Bibliografie tematiche / 60F15

Letteratura scientifica selezionata sul tema "60F15"

Autore: Grafiati

Pubblicato: 1 giugno 2024

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Articoli di riviste sul tema "60F15":

Rosalsky, Andrew. "On the Limiting Behavior of a Random Walk". Calcutta Statistical Association Bulletin 43, n. 1-2 (marzo 1993): 1–11. http://dx.doi.org/10.1177/0008068319930101.

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Cal, Guang‐Hui. "Complete Convergences of Rowwise NA Sequences of Random Variables". Calcutta Statistical Association Bulletin 59, n. 3-4 (settembre 2007): 139–49. http://dx.doi.org/10.1177/0008068320070302.

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Abstract: In this paper, we study the complete convergences and strong law of large numbers of rowwise NA sequences of random variables. The results obtained not only generalize the results of Hu (1998, Statist. Probab. Lett. 38, 27 – 31) and Sung (2005. Stntist. Probab. Lett. 71, 303 – 311 ) to NA sequence, but also improve them. AMS (2000) Subject Classification: 60F15.

Dasgupta, Ratan. "Almost Sure Confidence Intervals and One‐Sided Estimation in Non‐Regular Cases with Applications". Calcutta Statistical Association Bulletin 59, n. 3-4 (settembre 2007): 163–83. http://dx.doi.org/10.1177/0008068320070304.

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Abstract: An estimator T n of the unknown parameter θ ε R is said to converge to θ from above (below), if T n ≥ θ ( T n ≤ θ) for all sufficiently large sample size n and T n → θ a.s., as n → ∞. Estimation problems of this kind are considered when θ is a finite end point of the distribution function. Confidence interval for θ with highest coverage probability 1, for all sufficiently large n is obtained. Applications to real data sets including industrial data and sea tide data are made. AMS (2000) Subject Classification: Primary 60F15, Secondary 62G32.

Ahmad, Ibrahim A., e A. R. Mugdadi. "A Note on the Accuracy of Normal Approximation of Random Quantities". Calcutta Statistical Association Bulletin 73, n. 1 (maggio 2021): 62–67. http://dx.doi.org/10.1177/00080683211013510.

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For a sequence of independent, identically distributed random variable (iid rv's) [Formula: see text] and a sequence of integer-valued random variables [Formula: see text], define the random quantiles as [Formula: see text], where [Formula: see text] denote the largest integer less than or equal to [Formula: see text], and [Formula: see text] the [Formula: see text]th order statistic in a sample [Formula: see text] and [Formula: see text]. In this note, the limiting distribution and its exact order approximation are obtained for [Formula: see text]. The limiting distribution result we obtain extends the work of several including Wretman[Formula: see text]. The exact order of normal approximation generalizes the fixed sample size results of Reiss[Formula: see text]. AMS 2000 subject classification: 60F12; 60F05; 62G30.

Gurvits, Leonid I., Sándor Frey, Máté Krezinger, Oleg Titov, Tao An, Yingkang Zhang, Alexander G. Polnarev, Krisztina É. Gabányi, Krisztina Perger e Alexey Melnikov. "J2102+6015: a potential distant multimessenger?" Proceedings of the International Astronomical Union 17, S375 (dicembre 2022): 86–90. http://dx.doi.org/10.1017/s1743921323001151.

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AbstractWe present and briefly discuss results of several studies of the source J2102+6015 with tentatively defined redshift z = 4.575 which demonstrates unusual properties in imaging and astrometric VLBI observations. Its properties might be considered as indications on the supermassive black hole binary which can be considered as a so far rare example of a high-redshift source of known electromagnetic and, possibly, predictable gravitational wave emissions.

Moraes, Sheilla Davoglio de, Clóves Cabreira Jobim, Michele Simili da Silva e Fabiany Izabel Marquardt. "Produção e composição química de híbridos de sorgo e de milho para silagem". Revista Brasileira de Saúde e Produção Animal 14, n. 4 (dicembre 2013): 624–34. http://dx.doi.org/10.1590/s1519-99402013000400002.

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Objetivou-se avaliar os parâmetros produtivos e a composição química de quatro híbridos de sorgo (XBS 60015, XBS 60451, Dow F305 e AG 2005E), e de um híbrido de milho (AS32). O delineamento experimental utilizado foi em blocos completos casualizados com três repetições. Foram avaliadas as produções totais de massa verde (MV), massa seca (MS) e das frações colmo, folha, panícula, espiga (milho). Determinaram-se os teores de proteína bruta (PB), fibra em detergente neutro (FDN), fibra em detergente ácido (FDA), extrato etéreo (EE), carboidratos totais (CHOT), carboidratos não estruturais (CNE), matéria mineral (MM) e matéria orgânica (MO) da planta e das frações folha e panícula. Não houve diferença entre os híbridos para produção de MS, MV e folha. Para a composição química das plantas de sorgo e milho houve diferença entre os híbridos, sendo que para proteína bruta, o sorgo AG 2005E apresentou a maior média com 9,84%, e o milho AS32 a menor, com 7,76%. Para a composição das folhas, a PB foi menor nos híbridos XBS 60015 (9,8%) e XBS 60451 (9,87%), com maiores concentrações de FDN, 66,02 e 66,65%, respectivamente. As panículas dos sorgos tiveram as maiores médias de PB (10,06%) em relação à espiga do milho (7,78%). O CNE foi maior para as panículas de XBS 60015 com 29,61% e XBS 60451 com 27,20%. Os híbridos de sorgo apresentaram uma melhor qualidade em sua composição química, sendo recomendável sua utilização para produção de silagens de qualidade.

Bishwal, J. P. N., e Arup Bose. "Speed of Convergence of the Maximum Likelihood Estimator in the Ornstein-Uhlenbeck Process". Calcutta Statistical Association Bulletin 45, n. 3-4 (settembre 1995): 245–52. http://dx.doi.org/10.1177/0008068319950310.

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Berry-Bsseen bounds with random norming and Jario deviation probabilities arc derived for the maximum likelihood estimator of the drift parameter in tho Ornstoin-Uhlenbeck proccss. AMS (1991) Subject Classification: Primary 62F12, 62M05 Secondary 60FOS, 60F10

Zhang, Yingkang, Tao An, Sándor Frey, Xiaolong Yang, Máté Krezinger, Oleg Titov, Alexey Melnikov, Pablo de Vicente, Fengchun Shu e Ailing Wang. "J2102+6015: a young radio source at z = 4.575". Monthly Notices of the Royal Astronomical Society 507, n. 3 (11 agosto 2021): 3736–44. http://dx.doi.org/10.1093/mnras/stab2289.

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ABSTRACT Jets of high-redshift active galactic nuclei (AGNs) can be used to directly probe the activity of the black holes in the early Universe. Radio sources with jets misaligned with respect to the line of sight are expected to dominate the high-redshift AGN population. In this paper, we present the high-resolution imaging results of a z = 4.57 AGN J2102+6015 by analysing its multi-epoch dual-frequency very long baseline interferometry (VLBI) data. The 8.4-GHz VLBI images reveal two major features along the east–west direction separated by ∼10 mas. From the spectral index map, both features show flat/inverted spectra. The separation between the two features remains almost unchanged over an observation period of ∼13 yr, placing an upper limit of the separation speed as about 0.04 mas yr−1. Previous studies have classified the source as a GHz-peaked spectrum quasar. Our results indicate that J2102+6015 is most likely a young, compact symmetric object rather than a blazar-type core–jet source.

Chowdhury, Shovan, Amarjit Kundu e Surja Kanta Mishra. "Comparisons of Order Statistics from Heterogeneous Poisson and Geometric Distributions". Calcutta Statistical Association Bulletin 73, n. 2 (novembre 2021): 94–105. http://dx.doi.org/10.1177/00080683211055894.

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In this article, we compare extreme order statistics through vector majorization arising from heterogeneous Poisson and geometric random variables. These comparisons are carried out with respect to usual stochastic ordering. AMS 2010 subject classifications: 62G30, 60E15, 60K10

นันทรัตน์, พรรษวุฒิ, วันเพ็ญ เจริญตระกูลปีติ e อัจฉรา วัฒนภิญโญ. "ศักยภาพในการบรรเทาปรากฏการณ์เกาะความร้อนด้วยการแพร่กระจายความเย็นของพื้นที่สีเขียว ภายในเขตเทศบาลนครเชียงใหม่". Journal of Architectural/Planning Research and Studies (JARS) 18, n. 1 (18 gennaio 2021): 131–52. http://dx.doi.org/10.56261/jars.v18i1.241605.

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บทความนี้มีวัตถุประสงค์เพื่อศึกษาศักยภาพในการบรรเทาปรากฏการณ์เกาะความร้อน ด้วยการแพร่กระจายความเย็นของพื้นที่สีเขียว ในเขตเทศบาลนครเชียงใหม่ จำนวน 5 แห่งซึ่งมีขนาดที่แตกต่างกัน และศึกษาปัจจัยที่ส่งผลต่อการแพร่กระจายความเย็น ประกอบด้วย สัดส่วนของพื้นผิวภายในพื้นที่สีเขียว ปัจจัยทางด้านภูมิอากาศ และปัจจัยทางด้านอัตราการมองเห็นท้องฟ้า (Sky View Factor) ผลการศึกษาพบว่าปัจจัยทางด้านภูมิอากาศ และปัจจัยทางด้านสัดส่วนของพื้นผิวส่งผลต่อการแพร่กระจายความเย็นทำให้อุณหภูมิบริเวณโดยรอบลดลง โดยเฉพาะบริเวณสวนสุขภาพบ้านเด่น และสวนสุขภาพหนองบวกหาดที่มีพื้นที่โดยรอบเป็นพื้นที่สีเขียวจำนวนมาก สำหรับปัจจัยอัตราการมองเห็นท้องฟ้าพบว่ามีผลต่อการแพร่กระจายความเย็น และอุณหภูมิโดยรอบน้อย นอกจากนี้ยังพบว่าพื้นที่สีเขียวที่มีขนาดเล็กจะมีการแพร่กระจายความเย็นได้น้อยกว่าพื้นที่สีเขียวที่มีขนาดใหญ่ โดยพื้นที่สีเขียวสวนสาธารณะรถไฟเป็นสวนขนาด 60.15 ไร่ มีศักยภาพในการแพร่กระจายความเย็นที่รัศมีโดยรอบ 75 -100 เมตร ในขณะที่พื้นที่สีเขียวสวนสุขภาพหนองบวกหาดที่มีขนาด 12.42 ไร่ มีศักยภาพในการแพร่กระจายความเย็นที่รัศมีโดยรอบ 25 -75 เมตร การแพร่กระจายความเย็นทำให้เกิดเกาะความเย็น (Park Cool Island) ทั้งในบริเวณพื้นที่สีเขียวและพื้นที่โดยรอบด้วย รวมถึงปัจจัยสัดส่วนของพื้นผิวภายในพื้นที่สีเขียวมีผลต่ออุณหภูมิ โดยพื้นที่สีเขียวที่มีสัดส่วนของพื้นผิวดาดอ่อนมากกว่าพื้นผิวดาดแข็งจะมีอุณหภูมิที่ต่ำและช่วยเสริมการแพร่กระจายความเย็นโดยรอบพื้นที่สีเขียว ส่งผลให้อุณหภูมิในระดับย่านลดลง

Più fonti

Tesi sul tema "60F15":

Pötzelberger, Klaus. "The Consistency ot the Empirical Quantization Error". Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 1999. http://epub.wu.ac.at/1790/1/document.pdf.

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We study the empirical quantization error in case the number of prototypes increases with the size of the sample. We present a proof of the consistency of the empirical quantization error and of corresponding estimators of the quantization dimensions of distributions. (author's abstract)
Series: Forschungsberichte / Institut für Statistik

Conyon, Martin J. "Monopoly capitalism, profits, income distribution and unionism". Thesis, University of Warwick, 1991. http://wrap.warwick.ac.uk/60315/.

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This thesis aims to extend our understanding of the contemporary stage of monopoly capitalism by considering the issue of profits, income distribution and trade unionism. By focusing on the effect of trade unions on key economic indicators we hope to demonstrate the key importance of both trade unions and market structure in shaping the industrial economic landscape. Using national accounts and census of production data we find that there is a secular tendency for the degree of monopoly to rise although we find little evidence to suggests a similar decline in the profit rate. It also emerges that unions cannot easily influence factor shares. We go on to make the case for a fundamental reappraisal of the role of labour within the firm. We then provide an assessment of the effect of unions within oligopoly. Using firm level data we illustrate that there is a significant degree of apparent collusion within oligopoly and that this is influenced by product market structure and trade unionism. We consider the effects of both structure and unionism in shaping industry profits. We find that for the mid-1980's unions depress mark-ups whilst increasing concentration impacts positively on the margin. We further show that the effect of concentration in successively related industry adds to the seller margin and does not reflect countervailing power. We also find evidence that union coverage in downstream industries adversely affects the seller margin in 1984-85. Finally, we consider the role of trade union power in shaping factor distribution in the manufacturing sector. We find that unions cannot easily influence the distribution of income but that seller concentration significantly depresses wage share. These results are of considerable interest and attest to the importance of considering both product and labour market interaction in shaping key economic variables.

Wahra, Assma. "Measurement of III-V quantum dot composition in three dimensions using transmission electron microscopy". Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/60415/.

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Three-dimensional compositional models of individual InAs/GaAs quantum dots (QDs) have been generated using compositionally-sensitive dark field 002 cross sectional transmission electron microscope (TEM) images. Recovery of a sample's structure from transmission electron microscope image data is an inverse problem, which is solved here by the use of simplifying assumptions. The reconstruction of the 3-D concentration is made possible using image analysis and fitting of the image data with a series of Gaussian functions, under an assumption of cylindrical symmetry. A further complication in the analysis is the existence of double-valued solutions for the composition, which required further information in order to find the right solution. For high quality TEM specimens the model can determine the location and concentration of indium and gallium in different regions inside QDs and reveals differences in composition between samples, for example due to differing thermal treatments. Knowledge of the TEM specimen thickness is essential for quantitative analysis, as shown by comparison between simulated and experimental images. A new technique for measurement of specimen thickness using convergent beam electron diffraction techniques, to a small fraction of the extinction distance, is made possible using digital combination of several individual diffraction patterns. Our measurements of composition give insight into the growth process, as well as quantitative measurements which can be used for modelling of QD behaviour. The model is applied to different InxGa1-xAs QD structures, i.e. an InAs QD laser, D-WELL structure, QD infrared photodetector and double QD structure. The thesis starts with an introduction in an epitaxial growth of III-V quantum dots, some of their applications and currently available 3D characterization techniques. Chapter 2 presents a general introduction to transmission electron microscopy, sample preparation and contrast mechanisms with particular attention paid to dark field 002 imaging of III-V quantum dots. The principles used throughout the analysis, and the approach taken to implement them, are given in chapter3. It presents basic concepts, data processing algorithms and experimental imaging conditions. A data processing program, taking experimental transmission electron microscope images of QDs to produce a 3-D composition model; and an image simulation program, using dynamical diffraction theory to produce a TEM image from a 3-D composition model, were written using MatLab. Chapter 4 focuses mainly on the measurement of specimen thickness including digital large angle convergent beam electron diffraction (D-LACBED) and the 113-DF imaging technique. Experimental results are given in chapter 5. Chapter 6 is given to discussion and some conclusions and suggestions for further work given in chapter 7.

Onions, Tiffany. "Validation and use of a model system to investigate topical treatment of vulval intraepithelial neoplasia". Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/60915/.

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The aims of this study were to develop novel in vitro models of Human Papillomavirus (HPV) -associated vulval and vaginal neoplasia and to use them to investigate the mechanism(s) of action of the nucleoside analogue, Cidofovir (CDV), for which a mechanism is unknown. Single cell clones were successfully isolated from heterogeneous vulval and vaginal parental populations. The clonal cell lines were characterised morphologically and in terms of cell proliferation; a range of growth rate and morphological variants were identified. Clonal lines were also characterised with respect to HPV integration state using Amplification of Papillomavirus Oncogene Transcripts (APOT) and Detection of Integrated Papillomavirus Sequences (DIPS). Cell lines were identified that represented naturally occurring episomal and integrated HPV infections. HPV gene expression analysis was also performed using quantitative real-time reverse transcription PCR (qRT-PCR) which displayed different expression profiles for each line. Patterns of HPV gene expression appeared to correlate with gene disruptions associated with integration. Characterised clonal lines were used to investigate the effects of CDV on cell viability, morphology and HPV gene expression. CDV (10 μM) reduced cell viability in all HPV-positive clonal lines and HPV negative HEK cells; viable cell counts showed that a more considerable response was detected in vulval lines compared to vaginal lines and that response in HEK lines was similar to vulval lines. Cell enlargement was observed in response to treatment in the clonal lines but not the HEK line. CDV treatment did not cause significant reduction in expression of HPV E6 or E7. mRNA sequencing confirmed HPV integration and gene expression profiles. Differentially Expressed Gene (DEG) analysis identified a large percentage of the top 20 most significant Gene Ontology (GO) categories to be involved in nucleotide synthesis and RNA polymerase activity. Gene Ontology Over Representation Analysis (GO-ORA) showed that 4 GO categories relating to cellular senescence were found in over 300 GO categories comprising the top 500 most significant gene transcripts.

Fiorini, Valentina. "Sintesi di leganti ciclopentadienonici e piridilimidazolici per complessi metallici. Metodo classico e microonde a confronto". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6015/.

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In questo elaborato è stata messa a punto una procedura sintetica, semplice e veloce che sfrutta la tecnica microonde per la sintesi di tetraarilciclopentadienoni variamente sostituiti mediante una condensazione bis-aldolica tra 1,3 difenilacetone con dichetoni aromatici variamente sostituiti. Questa nuova tecnica consente di ottenere tetraarilciclopentadienoni con rese da basse a buone in 25 minuti a 70°C. La stessa procedura sintetica è stata valutata per ottenere leganti piridilimidazolici, usando come fonte di azoto NH4OAc. Basse rese e la formazione di svariati sottoprodotti ha diretto lo studio verso un approccio classico per la sintesi di questi sistemi. I leganti piridilimidazolici sono stati poi impiegati per la sintesi di complessi di Zn(II) luminescenti, i quali sono stati caratterizzati anche da un punto di vista fotofisico.

Jabboury, Huda Albert. "Constance Garnett, Alymer Maude, S.S. Koteliansky : Russian literature in England 1900-1930". Thesis, University of Sheffield, 1992. http://etheses.whiterose.ac.uk/6015/.

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This thesis is concerned with the lives and works of three translators who made Russian literature available for the British public. It is an attempt to account for the role these translators played in arousing interest in the classics of Russia. The translations of Constance Garnett, Aylmer Maude and S. S. Koteliansky were responsible for making Russian literature feature in the intellectual life of the British culture during the first decades of this century. The relation of my work to these initiatives is described in the Introduction. Chapter One deals with England's discovery of the Russian novel through translations and its consequences that led to the spread of the "Russian cult. " This took place during the first two decades of the twentieth century which witnessed great interest in Russian literature. The British public was introduced to the major treasures of the Russian classics, and what is more, to a handful of the new generation of Russian authors. In registering the response of the literary figures of the day on reading these translations and a survey of serious periodicals, evidence is established for the cult status of Russian writing. Chapter Two throws light on the life and work of one of the most eminent of translators, Constance Garnett. The chapter surveys the wide range of Russian authors she presented, with particular emphasis on her translation of Chekhov, and the impact of her translations in the establishment of the writer's reputation in England. Chapter Three focuses on Maude's career as a translator and accounts for his greatest achievement, the accomplishment of the Centenary Edition of Tolstoy's works. Other aspects of Maude's activities are drawn upon, particularly, the fact that he was a disciple of Tolstoy. Attention is also paid to his status as an authority on Tolstoy. Chapter Four is devoted to S. S. Koteliansky and his achievements. Koteliansky's prestigious position in the English literary life, in addition to his being a supplier of new material in the field of Russian translations are stressed. The collaboration of a handful of the literary figures in the production of his translations is looked upon as further proof to the presence of the Russian cult. The thesis concludes with an account of archive materials relevant to its field.

Salem, Mohamed Mahmoud. "Determinants of foreign direct investment in commercial real estate and hotel sectors for selected MENA countries". Thesis, Liverpool John Moores University, 2011. http://researchonline.ljmu.ac.uk/6015/.

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Developed, maturing, and emerging market countries are making considerable progress in the legal and institutional reforms necessary to allow and facilitate real estate and tourism (specifically hotel) foreign direct investment (FDI). From a political perspective, countries used to view real estate as one of the "crown jewels" of an economy (Lynn, 2007). No longer does this view hold consistently across countries as countries have recently recognised that real estate and hotel FDI is a way to encourage fixed capital investment, create jobs, and to introduce best practices from multinational corporations. The purpose of this research is to identify the main determinants of foreign direct investment (FDI) in the commercial real estate (CRE) as well as hotel sectors, in selected Middle Eastern countries. Utilising existing theories of FDI, a set of determinants (drivers and barriers) were selected to be empirically tested, utilising Dunning's (Ownership-Location- Internalisation-OLI) eclectic paradigm. As Dunning consider FDI for all industries with a special focus on the manufacturing industry, this research enlarges the scope by commercial real estate and hotels specific considerations. This research utilises the Location dimension of Dunning framework as a basis to explain the determinants of FDI in the CRE and hotel sectors. The literature on both real estate and hotel FDI relies heavily on collecting primary data through surveys; recently however, very few studies (including He & Zhu (2010); He, Wang, & Cheng (2009); Anop (2010) and Rodriguez & Bustillo (2008)) have utilised the availability of data in real estate and started constructing econometric models with the aim of testing set hypotheses. This research fills a gap in the literature by utilising secondary data to develop and test different econometric models, using data from various sources. The empirical work of this research therefore consists of two parts: the first is an econometric analysis of FDI in commercial real estate for eight Middle Eastern and North African (MENA) markets namely, Algeria, Egypt, Morocco, Qatar, Saudi Arabia, Turkey, Tunisia and the UAE during 2003-2009; the second part is an econometric analysis of FDI in hotels for the same countries for the same time period. The econometric analysis is carried out using the pooled Tobin model technique, for panel data, which uses both time-series and cross-sectional data. The findings for the econometric analysis of FDI in commercial real estate shows that country specific factors (i. e. economic health, standards of living and levels human development as well as political stability and absence of violence) as well I as real estate sector-specific variables (size of institutional real estate market), are significant variables and consistently support their hypotheses as explanations for commercial real estate related FDI for the selected MENA countries. The second part of the econometric analysis related to determinants of FDI in hotel greenfield projects, reveals that country specific factors (i. e. taxation environment, human development level and real growth of economy and political stability and absence of violence and terrorism) as well as hotel sector-specific variables (i. e. real visitor expenditure and level of investment freedom); are significant and consistently support their hypotheses as explanations for hotel FDI. These indicators are found to provide -a good explanation of location decision-making in both commercial real estate and hotel sectors.

El, Sayed Ahmed. "A broadband self-interference cancellation circuit for simultaneous full-duplex radio applications". Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/60115.

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Abstract (sommario):

The full abstract for this thesis is available in the body of the thesis, and will be available when the embargo expires.
Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate

Setiaputra, Dheva. "Investigating the molecular architecture of yeast histone acetyltransferase complexes". Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/60215.

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The full abstract for this thesis is available in the body of the thesis, and will be available when the embargo expires.
Medicine, Faculty of
Biochemistry and Molecular Biology, Department of
Graduate

Moulson, Aaron Jack Taylor. "Characterization of oligodendrocyte lineage cell responses remote to the lesion site in a murine model of thoracic contusion spinal cord injury (SCI)". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/60315.

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Traumatic injury to the adult mammalian central nervous system (CNS) commonly results in permanent functional impairment due to the inability of injured CNS neurons to mount an effective regenerative response. Injury to the spinal cord is associated with a range of sensory, motor, and autonomic deficits, the most severe of which is complete paralysis. At a histological level, injury induced pathophysiological processes have been thoroughly characterized for the tissue area immediately surrounding the lesion epicentre, however remote to the lesion these changes are less well described. Previous studies have demonstrated that various perturbations, including traumatic injury, demyelination, artificial neural stimulation, neurodegeneration, and social experience, among others, induce robust oligodendrocyte precursor cells (OPC) responses, which function as endogenous precursors for myelinating oligodendrocytes. De novo myelination in the adult CNS has been implicated in motor learning, memory, and optimization of neural network function, thought to represent a potent form of neural plasticity. The demonstration of robust OPC proliferation and oligodendrogenesis in models of dorsal rhizotomy, axotomy, and axon degeneration, combined with the robust OPC responses characteristic of SCI lesion epicentres, lead us to hypothesize that contusion SCI would induce significant responses in resident OPC populations remote to the lesion site (specifically comprised of OPC proliferation, oligodendrogenesis, and new myelination). This may be functionally relevant to myelin plasticity on spared motor and sensory tracts remote to the lesion. To test this hypothesis, we conducted an in vivo study employing transgenic mouse lines (i.e. PDGFRα-CreERT:ROSA26-YFP and PDGFRα-CreERT:ROSA26-mGFP) that enabled the visualization and fate-mapping of OPCs and their progeny in the adult murine spinal cord following a moderate (70 Kdyne) T9-T10 thoracic contusion injury. Consistent with our predictions, we observed robust OPC proliferation and oligodendrogenesis remote to the lesion in both the cervical and lumbar spinal cord. Surprisingly, this did not manifest as increased new myelination, attributed (at least in part) to an observed maturation impairment of newly-formed oligodendrocytes.
Science, Faculty of
Zoology, Department of
Graduate

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Libri sul tema "60F15":

Hong, Yong-am. Yŏksa wa minjok apʻe: 6015 kongdong sŏnŏn palpʻyo 6-tol kinyŏm sijojip. 8^a ed. Kyŏnggi-do Pʻaju-si: Hanʼguk Haksul Chŏngbo, 2006.

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Nadler, Robert B. A practitioner's guide to innocent spouse relief: Proven strategies for winning Section 6015 tax cases. Washington, DC: American Bar Association, Section of Taxation, 2014.

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Nadler, Robert B. A practitioner's guide to innocent spouse relief: Proven strategies for winning Section 6015 tax cases. Washington, DC: American Bar Association Section of Taxation, 2011.

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Sudan, Madhu, a cura di. Efficient Checking of Polynomials and Proofs and the Hardness of Appoximation Problems. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-60615-7.

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Moller, Faron, e Graham Birtwistle, a cura di. Logics for Concurrency. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6.

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Dayton, Paul D., a cura di. Evidence-Based Bunion Surgery. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-60315-5.

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Fröhlich, Robert, e Hubert Baumgartner. 40 Jahre SAMM. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60215-3.

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Vorontsov, Mikhail A., e Walter B. Miller, a cura di. Self-Organization in Optical Systems and Applications in Information Technology. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-60315-0.

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Tebbutt, Melanie. Making Youth. London: Macmillan Education UK, 2016. http://dx.doi.org/10.1057/978-1-137-60415-6.

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Andaya, BW, e LY Andaya. A History of Malaysia. London: Macmillan Education UK, 2017. http://dx.doi.org/10.1057/978-1-137-60515-3.

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Capitoli di libri sul tema "60F15":

Abramsky, Samson, Simon Gay e Rajagopal Nagarajan. "Specification Structures and propositions-as-types for concurrency". In Logics for Concurrency, 5–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6_2.

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Emerson, E. Allen. "Automated temporal reasoning about reactive systems". In Logics for Concurrency, 41–101. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6_3.

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Hirshfeld, Yoram, e Faron Moller. "Decidability results in automata and process theory". In Logics for Concurrency, 102–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6_4.

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Stirling, Colin. "Modal and temporal logics for processes". In Logics for Concurrency, 149–237. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6_5.

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Vardi, Moshe Y. "An automata-theoretic approach to linear temporal logic". In Logics for Concurrency, 238–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60915-6_6.

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Lange, Axel. "Darwins Jahrtausendidee und Batesons Gegenmodell". In Evolutionstheorie im Wandel, 1–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60915-6_1.

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Lange, Axel. "Anhang: Die Player des Neuen". In Evolutionstheorie im Wandel, 351–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60915-6_10.

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Lange, Axel. "Glossar". In Evolutionstheorie im Wandel, 367–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60915-6_11.

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Lange, Axel. "Die Modern Synthesis – das Standardmodell der Evolution". In Evolutionstheorie im Wandel, 21–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60915-6_2.

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Lange, Axel. "Evo-Devo – das Beste aus zwei Welten". In Evolutionstheorie im Wandel, 45–151. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60915-6_3.

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Atti di convegni sul tema "60F15":

"Effects of Superplasticizers in Highly Alkaline Model Suspensions Containing Silica Fume". In "SP-178: Sixth CANMET/ACI/JCI Conference: FLy Ash, Silica Fume, Slag & Natural Pozzolans in Concrete". American Concrete Institute, 1998. http://dx.doi.org/10.14359/6015.

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Sun, Yuanfeng, Jun Li, Zhuo Zhang, Min Wang, Ni Xu, Hang Lv, Woogeun Rhee, Yongming Li e Zhihua Wang. "A 2.74–5.37GHz boosted-gain type-I PLL with <15% loop filter area". In 2012 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2012. http://dx.doi.org/10.1109/rfic.2012.6242259.

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Frey, Sandor, Tao An, Krisztina É. Gabányi, Leonid Gurvits, Mate Krezinger, Alexey Melnikov, Prashanth Mohan et al. "J2102+6015: an Intriguing Radio-loud Active Galactic Nucleus in the Early Universe". In 15th European VLBI Network Mini-Symposium and Users' Meeting. Trieste, Italy: Sissa Medialab, 2023. http://dx.doi.org/10.22323/1.428.0022.

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Georgiou, I. T., e M. A. Bani-Khaled. "Identifying the Shapes of Coupled Vibrations and Deriving Reduced Order Models for Nonlinear Shafts: A Finite Element-Proper Orthogonal Decomposition Approach". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60015.

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The spatial structure of the dynamics of a rotating nonlinear shaft is identified by processing its finite element dynamics by the method of Proper Orthogonal Decompositions. The Proper Orthogonal modes furnish characteristic signatures for the rigid body and the whirling modes of a motion. The pattern of energy distribution over the components of a mode reveals the strength of coupling between rigid body rotations and coupled vibrations. These modes are used to derive a two-degree-of freedom reduced model for the whirling motion of the rotating shaft.

Akers, Douglas W., e Curtis A. Rideout. "Nondestructive Quantification of Operational Damage and Surface Treatments for Improved Turbine Engine Maintenance and Surveillance Requirements". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60115.

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Despite advances made in metallic/intermetallic alloys and surface treatments to increase performance and decrease component weight in turbine engine components, standard inspection technologies are limited in their ability to nondestructively characterize operational damage buildup and the effect of surface treatments on component performance. Key areas where nondestructive characterization is required include the ability to quantify surface and subsurface residual strain in operational components, and cold work and surface treatments that are used to improve component life. The inability of current NDI techniques to nondestructively quantify surface and bulk residual stress in turbine engine components, especially single crystal and complex geometry components, leads to overly conservative engineering designs, maintenance procedures, and operational life estimates. Photon Induced Positron Annihilation and related portable technologies have been successfully utilized to quantify surface residual stresses and structural subsurface strain in turbine engine components subjected to high stress/high temperature environments.

Chung, Haseung, Katsuo Kurabayashi e Suman Das. "Laser Micro-Machining Using Near-Field Nano-Optics". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60615.

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Solid immersion lenses (SIL) facilitate high numerical aperture (NA) and consequent sub-wavelength diffraction limited focusing in near-field optics based systems. Such systems are in commercial and research use for various applications including near-field scanning optical microscopy, ultra-high density magneto-optic data storage and near-field nanolithography. Here, we present a novel nanomanufacturing method using SIL-based near-field optics for laser-induced sub-micron patterning on silicon wafers. The near-field effect of SILs was investigated by using hemispherical BK7 lenses (n=1.5196, NA=0.9237) to superfocus an incident Q-switched, 532nm Nd:YAG laser beam transmitted through a focusing objective. This optical arrangement achieved a laser-processed feature resolution near the diffraction limit in air. Results of experiments that were conducted at various processing conditions to investigate the effects of varying incident laser power (with average pulse power less than 1W), pulse repetition rate, pulse width, number of pulses and size of SIL on processed feature size and resolution are presented.

Meji´a-Alvarez, Ricardo, John R. Agudelo, Ce´sar Nieto e Laura C. Villa. "Unsteady Forced Convection in Packed Beds: Computational and Experimental Analysis". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60715.

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In this work, a process of unsteady forced convection in a packed bed of spheres was experimentally and computationally analyzed. A device was designed and constructed in order to run the experiments in packed beds. It was used to carry out an experimental run in a packing of ten aluminum spheres, which tube-to-particle diameter ratio was 2,4. Methane-air combustion products were kept flowing into the packed bed at constant inlet conditions, 2,8 m/s and 369°C. Packed spheres were heated from 25°C to gases temperature. While heating, temperature of spheres, tube wall and gases at different positions were measured to follow unsteady process. On the other hand, computational simulation was carried out by modeling the ten-spheres packing under the same flow conditions of the experimental run. Physical properties of gases were kept constant and fluid flow profile was solved before heating process. Results of unsteady temperature variation in different positions showed good agreement with the experimental measures. This result allowed inferring that flow field calculations were a satisfactory representation of the actual flow field, since temperature field variation depends strongly upon flow field. In conclusion, it was found that the Computational Fluid Dynamics (CFD) simulation is an accurate tool to analyze unsteady forced convection in packed beds. The device designed is a flexible and powerful tool to measure unsteady forced convection in packed beds. The behavior of the gas-to-solid heat transfer coefficient is a fundamental question to solve, and CFD supported on experimental measures is the way to solve it.

Fujimoto, Hitoshi, Yu Shiotani, Albert Y. Tong e Hirohiko Takuda. "Interaction Phenomena of Two Water Droplets Successively Impacting Onto a Solid Surface". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60815.

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This study is concerned with the deformation behaviors of two droplets impinging successively onto a solid. Photographic means is used to understand the physics of the interaction phenomena between the two droplets. Water droplets of diameters between 0.39 mm and 0.65 mm with impact velocities ranging from 2.0 to 5.0 m/s are examined. The temperature of the solid surface is set at 25, 300 and 500 °C. The effects of varying solid surface temperatures, impact velocities of droplets and time intervals between the successive discharges on the collision behavior of the two impinging droplets are studied.

Agarwal, Vivek, John W. Buttles, Lawrence Beaty e Joseph Naser. "Intelligent Plant Configuration Management Using Wireless Sensors". In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60815.

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Plant configuration management is an essential element of nuclear power plant (NPP) design, construction, and operation. In the current operating model of NPPs, plant configuration management is highly dependent on large technical staffs. This dependency is because NPPs have a large number of systems and most operations are manually performed. Work processes tend to be fairly complex due to nuclear quality and documentation requirements. NPPs conduct a substantial number of ongoing surveillance activities to verify that plant components are in their required positions (open/close, on/off, etc.) for current and upcoming plant configuration. This puts nuclear energy at somewhat of a long-term economic disadvantage compared to non-nuclear energy generation sources with rising labor costs. Also, it presents human error opportunities, regulatory compliance impacts, and personnel safety hazards. Furthermore, some of these components are located in radiation control zones and result in dose to the surveillance personnel, thereby creating potential nuclear safety hazards. Technology can play a key role in NPP configuration management in offsetting labor costs by automating manually performed plant activities, such as determining the current state of equipment and process parameters. Alternatively, current NPP instrumentation and control systems are approaching their end-of-life and are facing age-related issues, which presents opportunity to upgrade the systems to reduce dependence on manual activities. This paper presents a proof-of-concept prototype intelligent plant configuration management system using available wireless component position sensors to help reduce operating costs for field-based component position verification activities as well as reduce operational challenges due to component position errors. The work focuses on position sensors for selected manual valve types. The wireless network implemented in this work is based on The Internet of Things network since it enables many different devices to communicate between each other across the same network. The proof-of-concept prototype presented in this paper would benefit the nuclear industry in several ways including reduced labor costs, reduced radiation dose, reduced nuclear and personnel safety challenges, and improved plant and regulatory performance.

Xu, Huiqiang, Qiunan Sun, Haifeng Gu, Xiaofan Hou e Zhongning Sun. "Influence of Wall Sub-Cooling on Local Heat Transfer for Forced Convection Condensation of Steam/Air in a Horizontal Tube". In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60215.

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For the purpose of analyzing the influence of wall sub-cooling on condensation heat transfer characteristic in the presence of noncondensable gases inside a horizontal tube, experiments for air-cooling and water-cooling at the secondary side outside the condenser tube have been conducted. By comparing the experimental data of different inlet air mass fraction, mixture gases velocity and coolant volume flow rate, the variation of local heat transfer coefficient with wall sub-cooling was obtained. The results show that for annular and wavy flow, the condensation heat transfer coefficient increases with increasing wall sub-cooling but decreases for stratified flow. For annular and wavy flow, the positive influence of wall sub-cooling on condensation heat transfer coefficient is enhanced by the rise of inlet noncondensable gas mass fraction, mixture gases velocity and pressure.

Rapporti di organizzazioni sul tema "60F15":

Bennett, Janine Camille, Matthew Tyler Bettencourt, Robert L. Clay, Harold C. Edwards, Micheal W. Glass, David S. Hollman, Hemanth Kolla et al. ASC ATDM Level 2 Milestone #6015: Asynchronous Many-Task Software Stack Demonstration. Office of Scientific and Technical Information (OSTI), settembre 2017. http://dx.doi.org/10.2172/1596197.

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