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Tesis sobre el tema "Long-term persistence"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 31 de enero de 2023

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1

Valencia, Caicedo Felipe. "Three essays in long-term economic persistence." Doctoral thesis, Universitat Pompeu Fabra, 2015. http://hdl.handle.net/10803/297566.

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This dissertation investigates economic persistence in the Americas. The first chapter shows the positive long-term economic impact of the Guarani Jesuit Missions in South America. I find that municipalities in Argentina, Paraguay and Brazil with former missionary presence have higher educational and income levels today. Such enduring differences are consistent with cultural transmission mechanisms. The second chapter establishes the within country persistence of economic activity in the New World over the last half millennium. In particular, we show that high pre-colonial density areas

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2

Thyer, Mark Andrew. "Modelling long-term persistence in hydrological time series." Diss., 2000, 2000. http://www.newcastle.edu.au/services/library/adt/public/adt-NNCU20020531.035349/index.html.

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3

McLaren, Jack. "Adult students in university : long-term persistence to degree-completion." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31101.

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Long-term persistence to degree completion by adult university students represents a different focus from most adult education participation research and higher education dropout research. Much of the research on adults in university has treated these adults as a new (non-traditional) group, despite evidence that many had been enrolled as traditional-age students. Samples limited to first-year students, part-time students, and students in special programs provide only a limited perspective on the whole population of adults in university. It was hypothesized that adults who had been in univers

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4

Strimas-Mackey, Matthew. "Accounting for long-term persistence of multiple species in systematic conservation planning." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/58572.

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Protected areas form the cornerstone of global efforts to conserve biodiversity. The goal of systematic conservation planning is to design protected area networks that secure the long term persistence of biodiversity. However, most current methods focus on maximizing the representation of species and don’t explicitly plan for the persistence of those species in the protected landscapes into the future. In this thesis, I present a new tool for systematic reserve design that optimizes the configuration of reserve networks to maximize persistence across multiple species. This method is based on m

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5

Suggs, Jessica Marie. "Long-term Changes in Synoptic-Scale Air Mass Persistence Across the United States." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78705.

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From a climate dynamics perspective, air mass persistence reflects variability in the dynamic nature of the atmosphere. In this study, a historical analysis of synoptic air mass persistence across the continental United States is presented to portray spatial and temporal variability and trends in air mass residence times. Historical daily air mass calendars for 140 locations across the United States for the 60-year period 1955 through 2015 were extracted from the Spatial Synoptic Classification database. The data were stratified by season, and a historical climatology of seasonal air mass occu

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6

Li, Bocheng. "Influence of Petroleum Deposit Geometry on Long Term Persistence of Residual Crude Oil." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/54007.

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Following the DWH oil spill event, crude oil reaching the shoreline of Gulf of Mexico produced petroleum oil deposit with a range of distinct geometries, including sphere tar balls and horizontal tar sheets. Numerical models were developed based on the Deep Water Horizon oil spill conditions to evaluate the influence of deposit geometry on long term persistence of residual NAPL oil. Two extreme deposit geometries were modeled in this study: the horizontal tar sheet and the spherical tar ball. Both two-dimensional modeling approach and three-dimensional modeling approach were applied to compare

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7

Yenni, Glenda Marie. "Self-limitation as an explanation for species' relative abundances and the long-term persistence of rare species." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1958.

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Much of ecological theory describes species interactions. These interactions often play an important theoretical role in facilitating coexistence. In particular, rarity in ecological communities, though often observed, provides a significant challenge to theoretical and empirical ecologists alike. I use a plant community model to simulate the effect of stronger negative frequency dependence on the long-term persistence of the rare species in a simulated community. This strong self-limitation produces long persistence times for the rare competitor, which otherwise succumb quickly to stochastic

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8

Manzello, Derek Paul. "Short and Long-term Ramifications of Climate Change upon Coral Reef Ecosystems: Case Studies Across Two Oceans." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/78.

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World-wide coral reefs are in a state of decline as a result of many local and regional factors. Recent global mass mortalities of reef corals due to record warm sea temperatures have led researchers to consider global warming as one of the most significant threats to the persistence of coral reef ecosystems over the next 100 years. It is well established that elevated sea surface temperatures (SSTs) cause widespread coral bleaching, yet confusion lingers as to what facet of extreme temperatures is most important. Utilizing long-term in situ datasets, nine thermal stress indices were calcula

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9

Wood, David. "Forest Disturbance and the Long Term Population Persistence of the Mt. Graham Red Squirrel: A Spatially Explicit Modeling Approach." Thesis, The University of Arizona, 2007. http://hdl.handle.net/10150/193362.

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We combined field data with high-resolution satellite imagery and a spatially explicit population model to predict long-term population dynamics of the endangered Mt. Graham red squirrel (MGRS: Tamiasciurus hudsonicus grahamensis), with the goal of examining effects of disturbance on MGRS population dynamics. We found that modeling MGRS dynamics improved with population specific data. Our results indicate that predation and competition potentially have large, adverse effects on population abundance. Habitat quality analysis indicates much of the spruce-fir forest is degraded to the point th

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10

Carossino, Mariano. "CELLULAR AND MOLECULAR BASIS OF EQUINE ARTERITIS VIRUS PERSISTENT INFECTION IN THE STALLION REPRODUCTIVE TRACT: CHARACTERIZATION OF LOCAL HOST-PATHOGEN INTERACTIONS MEDIATING LONG-TERM VIRAL PERSISTENCE." UKnowledge, 2018. https://uknowledge.uky.edu/gluck_etds/35.

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Equine arteritis virus (EAV) has a global impact on the equine industry being the causative agent of equine viral arteritis (EVA), a reproductive, respiratory, and systemic disease of equids. A distinctive feature of EAV infection is that it establishes long-term persistent infection in the reproductive tract of stallions and is continuously shed in the semen (carrier state). Recent studies showed that long-term persistence is associated with a specific allele of the CXCL16 gene (CXCL16S). However, the cellular and molecular mechanisms underlying the establishment and maintenance of persistent

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11

Pisa, Martín Sergio. "Long distance dispersal, local adptation and long term persistence in bryophytes : studies in the moss Bryum argenteum= Dispersión a larga distancia, adaptación local y persistencia a largo plazo en briófitos: estudios en el musgo Bryum argenteum." Doctoral thesis, Universidad de Murcia, 2015. http://hdl.handle.net/10803/326746.

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Los briófitos, en comparación con las plantas con semilla, se dispersan a mayores distancias, tienen mayor amplitud ecológica, menos endemismos y distribuciones geográficas más amplias. Dos hipótesis se han discutido tradicionalmente para explicar sus amplias y disyuntas distribuciones. La primera lo interpreta como resultado de la fragmentación de una antigua distribución continua (vicarianza). La segunda lo explica como consecuencia de la dispersión intercontinental. En general, los estudios genéticos sugieren que ha habido dispersión intercontinental durante la diversificación de briófitos,

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12

Griffiths, Mat. "A thesis on the clinical behhaviour, histological features, long term persistence and cytokine profile of a living skin substitute in an acute, deep-dermal, human wound model." Thesis, Queen Mary, University of London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542035.

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13

Signor, Cristiane. "EFEITO DA ESPERMIDINA SOBRE A PERSISTÊNCIA DA MEMÓRIA EM RATOS." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/11211.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The long-term memory involves three stages: acquisition, consolidation and extinction. However was recently described a new phase of consolidation, called the persistence of memory. At this stage, crucial events occur 12 hours after the acquisition, in which the synthesis of new proteins and brain derived neurotrophic factor, are essential. The polyamines putrescine, spermidine and spermine, they act as endogenous modulators of various ion channels, including the glutamatergic receptor subtype N-methyl-D-aspartate. Systemic and int

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14

Lindeberg, Carola. "Long-term changes of mercury, lead and persistent organic pollutants in arctic environments." Doctoral thesis, Umeå : Department of Ecology and Environmental Science, Umeå Univ, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1060.

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15

Lowry, Stephanie Margaret. "Visual place recognition for persistent robot navigation in changing environments." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/79404/1/Stephanie_Lowry_Thesis.pdf.

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This thesis demonstrates that robots can learn about how the world changes, and can use this information to recognise where they are, even when the appearance of the environment has changed a great deal. The ability to localise in highly dynamic environments using vision only is a key tool for achieving long-term, autonomous navigation in unstructured outdoor environments. The proposed learning algorithms are designed to be unsupervised, and can be generated by the robot online in response to its observations of the world, without requiring information from a human operator or other external s

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16

Ehlers, Ina. "NMR studies of metabolites and xenobiotics: From time-points to long-term metabolic regulation." Doctoral thesis, Umeå universitet, Institutionen för medicinsk kemi och biofysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-97684.

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Chemical species carry information in two dimensions, in their concentrations and their isotopic signatures. The concentrations of metabolites or synthetic compounds describe the composition of a chemical or biological system, while isotopic signatures describe processes in the system by their reaction pathways, regulation, and responses to external stimuli. Stable isotopes are unique tracers of these processes because their natural abundances are modulated by isotope effects occurring in physical processes as well as in chemical reactions. Nuclear magnetic resonance (NMR) spectroscopy is a pr

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17

Gao, Helen Guoyi Li. "INCREASED FIBROGENIC PROTEINS FOLLOWING PERSISTENT LOW-GRADE INFLAMMATION IN A RAT MODEL OF LONG-TERM OVERUSE." Master's thesis, Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/238810.

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Biomedical Sciences<br>M.S.<br>We examined the relationship between grip strength declines and muscle-tendon responses induced by long-term performance of a high-repetition, low-force (HRLF) reaching task in rats. We hypothesized that grip strength declines would correlate with inflammation, fibrosis and degradation in flexor digitorum muscles and tendons. Grip strength declined after training, and further in weeks 18 and 24, in reach limbs of HRLF rats. Flexor digitorum tissues of reach limbs showed low-grade increases in inflammatory cytokines: IL-1beta after training and in week 18, IL-1alp

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18

Maddern, William Paul. "Continuous appearance-based localisation and mapping." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/65841/2/William_Maddern_Thesis.pdf.

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This thesis presents a novel approach to mobile robot navigation using visual information towards the goal of long-term autonomy. A novel concept of a continuous appearance-based trajectory is proposed in order to solve the limitations of previous robot navigation systems, and two new algorithms for mobile robots, CAT-SLAM and CAT-Graph, are presented and evaluated. These algorithms yield performance exceeding state-of-the-art methods on public benchmark datasets and large-scale real-world environments, and will help enable widespread use of mobile robots in everyday applications.

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19

Dean, Philip J. "Long-term outcome from mild traumatic brain injury, and the potential neurophysiological underpinnings for persistent post-concussion syndrome." Thesis, University of Surrey, 2015. http://epubs.surrey.ac.uk/807854/.

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The aim of the research presented is to gain a better understanding of the processes underlying the persistent report of somatic, cognitive and affective symptoms (known as post-concussion syndrome, PCS) after a mild brain injury (mTBI), and to elucidate whether there are any replicable biological factors contributing towards this syndrome. The results demonstrate that although PCS-like symptoms are present to a similar degree in the non-head injured population, individuals with mTBI and persistent PCS have significantly worse working memory, attention and information processing speed performa

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20

Wannenwetsch, Oliver [Verfasser], Ramin [Akademischer Betreuer] [Gutachter] Yahyapour, and Jens [Gutachter] Grabowski. "Long-Term Location-Independent Research Data Dissemination Using Persistent Identifiers / Oliver Wannenwetsch ; Gutachter: Ramin Yahyapour, Jens Grabowski ; Betreuer: Ramin Yahyapour." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://d-nb.info/1128902540/34.

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21

Ellis, David Harold. "Silver nanoparticles: the immediate benefits of low bacterial resistance and the long-term risk of persistent stress in mammalian cells." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1450827524.

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22

Lindgren, Monica Elissa. "Persistent fatigue in disease-free breast cancer survivors: Evaluating long-term effects of pretreatment depression and cancer-specific avoidance coping." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1468288760.

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23

Briney, Glenna Denise. "Long term effects of day treatment programs for adults with severe and persistent mental illness: Effectiveness measured in rates of recidivism." CSUSB ScholarWorks, 2005. https://scholarworks.lib.csusb.edu/etd-project/2731.

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The purpose of this study was to compare and measure the long term effectiveness of the rehabilitative day treatment program at San Bernardino County's Department of Mental Health. This current study was completed in 2005 and is a follow up study tracking the long term effectiveness of the program.

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24

Unger, Julia [Verfasser], and Christian [Akademischer Betreuer] Glück. "The Immediate and Long-term Effects of Altered Auditory Feedback (AAF) on the Characteristics of Persistent Developmental Stuttering / Julia Unger. Betreuer: Christian Glück." Heidelberg : Pädagogische Hochschule Heidelberg, 2012. http://d-nb.info/107028579X/34.

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25

Bogart, Vada S. "The effects of looping on the academic achievement of elementary school students." [Johnson City, Tenn. : East Tennessee State University], 2002. http://etd-submit.etsu.edu/etd/theses/available/etd-0820102-105005/unrestricted/BogartV082302a.pdf.

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26

Huang, Nuoyu. "Persistent Oral Dyskinesias Induced by Long-term Haloperidol Treatment is Dissociated from Changes in Neostriatal B(max) and Mrna Content for Dopamine D(2) Receptors." Digital Commons @ East Tennessee State University, 1995. https://dc.etsu.edu/etd/2736.

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Due to the presumed associations of dopamine (DA) receptor supersensitivity phenomena in both long-term neuroleptic-treated tardive dyskinetic rats and neonatal 6-hydroxydopamine (n6-OHDA)-lesioned rats, we studied the influence of haloperidol on n6-OHDA-lesioned rats. At 3 days after birth rats received 6-OHDA-HBr (200 $\mu$g, bilateral intracerebroventricularly; desipramine pretreatment, 20 mg/kg, 1h) or vehicle. Two months later haloperidol (1.5/kg/day $\times$ 2 days/week for 4 weeks, then 1.5 mg/kg/day, every day for 10 months) was added to the drinking water. Spontaneous oral activity of

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27

Diaz, Sacristan Adria, and Marina Tofan. "Upplevelsen av bemötande inom vården hos patienter med kronisk smärta." Thesis, Högskolan i Borås, Akademin för vård, arbetsliv och välfärd, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-21393.

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Kronisk smärta är ett samhällsproblem med stor påverkan på människors liv och som innebär höga kostnader för vården. Tillståndet skapar frustration för både patienter och vårdpersonal på grund av att det saknas effektiv behandling och det är svårt att förklara smärtans uppkomst om ingen somatisk diagnos finns. Detta ledder till att patienterna blir misstrodda och nonchalerade eller sedda som fuskare som vill utnyttja välfärden. Många blir misstänkta för drogberoende och empati saknas i möten med vården. Som en konsekvens tappar patienterna tillit till vården och undviker till och med att söka

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28

Thyer, Mark Andrew. "Modelling Long-Term Persistence in Hydrological Time Series." Thesis, 2001. http://hdl.handle.net/1959.13/24891.

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The hidden state Markov (HSM) model is introduced as a new conceptual framework for modelling long-term persistence in hydrological time series. Unlike the stochastic models currently used, the conceptual basis of the HSM model can be related to the physical processes that influence long-term hydrological time series in the Australian climatic regime. A Bayesian approach was used for model calibration. This enabled rigourous evaluation of parameter uncertainty, which proved crucial for the interpretation of the results. Applying the single site HSM model to rainfall data from selected Australi

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29

Thyer, Mark Andrew. "Modelling Long-Term Persistence in Hydrological Time Series." 2001. http://hdl.handle.net/1959.13/24891.

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The hidden state Markov (HSM) model is introduced as a new conceptual framework for modelling long-term persistence in hydrological time series. Unlike the stochastic models currently used, the conceptual basis of the HSM model can be related to the physical processes that influence long-term hydrological time series in the Australian climatic regime. A Bayesian approach was used for model calibration. This enabled rigourous evaluation of parameter uncertainty, which proved crucial for the interpretation of the results. Applying the single site HSM model to rainfall data from selected Australi

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30

NanyuWang and 王南喻. "A Study of Long-term & Short-term Persistence of Stock Mutual Funds Performance." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/67677278836165334018.

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碩士<br>國立彰化師範大學<br>商業教育學系<br>93<br>Abstract The purpose of this study was to examine the long-term & short-term persistence of stock mutual funds performance in the United States from 1985 to 2004. The data are collected from The Value Line Mutual Fund Survey database. There are five categories for stock mutual funds based on the The Value Line Mutual Fund Survey database, including Aggressive Growth, Growth, Growth/Income, Income, and Small Company. This study used time-series regression model to observe fund managers’ operating ability over last 20 years, and broke 20 years into two stages: s

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31

Huang, chang-hong, and 黃全宏. "The Research Of Earnings Persistence Of Long-term Stock Investment Income And Market Efficiency." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/85874963378238147800.

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碩士<br>國立臺灣大學<br>會計學研究所<br>89<br>Abstract Title ：The Research Of Earnings Persistence Of Long-term Stock Investment Income And Market Efficiency University：Graduate Institute Of Accounting Nation Taiwan University Adviser：Tsai，Yann-Ching，Ph.D Name：Huang，Chang-Hong Graduate Date：June，2001 The purpose of this study is to investigate whether long-term stock investment income（accounted for by equity method）has earnings persistence，and whether stock price fully reflects the implication of the information.Efficient market theory requir

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32

Chang, Chia-Lun, and 張家綸. "Family Involvement on the Long-term Performance---the Strategic Persistence and its Mediating Effects." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/74438841730090634671.

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碩士<br>國立成功大學<br>高階管理碩士在職專班<br>95<br>Family firm business in global economic activity has been playing a very important role, but few studies have been to demonstrate connections among family involvement, strategic persistence, and performance. Therefore, this study will focus on examining the following issues. How does family involvement, especially when family members as board directors, affect firm’s long-term performance? Whether the strategic persistence is positive or negative relation with long-term performance? Can the strategic persistence be considering as a mediator between family in

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33

Levac, Joshua. "Long-term stand dynamics of the boreal mixed-wood forests of west-central Manitoba." 2012. http://hdl.handle.net/1993/5234.

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To understand the temporal dynamics of a forest, long-term direct observations are required. My study examined the long-term persistence of trembling aspen (Populus tremuloides Michx) and white spruce (Picea glauca (Moench) Voss) in the boreal mixed-wood forests of Riding Mountain National Park. A set of 266, disturbance-free, permanent sample plots were established in 1947 (stand age = 120 years) and followed through time for 55 years. My results indicate that although the density and basal areas of aspen do decline over the 55-year period, a successful regeneration and establishment occurs a

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34

Fraterrigo, Jennifer M. "Influence of land-use change on the long-term persistence of forest understory herbs in the Southern Appalachian Highlands." 2005. http://catalog.hathitrust.org/api/volumes/oclc/62249287.html.

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35

Tu, Yu-Wen, and 杜玉雯. "A Study on the Long-Term Performance Persistence of Active and Passive Management Equity Funds - The Case of U.S.A." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/7fu5d7.

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碩士<br>靜宜大學<br>管理碩士在職專班<br>97<br>The purpose of this study is to research the equity mutual funds’ long-term performance and performance persistence. This study computes monthly performance of 58 mutual funds (including 32 equity funds of active management strategy, and 26 equity funds of passive management strategy) in U.S. domestic large equity funds. The researching period is from Jan. 1998 to Dec. 2007. All the information was provided by month. There are totally 120 months. Major researching results are summarized as follows: 1. Equity funds performance This study examines the perf

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36

Kruger, Tamara Lauren. "Long term prospects for the persistence of breeding Verreaux's Eagles (Aquila verreauxii) at the Walter Sisulu National Botanical Garden, Johannesburg." Thesis, 2010. http://hdl.handle.net/10539/8616.

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ABSTRACT Verreaux‟s Eagles (Aquila verreauxii) have been sighted in the Walter Sisulu National Botanical Garden since the 1940s. The natural habitat surrounding the Botanical Garden, which is utilised for hunting purposes, has undergone extensive urbanisation and subsequently the habitat required by typical prey species, such as Rock Hyrax (Procavia capensis), has decreased. As a result food supplementation during the breeding season was initiated by the Black Eagle Project Roodekrans (BEPR); a non-profit organisation dedicated to the preservation of these urban raptors. With further proposed

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37

Esteves, João Manuel Ferreira. "Evaluation of long term persistence of Diabetes Mellitus Type II treatment newly diagnosed patients in Lisbon and Tagus health administration region : a three year follow up study." Master's thesis, 2015. http://hdl.handle.net/10362/15713.

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RESUMO: Raional: A persistência à terapêutica é o tempo em qualquer antidiabético oral, desde o seu início até à descontinuação de todas as medicações ou até ao fim do período do estudo. Os objetivos deste estudo foi a análise da persistência à terapêutica no segundo e terceiro anos após início do tratamento em doentes adultos diagnosticados na região de Lisboa e Vale do Tejo e determinar o efeito de determinadas variáveis na persistência a longo prazo. Métodos: Um estudo retrospetivo não interventivo foi desenhado com base nos dados a obter do SIARS (prescrições e aquisições na farmácia) e P

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38

Wannenwetsch, Oliver. "Long-Term Location-Independent Research Data Dissemination Using Persistent Identifiers." Doctoral thesis, 2017. http://hdl.handle.net/11858/00-1735-0000-0023-3DEE-1.

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Cubr, Ladislav. "Autenticita a digitální informace." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-371329.

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The dissertation focuses on the authenticity of digitized books in the context of their life cycle (production, preservation, access). First the OIAS high-level conceptual framework for lifecycle management of digital documents maintained by organizations is introduced. Then the current situation of digitized books lifecycle management is described. This part is followed by an introducing to relevant conceptualizations of the authenticity of digital documents and these conceptualizations are analyzed and reviewed. Then framework for analysis of authenticity is established based on previous fin

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