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1
Ventolini, Nicola. « La popolazione di Cignoreale nella zona costiera del Friuli Venezia Giulia ». Doctoral thesis, Università degli studi di Trieste, 2008. http://hdl.handle.net/10077/2655.
Texte intégralRésumé :
2006/2007L’organo gestore (SBIC, Stazione Biologica Isola della Cona) della Riserva Naturale Regionale della Foce dell’Isonzo,collaborando con il Dipartimento di Biologia dell’Università degli Studi di Trieste, ha avviato una ricerca di carattere eco-etologico al fine di analizzare l’attuale stato della specie e le possibili problematiche relative all’incremento della popolazione della zona costiera del Friuli Venezia Giulia. Obiettivo sarà mettere in luce l’andamento stagionale della popolazione per comprendere in che misura essa è costituita da individui stanziali e quanto da individui erratici, che frequentano l’area periodicamente. Analizzeremo la valenza delle diverse aree per l’attività trofica e durante le fasi di muta, nidificazione e svernamento. Dal monitoraggio degli individui marcati con collare colorato ci si propone di capire le dinamiche individuali e di popolazione nell’alto Adriatico e le possibili rotte da e verso altre popolazioni estere. Esamineremo nel dettaglio la riproduzione ed il successo riproduttivo della specie, al fine di quantificare l’attuale trend della popolazione, in che misura è determinato dai pulli nati in regione e quanto da afflussi da zone esterne. Indagheremo le peculiarità tra i siti di nidificazione a struttura territoriale e coloniale nonché la frequenza del polimorfismo immutabilis nei pulli e la sua rilevanza sull’involo dei giovani. Al fine di comprendere la pressione dell’attività trofica della specie sulle praterie di fanerogame analizzeremo gli spostamenti dello stormo della foce dell’Isonzo.
XX Ciclo
1976
2
Collard-Fréchette, Etienne. « Optimisation des plages dynamiques des convertisseurs analogique-numérique Sigma-Delta ». Mémoire, École de technologie supérieure, 2012. http://espace.etsmtl.ca/984/1/COLLARD%2DFR%C3%89CHETTE_%C3%89tienne.pdf.
Texte intégralRésumé :
Les convertisseurs Sigma-Delta combinent les techniques de mise en forme du bruit de quantification
et du suréchantillonnage du signal pour diminuer l’impact du bruit de quantification
sur le rapport signal à bruit (SNR). Pour maximiser les performances des convertisseurs, de
nombreux paramètres doivent être optimisés durant le processus de conception.
La problématique principale de cet ouvrage est l’optimisation des coefficients interétage dumodulateur
Sigma-Delta. Ces coefficients peuvent être utilisés pour réduire l’amplitude de sortie
des intégrateurs, ce qui permet de réduire la distorsion harmonique ainsi que la consommation
en puissance. Cependant, le bruit thermique généré par chaque étape d’intégration est amplifié
ce qui réduit le SNR à la sortie du convertisseur. Un compromis acceptable est habituellement
atteint au terme d’un processus de conception intuitif après quelques itérations de simulations.
Ce mémoire présente deux nouvelles techniques d’optimisation des convertisseurs Sigma-
Delta. La première, appelée méthode des fenêtres, se concentre à minimiser l’amplitude de
sortie des intégrateurs en fonction d’une pénalité en SNR. Il s’agit d’un processus itératif qui
s’exécute à l’intérieur d’une fenêtre d’opération. La seconde méthode utilise une fonction d’optimisation
multicritère afin de minimiser simultanément l’amplitude de sortie des intégrateurs
et la somme des capacités du modulateur. La réduction de la taille des capacités permet de
réduire la taille du circuit et la puissance consommée. Chacune de ces deux méthodes est
illustrée par un exemple d’utilisation. Avec la méthode des fenêtres, l’amplitude de sortie des
intégrateurs est davantage réduite. Cependant, cela est obtenue au prix d’une augmentation
significative de la somme des capacités du modulateur.
La méthode de minimisationmulticritère peut facilement s’intégrer au processus de conception
au niveau système en remplaçant la fonction Matlab généralement utilisée pour effectuer la
mise à l’échelle des plages dynamique.
Afin de valider la méthode de minimisation multicritère, des simulations au niveau transistors
sont effectuées sur trois configurations différentes. Les deux premières sont issues du processus
d’optimisation, l’une favorisant la réduction de l’amplitude des intégrateurs tandis que l’autre
favorise la réduction de la taille des capacités. La troisième configuration, issue d’un processus
de conception standard, sert de point de référence. Les résultats de ces simulations démontre
qu’une configuration optimisée en priorisant la minimisation de l’amplitude des intégrateurs
obtient les meilleures performances. Le SNR maximal est supérieur de 3,8 dB et la plage
dynamique est supérieure de 2 dB par rapport aux perfomances de la configuration de référence.
3
Bethune, Richard Alan. « Profiling white-collar criminals : what is white-collar crime, who perpetrates it and why ? » Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10609.
Texte intégralRésumé :
Following a period of resurgence in academic interest in the subject over the last 30-40 years, white-collar crime has found greater prominence within criminology. Efforts over this period have however failed to produce a single satisfactory and agreed-upon definition, a consistent and coherent body of research, and a single theory which can account for all forms of white-collar crime. This thesis aims to address certain shortcomings in the current state of white-collar crime theory and understanding. Part 1) addresses the issues of both conceptual definition of white-collar crime and specific behaviours as proscribed within the Legislation. Part 2) examines current criminological theory and research on individual differences (arguably the biggest gap in current knowledge in the area of white-collar crime); it examines the origins and current state of offender profiling in crime prevention, before Part 3) presents original research on establishing offence-specific white-collar criminal profiles based on demographic, sociological, psychological, organisational and motivational factors. Part 4) examines why certain individuals may perpetrate certain crimes in certain situations, beginning with a review of those few white-collar crime specific theories that do exist, before reviewing traditional sociological theories and attempting to apply them to white-collar crime; finally in Part 5) a new conceptual framework for white-collar crime is presented, which is referred to as the theory of ‘Differential Assimilation’. I bring together each of these chapters and situate the thesis within current research and literature, summarising how it engages and contributes to the field of white-collar crime. I include suggestions for the practical application of certain white-collar crime prevention techniques within organisations.
4
Olid, Rodríguez Christian Ignacio. « Blue-Collar crime and finance ». Tesis, Universidad de Chile, 2018. http://repositorio.uchile.cl/handle/2250/151527.
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Feesey, Terrence James. « An investigation of variables influencing the experience of unemployment for blue collar and white collar workers ». Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26811.
Texte intégralRésumé :
This study was designed to probe the experience of white collar unemployment. Some research results suggest that white collar people have an easier time with unemployment than do blue collar people while other findings suggest the contrary. A questionnaire format instrument was designed to record self-reported changes of an affective and behavioural nature in a sample of 66 white collar and 24 blue collar unemployed adults.
It was hypothesized that on the whole, the blue collar sample would report a more difficult response to unemployment than the white collar sample. It was further hypothesized that after an unspecified period of time the unemployed white collar sample would become passive and depressed.
Twelve variables focusing on learned helplessness, self-esteem, depression, locus of control, social interaction, time structure, personal meaning and perceived measures of health and finances were recorded and intercorrelated in this relationship study. Correlation matrices were constructed for the general sample, the white collar and the blue collar sub-samples. Reliability and validity coefficients of the instrument were calculated on each variable and were found to be acceptable for the purpose of this study. The relationships among the variables supported the notion that generally, the people in the blue collar unemployed sample experienced more difficulty with unemployment than did those people in the white collar sample. The white collar sample subjects did not, however, show a significant disposition toward passivity and depression as a function of time. Instead, the data suggested the presence of a second white collar subgroup who appeared to be experiencing great personal difficulties regardless of the duration of their unemployment. It was suggested that the appearance of a bi-modal white collar sample was the result of the sampling technique, and further that these results may reflect the state of the real world. This position is offered as a possible justification for the contradictory white collar unemployment findings in the past.Education, Faculty of
Educational and Counselling Psychology, and Special Education (ECPS), Department of
Graduate
6
Kundu, Ina, Sean Rice, Kevin Klug, Hao Chen, Elizabeth Marquez et Yizhou Zhong. « Collar-Integrated Small Mammal GPS Tracker ». International Foundation for Telemetering, 2013. http://hdl.handle.net/10150/579699.
Texte intégralRésumé :
ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NVA position beaconing system for tracking small mammals, such as the Golden Lion Tamarin, was developed and tested. GPS acquires location of the animal. The system utilizes a VHF radio transmitter tuned to 144.390 MHz, which is located in the amateur radio band. APRS was selected as the protocol for position, transmission, and recovery. This allows users to benefit from any existing APRS enabled devices. The beacon was designed by attempting to optimize operational longevity and minimize size. Consequently, the system is implemented on a single board and enclosed for protection. As the system must be comfortable for the mammal, it was manufactured from lightweight components and enclosed in a plastic housing. To attach the case to the mammal, it is connected to a flexible, zig-zag, wearable antenna, which functions as a collar.
7
Mascolo, Robert. « The significance of white-collar crime / ». Staten Island, N.Y. : [s.n.], 2004. http://library.wagner.edu/theses/business/2004/thesis_bus_2004_masco_signi.pdf.
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8
Kim, Carolyn Y. « The fit of men's dress shirt collars ». Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-08042009-040404/.
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9
Schaesberg, Petrus. « Konzept der Collage ». Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-23721.
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10
Stout, Deborah Marie Schuda. « Graphing Beyond Collatz ». The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366226820.
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11
Harbinson, Erin. « Is Corrections "Collar" Blind ? : Examining the Predictive Validity of a Risk/Needs Assessment Tool on White-Collar Offenders ». University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1504800469606019.
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12
Ray, James V. « Psychopathy, Attitudinal Beliefs, and White Collar Crime ». Scholar Commons, 2007. http://scholarcommons.usf.edu/etd/3889.
Texte intégralRésumé :
Psychopathy has become a highly researched personality disorder in order to better understand criminal and violent behavior (Hare, 1993). Measures of psychopathy have proven to be useful tools in predicting outcomes of institutionalized populations by predicting future dangerousness (Hare, 1999). While several experts in the field of psychopathy allude to the idea of the successful psychopath and their presence in the corporate world (Hare, 1993; Babiak & Hare, 2006), very little research has been done in this area. The current study builds upon the small amount of empirical research by testing hypotheses regarding the relationship between psychopathic personality traits and intentions to engage in white collar crime. Using a sample of 181 university students, psychopathic personality traits were measured using the Psychopathic Personality Inventory - Revised (PPI-R). In addition, scales were developed to measure attitudes toward white collar offending and vignettes were constructed to measures intentions to engage in white collar crime. Four relationships are of primary focus: 1.) Do psychopathic personality traits account for variability in attitudes toward white collar crime?; 2.) Do attitudes toward white collar crime correlate with intentions to engage in white collar crime?; 3.) Are psychopathic personality traits related to intentions to offend and?; 4.) Do attitudes toward offending mediate the relationship between psychopathy and intentions to offend? A major finding is that the Self-Centered Impulsivity factor of the PPI-R accounts for a significant amount of variance in intentions to engage in white collar crime and environmental crime. Additional relationships between psychopathy, attitudes, and intentions are also discussed.
13
Warnich, Dirk J. « Tracking collar and infrastructure for leopard research ». Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71722.
Texte intégralRésumé :
Thesis (MScEng)--Stellenbosch University, 2012.ENGLISH ABSTRACT: This project targeted the development of a new tracking collar, trap telemetry system and supporting infrastructure, to aid researchers from the Cape Leopard Trust. Previously used collar products had all proven insu cient in some capacity and remote monitoring of trap sites was also required. Tracking collars are used to identify the movement patterns of the leopards and through the resulting research, assist in protecting this threatened species. In the development of the tracking collar and trap telemetry system, a high level system design was rst formulated, identifying major components that would be required. Alternative methods for implementation were then considered and the most optimal chosen. Two di erent modes of communication with the collar were envisioned and designed for. These would be used to transmit logged coordinates obtained from a GPS receiver back to researchers. A VHF terrestrial radio link was investigated, but an Iridium Satellite based solution was ultimately selected. An Iridium Satellite communications system was also used for transfer of trap state data. Ultimately, a working trap telemetry system was delivered for use by researchers. The tracking collar system had progressed to a working prototype, requiring miniaturisation and packaging before deployment. A possible packaging solution was also identi ed. The trap telemetry system, although displaying certain de ciencies, provided a capability previously unavailable to researchers. With further development, there is potential for the tracking collar to provide accurate satellite tracking and communications in a mass and price combination not previously available.
AFRIKAANSE OPSOMMING: Hierdie projek het as doel die ontwikkeling van 'n nuwe opsporingshalsband, 'n lokval telemetriese stelsel en die nodige ondersteunende infrastruktuur daarvoor. As hulpmiddels vir navorsers van Cape Leopard Trust. Geen van die halsband produkte wat tot nou toe gebruik is, het voldoen aan al die nodige behoeftes nie, en dit was ook nodig om die lokvalterreine van 'n afstand te kan monitor. Die opsporingshalsbande word gebruik om die bewegingspatrone van luiperds vas te stel en die navorsing wat daarop volg, help dat 'n bedreigde spesie bewaar word. Die ontwikkeling van die opsporingshalsband en lokval telemetriese stelsel het begin met die formulering van 'n ho evlak stelselontwerp waarin die hoofkomponente wat benodig sou wees ge denti seer is. Alternatiewe metodes van bewerkstelling is daarna oorweeg en die optimale hiervan is gekies. Twee verskillende metodes van kommunikasie met die halsband is voorgestel en ontwerp. Hierdie sou gebruik word om die vasgelegte koordinate wat van 'n GPS ontvanger verkry is, na navorsers terug te versend. 'n Terrestriale radioverbinding is ondersoek, maar 'n Iridium Satelliet-baseerde oplossing is uiteindelik verkies. 'n Iridium Satelliet kommunikasie stelsel is ook gebruik vir die oordrag van data aangaande die lokvaltoestand. Uitendelik is 'n werkende lokval telemetriese stelsel gelewer vir dir gebruik van navorsers. Die opsporingshalsband stelsel was nou 'n werkende prototipe, wat slegs verklein en toepaslik verpak moes word voor dit in gebruik geneem kon word. 'n Moontlike oplossing tot die verpakkingsprobleem is ook identi seer. Die lokval telemetriese stelsel, hoewel dit steeds tekorte toon, voorsien die navorsers van voorheen onbekombare inligting. Met verder ontwikkeling is daar potensiaal vir die opsporingshalsband om akkurate satellietopsporing en kommunikasie te voorsien in 'n kombinasie van laer massa, sowel as prys, soos nog nooit voorheen beskikbaar nie.
14
Hövik, Caroline. « The gendered wage gap in the blue-collar sector : An urging to the collective organization of the blue-collar unions ». Thesis, Umeå universitet, Juridiska institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-150595.
Texte intégralRésumé :
This thesis will handle the gendered wage gap in the blue-collar sectors and how the blue-collar unions collective organization (from here on referred to as LO) has handled this issue. In the Swedish labour market the unions and the employers’ organizations negotiate terms and conditions of employment that result in legally binding collective agreements. Within the blue-collar sector wages are to a large extent negotiated on this level and the blue-collar unions coordinate within LO on which questions to focus on in the negotiations with the employers. But during 2015 the unions within LO were not able to agree and the coordination failed (Medlingsinstitutet, MI, 2017). The main issue was disagreement on how to handle low wages and value discrimination. To understand the split during 2015, the reader needs to understand the background and the deeply rooted norms within LO and how the Swedish labour market is organized. Therefore this thesis is divided into three parts. The first part describes historical aspects of how the Swedish labour market has developed with focus on women’s salaries. The second part looks at how LO has chosen to handle the gendered wage gap during the years 2004-2012. The last part will be a critical discourse analysis of articles handling the failed coordination in 2015.
15
Black, George David. « The architecture of collage ». Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/24080.
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Chimienti, Fabrizio. « La congettura di Collatz ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6334/.
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Walther, Mario. « Partnering capacity in with-collar public-private partnerships / ». St. Gallen, 2009. http://aleph.unisg.ch/hsgscan/hm00231857.pdf.
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18
Calabrese, Tony 1968. « The determination of blue collar wages in Montreal ». Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23711.
Texte intégralRésumé :
This exploratory research examines the wage effects of a variety of measures thought to be important in the employment income determination process. It does this by using ordinary least squares multiple regression techniques to construct wage equations for two samples of blue-collar workers in Montreal. Blue-collar wage equations are constructed for: (i) the Montreal labour market and (ii) the Montreal food processing industry.The results of this study show that Montreal blue-collar wages are determined by a variety of factors. Most importantly, however, are the wage effects exhibited by a worker's gender, union membership status and whether or not a worker has received a promotion from his/her present employer. These factors show statistically significant effects on the wages of blue-collar workers in the Montreal labour market as well as on the wages of blue-collar workers in the Montreal food processing industry. The present research also finds that certain factors have distinct wage effects on the different samples of blue-collar workers examined. Data from the present study indicates that the wages of Montreal blue-collar workers are influenced primarily by: (i) on-the-job training, (ii) promotions received, (iii) job opportunities available, (iv) an interruption in one's studies, (v) trade union membership and (vi) gender. While the wages of blue-collar workers employed specifically in the Montreal-area food processing industry are affected principally by: (i) the use of computers, (ii) the use of machines, (iii) promotions received, (iv) a varied work experience, (v) trade union membership, (vi) marital status and (vii) gender. (Abstract shortened by UMI.)
19
Karson, Lawrence. « American smuggling as white collar crime, 1789-1939 ». Thesis, University of Wales Trinity Saint David, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.683034.
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Horwitz, Stanley Edwin. « Positive work-family spillover amongst white-collar employees ». Master's thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/5867.
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Schoepfer, Andrea. « Exploring white-collar crime and the American dream ». [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0004604.
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Sofka, Jeri Lynn. « Communication and Gender : Interviews with Blue-collar Women ». PDXScholar, 1993. https://pdxscholar.library.pdx.edu/open_access_etds/4643.
Texte intégralRésumé :
This thesis explores the interactions between women and men who work in highly-skilled blue-collar trades. The aim of this research is to describe women's perceptions and responses to their on-the-job communicative interactions with male co-workers, supervisors and union officials. small focus groups were conducted to produce rich narrative data that was audio recorded for later use by the researcher. The researcher met with the four subjects for three sessions. The interviews lasted three hours each. The researcher also conducted follow-up interviews by phone to clarify subjects' responses. The subjects were provided with an interview schedule of questions prior to the interview. This thesis seeks to identify women's perceptions of male and female differences in communication, perceived problematic communicative interactions and women's responses to perceived differences. This thesis also explores the possible correlation between women's sense of self-esteem and interactions with males on the job. Finally, subjects were interviewed to determine what strategies, if any, are used by women to work more effectively in a predominately male work environment. It was found that this sample of women reported several perceived differences between male and female communication styles and that some differences are problematic. The subjects reported that difficult interactions may result in feelings of anger, frustration, anxiety, hostility or sadness. Finally, the subjects offered several strategies for coping in nontraditional jobs.
23
Lindqvist, Jesper. « Blue- vs. White-Collar Families : Influence on Public Policy in Sweden ». Thesis, Uppsala universitet, Statsvetenskapliga institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-287488.
Texte intégralRésumé :
One person - one vote; on Election Day in a representative democracy, everyone with the right to vote is equal. However, this occurs in Sweden once every four years. Between those occasions, we cannot be certain that political influence is equal until this has been tested. In this thesis, I will investigate whether Swedish democracy is responding to blue- and white-collar families equally. Do they have equal influence over public policy? And what consequences do the result have for some theories of democracy? With quantitative research, by replicating large parts of the research done by Martin Gilens and his research team, this thesis will be able to test if political influence is equal between these two groups. This allows us to test some of the theories and earlier research conclusions of Swedish democracy. No one, that I am aware of, has published something regarding this type of research in Sweden before. Gilens & Page’s (2014) research found that in the United States, economic elites and interest groups had substantial influence on public policy whereas average citizens had little or none - confirming economic elite domination and biased pluralism theories. By analysing 182 policy proposals, I find no clear proof, but strong indications that white- collar families have more influence on policy-making than blue-collar families. Future research would most likely be able to draw more confident conclusions if there was a greater data sample. If these indications are correct, then this has implications for some theories of American and Swedish democracy.
24
Dogan, Abdullah Ercument. « Effects Of Collars On Scour Reduction At Bridge Abutments ». Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12610203/index.pdf.
Texte intégralRésumé :
Bridge failures are generally resulted from scour of the bed material around bridge piers and abutments during severe floods. In this study, scour phenomenon around bridge abutments and collars, located at abutments as scour countermeasures, were experimentally studied.
The experimental study was carried out under clear-water scour conditions with uniform non-cohesive sediment (having a grain size diameter of d50=0.90 mm). The experimental flume is a rectangular channel of 30 m long and 1.5 m wide filled with this erodible bed material. Based on the results of 97 experiments conducted during the study, the efficiency of
various sizes of collars, which were used to reduce the local scour depth, located at different elevations around the abutments was determined. The results obtained were
compared with previous studies, and the effect of the sediment grain size on the performance of abutment collars was emphasized. It was noticed that when the collar
width was increased and placed at or below the bed level, the reduction in scour depth increases considerably. It was also found out that the change of the sediment size did not affect the optimum location of the collar at the abutment, which yields the maximum scour reduction around the abutment.
25
Al-Eidarous, Mustafa H. « Image processing : techniques for locating defects on shirt collars ». Thesis, University of Hull, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301339.
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McNeely, David Eugene. « Analysis of Force-Limiting Capabilities of Football Neck Collars ». Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/42501.
Texte intégralRésumé :
The purpose of this study was to examine football neck collars and determine their effectiveness at preventing transient brachial plexopathy and other neck injuries due to football impacts. Transient brachial plexopathy, commonly called a stinger or burner, is an injury to the brachial plexus. As many as 65% of collegiate football players will receive suffer such an injury. Accessory neck collars are worn to mitigate the risk of stingers, although little research has been performed to test their effectiveness. In addition to the standard shoulder pad and helmet combination, three collars were tested: the McDavid Cowboy Collar, a collar designed by a Virginia Tech physician called the Bullock Collar, and a prototype device called the Kerr Collar. This study utilized a Hybrid-III 50th percentile male outfitted with a standard collegiate football helmet and shoulder pads, and impacted with a linear pneumatic impactor. Forty eight total impacts were performed; impacts were performed at side, front, and axial loading impact locations, with low and high speed impacts, and normal and raised shoulder pad configurations. Each collar was effective at some positions, but no collar was effective at all impact locations. The Cowboy Collar reduced lower neck bending moments in the front position, but raised upper neck bending moments. It also reduced lower neck bending moments in the side position, but only in the raised configuration. The Bullock Collar was effective at reducing lower neck bending moment in the side position. The Kerr Collar was effective at reducing lower neck bending moments in the side impact location, and provided a larger percent reduction in impactor force in the axial loading position, compared to the shoulder pads alone. Further testing is needed at lower impact velocities that more closely represent injurious impacts in the field.Master of Science
27
Rayssac, Olivier. « Étude du collage par adhésion moléculaire hydrophile : application au contrôle de l'énergie de collage ». Grenoble INPG, 1999. http://www.theses.fr/1999INPG0163.
Texte intégralRésumé :
Le collage par adhésion moléculaire hydrophile permet de mettre en contact intime deux surfaces et de conduire, après traitement thermique, à la création de liaisons hydrogène puis covalentes à travers l'interface. Ce procédé est de plus en plus utilisé dans les domaines de la microélectronique et de la microtechnologie, en particulier pour la réalisation de matériau SOI. L'objectif de cette étude a été de se placer dans des conditions permettant de contrôler l'énergie de collage des structures réalisées, c'est à dire soit d'augmenter l'énergie de collage (applications à basse température), soit de la diminuer (applications à haute température). Pour cela, des méthodes de caractérisation ont été développées afin de mieux connaître les propriétés physico-chimiques et mécaniques des structures collées. Différents traitements de surface (humides et secs) ainsi que différentes couches adhérentes (diélectriques et conductrices) ont été utilisées. En plus de ces paramètres, l'influence de la rugosité dans le cas du collage SiO2/SiO2 a été démontrée. L'augmentation de la valeur de la rugosité de surface de chaque couche de SiO2 jusqu'à 0,63 nm RMS a permis d'abaisser l'énergie de collage des structures SiO2/SiO2 recuites à 1100ºC de 2,1 J. M-2 à 0,4 J. M-2. A partir de ces résultats, des outils ont été mis au point afin de dissocier les structures scellées obtenues. Ces outils permettent de décoller des plaquettes fines (100 μm) ayant subi des étapes technologiques sur leurs deux faces. Pour l'instant le décollement a été obtenu pour les 2/3 de la surface d'une plaque de 100 mm. Des améliorations doivent être apportées pour arriver au décollement complet d'une plaque de 100 mm, voire de 150 mm. Cette étude a ainsi mis en évidence une diversification possible du collage par adhésion moléculaireHydrophilic wafer bonding allows to put in contact two surfaces and to lead, after annealing treatment, to the creation of hydrogen bonds and covalent bonds through the interface. This process is more and more used in microtechnologies and microelectronics, particularly to get SOI structures. The objective of this study was to find the conditions allowing to control the bonding energy of the obtained structures, that is to say either to increase the bonding energy (low temperature applications), either to decrease the bonding energy (high temperature applications). In this way, some characterisation methods have been developed in order to well-understand the physical, chemical and mechanical properties of the bonded structures. Various surface treatments (wet treatments and dry treatments) and various layers (dielectric layers and conductive layers) have been used. We observed the influence of surface microroughness for the SiO2/SiO2 structures too. The increase of the surface microroughness value of each SiO2 surface up to 0. 63 nm RMS allowed to decrease the bonding energy at 1100ºC from 2. 1 J. M-2 to 0. 4 J. M-2. With these results, some tools have been realised to debond the obtained structures. These tools allowed to debond thin wafers (100 μrn) processed on their two sides. Only 2/3 of a 100 mm wafer surface has been debonded. Some improvements have to be brought for arriving at the total debonding of 100 mm and 150 mm wafers surfaces. So, this study highlights a possible diversification of the wafer bonding
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Bäckhed, Sofia, et Isabella Törmänen. « Arbetstillfredsställelse : En kvantitativ studie om skillnader i arbetstillfredsställelse mellan arbetare och tjänstemän ». Thesis, Linnéuniversitetet, Institutionen för psykologi (PSY), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-48978.
Texte intégralRésumé :
Syftet med denna studie var att undersöka om tjänstemän och arbetare skiljer sig åt i självskattad arbetstillfredsställelse samt att studera om arbetstillfredsställelse kan prediceras utifrån prediktorerna kön, ålder, anställningstid och facklig tillhörighet. Studien utfördes på ett statligt universitet i södra Sverige. Samplet bestod av 80 anställda från fyra avdelningar, ekonomiavdelningen, personalavdelningen, IT-avdelningen och lokal- och serviceavdelningen. Av dessa var 26 arbetare och 54 tjänstemän, baserat på facklig tillhörighet. Studiens mätinstrument bestod av en enkät baserad på Sigvard Rubenowitz test om psykosocial arbetsmiljökartläggning (PAK). Testet mäter arbetstillfredsställelse utifrån subskalorna egenkontroll, stimulans från arbetet, arbetsgemenskap, arbetsledningsklimat och arbetsbelastning. Statistisk prövning med med t-test och multipel regressionsanalys visade en signifikant skillnad mellan arbetare och tjänstemän där tjänstemän upplevde högre egenkontroll, mer stimulans från arbetet och högre arbetsbelastning. Anställningstid var en signifikant prediktor för arbetsbelastning och ålder visade sig vara en signifikant prediktor för arbetsledningsklimat och stimulans från arbetet.The purpose of this study was to examine if blue- and white collar workers differ in self-rated job-satifaction and also to find out if job-satisfacaction can be predicted by gender, age, period of employment and union affiliation. The study was performed at a state university in southern Sweden. The sample consisted of 80 employees from four different departments, the accounting department, the department of human reosurces, the IT department and the service department. Of these were 26 blue collar-workers and 54 white collar-workers based on union affiliation. The questionnaire was about psychosocial work environment (PAK) and is based on the test of Sigvard Rubenowitz. The test measures job-satisfaction by five different scales, self-control, work management, working community, work incentive and work load. Statistical analysis with t-test and multiple regression analysis revealed a significant difference between blue collar workers and white collar workers where white collar-workers felt more work incentive, more self-control and felt a higher work load. The result also revealed that period of employment was a significant predictor for work load and age was a significant predictor for work management and work incentive.
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Hunter, Ben. « Narratives of Change : Exploring Desistance from White-Collar Crime ». Thesis, Keele University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499349.
Texte intégral
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Wong, Yuk-see, et 黃玉司. « White collar crime : major bank fraud cases inHong Kong ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1990. http://hub.hku.hk/bib/B31976426.
Texte intégral
31
Lugo, Melissa Anne. « Self-Control, Attitudinal Beliefs, and White-Collar Crime Intentions ». Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4721.
Texte intégralRésumé :
Gottfredson and Hirschi's general theory of crime (1990) has received a great deal of empirical examination in the criminology, yet the application of this theory to white-collar crime offenders has not received a great deal of attention. Research that has been conducted in the realm of white-collar crime has yielded mixed support for low self-control in explaining such offenses (Simpson and Piquero, 2002; Reed and Yeager, 1996; Langton et al., 2006; Blickle, 2006). The current study seeks to supplement the literature by focusing not simply on the direct causal links between self-control and white-collar offending, but also exploring how attitudes play a role between self-control and intentions to engage in white-collar crime. Specifically, this study examines whether attitudes towards environmental offending mediate and moderate the relationship between self-control and intentions to engage in environmental white-collar crime. The results indicated that attitudes toward environmental offending did have a mediating effect, but the effect of attitudes did not significantly vary as a function of self-control. Subsequently, simple slopes analysis found that the effect of attitudes was only significant among those with average and high levels of self-control. Implications for the general theory of crime and future directions for white-collar crime research are discussed.
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Reyes, López Daniel Lorenzo. « Comportamiento crítico cuántico del modelo collar de Kondo aperiódico ». Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2009. https://hdl.handle.net/20.500.12672/264.
Texte intégralRésumé :
En este trabajo estudiamos el efecto de una modulación de intercambio aperiódica sobre el modelo del collar de Kondo. La relación de dispersión para las excitaciones del sistema es obtenida empleando una representación para los espines localizados y de conducción en términos de los operadores locales singlete y triplete. Esto es realizado en el marco de una aproximación Gaussiana, a temperatura cero y finita y para una dimensión arbitraria d. Los resultados permiten estudiar dos fases: una paramagnética a temperatura cero y otra antiferromagnética a temperatura finita, aunque con muy bajos valores (cerca del cero absoluto). En el primer caso se estudia la dependencia del gap de las energías del espín con la modulación de intercambio aperiódica, mientras que en el segundo caso se determina la línea de transición de Neel también como función de la modulación de intercambio aperiódica.-- In this work we have studied the aperiodic exchange modulation on the Kondo necklace model. The dispersion relation for the excitations of the system is obtained using a representation for the localized and conduction electrons in terms of local Kondo singlet and triplet operators. This result was obtained using a Gaussian approximation, at finite and zero temperature and arbitrary dimension, d. Our results allowed the study of two phases: the paramagnetic at zero tempe-rature and the antiferromagnetic at low finite temperature. In the first case, we studied the spin gap dependence on the aperiodic exchange modulation, whereas, in the second one we obtained the critical Neel line also as a function of the aperiodic exchange modulation.
Tesis
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Wang, Chuanlin. « Retrofitting of infilled RC frames using collar jointed masonry ». Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/15961/.
Texte intégralRésumé :
Masonry is a composite material made of masonry units bonded together with mortar. A large number of historical buildings constructed using masonry can be found all over the world. Little or no seismic loading was considered when they were built. Therefore, masonry structures often need to be retrofitted or strengthened. This research proposed a new strengthening approach using a collar-jointed technique. Namely, the approach is implemented by building another masonry wall parallel to the existing single-leaf wall and bonding the two together using a mortar collar joint. Furthermore, collar-jointed masonry wall construction is also a popular construction system in reality. This thesis considers two different types of collar wall strengthening applications: pre- and post-damaged walls. The results found out that the pre-damaged strengthening could improve the lateral resistance by about 50% while the post-damaged retrofitting can only restore the initial strength. A simplified micro-scale finite element model for fracture in masonry walls was developed. The mortar joints and the brick-mortar interfaces are taken to have zero-thickness. The bricks were modelled as elastic elements while the brick-mortar interfaces were represented using a Mohr-Coulomb failure surface with a tension cut-off and a linear compression cap. One feature of the research was to identify the material parameters for the constitutive model. The material parameters were tuned by minimizing the difference between the experimental and numerical results of a single leaf wall panel. The model was then validated by assigning the parameters to the single-leaf masonry wall as well as to the double-leaf wall to predict its mechanical behaviour. Good agreement with experimental results was found. Furthermore, masonry is also widely used in the form of infill panels within RC frames. Therefore, the collar-jointed technique has also been extended and applied to the infilled RC frame. The numerical results showed that the collar-jointed technique could provide some benefits to the composite structure.
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Ryan, Frank S. M. (Frank Michael)Massachusetts Institute of Technology. « Reskilling white-collar workers : what's in it for firms ? » Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/130208.
Texte intégralRésumé :
Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, September, 2020Cataloged from student-submitted PDF of thesis.
Includes bibliographical references (pages 52-53).
Increasing rates of skill obsolescence amongst white-collar workers resulting from rapid technological and organizational shifts within firms, coupled with an insufficient supply of workers proficient in technical areas such as software engineering and data science, has meant that firms are beginning to look to reskilling their incumbent workers as a means of filling skill gaps. This aim of this study was to examine the process and outcomes of efforts made by a US-based diversified global insurance company between 2016 and 2018 to reskill and reassign approximately 300 employees in the face of changing technological and market demands. More specifically, this involved running an immersive coding program for employees with little or no prior coding experience, with the ultimate aim of finding them new job roles in technical areas such as software engineering and data science. Quantitative analysis of longitudinal employee data, combined with qualitative interviews with program participants and administrators of the program, was used to assess the wide-ranging impacts that program had both on the firm and its workforce. Results suggest that the firm benefitted immensely from the retention of business-related knowledge and a low turnover rate of program graduates compared to externally hired software engineers. The majority of program participants also benefited from receiving free technical skills training, resulting in improved career prospects, however inefficiencies in the onboarding process for placing code school graduates on to new technical teams meant that some unfortunate participants were unfairly disadvantaged. Overall, this study provides encouraging evidence for the potential for white-collar reskilling programs to bring about positive outcomes for both firms and their workers, with several lessons learned for future implementations of similar programs.
by Frank Ryan.
S.M. in Technology and Policy
S.M.inTechnologyandPolicy Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society
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Follert, Florian. « On the punishment of white-collar and tax crime ». Universität Leipzig, 2019. https://ul.qucosa.de/id/qucosa%3A33907.
Texte intégralRésumé :
Economic and tax crimes account for a significant proportion of criminal activity and result in considerable economic damage. In Germany, two of the most prominent offenders in this area in recent years were Thomas Middelhoff and Uli Hoeneß, both of whom served jail sentences. Taking advantage of the widespread media coverage of both cases, the following paper draws on economic theory to compare prison terms with fines. It argues that fines are preferred from an economic perspective and can therefore be considered a useful firstchoice punishment in cases involving white-collar and tax crimes. The paper sees itself in this regard as a plea.
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Van, Slyke Shanna. « Social identification and public opinion on white-collar crime ». Tallahassee, Florida : Florida State University, 2009. http://etd.lib.fsu.edu/theses/available/etd-10272009-160114/.
Texte intégralRésumé :
Thesis (Ph. D.)--Florida State University, 2009.Advisor: Thomas G. Blomberg, Florida State University, College of Criminology and Criminal Justice. Title and description from dissertation home page (viewed on Mar. 11, 2010). Document formatted into pages; contains xi, 133 pages. Includes bibliographical references.
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Hodges, Nathan Lee. « Blue-Collar Scholars : Bridging Academic and Working-Class Worlds ». Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6256.
Texte intégralRésumé :
This dissertation explores one white working-class family’s hopes, fears, illusions, and tensions related to social mobility. I tell stories from my experiences as a first-generation college student, including: ethnographic fieldwork; interviews with my family, community members, and former teachers; and narratives from other working-class academics to provide an in-depth, evocative, and relational look at mobility. I explore the roots of vulnerability in my family and how I was socialized into understanding belonging and worthiness in particular ways, and how this socialization influences my feelings of belonging and worthiness in the academy. The goal of this research is bridging – past and present selves, working-class and academic cultures, work and family – for me and my family and other first-generation students and their families.
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Hird, Derek. « White-collar men and masculinities in contemporary urban China ». Thesis, University of Westminster, 2009. https://westminsterresearch.westminster.ac.uk/item/90x85/white-collar-men-and-masculinities-in-contemporary-urban-china.
Texte intégralRésumé :
This work investigates the characteristics of masculinity that are at the symbolic heart of China’s economic success, and of which the figure of the white-collar man is emblematic. Based on fieldwork observations, interview and media publications, it examines the gendered practices, aspirations and attitudes of men who identify with or aspire to white-collar status alongside discursive representations of the Chinese white-collar man, interrogating the links between practice and discourse. Drawing on various approaches to theorizing subjectivity, it argues that white-collar masculinity is performed in ways that suggest both radical shifts and continuities in understandings of gender, which challenge the prevalent teleological narrative of China’s modernization. The first chapter sets the scene for white-collar masculinity in the reform era and discusses fieldwork methodologies. Chapter two sets out the theoretical framework adopted to analyse the gendered white-collar subject, and examines academic literature on masculinities in China. Chapter three examines the ‘body culture’ of informants, and how they ‘bring themselves’ to white-collar discourse through attention to their bodies in areas of daily life such as dress, movement and hygiene. Chapters four and five look respectively at the production of corporate masculinity both inside and outside the office, through an exploration of business and leisure practices, and their overlap. Chapter six takes a close look at the young white-collar man as (heterosexual) boyfriend and husband and the final chapter investigates sexualisations of young urban middle-class males, and comments on their transformative possibilities.
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Tolley, Rebecca. « Disco, Tattoos and Tutus : Blue Collar Performances on Wheels ». Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/5739.
Texte intégral
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Nasiri, Naseer. « Åhaga : a collage of time ». Thesis, KTH, Arkitektur, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146753.
Texte intégralRésumé :
Åhaga is a facility building for music, theater, sports, trade shows, product-launches and other events located in the city of Borås. The building is owned and run by the Åhaga Foundation and annually has over 100 000 people visiting it for different purpose. It consists of the original part from 1903 and three different extensions from 1920, 1940 and 2002. The task of this project was to do another extension to the existing building which deals with the question of adjusting and relating to Åhga's cultural/ historical context and together with the original building meet new demands and functions. "The accumulation of overlapping traces from successive periods, each trace modifying and being modified by the new additions to produce something like a collage of time” is a thought shared by Kevin Lynch in his work What time is this place. The essence of the project has been to add a new layer of time to a historical context while enhancing the complexity and contrast. The aim has been to accomplish an interesting architectural entirety.Åhaga är en anläggning för musik, teater, sport, mässor, produktlanseringar och andra evenemang som ligger i Borås. Byggnaden ägs och förvaltas av Åhaga Stiftelse och årligen har över 100 000 besökare för olika ändamål. Anläggningen består av den ursprungliga delen från 1903 och tre olika tillbyggnader från 1920, 1940 och 2002. Uppgiften för det här projektet var att göra ett ytterligare tillägg till den befintliga anläggningen och som tar upp frågan om hur nya tillägg tar hänsyn till det kulturhistoriska värdet av en befintlig byggnad och tillsammans med den ursprungliga byggnaden uppfyller nya krav och funktioner. "The accumulation of overlapping traces from successive periods, each trace modifying and being modified by the new additions to produce something like a collage of time” är vad Kevin Lynch skriver i hans bok What time is this place. Kärnan i projektet har varit att lämna spår från vår tid i ett historiskt kontext och samtidigt stärka komplexitet och kontrasten. Målsättningen i projektet har varit att åstadkomma en intressant arkitektonisk helhet.
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Santos, Alejandro Manuel. « Collage as a design process ». Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/33852.
Texte intégralRésumé :
Invented by Max Ernst.
This is a creative process based on quotation.
Here I quote architects and buildings that I admire.
The intention is to compose a project while finding my own syntax and working proceedure.
Collage.Master of Architecture
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Cohen, Jacqueline M. « Collage : a metaphor for remembering ». The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1299793856.
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Pasquier, Wilfried Nivet Marc-Henri. « Le collage indirect en orthodontie ». [S.l.] : [s.n.], 2008. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=44636.
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Radisson, Damien. « Collage direct sur surfaces structurées ». Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENY086/document.
Texte intégralRésumé :
Le collage direct est un procédé par lequel deux surfaces suffisamment planes et propres peuvent se coller sans ajout d'un adhésif. Le collage direct de surfaces structurées est souvent utilisé pour la fabrication de système mécanique microélectronique (MEMS), où une plaque de silicium avec des cavités est collée à une autre plaque de silicium. La fabrication de ces dispositifs est chère et il serait utile d'avoir une ligne directrice lors du dessin de structures afin de savoir à l'avance si le collage direct sera possible.Un modèle de simulation 2D pour le collage direct de deux substrats est développéet utilisé pour étudier l'influence des cavités sur la vitesse de propagation de l'ondede collage. Les prédications données par des simulations avec Comsol® sont en bonnecohérence avec les mesures expérimentales et une loi en 2 dimensions de la vitesse de collage est obtenue. Le collage de plaques parfaitement planes avec des cavités serait toujours possible. Les limitations lors du collage de vraies plaques sont dues au coût de l'énergie élastique pour déformer les plaques non parfaitement planes. Cette limite est atteinte facilement quand l'onde de collage doit traverser une tranchée, dans ce cas un dessin avec un petit guide de collage pour aider à traverser la cavité fonctionnera mieux. La taille de ce guide d'onde doit être choisis en considèrent la flèche de la plaque. En effet la seconde règle importante du dessin est de garder une surface de collage suffisante pour avoir plus d'énergie d'adhésion que le coût en énergie élastique dû à la déformation des plaques non parfaitement planes.L'énergie d'adhésion est un important paramètre du collage direct, car c'est l'énergie qui permet l'adhésion. Cette énergie d'adhésion est différente de l'énergie de collage la plus répandues qui est l'énergie requise pour séparer deux plaques précédemment collées. Dans cet ouvrage une méthode simple de mesure d'adhésion est proposée. Une mesure de l'évolution de l'énergie d'adhésion sur un temps long nous mène à proposer un mécanisme d'évolution lié à la formation de ponts capillaires entre des surfaces rugueusesDirect bonding is a process by which two sufficiently flat and clean surfaces can bond to each other without any added adhesive layer. Direct bonding of patterned surfaces is often used for the fabrication of Micro-Electro-Mechanical Systems (MEMS), where a silicon wafer with cavities is bonded to a plain wafer. The fabrication of these devices is expensive and it would be useful to have guidelines when designing knew devices to know in advance if direct bonding will be possible.A 2D simulation model of the direct bonding of two substrates is developed and usedto study the influence of the cavities on the bonding wave velocity. The prediction of the simulation run with Comsol® are in good coherence with the experimental measures and a 2D law of the bonding velocity is obtained. The bonding of perfectly flat wafers with cavities should always be possible. Limitations to the bonding of real wafers are due to the elastic energy cost of deforming the non perfectly flat wafers. This limit is reached easily when the bonding wave must cross a trench, so a design with a small bonding guide to help cross the cavity will work best. The width of this wave guide should be chosen by considering the bow of the wafer. Indeed the second important design rule is to keep a bonding area big enough to have more adhesion energy than the elastic energy cost due to non flat wafers deformation.The adhesion energy is an important parameter of the direct bonding, as it is theenergy that drives the adhesion. This adhesion energy is different from the more widely known bonding energy which is the energy needed to separate two previously bonded wafers. In this work a simple method to measure the adhesion is proposed. Long time measurement of the evolution of the adhesion energy lead us to propose a mechanism for its evolution linked to the formation of capillary bridges between rough surfaces
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Morales, Castaño Irina Tatiana. « Sistemática e biogeografia do gênero Collaria Provancher, 1872 (Hemiptera : Miridae) ». Universidade Federal de Viçosa, 2015. http://www.locus.ufv.br/handle/123456789/6808.
Texte intégralRésumé :
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texto completo.pdf: 4285917 bytes, checksum: 3d22a343c6e1cb0ec8ac88bb31026911 (MD5)Made available in DSpace on 2015-11-27T15:36:59Z (GMT). No. of bitstreams: 1 texto completo.pdf: 4285917 bytes, checksum: 3d22a343c6e1cb0ec8ac88bb31026911 (MD5) Previous issue date: 2015-02-24
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Miridae é a maior família da subordem Heteroptera (Hemiptera) e se encontra distribuída em todas as regiões biogeográficas do planeta, possuindo cerca de 11.020 espécies, alocadas em 1.200 gêneros e a oito subfamílias. Collaria Provancher, 1872 pertence à tribo Stenodemini (Mirinae). As espécies do gênero estão associadas a plantas hospedeiras da família Poaceae, causando danos econômicos principalmente em pastagens, aveia, arroz, milho e trigo. Mudanças no trato agrícola, ampliação de áreas de cultivo e câmbios climáticos têm resultado no surgimento de novas espécies-praga e novos registros na distribuição geográfica das espécies do gênero. O objetivo desta tese foi realizar a revisão taxonômica do gênero Collaria (Hemiptera: Miridae) e propor hipóteses filogenéticas e biogeográficas das relações internas do grupo. Realizou-se um estudo sobre a morfologia comparada da genitália do macho e da fêmea, com sete espécies representativas da variação externa e da distribuição geográfica do gênero, apresentando-se descrições, fotos e ilustrações. Foram propostas as homologias primárias para serem testadas na análise filogenética. Foram revistas 22 coleções entomológicas com objetivo de contribuir com a taxonomia de Collaria. O trabalho apresenta redescrições e diagnoses para todas as espécies de Collaria e a descrição de uma espécie nova da região afrotropical. Estão incluidos novos dados de distribuição para as regiões afrotropical e neotropical e uma chave de identificação para as espécies. A monofilia do gênero foi testada incluindo-se 20 espécies (15 do grupo interno e cinco do grupo externo) e 67 caracteres morfológicos, utilizando-se análise de parcimônia com os programas TNT. A monofilia do gênero foi suportada por quatro sinapomorfias. Com os resultados filogenéticos e os dados de distribuição geográfica, foi feita uma análise espacial de vicariância, onde se obteve sete nódulos representados por linhas de Voronoi. Propõe-se uma relação ancestral entre as espécies Neotropicais, Neárticas e Afrotropicais, com provável origem após do rompimento de Gondwana e do estabelecimento do estreito do Panamá.
Miridae is the most diverse group of the suborder Heteroptera (Hemiptera); and is distributed in all biogeographic regions of the planet, with currently more than 11,020 described species grouped in 1,200 genera and eight subfamilies. Collaria Provancher, 1872 belongs to Stenodemini (Mirinae). The species of the genus are associated with the family of host plants Poaceae, and are responsible for significant economic damage to pastures, oats, rice, maize, and wheat crops. Changes in agriculture, expansion of cultivation areas and climate changes have resulted in the emergence of new pest species and new records in the geographical distribution of species. The objective of this thesis was to conduct a taxonomic revision of genus Collaria (Hemiptera: Miridae) and to propose phylogenetic and biogeographic hypotheses of the relationships within the group. A study of the comparative structure of the male and female genitalia was performed, based on seven species, which represent the external variation observed as well as the geographical distribution. Primary homology hypothesis was proposed and tested by phylogenetic analysis. Twenty-two entomological collections were reviewed, in order to contribute to the taxonomy of Collaria. Descriptions, illustrations, digital micrographs and diagnoses for all the species are provided; in addition, the description of a new species of the Afrotropical region is presented. New distribution data for the Afrotropical and Neotropical regions and an identification key to all species are given. The genus monophyly was tested, with 20 species (15 of the inner group and five of the outgroup) and 67 morphological characters in a parsimony analysis using the software TNT. The monophyly of the genus is supported by four synapomorphies. Based on these results, a biogeographical analysis was conducted (Spatial Analysis of Vicariance). Seven vicariant nodes represented by the Voronoi lines were found. An ancient relationship between Neotropical, Afrotropical and Neartic species, with probable origin after the breakup of Gondwana and after the establishment of Isthmus of Panama is suggested.
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Schnapp, Jonathan. « Torn away / ». Online version of thesis, 2008. http://hdl.handle.net/1850/6248.
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Lee, Myoung lim. « Waiting, waiting and waiting / ». Online version of thesis, 1991. http://hdl.handle.net/1850/11888.
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Hardman, Lisa, et mikewood@deakin edu au. « Attitudes and perceptions of workers to sexual harassment ». Deakin University. School of Psychology, 2000. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20051202.090143.
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This thesis highlights the importance of workers perceptions of and attitudes to sexual harassment. Past researchers have found that a variety of individual factors (age, gender, gender role, and past experiences of sexual harassment), and organisational factors (gender ratio, sexual harassment policies and the role of employers), correlate with the incidence of sexually harassing behaviours. Two studies presented in this thesis extend this research and were designed to investigate how these factors relate to workers attitudes towards and perceptions of sexual harassment. Study one investigated 176 workers from a large, white-collar organisation. Study two sampled 75 workers from a smaller, blue-collar organisation. By comparing two different workplaces the effect of the organisational climate was investigated. Individuals from Study two experienced more sexual harassment, were more tolerant of sexual harassment and perceived less behaviour as sexual harassment compared with individuals from Study one. The organisational context was found to affect the way in which organisational and individual factors related to workers' attitudes to and their experiences of sexual harassment. However, the factors that influenced workers perceptions of sexual harassment were stable across both studies. Although workers attitudes to and their perceptions of sexual harassment were significantly correlated, they were influenced by different factors. Overall, workers perceptions of sexual harassment were influenced by their attitudes, the behavioural context, and the gender of the victim and perpetrator. In contrast, attitudes to sexual harassment appeared to be more strongly influenced by individual factors, such as age, gender, gender role, past experiences of sexual harassment, and perceptions of managements tolerance of sexual harassment. The broader implications of these findings are discussed and recommendations for future research are suggested.
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Lee, Ching-man Dorothy. « China blue collar workers : work stress, coping and mental health / ». View the Table of Contents & ; Abstract, 2003. http://sunzi.lib.hku.hk/hkuto/record/B36783213.
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Bruinelli, Tiago de Oliveira. « Lindolfo Collor : múltiplas narrativas ». Universidade do Vale do Rio dos Sinos, 2013. http://www.repositorio.jesuita.org.br/handle/UNISINOS/4653.
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A figura de Lindolfo Collor, primeiro Ministro do Trabalho brasileiro, foi interpretada em diferentes momentos por diversos intelectuais, acadêmicos ou não. Essas diferentes interpretações geraram quantidade significativa de narrativas biográficas. O objetivo deste estudo é a análise de alguns destes relatos à luz de teóricos que pensaram as possíveis relações existentes entre gênero biográfico, imagens e memória/imaginário, como por exemplo, François Dosse, Paul Ricoeur, Sabina Loriga, Jacques Le Goff, Peter Burke, etc. Seja priorizando o texto escrito, ou utilizando-se também de imagens referentes a Lindolfo Collor, tais relatos contribuíram para a construção e/ou cristalização de um tipo de imagem e de memória sobre essa personalidade histórica que - apesar de estarem divididos em diferentes perspectivas ao longo dos capítulos - segue um fio condutor. Os referidos relatos destacam, entre outros aspectos, as origens humildes do biografado, valorizando a sua experiência no jornalismo, o cargo de Ministro do Trabalho, e a posterior desavença política com Getúlio Vargas, o ostracismo e as perseguições sofridas. Essa construção de um imaginário sobre Lindolfo Collor encontrou espaço principalmente na cidade de São Leopoldo (Rio Grande do Sul), que, até os dias de hoje, destaca-se pela valorização do imigrante alemão na história política, econômica e social do município. Em âmbito maior, surgem relatos sobre Lindolfo Collor, principalmente no final da década de 1980 e início da década de 1990, coincidindo com o início da campanha presidencial de Fernando Collor de Mello – neto do biografado – e a posterior chegada do mesmo ao cargo de Presidente da República. Na década de 1990 também surge um relato em tom comemorativo sobre Lindolfo Collor que primou – muito mais do que os anteriores – por uma concatenação de textos escritos e “textos imagéticos”: fotografias, caricaturas e charges, o que, em grande medida, permitiu também a construção e a manutenção de uma imagem visual sobre o biografado, com ênfase no período em que o mesmo foi o primeiro Ministro do Trabalho do Brasil (1930-1932).
The figure of Lindolfo Collor, first Brazilian Minister of Labour, was interpreted at different times by various intellectuals, academics or not. These different interpretations have generated significant amount of biographical narrations. This study is an analysis of some of these narrations in the light of theoretical which thought possible links between biographical genre, images and memory / imaginary, such as François Dosse, Paul Ricoeur, Sabina Loriga, Jacques Le Goff, Peter Burke, etc. Be prioritizing the written text, or also using pictures regarding Lindolfo Collor such reports contributed to the construction and/or cristalization of a type of image and memory of this historical personality who - despite being divided into different perspectives to throughout the chapters - follows a thread. These reports highlight, among other things, the humble origins of the biography, valuing their experience in journalism, the position of Minister of Labour, and the subsequent political fallout with Getúlio Vargas, ostracism and persecutions. This construction of an imaginary space on Lindolfo Collor found mainly in São Leopoldo (Rio Grande do Sul), which, to this day, there is the appreciation of German immigrant in political history, economic and social council. In larger part, arise reports Lindolfo Collor, especially in the late 1980s and early 1990s, coinciding with the beginning of the presidential campaign of Fernando Collor de Mello - grandson of the biography - and the subsequent arrival of the same for President the Republic. In the 1990 also comes in a report on celebratory tone Lindolfo Collor who excelled - far more than previous ones - by a concatenation of texts and "imagistic texts": photographies, caricatures and cartoons, which largely allowed also the construction and maintenance of a visual image about biographed person, with emphasis on the period in which it was the first Minister of Labour of Brazil (1930-1932).