Дисертації з теми "Upper limits"
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Moretti, Elena. "Upper Limits on High Energy emissions from GRB." Doctoral thesis, Università degli studi di Trieste, 2010. http://hdl.handle.net/10077/3721.
Повний текст джерелаThe intense and unpredictable flashes of gamma rays in the energy band (10 keV – 1 MeV), called Gamma-Ray Bursts (GRB), were discovered in the late 60's. Since then several experiments were dedicated to detect and understand these phenomena. Up to now, we do not have yet a complete explanation for the GRB progenitors and their emission mechanism. In the first phase, the so-called prompt phase, lasting from few ms to tens of seconds, these bursts emit mainly in the band from hard-X to soft gamma. In a longer second phase, called afterglow, the GRB emission ranges from the radio frequencies to the X-ray band. The hard gamma band (>50 MeV), both in the prompt and in the afterglow phase, was poorly explored until the gamma-ray experiment EGRET flown on the Compton Gamma-ray Observatory (CGRO). Nevertheless EGRET detected only 5 GRBs in the band >200 MeV in 7 years of operation. Nowadays 2 gamma-ray experiments AGILE and Fermi/LAT are currently in operation. The number of detected burst with emitted energy >50 MeV is already more than duplicated by these two missions. The two experiments are based on the same high energy gamma-ray detection technique so these two experiments are similar: their core is made of a silicon tracker with tungsten conversion layers, surrounded by a plastic scintillator to veto cosmic-ray particles events. Below the tracker, a calorimeter provides the measure of the energy of the produced pairs. The main differences between the experiments are the larger effective area of the Fermi/LAT (~10 times larger) and its deeper calorimeter. On board of the satellites that host LAT and AGILE there are other 2 experiments respectively: the Fermi/GBM dedicated to the GRB science in the 8 keV-40 MeV band and the SuperAGILE that is a X-ray detector operational in the 18-60 keV band. Fermi/GBM, SuperAGILE and the Mini Calorimeter in the AGILE mission can independently trigger on a burst event respectively in the energy band (8 keV – 40 MeV), (18-60 keV) and (0.3-100 MeV). Their FoV is quite different however, ranging from 2 sr for SuperAGILE to almost 4 sr for MiniCalorimeter and 6 sr for FermiGBM. If the burst, triggered by these instruments or by other missions, is in the field of view of one of the two gamma-ray detectors a high energy signal is searched. In the AGILE pipeline the GRB signal is searched in the burst prompt time interval. During this time interval both background and signal are supposed to follow a Poisson distribution and the signal to be non-negative. The background average rate is computed before the burst trigger, in the same signal extraction region (15deg from the GRB position), with the same analysis cuts and in a time interval at least 10 times longer than the signal duration. Instead in the Fermi/LAT pipeline a map of the test statistic variable is computed. The test statistic distribution indicates how much the data differ from the background model used. In this thesis the non-detection cases are considered: a methodology for the computation of the upper limit on the signal is proposed. This method is based on the Bayesian statistics and was elaborated from Helene in 1984 (Helene, O. 1984, Nuclear Instruments and Methods 228, 120), it considers a Poisson fluctuation of the known background mean and of the estimated signal in the region of interest. The applications of this upper limit computing method to the AGILE and the Fermi/LAT data are also showed deriving upper limit on GRB flux. The AGILE energy coverage is smaller but starts from lower energy with respect the actual Fermi/LAT energy band. In the AGILE energy range above 30 MeV and till 2 GeV, the estimated GRB flux upper limits range between 1x10-3 and 1x10-2 ph s-1cm-2. Instead the Fermi/LAT flux upper limit is roughly 5x10-5 ph s-1cm-2 in the energy range from 100 MeV to 100 GeV. The studies of the upper limits help to understand the GRB emission mechanisms: most of these bursts are not detected in the highest energy band even if the extrapolation of their spectra from the low energy band predicts a detectable flux from those two instruments. On the other case there are some GRBs with low energy spectra predicting a non detectable H.E. flux but with high energy photons clearly detected. These photons indicate the existence of a new component above 100 MeV in the GRB photon spectrum extending up to the GeV region. This thesis gives a new contribution on the computation of the upper limits on the GRB flux in both the gamma-ray experiments operating nowadays. The thesis will concentrate in particular on the study of the upper limits in the interesting cases, when a high energy signal is predicted but not detected, giving some interesting hints on the GRB source physics.
1982
Livas, Jeffrey C. (Jeffrey Clark). "Upper limits for gravitational radiation from some astrophysical sources." Thesis, Massachusetts Institute of Technology, 1987. https://hdl.handle.net/1721.1/123082.
Повний текст джерелаTitle as it appeared in Massachusetts Institute of Technology Graduate List: Upper limits on gravitational radiation from some astrophysical sources.
Bibliography: leaves 155-159.
by Jeffrey Clark Livas.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1987.
Ceccotti, Emilio. "Upper limits on the 21 cm power spectrum from the epoch of reionization." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20004/.
Повний текст джерелаSellerholm, Alexander. "Cosmological dark matter and the isotropic gamma-ray background measurements and upper limits /." Doctoral thesis, Stockholm : Department of Physics, Stockholm University, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-38900.
Повний текст джерелаMacdonald, Erin Patricia. "From upper limits to detection : continuous gravitational waves in the advanced detector era." Thesis, University of Glasgow, 2012. http://theses.gla.ac.uk/3608/.
Повний текст джерелаSylvestre, Julien 1976. "Upper limits for galactic transient sources of gravitational radiation from LIGO first observations." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29933.
Повний текст джерелаIncludes bibliographical references (leaves 147-151).
A complete, scalable prototype analysis system for the observation of gravitational wave bursts with a network of interferometric detectors is designed and tested. This system detects localized transients in the gravitational wave data streams from two independent detectors using a time-frequency algorithm, applies veto conditions on these transients based on auxiliary channels, and looks for significant coincidences between the surviving transients from the two detectors. The analysis system was optimized for setting rate upper limits on three populations of astronomical sources, using preliminary data from the LIGO Project (the E7 Engineering Run data). The three classes of sources were core collapses, bar-mode instabilities in neutron stars, and equal-mass black hole binary coalescences, and a 95% confidence rate upper limit of 2 per hour was set, for sources uniformly distributed within a distance of 6 pc, 950 pc, and 3.2 kpc from the Earth, respectively. A detailed discussion of the character of the noise in the data used to derive these limits shows that a network of interferometers including the instruments of the GEO, LIGO and VIRGO Projects should attain a 50% detection efficiency for these sources out to distances of 40 kpc, 1 Mpc and 40 Mpc, respectively, for a false alarm rate giving expected upper limits of 6, 0.6, and 2. 10-4 per year per galaxy, respectively, for a full year of observation.
by Julien Sylvestre.
Ph.D.
Burton, Ross E. "Upper Limits on the Ultra-High Energy Cosmic Ray Flux from Unresolved Sources." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1323452264.
Повний текст джерелаJoshi, Kanchan A. "Upper thermal limits differ among component species in a host-parasitoid-hyperparasitoid system." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4454.
Повний текст джерелаFlodin, Mikael. "Determining upper limits on galactic ETI civilizations transmitting continuous beacon signals in the radio spectrum." Thesis, KTH, Fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-266824.
Повний текст джерелаCsigi, Kálmán K. XIV. "UPPER THERMAL LIMITS VARY AMONG AND WITHIN NATIVE BEE SPECIES IN RELATION TO SEASON, VOLTINISM, AND NEST TYPE." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5864.
Повний текст джерелаDrost, Helen E. "Upper thermal limits and acclimation potential of Arctic cod (Boreogadus saida) : a key food web species in the Arctic Ocean." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61104.
Повний текст джерелаScience, Faculty of
Zoology, Department of
Graduate
Campos, Fernando Marques de. "Os direitos sociais e sua função no capitalismo." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/2/2138/tde-15062011-151142/.
Повний текст джерелаThe aim of this work is to study the social rights beyond the issue of the State decreasing after Welfare State´s crisis. The work analyses the upper limits and the potentialities of the social rights inside the capitalism structure, studying their origins, consolidations and refractions. Using the economical, political and juridical view point, this work studies the social rights during the XX and XXI century and tends to conclude that social rights are nowadays the biggest issue in our society based on capital`s hegemony. In this way the Brazilian case is a good sample of this dispute which could be introduced a distinctive element the consequences from the underdevelopment and secondary role in capitalism´s world.
Volkin, David B. (David Bernard). "The upper limit of protein thermostability." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/67104.
Повний текст джерелаYan, Donglin. "Estimation of an upper tolerance limit for small-samples containing observations below the limit of quantitation." Kansas State University, 2014. http://hdl.handle.net/2097/18198.
Повний текст джерелаDepartment of Statistics
Christopher I. Vahl
Chemicals and drugs applied to animals used in meat production often have the potential to cause adverse effects on human consumers. To ensure safety, a withdrawal period, i.e. the minimum time allowed between application of the drug and entry of the animal into the food supply, must be determined for each drug used on food-producing animals. The withdrawal period is based on an upper tolerance limit at a given time point. It is not uncommon that the concentration of the drug in some tissue samples to be measured at a level below the limit of quantitation (LOQ). Because the measurement of the tissue concentration cannot be confidently determined with enough precision, these types of observations are often treated as if they were left censored where the censoring value is equal to the limit of quantitation. Several methods are commonly used in practice to deal with this situation. The simplest methods are either to exclude observations below the limit of quantitation or to replace those values with zero, LOQ or ½ LOQ. Previous studies have shown that these methods result in biased in estimation of the population mean and population variance. Alternatively, one could incorporate censoring into the likelihood and compute the maximum likelihood estimate (MLE) for the population mean and variance assuming a normal or lognormal distribution. These estimates are also biased but it has been shown that they are asymptotically unbiased. However, it is not clear yet how these various methods affect estimation of the upper tolerance limit, especially when the sample size is small, e.g. less than 35. In this report, we will examine the effects of substituting the LOQ or ½ LOQ for censored values as well as using the MLEs of the mean and variance in the construction of an upper tolerance limit for a normal population through simulation. Additionally, we propose a modified substitution method where observations below the LOQ are replaced by functions of the order statistics of non-censored observations under an assumption of symmetry. Its performance relative to the above methods will also be evaluated in the simulation study. In the end, the results from this study will be applied to an environmental study.
Gholami, Ghadikolaei Iraj. "Data analysis of continuous gravitational waves." Phd thesis, Universität Potsdam, 2007. http://opus.kobv.de/ubp/volltexte/2008/1880/.
Повний текст джерелаDiese Dissertation besteht aus zwei Projekten: Im ersten Projekt wird die Optimierung einer hierarchischen Strategie zum Auffinden von 'unbekannten' Pulsaren beschrieben. Der erste Teil besteht dabei aus einer semi-kohärenten und der zweite Teil aus einer kohärenten Optimierungsstrategie, wie sie in Projekten wie Einstein@Home verwendet werden kann. In beiden Ansätzen erwies sich eine 3-Stufensuche als optimale Suchstrategie für 'unbekannte' Pulsare. Für das zweite Projekt entwickelten wir eine Software für eine kohärente Multi-IFO (Interferometer Observatory) Suche. Zum Validieren der Software verwendeten wir sowohl simulierte Daten als auch Hardware induzierte Signale von Pulsaren aus dem vierten 'LIGO Science run' (S4). Wir erwarten nicht, mit der aktuellen Empfindlichkeit unserer Detektoren echte GW- Signale aufzunehmen, können jedoch obere Grenzen für die Stärke der Gravitationswellen-Signale bestimmen. Diese oberen Grenzen geben uns an, wie schwach ein gerade noch detektierbares Signal werden kann. Ferner benutzten wir die Software um eine obere Grenze für bekannte, isolierte Pulsare zu bestimmen, wobei wir Daten aus dem fünften 'LIGO Science run (S5) verwendeten.
Degwitz, Fernando G. (Fernando Guillermo) 1980. "Numerical upper and lower bound limit analysis for braced excavations." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30131.
Повний текст джерелаIncludes bibliographical references (leaves62-63).
This thesis reviews limit theorems and their applications for stability problems in geotechnical engineering. Rigorous numerical solutions of limit analyses can be obtained through finite element discretization of the soil mass and formulation of the limit theorems within a linear programming framework. The current research uses a formulation proposed by Sloan et al. (1988) and extended in a recent Ph.D. thesis by Ukritchon (1998) to include soil-structure interactions. The thesis details the input and output required for numerical limit analysis and presents an example application for the stability of a broad excavation for the MUNI Metro Turnback project in San Francisco. This well documented case study involves a 13 M deep excavation within a deep deposit of May Mud that was supported by an SPTC wall with three levels of cross-lot bracing. The numerical limit analyses calculate factors of safety, FS = 1.03 - 1.36, against basal instability. The factor of safety used in the original design (FS = 1.2) is contained in this range. The results illustrate that numerical limit analysis offers a practical alternative to limit equilibrium methods in evaluating the stability of braced excavations.
by Fernando G. Degwitz.
M.Eng.
Kim, Byoung Min. "Upper bound analysis for drag anchors in soft clay." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4887.
Повний текст джерелаAlizadeh, Ramin. "A new upper limit on the electron anti-neutrino rest-mass." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236237.
Повний текст джерелаYuan, Xiaoping. "Extensional collapses in the overpressured frictional upper crust based on limit analysis." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEE009/document.
Повний текст джерелаThis manuscript develops a 2D kinematic approach of Limit Analysis to examine the extensionalfailures in the brittle, upper crust resulting from fluid overpressures and normal faulting. There aremany interesting topics related to the extensional deformation such as (1) the roles of fluid pressure,topographic process, material and fault properties on the stability of extensional structures; (2) theformation of low-angle and listric normal fault; (3) the deformation pattern due to slip on a low-anglefault; and (4) the influence of fault softening and sedimentation processes on this deformation pattern.This mechanical approach applied to wedge prototypes is validated by the critical Coulomb wedge(CCW) theory, and it generalizes the CCW theory to investigate the complex topography on theMejillones peninsula, Northern Chile. Additionally, this approach is also applied to investigate gravityinstability of Niger Delta by linking down-slope compressional to up-slope extensional failures througha deep detachment. We predict much higher fluid overpressures than that of the CCW theory. Finally,this Limit Analysis methodology is applied to investigate the shape of normal fault linking a lowdetachment to the surface. The application to Niger Delta implies that the formation of very low-angleand strongly listric faults results from a shallow fluid-retention depth. The sequential version of LimitAnalysis opens new ways to envision the structural evolution through time resulting from normalfaulting. The simulations show that the normal fault rotates during extension, forming a region of Footto-Hanging Wall (FHW) where the material in the footwall is sheared upon entering the hanging wall.The creation of the FHW region is illustrated by sandbox experiments and field examples
Lee, Stan S. "Disparity contingent high spatial frequency constraints on the upper velocity limit of stereopsis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ60961.pdf.
Повний текст джерелаEngelhardt, Toni, Robert Jedicke, Peter Vereš, Alan Fitzsimmons, Larry Denneau, Ed Beshore, and Bonnie Meinke. "An Observational Upper Limit on the Interstellar Number Density of Asteroids and Comets." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/623256.
Повний текст джерелаMauro, Filho Sebastião. "Limites para uma gravitação com possíveis efeitos quânticos." Universidade Federal de Juiz de Fora (UFJF), 2012. https://repositorio.ufjf.br/jspui/handle/ufjf/4888.
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Recentemente foi demonstrado [17] que correções quânticas para o potencial gravitacional de Newton explica as curvas de rotação em galáxias espirais sem introduzir o halo de matéria escura. O único parâmetro fenomenológico aѵ da teoria cresce com a massa da galáxia. A fim de melhor investigar a dependência de aѵ com a massa é preciso verificar o limite superior para aѵ em uma escala menor. Aqui nós realizamos o cálculo correspondente por meio da análise da dinâmica do vetor de Laplace-Runge-Lenz e da condição de equilíbrio de anãs-brancas. A limitação resultante sobre correções quânticas sugerem uma dependência de aѵ com a massa.
Recently it was shown that quantum corrections to the Newton potential can explain the rotation curves in spiral galaxies without introducing the Dark Matter halo. The unique phenomenological parameter aѵ of the theory grows with the mass of the galaxy. In order to better investigate the mass-dependence of aѵ one needs to check the upper bound for aѵ at a smaller scale. Here we perform the corresponding calculation by analyzing the dynamics of the Laplace-Runge-Lenz vector and the equilibrium condition of white-dwarf. The resulting limitation on quantum corrections is suggesting a mass-dependence of aѵ.
Jones, Tucker Anthony. "An upper limit on the abundance of small trans-Neptunian objects from X-ray occultations." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40918.
Повний текст джерелаIncludes bibliographical references (p. 77-81).
I describe the detection of 201 highly significant dips in the count rate of Sco X-1 from a search of some 500 ks of archival RXTE PCA data, which could be caused by TNO occultations. I show that most of these dips are correlated with particle showers in the PCA, suggesting that the dips in count rate result from large amounts of charge built up in the detectors. From the distribution of particle counts in the PCA and examination of asymmetry in individual dip profiles, I establish that at most ~ 6 of these dip events can be caused by occultations. This gives an upper limit on the cumulative TNO size distribution for > 20 m radius. I also derive a model lightcurve for occultations of Sco X-1 from diffraction theory, and use this model to predict properties of an ensemble of occultation events. Implications for future work are discussed.
by Tucker Anthony Jones.
S.B.
Hudakova, Sabina. "Chromosome analysis in barley DNA composition and organization of centromeres and the upper chromosome size limit /." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969487436.
Повний текст джерелаThompson, Emma Louise. "An investigation into the cerebral autoregulatory upper limit : normal control mechanisms and changes associated with ageing." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8435/.
Повний текст джерелаKallberg, Johanna. "Limit comparison-shopping? : The effect of new establishments of independent upper-secondary schools on public school costs." Thesis, Umeå universitet, Nationalekonomi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-123213.
Повний текст джерелаPhạm, Phú Tinh [Verfasser]. "Upper bound limit and shakedown analysis of elastic-plastic bounded linearly kinematic hardening structures / Phu Tinh Pham." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018189491/34.
Повний текст джерелаCiria, Suárez Héctor 1979. "Computation of upper and lower bounds in limit analysis using second-order cone programming and mesh adaptivity." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/16655.
Повний текст джерелаIncludes bibliographical references (p. 109-111).
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Limit analysis is relevant in many practical engineering areas such as the design of mechanical structures or the analysis of soil mechanics. Assuming a rigid, perfectly-plastic solid subject to a static load distribution, the problem of limit analysis consists of finding the minimum multiple of this load distribution that will cause the body to collapse. This collapse multiplier results from solving an infinite dimensional saddle point problem, where the internal work rate is maximized over an admissible set of stresses -defined by a yield condition- and minimized over the linear space of kinematically admissible velocities for which the external work rate equals the unity. When strong duality is applied to this saddle point problem, the well-known convex (and equivalent) static and kinematic principles of limit analysis arise. In this thesis, an efficient procedure to compute strict upper and lower bounds for the exact collapse multiplier is presented, with a formulation that explicitly considers the exact convex yield condition. The approach consists of two main steps. First, the continuous problem, under the form of the static principle, is discretized twice (one per bound) by means of different combinations of finite element spaces for the stresses and velocities. For each discretization, the interpolation spaces are chosen so that the attainment of an upper or a lower bound is guaranteed. The second step consists of solving the resulting discrete nonlinear optimization problems. Towards this end, they are reformulated into the canonical form of Second-order Cone Programs, which allows for the use of primal-dual interior point methods that optimally exploit the convexity and duality properties of the limit analysis
(cont.) model and guarantee global convergence to the optimal solutions. To exploit the fact that collapse mechanisms are typically highly localized, a novel method for adaptive meshing is introduced based on local bound gap measures and not on heuristic estimates. The method decomposes the total bound gap as the sum of positive elemental contributions from each element in the mesh, and refines only those elements which are responsible for the majority of the numerical error. Finally, stand-alone computational certificates that allow the bounds to be verified independently, without recourse to the original computer program, are also provided. This removes the uncertainty about the reliability of the results, which frequently undermines the utility of computational simulations. The efficiency of the methodology proposed is illustrated with several applications in plane stress and plane strain, demonstrating that it can be used in complex, realistic problems as a supplement to other models.
by Héctor Ciria Suárez.
S.M.
MILANI, Enrico. "A F.E. UPPER BOUND LIMIT ANALYSIS MODEL FOR MASONRY CURVED AND 3D STRUCTURES, WITH AND WITHOUT FRPREINFORCEMENT." Doctoral thesis, Università degli studi di Ferrara, 2010. http://hdl.handle.net/11392/2389163.
Повний текст джерелаGreening, Jane Barbara. "Changed vibration threshold and loss of nerve movement in patients with repetitive strain injury : the peripheral neuropathology of RSI." Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343565.
Повний текст джерелаШищук, Володимир Дмитрович, Владимир Дмитриевич Шищук, Volodymyr Dmytrovych Shyshchuk, Борис Іванович Щербак, Борис Иванович Щербак, Borys Ivanovych Shcherbak, І. Б. Щербак та В. В. Моісеенко. "Фізична реабілітація при ураженнях м`яких тканин і суглобів верхніх кінцівок". Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/5514.
Повний текст джерелаCordero, Raymundo. "Limit state analysis : adaptive finite element upper and lower bound approach to the evaluation of the limit load of a Von Mises rigid-plastic material body in plane stress." Thesis, Swansea University, 2005. https://cronfa.swan.ac.uk/Record/cronfa42326.
Повний текст джерелаNelms, Nicholas. "A new determination of the charged pion mass and muon neutrino mass upper limit from exotic atom X-ray spectroscopy." Thesis, University of Leicester, 2002. http://hdl.handle.net/2381/30661.
Повний текст джерелаO'Leary, Brendon R. "In search of the electron's electric dipole moment in thorium monoxide| An improved upper limit, systematic error models, and apparatus upgrades." Thesis, Yale University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10633259.
Повний текст джерелаSearches for violations of discrete symmetries can be sensitive probes of physics beyond the Standard Model. Many models, such as supersymmetric theories, introduce new particles at higher masses that include new CP-violating phases which are thought to be of order unity. Such phases could generate measurable permanant electric dipole moments (EDMs) of particles. The ACME collaboration has measured the electron's EDM to be consistent with zero with an order of magnitude improvement in precision compared to the previous best precision (J. Baron et al., ACME collaboration, Science 343 (2014), 269-272) with a spin precession measurement performed in the H state of a beam of thorium monoxide (ThO). This limit constrains time-reversal violating physics for particles with masses well into the TeV scale. In this thesis I discuss the details of this measurement with an emphasis on the data analysis, search for systematic errors, and systematic error models that contributed to this result. I also discuss implemented and planned upgrades to the experimental apparatus intended to both improve the statistical sensitivity and reduce its susceptibility to systematic errors. At this time, the upgraded apparatus has been demonstrated to have a statistical sensitivity to the electron EDM that is more than a factor of 10x more precise than our previous measurement.
Szeghi, Shelley A. "Spatial Distribution and Assemblage Composition Patterns of Sherd-and-Lithic Artifact Scatters in the Upper Basin, Northern Arizona." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1342730836.
Повний текст джерелаSousa, Gilmar da Cunha. "Estudo eletromiografico da ação simultanea de musculos flexores e extensores do antebraço pronado e supinado, em diferentes cargas e angulos." [s.n.], 1998. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290924.
Повний текст джерелаTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste trabalho foi estudar eletromiograficamente a ação simultânea dos músculos bíceps do braço (cabeças curta e longa), braquial, braquiorradial e tríceps do braço (cabeças lateral, longa e medial), no aparelho de musculação "Polia-Dupla", em movimentos isotônicos de tlexão e extensão do antebraço, nas posições pronada e supinada, em diferentes cargas e ângulos. Foram estudados dez voluntários adultos jovens do sexo masculino, destros, de 16 a 20 anos, altura entre 1,70 e 1,80m, não treinados, sem história de doenças neuromusculares ou articulares. Os registros foram obtidos, utilizando-se um eletromiógrafo de oito canais. Os sinais eletromiográficos foram captados por mini-eletrodos de superfície - Tipo Beckrnan. A análise dos sinais foi efetuada através de software específico, o SISDIN que forneceu os dados numéricos, em RMS (Raiz Quadrada da Média), expressos em microvolts ('mu'V). Foi utilizado um eletrogoniômetro para indicar com precisão os ângulos pré-estabelecidos. Os dados obtidos foram submetidos à análise estatística não-paramétrica, empregandose as provas de Wilcoxon e a de Friedman. Os resultados revelaram que todos os músculos estudados apresentam atividade eletromiográfica, nos movimentos isotônicos de flexão e extensão do antebraço, independente do movimento realizado, posição do antebraço, carga ou ângulo. No movimento livre, os músculos flexores apresentam maior atividade a 90° e os extensores a 60° na posição supinada e, a 30° na pronada. Com carga de 04 Kg e 10 Kg, os músculos flexores desenvolvem maior atividade a 60° na posição pronada, e a 90° na supinada, enquanto os extensores a 30° para as duas posições. Nos movimentos de extensão livre, os músculos flexores apresentam atividade maior do que os próprios extensores, independente da posição do antebraço. Na flexão supinada livre e com cargas de 04 Kg e 10 Kg, a maior atividade é apresentada pela cabeça longa do bíceps. Na flexão pronada livre, a maior atividade é apresentada pela cabeça longa do bíceps. Com cargas de 04 Kg e 10 Kg os maiores potenciais são desenvolvidos pelo braquiorradial. Na extensão supinada livre, a cabeça longa do bíceps desenvolve a maior atividade. Nas cargas de 04 Kg e 10 Kg, esta atividade é observada na cabeça medial do tríceps. Na extensão pronada livre, o braquial apresenta a maior atividade, enquanto que as cargas de 4 Kg e 10 Kg, influenciam a cabeça medial do tríceps a se contrair com maior intensidade. Na flexão supinada, a cabeça longa do bíceps apresenta a maior atividade em quase todas as situações. Na flexão pronada livre, a cabeça curta do bíceps desenvolve a maior atividade a 30°, o braquial a 90°, enquanto a 60° o braquial e a cabeça longa do bíceps mostram a mesma atividade. Entretanto com carga o braquiorradial produz a maior atividade. Na extensão supinada livre, a cabeça curta do bíceps desenvolve a maior atividade a 30°, a cabeça longa a 60° e 90° e, com carga, a cabeça medial do tríceps. Na extensão pronada livre, a atividade mais intensa ocorre no braquial a 90°, no braquiorradial a 60° e na cabeça medial do tríceps a 30°. Com carga, a atividade mais intensa é na cabeça medial do tríceps. Nos movimentos com carga, os músculos agonistas do movimento são sempre mais ativos do que os antagonistas nas duas posições do antebraço estudadas. Quanto maior a carga, maior é a atividade elétrica, tanto nos flexores quanto nos extensores do antebraço, independente do ângulo e posição. Os valores relativos à posição supinada, foram na maioria dos casos mais intensos do que os obtidos na posição pronada
Abstract: The purpose of this work was to study by Electromyography the simultaneous action of the biceps brachii (long and short heads), brachialis, brachiorradialis and triceps brachii (lateral, 10ng and medial heads) muscles through a apparatus of muscular activity called ''DoublePulley" in flexion and extension isotonic movements of the forearm, in supination and pronation, with different loads and angles. Ten adult male young volunteers, aged 16 to 20 years, heighted 1,70m to 1,80m, dextrous, untrained and with no history of neuromuscular or joint diseases were studied. The registers were obtained by using a electromyography equipment with eight channels. The electromyographic signals were captured by surface minielectrodes (Beckman type). The signals were analyzed by a specific software, the SISDIN, which supplied the numerical data in RMS (Root Mean Square), expressed in microvolts ('mu'V). An electrogoniometer was used to indica te the accuracy of the angles previously established. The data obtained were subjected to a non-parametric statistic analysis, using the Wilcoxon and Friedman tests. The results revealed that all the studied muscles presented electromyographic activity in the flexion and extension isotonic movements of the forearm regardless of the performed movement, position of the forearm, load or angle. In the free movement, the flexor muscles presented greater activity at the 90° angle and the extensors at 60° in supination, and at 30° in pronation. With the 4 and 10 kg loads, the flexor muscles presented greater activity at 60° in pronation and at 90° in supination, while the extensors at 30° in both positions. In the free extension movements, the flexor muscles presented greater activity than the extensors themselves, regardless of the forearm position. In the free supinated flexion and with the 4 kg and 10 kg loads, the greatest activity was presented by the biceps long head. In the free pronated flexion, the greatest activity was presented by the biceps long head. With the 4 kg and 10 kg loads, the highest potentials were developed by the brachiorradialis muscle. In the free supinated extension, the biceps long head developed the greatest activity. With the 4 kg and 10 kg loads, this activity was observed in the triceps medial head. In the free pronated extension, the brachialis presented the greatest activity, while the 4 kg and 10 kg loads influence the triceps medial head to contract itself with higher intensity. In the supinated flexion, the biceps long head presented the greatest activity in almost all the situations. In the free pronated flexion, the biceps short head developed the greatest activity at 30°, the brachialis at 90°, while at 60° the brachialis and the biceps long head show the same activity. However, with 1000, the brachiorradialis produces the greatest activity. In the free supinated extension, the biceps short head developed the greatest activity at 30°, the biceps long head at 60° and 90°, and with load, the triceps medial head. In the free pronated extension, the highest activity occurred in the brachialis at 90°, in the brachiorradialis at 60° and in the triceps medial head at 30°. With load, the highest activity was observed in the triceps medial head. In the movements with 1000, the agonist muscles of the movement are always more active than the antagonist muscles in both the studied positions of the forearm. The greater the load, the greater the electric activity, as in the flexors as in the extensors of the forearm, regardless of the angle and position. The values related to supinated position were, in most of the cases, higher than those obtained in the pronated position
Doutorado
Biologia e Patologia Buco-Dental
Doutor em Odontologia
Carmo, Aline Araujo do. "Analise cinematica da movimentação dos membros superiores e inferiores, tronco e cabeça durante a marcha de hemipareticos." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/274756.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação Fisica
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Resumo: O objetivo deste trabalho foi analisar integradamente a cinemática da movimentação dos membros superiores e inferiores, a partir cinemática angular, das variáveis espaço-temporais, do centro de massa total do corpo e das contribuições parciais dos segmentos para a trajetória do centro de massa total do corpo. A fim de identificar e analisar as alterações dos padrões de marcha desenvolvidos pelos sujeitos hemiparéticos acometidos por Acidente Vascular Encefálico. Para isso, foram analisados 14 sujeitos hemiparéticos acometidos por Acidente Vascular Encefálico, do sexo masculino, faixa etária entre 40 e 60 anos, com mínimo de 3 anos pós-lesão e, que não utilizassem dispositivos auxiliares. Para representar a marcha normal, foram selecionados 7 sujeitos do sexo masculino, faixa etária entre 40 e 60 anos, sem alterações na marcha. Os dados foram obtidos por videogrametria através do sistema DVideo. O modelo de orientação dos segmentos corporais utilizado consistiu de 71 marcadores de superfície, considerando 15 segmentos corporais articulados. O tratamento dos dados foi feito em ambiente Matlab. A análise estatística foi baseada nas seguintes comparações: 1) entre os lados direito e esquerdo dos sujeitos do grupo controle e do lado afetado e não afetado do grupo hemiparético; 2) Comparação entre os grupos controle e hemiparético; 3) Comparação das variáveis angulares contínuas das articulações afetadas e não afetadas do grupo hemiparético e as variáveis do grupo controle 4) Comparação da trajetória do centro de massa total e das porcentagens de contribuição parcial dos segmentos corporais entre os sujeitos do grupo controle e hemiparético (P<0.05). Os resultados mostraram que a movimentação do membro superior afetado é significativamente alterada, apresentando redução da amplitude de movimento de flexão/extensão das articulações glenoumeral e cotovelo, associada a um padrão de acentuada flexão do cotovelo e tendência a rotação durante todo o ciclo. Foram detectadas também, alterações significativas nos três planos de movimento dos membros inferiores e variáveis espaço-temporais que corroboram com os achados da literatura. A análise integrada mostrou que as alterações do padrão de marcha de sujeitos hemiparéticos podem estar relacionadas com os distúrbios na movimentação do membro superior afetado, podendo este ser mais um fator agravante para a mecânica da marcha de hemiparéticos. A análise da trajetória do centro de massa total do corpo mostrou que nas direções lateral e vertical as curvas dos sujeitos hemiparéticos foram aproximadamente sinusoidais, com dois picos de diferentes amplitudes, associados a um menor deslocamento ântero-posterior do centro de massa total durante a marcha de hemiparéticos. As porcentagens de contribuição dos segmentos corporais para a trajetória centro de massa total do corpo mostraram que o tronco contribuiu mais para o deslocamento lateral do centro de massa e, na vertical os segmentos perna e pé do lado afetado contribuiram mais para o menor deslocamento vertical do centro de massa. As alterações na direção da progressão são oriundas da combinação dos distúrbios observados na outras duas direções.
Abstract: The aim of this study was to analyze integrally the movement of upper and lower limbs, trunk and head using the following kinematics variables: joint angles, spatiotemporal variables, trajectory of total body center of mass and partial contributions of the segments for the trajectory of total body center of mass. In order to identify and analyze the gait pattern alterations developed by hemiparetic subjects affected by stroke, were analyzed 14 hemiparetics subjects, males, aged between 40 and 60 years old, who presented at least 3 years post-injury, and no walking aids used. To represent the normal gait were selected 7 able-bodies subjects, males, aged between 40 and 60 years old, without gait deviations. The data was obtained by videogrammetry through the DVideo system. The body segments orientation model used on this study consisted in 71 surface markers, whereas 15 articulated body segments. The data processing was done by Matlab software. The statistical analysis was based on the following comparisons: 1) right and left sides of the control group subjects and between the affected and unaffected sides of the hemiparetic group; 2)Comparisons between hemiparetic group and control group; 3) Continuous angle variables comparisons between the affected hemiparetic side versus control group and unaffected hemiparetic side versus control group; 4) Comparisons of the trajectory of total body center of mass and the percent of partial contributions of body segments between control group versus hemiparetic group (P<0.05). The results showed that the affected upper limb movement was significantly altered, with reduced flexion/extension range of motion in the glenohumeral and elbow joints, and it was associated with the elbow joint flexion and rotation tendency throughout the gait cycle. Were also detected significant changes on the three lower limbs movement planes and spatiotemporal variables that agree with the literature findings. The integrated analysis showed changes in stroke gait pattern could be related to the affected upper limb movement disturbances. This is another aggravating factor on the stroke gait pattern. The analysis of the trajectory of total body center of mass showed that the lateral and vertical directions curves of hemiparetic subjects were approximately sinusoidal, with two peaks of different amplitudes, associated with a lower anterior-posterior displacement of the total body center of mass during gait of hemiparetic. The percentual contribution of body segments for the trajectory of total body center of mass showed that the trunk contributed more to the lateral center of mass, and in vertical direction the leg and foot on the affected side contributed more to lower vertical displacement of center of mass. In the lateral direction the lower limbs compensed the upper limbs reduction.Changes in the direction of progression come from the combination of the disturbances observed in the other two directions.
Mestrado
Biodinamica do Movimento Humano
Mestre em Educação Física
Яхно, Ю. Э., та А. В. Хабаль. "Особенности плечевой артерии и ее ветвей". Thesis, Сумский государственный университет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/54240.
Повний текст джерелаJordan, Victoria Spooner Maghsoodloo Saeed. "The optimum upper screening limit and optimum mean fill level to maximize expected net profit in the canning problem for finite continuous distributions." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Spring/doctoral/JORDAN_VICTORIA_18.pdf.
Повний текст джерелаMilstead, David Anthony. "The production of neutral kaons and lambdas in deep inelastic scattering at H1 and an upper limit on the production cross-section of instantons." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309902.
Повний текст джерелаAraujo, Alethea Gomes Nardini. "Proposição e avaliação de um modelo de representação dos membros superiores e escapula durante a marcha humana." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/274777.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação Fisica
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Resumo: A marcha humana é um movimento complexo que integra todos os segmentos corporais. Ela é objeto de pesquisa em laboratórios de todo o mundo e nestes o principal protocolo adotado, protocolo Helen Hays, analisa apenas o movimento dos membros inferiores e pelve e, através da interpretação dos resultados, muitos procedimentos invasivos e/ou conservadores podem ser prescritos. O objetivo geral deste trabalho é propor, avaliar e aplicar modelos de representação biomecânica dos membros superiores e escápula visando a análise de marcha. Um segundo objetivo é integrar os modelos propostos ao protocolo experimental para análise de marcha descrito por ANDRADE (2002). O corpo humano foi modelado como um sistema de quinze corpos rígidos articulados, cada um representando um segmento corporal. A cada segmento foi associado um sistema de coordenadas e a posição e a orientação relativas entre dois segmentos foram descritas, respectivamente, pela translação entre suas origens e pela rotação entre as bases a eles associadas. Os modelos de representação do braço e escápula adotados neste trabalho seguem a recomendação da Sociedade Internacional de Biomecânica. Foram avaliados três voluntários do sexo feminino, sem histórico de patologias ou comprometimento da marcha e dois voluntários do sexo masculino portadores de Paralisia Cerebral Diplégica. Os resultados foram avaliados a partir de testes de acurácia em relação à reconstrução da trajetória de dois marcadores durante a marcha e a acurácia encontrada foi de 2,4mm em um volume calibrado de 4,5m3, o que garantiu a confiabilidade dos resultados. Considerando um ciclo de marcha do membro inferior esquerdo observou-se, nos voluntários normais, que durante a fase de apoio, o ombro direito apresentou aumento da adução, extensão e rotação interna. Durante a fase de balanço, os ângulos mencionados diminuíram. O ombro esquerdo apresentou comportamento simétrico relacionado ao ciclo de marcha. Em relação ao cotovelo, os ângulos de abdução-adução e rotação internaexterna permaneceram constantes em ambos os lados. Um sinal claro de flexão pode ser observado durante todo o ciclo. A análise proposta foi capaz de identificar e caracterizar os padrões de marcha dos voluntários normais. Em relação aos voluntários patológicos, um paciente apresentou um padrão de marcha em crouch e ele revelou um comportamento aproximadamente simétrico considerando os membros superiores do lado direito e esquerdo. O outro paciente apresentou rotação interna aumentada no quadril e pé esquerdo associado a uma rotação do tronco para o lado direito. O cotovelo e o ombro do lado direito apresentaram pequena mobilidade provavelmente para compensar a rotação do tronco para este lado. Os resultados obtidos a partir do protocolo proposto para os sujeitos normais e patológicos foram compatíveis com os dados da literatura em relação aos ângulos articulares dos membros inferiores e da pelve. Os resultados da movimentação dos membros superiores, escápula, tronco e cabeça dos voluntários com e sem alterações da marcha também mostraram coerência com a movimentação esperada pela análise visual e com os dados disponíveis na literatura.
Abstract: The human gait is a complex movement that integrates all body's segments. It is studied in various gait laboratories where the main protocol adopted is the Helen Hays protocol, which considers only the lower limbs and the pelvis movement. With the results obtained from this protocol, respective procedures are prescribed. The aim of this paper is to propose, evaluate and apply models of biomechanical representation of the upper limbs and the scapula, focusing on the gait analysis. The second aim is to integrate the proposed models to an experimental protocol for the gait analysis described by ANDRADE (2002). The human body was modeled as a system of fifteen articulated rigid bodies, each one representing a corporal segment. Each segment was associated to a coordinated system, and the relative position and orientation between two segments were described, by the translation between its origins and the rotation between the bases associated to them. The representation models of the arm and scapula adopted in this paper follow the recommendation of the International Society of Biomechanics. Three female volunteers without gait pathologies and two spastic diplegic cerebral palsy male patients were analyzed. The results were evaluated from the tests of accuracy in relation to the reconstruction of the trajectory of two markers during the gait. The accuracy found was of 2,4mm in a calibrated volume of 4,5m³, thus guarantees the reliability of the results. Considering a left lower limb gait cycle during the stance phase, the right shoulder presented increasing adduction, extension and internal rotation, while during the swing phase these angles decreased. The left shoulder presented a symmetrical behavior related to the gait cycle. Regarding the elbow, the abductionadduction and internal-external rotation angles remain approximately constant in both sides. A clear signal of flexion can be observed during the cycle. The proposed analysis was able to identify and characterize the normal gait patterns of the normal studied subjects. Regarding the pathological subjects, one patient presented a crouch pattern gait and an approximately symmetrical gait by considering the right and left upper limbs. The other patient presented increased internal rotation on the left hip and in the left foot associated to a right rotation of the trunk. The right shoulder and elbow joints have small mobility, probably to compensate the increased rotation of the trunk to this side. The results obtained from proposed protocol for normal and pathological subjects were compatible with literature results concerning lower limbs and pelvis angles. The upper limbs, scapula, trunk and head results from volunteers without and with gait pathologies were coherent with their articulated motion in relation to visual analysis and to another published studies.
Universidade Estadual de Campi
Biodinamica do Movimento Humano
Mestre em Educação Física
Шищук, Володимир Дмитрович, Владимир Дмитриевич Шищук, Volodymyr Dmytrovych Shyshchuk, Олена Олексіївна Ткаченко, Елена Алексеевна Ткаченко та Olena Oleksiivna Tkachenko. "Використання позавогнищевого остеосинтезу в лікуванні надвиросткових переломів плечової кістки". Thesis, Вид-во СумДУ, 2005. http://essuir.sumdu.edu.ua/handle/123456789/7384.
Повний текст джерелаFerreira, Leandro. "Efeitos no envelhecimento, do nível de atividade física e do treinamento com exercícios resistidos sobre a força muscular máxima diferenciada entre membros superiores e inferiores em mulheres /." Rio Claro : [s.n.], 2005. http://hdl.handle.net/11449/87393.
Повний текст джерелаAbstract: The present study examines the effects of physical activity level and strength training on maximal muscle strength in women during the aging process. Seventy two (72) women were assigned into two groups: Young group (YG) and older group (OG), with the following characteristics (n=38 and 34; age = 23.08 l 2.8 and 60.67 l 7.16 years; stature = 163.0 l 6.0 and 159.0 l 5.0 cm; body weight = 57.75 l 7.51 and 70.72 l 12.48 kg; body fat = 24.55 l 5.06 and 43.02 l 4.6 %), respectively. All mensurements were significantly different (p<0,01) between groups. The groups answered the Adapted Daily Activities Report (RDA), designed to discriminate the level physical activity and subjective perpecption of effort intensity for upper limbs (RAD1); lower limbs (RAD2); no prevalence (RAD3); and rest (RAD4). In order to analyse the training effects, the OG attended a twelve - week resistance exercise training protocol. Maximal strengths of the elbow and knee extensors and flexors were assessed (pre and post) by means of the 1-RM test. The following results were found: a) level physical activity expressed in time units (TU) for the YG and OG, respectively: RAD1 (79.24 l 24.08 and 135.33 l 14.57); RAD 2 (30.55 l 18.57 and 10.00 l 6.19 ); RAD3 (11.61 l 11.97 and 3.15 l 3.60); RAD 4 (166.61 l 22.27 e 139.45 l 16.35). The means difference reached statistical significance (p<0,01) between groups; b) subjective perception of effort intensity: the YG perceived higher levels of effort intensity for RAD1, RAD2 e RAD3 (p>0.01); c) effects of training on maximal strength: The OG improved 15.82 % and 18.06 % for elbow extensors and flexors; and 36.69% and 34.13 % for knee extensors and flexors (p<0.01). The improvements on flexion and extension were not different for the same limb (p >0.05)... (Complete abstract, click electronic address below)
Orientador: Sebastião Gobbi
Coorientador: José Luiz Riani Costa
Banca: Eduardo Kokubun
Banca: Vilmar Baldissera
Mestre
Бабаєва, А. Р. "Іннервація лімфатичних вузлів вільної верхньої кінцівки плодів, новонароджених та дітей раннього віку". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/53330.
Повний текст джерелаDorjkhaidav, Orlokh Stone Sheldon. "Upper limit for electron-positron decaying to neutral Lambda(baryon)-antineutral Lamba(baryon) cross section and R in the center-of-mass energy range from 11.230 to 11.382 GeV." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2004. http://wwwlib.umi.com/cr/syr/main.
Повний текст джерелаAudhkhasi, Pranav. "Upper Crustal and Lithosphere-Asthenosphere Boundary Seismic Structure of 0-75 Ma old Normal Oceanic Lithosphere in the Equatorial Atlantic Ocean." Thesis, Université de Paris (2019-....), 2020. http://www.theses.fr/2020UNIP7056.
Повний текст джерелаPrevious studies on upper oceanic crust have been limited to young lithosphere and wide-angle seismic data, which lacks resolution in the upper crust. The oceanic lithosphere-asthenosphere boundary (LAB) has been studied extensively by seismological studies, but also suffers from low vertical resolution. The TransAtlantic ILAB experiment collected multi-channel seismic reflection data over oceanic lithosphere aged 0-75 Ma formed at the slow-spreading Mid-Atlantic Ridge in the Equatorial Atlantic Ocean. Analysis of upper crust by means of seismic imaging and high-resolution tomography indicates the top of the crust (Layer 2A) is never sealed from 0-75 Ma and hydrothermal systems continue in older oceanic crust. Most of the evolution happens within the first 4 Myr, beyond which intensity of hydrothermal circulation reduces and sediment cover increases. Layer 2A/2B boundary is a lava/dyke contact at the ridge-axis and a hydrothermal alteration front away from the ridge-axis. Co-located heatflow data from the LITHOS experiment supports the possibility of large hydrothermal cells in older oceanic crust. The LAB is imaged throughout on lithosphere aged 2-75 Ma. From 2-47 Ma, there is evidence of a LAB channel decoupling the lithospheric mantle from the asthenospheric mantle with the lithosphere being 25 km thick at 2 Myr and 72 km thick at 47 Myr. However from 49-75 Myr, a single LAB reflection is imaged implying possible disruption of the base of the channel due to adjacent Cameroon Volcanic Line. Strong evidence of mantle thermal anomaly comes from the LAB being shallower and an uplifted lithosphere
Field, Matthew. "The petrology and geochemistry of the upper critical zone of the Bushveld complex at the Amandelbult section of Rustenberg Platinum Mines Limited, Northwestern Transvaal, South Africa." Thesis, Rhodes University, 1987. http://hdl.handle.net/10962/d1007499.
Повний текст джерелаKMBT_363
Adobe Acrobat 9.54 Paper Capture Plug-in
Vávra, Marek. "Design hydromasážní vany pro horní končetiny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401505.
Повний текст джерелаWagner, Milan Nicolas [Verfasser]. "Studies towards the data acquisition of the PANDA experiment & measurement of a new upper limit of the production cross section of proton anti-proton to hc / Milan Nicolas Wagner." Gießen : Universitätsbibliothek, 2016. http://d-nb.info/1105341410/34.
Повний текст джерелаVidotti, Heloisa Giangrossi Machado. "Análise comparativa da variabilidade da frequência cardíaca durante o exercício resistido multiarticular de membros superiores e inferiores de portadores de doença arterial coronariana." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/82/82131/tde-14052012-112253/.
Повний текст джерелаCoronary artery disease (CAD) can alter the balance of the sympatho-vagal autonomic nervous system (ANS) and increase the risk of fatal arrhythmias and sudden death. Exercise can reverse this condition, but few studies analyze the hemodynamic adjustment to dynamic resistance exercise, especially in patients with CAD. In addition, upper exercise may induce different responses compared with the lower limbs, but studies comparing the two conditions of resistance exercise are scarce. The objective of the study was to assess the cardiovascular responses in resistance of the upper and compare them with the lower limb resistance exercise in healthy elderly and in patients with CAD. We selected 20 males, 10 healthy elderly and 10 elderly patients with CHD, non-alcohol drinkers, non-smokers, and without respiratory, neurological and metabolic diseases. Were performed: 1RM test in the bench press inclined and leg-press 45 °, and an incremental dynamic resistance test different percentages of 1RM, with initial load of 10% of 1RM and increments of 10% of 1RM, and from 30 % increments was 5% of 1RM. On the bench press inclined, there was significant decrease in RMSSD index from 30% of 1RM (CG: 20 ± 2 ms to 11 ± 3 ms; GDAC: 19 ± 9 ms to 3 ± 1 ms) in both groups, similarly SD1 index (CG: 14 ± 2 to 8 ± 1 ms; GDAC: 14 ± 2 ms to 7 ± 1 ms). The RMSM index remained no differences between the loads in the control group (CG) (28 ± 3 ms to 45 ± 9 ms), but increased significantly in the CAD group (GDAC) (22 ± 2 ms to 79 ± 33 ms). The HR increased significantly from 30% of 1RM in both groups (CG: 69 ± 3 bpm to 93 ± 6 bpm; GDAC: 59 ± 3 bpm to 75 ± 4 bpm). In the leg-press 45º, the RMSSD index decreased from 30% of 1RM in both groups (CG: 29 ± 5 ms to 12 ± 2 ms; GDAC: 28 ± 4 ms to 18 ± 3 ms). The SD1 index decreased in GC from 30% of 1RM (23 ± 4 ms to 7 ± 1 ms) and GDAC from 20% of 1RM (16 ± 3 ms to 11 ± 1 ms). The RMSM index decreased from 30% of 1RM in the GC (34 ± 5 ms to 14 ± 3 ms) and increased from 35% of 1RM in the GDAC (28 ± 4 ms to 43 ± 5 ms). The HR increased from 30% of 1RM in the GC (65 ± 3 bpm to 92 ± 4 bpm) and from 35% of 1RM in the GDAC (61 ± 1 to 76 ± 3). Comparing the variables between the equipment, there were lower values for SD1 from GDAC in 35% of 1RM on the bench press. Also observed higher values in the index RMSM in GDAC from 30% of the 1RM bench press inclined. It can be inferred that decreased parasympathetic and increased in sympathetic modulation from 30% of 1RM in both equipments, and the bench press inclined produced marked attenuation in parasympathetic modulation with an increased in sympathetic modulation.