Rating Scale) och OSA (Occupational Self Assessment) och om de kan ersätta varandra när arbetsterapeuten samlar information kring patienten. Ett annat syfte var att undersöka hur arbetsterapeuten använder den insamlade informationen i behandlingsplanen. Fjorton patienter med depressionssjukdom deltog i studien. Studien visar att även om de medicinska symptomen förbättras i slutet av behandlingen så har patienten fortfarande problem i aktivitetsutförande, nedsatt självkänsla och struktur på dagarna. Bedömningsinstrumenten kan inte ersätta varandra. Studien betonar vikten av att använda både intervju och självskattning vid datainsamling kring patienten, då de kompletterar varandra vid identifiering av behov och mål i behandlingen. Många problem var relaterade till patientens sociala miljö, dock saknades detta i behandlingsplanerna; få mål och åtgärder identifierades inom detta område.

Sammanfattningsvis, arbetsterapeuten bör använda självskattningar och intervjuer i syfte att stödja delaktighet inom psykiatrisk vård. Dessutom är det betydelsefullt att använda bedömningsinstrument både för aktivitetsutförande och medicinska symptom för att identifiera patientens behov och mål i behandlingen då det är en diskrepans mellan dessa två områden; medicinska symptomen reduceras tidigare än upplevda problem i aktivitetsutförandet. Oavsett vilken lag som styr vårdformen så har alla patienter rätt till delaktighet i sin egen behandling. Denna avhandling visar också på att den sociala miljön är viktigt för delaktighet för patienter inom psykiatrisk vård.

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García, Carrasco Álvaro. „Plasma-Facing Components in Tokamaks : Studies of Wall Conditioning Processes and Plasma Impact on Diagnostic Mirrors“. Licentiate thesis, KTH, Fusionsplasmafysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154621.

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Understanding of material migration and its impact on the formation of co-deposited mixed material layers on plasma-facing components is essential for the development of fusion reactors. This thesis focuses on this topic. It is based on experiments performed at JET and TEXTOR tokamaks. The major objectives were to determine: (i) fuel and impurity removal from plasma-facing components by ICWC in different gas mixtures, (ii) fuel and impurity transport connected to ICWC operation, (iii) plasma impact on diagnostic mirrors. All these issues are in line with the ITER needs: mitigation of co-deposition and fuel inventory, and the performance of first mirrors in long-term operation. The novelty in research is demonstrated by several elements. In wall conditioning studies, tracer techniques based on injection of rare isotopes (N-15, O-18) were used to determine conclusively the impact of respective gases. Also, a new approach to ICWC was developed by combining global gas balance studies based on mass spectrometry and the use of multiple surface probes exposed to discharges and then studied ex-situ with accelerator-based techniques. Impact of plasma on diagnostic mirrors was determined after exposure to the entire first experimental campaign in JET-ILW.

QC 20141103

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Uesugi, Y., T. Imai, K. Kawada und S. Takamura. „3RD HARMONIC OPERATION OF SIT INVERTER RF SOURCE FOR ICRF HEATING IN THE DIVERTOR PLASMA SIMULATOR NAGDIS-Ⅱ“. IEEE, 2001. http://hdl.handle.net/2237/7170.

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Usoltceva, Mariia. „Advancements in Langmuir probe diagnostic for measurements in RF sheath and in modelling of the ICRF slow wave“. Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0061.

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Injecter de la puissance au plasma avec les ondes au voisinage de la fréquence cyclotron ionique (ICRF) est une technique prometteuse pour chauffer les plasmas de tokamak aux températures de fusion requises. Pour le rendement élevé, l'antenne ICRF doit être placée à proximité du plasma, mais ils accroissent les interactions plasma-paroi néfastes. Les ions accélérés par le champ électrique dans la gaine radiofréquence (RF) se sont avérés être à l'origine de ces interactions. La conception de l'antenne ICRF pourrait être optimisée pour réduire les effets observés. Ces études peuvent être réalisées sur une simple expérience dédiée. Aline (A Linear Experiment) est une machine linéaire avec un plasma cylindrique à basse température que s'appuie sur la caractérisation du plasma avec la sonde de Langmuir. Le champ magnétique modifie complètement le transport de particules dans le plasma. Par conséquent, les méthodes classiques d'analyse de sondes ne sont plus applicables. Cela est particulièrement vrai pour une sonde de Langmuir cylindrique de petit diamètre parallèle au champ magnétique ou avec un petit angle avec celui-ci. Les théories développées pour le traitement des données de la sonde de Langmuir pour le plasma magnétisé sont présentés. Les résultats sont comparés aux densités obtenues par interférométrie. Les techniques d'analyse des données présentées sont non seulement importantes pour l'application sur Aline, mais aussi pour d’autre machines à plasma magnétisé. IShTAR (Ion cyclotron Sheath Test Arrangement) fournit des conditions plus proches de celles du tokamak que celles d'Aline car possédant une antenne ICRF imitant celles d'un tokamak. L'objectif est d'étudier la propagation des ondes ICRF dans la configuration IShTAR. Les diagnostics de sonde ont été utilisés pour quantifier les paramètres plasma et les champs des ondes ICRF pertinents. Des simulations numériques de l'onde lente ICRF ont été réalisées à COMSOL. Le plasma a été mis en œuvre en tant que matériau avec des propriétés physiques ajustées manuellement. Les structures de champ obtenues pour l'onde lente diffèrent significativement de celles de l'onde rapide (autre solution de la relation de dispersion), et présentent une forte dépendance du profil de densité sur le bord du plasma. Les résultats de cette thèse contribuent aux études de la physique de la gaine RF sur des dispositifs linéaires dédiés, ainsi que de la physique des ondes ICRF sur le bord du plasma du tokamak en général
Coupling power to the plasma with ion cyclotron range of frequencies (ICRF) waves is a promising method for heating tokamak plasmas to fusion relevant temperatures. For high efficiency, the ICRF antenna must be placed close to the plasma, but they enhance destructive plasma-wall interactions. Plasma ions accelerated by the electric field in the radio-frequency (RF) sheath have been found to be the main cause of these interactions. The ICRF antenna design could be optimized to reduce the observed effects. The physics of these effects can be studied on a simple specially designed experiment. Aline (A LINear Experiment) is a linear low-temperature plasma device. The machine is focused on plasma characterization with the Langmuir probe diagnostic. The presence of magnetic field changes completely the particle transport in plasma, therefore conventional methods of data analysis are not applicable. Especially it is true for a small cylindrical Langmuir probe parallel to the magnetic field or at a small angle to it. In this thesis theories are presented which were developed for Langmuir probe data processing for magnetized plasma. The first results are also presented, as well as a comparison to line-averaged densities by interferometry. Presented data analysis techniques are not only important for application on Aline but can be used on any machine with magnetized plasma. IShTAR (Ion cyclotron Sheath Test Arrangement) is closer to tokamak conditions than Aline because it has an ICRF antenna which mimics tokamak antennas. In the framework of this thesis the objective is to study comprehensively the ICRF wave propagation in IShTAR configuration. Probe diagnostics were employed to quantify the relevant plasma parameters and the relevant ICRF wave fields. Numerical simulations of the ICRF slow wave were done in COMSOL. Plasma was implemented as a material with manually assigned physical properties. Field structures obtained for the slow wave differ significantly from the other mode, fast wave, and exhibit strong dependence on the density profile on the plasma edge. The results of this thesis work contribute to the studies of the RF sheath physics on dedicated linear devices, as well as the physics of ICRF waves on the tokamak plasma edge in general. In ICRF simulations for tokamak devices the slow wave propagation on the edge is avoided. Results of this thesis can be used to improve the complex tokamak ICRF simulations

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Rauch, Agnes-Monika. „Validation of the comprehensive ICF core set for rheumatoid arthritis : the perspective of nurses /“. München, 2008. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000253468.

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Stamm, Tanja. „Conceptualising the patient perspective of the International Classification of Functioning, Disability and Health (ICF)“. Diss., lmu, 2005. http://nbn-resolving.de/urn:nbn:de:bvb:19-39375.

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Coenen, Michaela. „Developing a method to validate the WHO ICF Core Sets from the patient perspective“. Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-80381.

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Berno, Stephanie. „Validation of the Comprehensive ICF Core Set for Multiple Sclerosis: The perspective of physicians“. Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-121492.

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Schaller, Andrea. „Anwendung der ICF in der stationären Rehabilitation nach Totalendoprothese Implementierung in Rehabilitationskonzeption und Ergebnismessung“. Berlin dissertation.de, 2009. http://d-nb.info/996165193/04.

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Wagner, Emily, Kaitlyn Turney, Victoria Daley und A. Lynn Williams. „Survey of SLPs’ Assessment Practices with Children Who Have SSD Within an ICF Framework“. Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/2040.

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ASHA endorsed the WHO ICF framework in the Scope of Practice in SLP in describing the breadth of the SLP role in the management of communication disorders. Survey results of SLPs will be presented with regard to the inclusion of the ICF framework in working with children with SSD.

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Jansson, Håkan. „Delaktighet – en fråga om sammanhang och tillgång till kontext : En explorativ studie om villkor för delaktighet för ett barn med synnedsättning i kombination med flera funktionsnedsättningar i en inkluderande förskolemiljö“. Thesis, Stockholms universitet, Specialpedagogiska institutionen, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-144310.

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Idén till denna studie har succesivt vuxit fram under flera års arbete och erfarenheter av barn med synnedsättning i kombination med ytterligare funktionsnedsättningar. Det har framförallt varit i möten med dessa barn jag fått insikten att villkoren för deras delaktighet ser så olika ut. Många insatser görs, men de inriktar sig sällan på att ta reda på hur barn samspelar med sin omgivning och hur faktorer i miljön påverkar barnets delaktighet. Studien syftar till att undersöka villkor för ett litet barns delaktighet i en inkluderande förskolemiljö. Studiens huvudperson är en 3½ årig pojke med nedsättning i syn,- motorik och begåvningsfunktioner. Studiens empiri består av 19 videoobservationer inhämtade under en period av 1½ år. Studien har två huvudsakliga frågeställningar: 1) Hur ser villkoren för delaktighet ut för barn med svår synnedsättning i kombination med ytterligare funktionsnedsättningar i en inkluderande förskolemiljö? 2) Är det möjligt att tillämpa Världshälsoorganisationen (WHO:s) Internationell klassifikation av funktionstillstånd, funktionshinder och hälsa, barn och ungdomsversionen (ICF-CY) som metod för att synliggöra villkor för barns delaktighet? Studiens ansats är kvalitativ med en tydlig explorativ karaktär. Studien har organiserats i tre steg. 1) Videoobservation och transkribering, 2) Kodning enligt ICF-CY och 3) analys enlig en modell om fem miljömässiga aspekter om delaktighet. Studiens resultat presenteras på individ,- metod och modellnivå. På individnivå framträder bland annat kontext som villkor för ett barns delaktighet. På metodnivå gav inte ICF-CY studien tillräcklig substans för att synliggöra villkoren för delaktighet och särskilt samspelet mellan individ och miljö. Det visade sig också vara svårigheter att välja lämplig kod. På modellnivå synliggörs två perspektiv på delaktighet; det sociologiska och utvecklingspsykologiska. Dessutom visade det sig att ICF-CY tillsammans med en modell innehållande fem miljömässiga aspekter av delaktighet gav en bättre helhetsbild av situationer och samspelet mellan individ och miljö.
The idea for this study has gradationally grown under many years of work and experience with children with visual impairment in combination with additional disabilities. It has especially been in meeting these children the realization that the conditions for their participation looks very different have grown. Many efforts have been made, but they rarely concentrate on finding out how children interact with their environment and how different factors in the environment effects the child’s participation. This study’s purpose is to examine the conditions for a young child’s participation in an included preschool environment. The study’s main focus is a 3 ½ year old boy with reduction in sight - motor activity and ability functions. The study’s empirical evidence consists of 19 video-observations gathered under a period of 1½ years. The study has two main question formulations: 1) How a child’s environment effects the child’s participation? 2) Is it possible to apply World Health Organization (WHO:s) International Classification of Functioning, Disability and Health -Children and Youth (ICF-CY) as a method to make visible the factors that effects a child’s participation in an included preschool environment? The study’s start is qualitative with a clear exploratory character. The study has been organised in tree steps. 1) Video-observations and transliteration, 2) Coding according to ICF-CY and 3) analyse according to a model of five environmental aspects of participation. The study’s result presents on an individual,–method and model level. On an individual level the most apparent is context for the conditions for a child’s participation. On a method level the ICF-CY study did not give enough substance to make visible a child’s participation and a specially the interaction between the individual and the environment. It also showed to be difficult to choose the most appropriate code. On a model level two perspectives are made visible on participation; the sociological and the developmental psychological. The resultalso show that ICF-CY together with a model containing five environmental aspects of participation gave a better holistic picture of situations and interaction between the individual and the environment.

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O'Shea, Peter Joseph Larkin. „Measurement of ICRF power deposition and thermal transport with an ECE grating polychromator on the alcator C-mod tokamak“. Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10363.

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CASELLI, SERENA. „Fall risk detection and prediction in community-dwelling older adults“. Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/306605.

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Il rischio di caduta (RdC) e una lesione correlata aumentano con l'età e con l'associazione di patologie neurologiche. Le cadute sono un evento temibile per le conseguenze traumatiche e psicologiche, il loro costo sta diventando insostenibile e la loro prevenzione negli anziani è una priorità di sanità pubblica. Le linee guida internazionali raccomandano la rimozione dei fattori di RdC modificabili e l'attuazione di interventi efficaci. Tuttavia, non sono state utilizzate classificazioni univoche dei fattori di RdC, quindi l'uso delle Classificazioni Internazionali dell'OMS come riferimento universale può essere la soluzione più logica e naturale. Lo screening del RdC è la prima componente di programmi di prevenzione delle cadute efficaci. Ad oggi, nonostante l'utilizzo di numerosi strumenti di valutazione, non è possibile rilevare e prevedere il RdC con un’accuratezza diagnostica ottimale. Gli obiettivi della tesi sono stati: 1) validare un algoritmo di screening seriale del RdC con alta accuratezza diagnostica in un campione di anziani in comunità, anche con PD e ictus, nella predizione di una, due e tre cadute nei successivi dodici mesi; 2a) valutare l'effetto delle patologie neurologiche sui test di screening; 2b) validare un core set ICD&ICF per il RdC nella stessa popolazione. Utilizzando i dati raccolti nello studio PRE.C.I.S.A., abbiamo eseguito le seguenti analisi: 1) per validare un algoritmo di screening seriale abbiamo calibrato le scale VAE, VOE1 e VOE2 con tecniche classiche e Rasch analysis, calcolato i due FRAT-up e studiato l’accuratezza diagnostica degli strumenti e degli algoritmi di screening, ottenuti con combinazioni seriali delle scale e dei due FRAT-up e con modelli di regressione logistica, nella predizione degli outcome descritti; abbiamo confrontato le loro proprietà per validazione esterna; 2a) per valutare l'effetto delle patologie neurologiche sui test abbiamo condotto l’analisi del Differential Item Functioning (DIF) per le scale e il t-test per i due FRAT-up; 2b) per validare il core set ICD&ICF abbiamo revisionato i fattori di RdC e linkato alle categorie classificative. Il campione disponibile dallo studio PRE.C.I.S.A. è stato di 768 anziani (femmine 65.3%; età media 75.8). Partendo da 29 variabili, abbiamo calibrato tre scale di misurazione (VAE, VOE1 e VOE), che hanno mostrato un fit soddisfacente al Rasch model (χ213=43.4; p=0.080; χ212=17.5, p=0.130; χ26=32.9, p=0.040). La loro affidabilità (Person Separation Index=0.912; 0.900; 0.800) è stata adeguata per la misurazione individuale (VAE, VOE1) e di gruppo (VOE2). La combinazione seriale con ‘AND’ rule delle scale ha generato algoritmi seriali con buona accuratezza diagnostica nella predizione degli outcome descritti in anziani in comunità, anche con PD e ictus, sulla base di cutoff definiti con un metodo ‘ad hoc’, che ha considerato un costo maggiore dei falsi negativi rispetto ai falsi positivi (1 caduta: sensibilità (SE)=62.4%; specificità (SP)=71.0%; accuratezza diagnostica (AD)=0.672; 2 cadute: SE=72.8%; SP=63.2%; AD=0.657; 3 cadute: SE=79.3%; SP=60.0%; AD=0.629). Abbiamo calcolato le probabilità cumulative post-test delle scale combinate con performance migliori di quelle dei singoli strumenti e costruito algoritmi aggiuntivi, basati su modelli di regressione logistica, utilizzando una combinazione parallela. Abbiamo realizzato una validazione esterna attraverso il confronto con algoritmi costruiti con i FRAT-up. Abbiamo dimostrato, poi, la gestione con Rasch analysis dell'effetto delle malattie neurologiche sulle prestazioni dei test (VAE: splitting analysis per DIF da malattie neurologiche). Infine, abbiamo validato un core set ICD&ICF per il RdC negli anziani in comunità, anche con PD e ictus (103 fattori di RdC linkati a 74 categorie). Sono auspicabili ulteriori studi multicentrici di validazione per replicare questi risultati.
The fall risk (FR) and a related injury increase with age and with the association of neurological diseases (Parkinson’s Disease (PD) or stroke). Falls represent a fearsome event for an elderly for traumatic and psychological consequences, and costs are becoming unsustainable. Hence, fall prevention in elderly at risk is a public health priority. All international guidelines recommend removing the modifiable FR factors and implementing effective interventions on people at risk. Nevertheless, investigators have not used consistent classifications for FR factors, so using the WHO Family of International Classifications can be the more natural and logical solution to cover the lack of a universal reference framework. FR screening is the first component of effective fall prevention programs. To date, despite the use of numerous FR assessment tools, it is not possible to detect and predict elderly fallers with optimal diagnostic accuracy. The aims of the thesis were: 1) to validate a FR serial screening algorithm with high diagnostic accuracy in a sample of community-dwelling elderly, also with PD and stroke, in the prediction of at least one, two, and three falls in the following twelve months; 2a) to assess the neurological disease's effect on FR tests; 2b) to validate an ICD& ICF core set for FR in the same population. Using data collected in the PRE.C.I.S.A. trial on fall risk, we performed the following analyses: 1) to validate a FR screening algorithm we calibrated the VAE, VOE1 and VOE2 scales with classical and Rasch analysis and we calculated the two FRAT-up; we studied the diagnostic accuracy of single tools and screening algorithms, obtained with serial combinations of the scales and the two FRAT-up tools, and with logistic regression models, in the prediction of the described outcomes; we compared their properties for external validation; 2a) to assess neurological disease’s effect on the tools we conducted a Differential Item Functioning (DIF) analysis for the scales and a t-test for the two FRAT-up; 2b) to validate the core set we reviewed the FR factors and we linked them to classification categories. The available sample from the PRE.C.I.S.A. trial was constituted by 768 older adults (female 65.3%; mean age 75.8). From 29 observed variables, we calibrated three measurement scales (VAE, VOE1, and VOE), which showed a satisfactory fit to the Rasch model (χ213=43.4; p=0.080; χ212=17.5, p=0.130; χ26=32.9, p=0.040). Their reliability (Person Separation Index=0.912; 0.900; 0.800) was adequate for individual (VAE, VOE1) and group measurement (VOE2). The serial combination with ‘AND’ rule of the scales generated FR serial algorithms, with good diagnostic accuracy, in the prediction of the described outcomes in community-dwelling elderly, also with PD and stroke, based on cutoffs defined using an ‘ad hoc’ method, which considered a higher cost of false negatives compared to false positives (≥1 fall: sensitivity (SE)=62.4%; specificity (SP)=71.0%; diagnostic accuracy (DA)=0.672; ≥2 falls: SE=72.8%; SP=63.2%; DA=0.657; ≥3 falls: SE=79.3%; SP=60.0%; DA=0.629). We calculated cumulative post-test probabilities of the combined scales, which performed more effectively than single tools, and we constructed additional algorithms based on logistic regression models using a parallel combination. We realized an external validation through the comparison with FRAT-up algorithms. Then, we demonstrated the management with Rasch analysis of the neurological disease effect on tools performance (e.g., VAE scale: splitting analysis for DIF by neurological diseases). Finally, we validated an ICD&ICF core set for the FR in community-dwelling elderly, also with PD and stroke (103 FR factors linked to 74 categories). Further projects are desirable to replicate these findings in larger, multicenter validation studies.

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Ma, Tammy Yee Wing. „Electron generation and transport in intense relativistic laser-plasma interactions relevant to fast ignition ICF“. Diss., [La Jolla] : University of California, San Diego, 2010. http://wwwlib.umi.com/cr/ucsd/fullcit?p3404383.

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Thesis (Ph. D.)--University of California, San Diego, 2010.
Title from first page of PDF file (viewed June 10, 2010). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (leaves 156-167).

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