Letteratura scientifica selezionata sul tema "Conversión modal"

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Articoli di riviste sul tema "Conversión modal"

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Marcovecchio, Ana María. "Por ahí / ni ahí, desde la localización a la modalidad". Hearer-Orientation in Spoken Genres 12, n. 1 (23 giugno 2015): 102–19. http://dx.doi.org/10.1075/sic.12.1.06mar.

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En el español coloquial de la Argentina se emplean las locuciones por ahí y ni ahí como índices de modalidad. Sin embargo, apenas existen registros lexicográficos de por ahí como marca de probabilidad y atenuación enunciativa (=a lo mejor) y de ni ahí como refuerzo de la negación (=absolutamente no). Entonces, dentro de un enfoque cognitivo-funcional, intentaré explicar no solo el pasaje de estos giros desde el dominio locativo hasta el de la modalidad, sino también caracterizarlos como índices de modalidad e integrarlos entre los adverbios y formas equivalentes que se deslizan desde el ámbito predicativo hacia una función periférica que repercute sobre el modus oracional. Esta conversión del dominio locativo al modal supone un proceso de subjetivización, lo que se asocia a una serie de cambios formales por los cuales se redirige el significado referencial literal de las locuciones hacia el ámbito de la enunciación.
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García Guzman, José Miguel, Jacinto Torres Jiménez, Francisco Javier Ortega Herrera e Alfonso Lozano Luna. "Análisis de formulaciones aproximadas de impedancia interna para el estudio de transitorios de alta frecuencia en cables subterráneos de alta tensión". Ingeniería Solidaria 9, n. 16 (10 aprile 2014): 9–23. http://dx.doi.org/10.16925/in.v9i16.524.

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En este artículo se presenta un análisis de las formulaciones aproximadas de impedancia interna para el estudio de transitorios de alta frecuencia en cables subterráneos de alta tensión. El análisis se desarrolla en el dominio de la frecuencia y la conversión al dominio del tiempo se realiza utilizando la transformada rápida de Fourier. El cable se modela como una línea de transmisión multiconductora, utilizando análisis modal y la teoría de redes de dos puertos. Las formulaciones aproximadas de impedancia interna que se analizan son las propuestas por Gary y Wedepohl-Wilcox, las cuales son utilizadas en el modelado de líneas de transmisión aérea y subterránea, respectivamente. Para efectuar el análisis se realiza una comparación de las formulaciones aproximadas con el modelo exacto de impedancia interna y se determina el error relativo de cada formulación para los valores reales como para los valores imaginarios. Los resultados muestran que la formulación aproximada propuesta por Gary para el modelado de líneas de transmisión aéreas se puede utilizar en cables subterráneos para analizar fenómenos transitorios electromagnéticos de alta frecuencia con resultados aceptables. Para realizar el estudio comparativo de las formulas aproximadas de impedancia interna se propone una serie de casos de estudios en los cuales se determina la magnitud del voltaje transitorio, el tiempo de viaje y la atenuación de la onda en líneas monofásicas subterráneas utilizando diferentes longitudes.
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Hu, Haimin, Yican Wu, Mingliang Chen, Shanliang Zheng, Qin Zeng, Aiping Ding, Ying Li e FDS Team. "ICONE15-10526 AUTOMATIC CONVERSION OF CAD MODEL INTO NEUTRONICS MODEL". Proceedings of the International Conference on Nuclear Engineering (ICONE) 2007.15 (2007): _ICONE1510. http://dx.doi.org/10.1299/jsmeicone.2007.15._icone1510_281.

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Walsh, J. Bruce. "Sequence-Dependent Gene Conversion: Can Duplicated Genes Diverge Fast Enough to Escape Conversion?" Genetics 117, n. 3 (1 novembre 1987): 543–57. http://dx.doi.org/10.1093/genetics/117.3.543.

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ABSTRACT Conversion between duplicated genes limits their independent evolution. Models in which conversion frequencies decrease as genes diverge are examined to determine conditions underwhich genes can "escape" further conversion and hence escape from a gene family. A review of results from various recombination systems suggests two classes of sequence-dependence models: (1) the "k-hit" model in which conversion is completely inactivated by a few (k) mutational events, such as the insertion of a mobile element, and (2) more general models where conversion frequency gradually declines as genes diverge through the accumulation of point mutants. Exact analysis of the k-hit model is given and an approximate analysis of a more general sequence-dependent model is developed and verified by computer simulation. If ´ is the per nucleotide mutation rate, then neutral duplicated genes diverging through point mutants are likely to escape conversion provided 2µ/λ >> 0.1, where λ is the conversion rate between identical genes. If 2µ/λ << 0.1, the expected number of conversions before escape increases exponentially so that, for biological purposes, the genes never escape conversion. For single mutational events sufficient to block further conversions, occurring at rate ν per copy per generation, many conversions are expected if 2ν/λ << 1, while the genes essentially evolve independently if 2ν/λ >> 1. Implications of these results for both models of concerted evolution and the evolution of new gene functions via gene duplication are discussed.
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Böckler, Dittmar, Thomas Probst, Heinz Weber e Dieter Raithel. "Surgical Conversion after Endovascular Grafting for Abdominal Aortic Aneurysms". Journal of Endovascular Therapy 9, n. 1 (febbraio 2002): 111–18. http://dx.doi.org/10.1177/152660280200900118.

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Purpose: To analyze the indications, results, and technical problems associated with conversion after endoluminal repair of abdominal aortic aneurysms (AAA) based on a 6-year experience in endovascular grafting. Methods: From August 1994 to May 2000, 520 patients with AAA were deemed candidates for endovascular therapy based on data from contrast-enhanced computed tomography and aortography. Any conversions were performed using an open operation modified according to the indication for conversion, elapsed time from the endoluminal repair, and type of endograft (tube, bifurcated, infra-/suprarenal fixation). Results: Conversion to open repair was required in 37 (7.1%) cases: 23 tube grafts and 14 bifurcated devices. Seventeen (3.2%) conversions occurred at the original operation and 20 (3.8%) were performed secondarily. Indications for primary conversion were mainly device defects (n = 5) or access problems (n = 5), while secondary conversion was primarily owing to type I endoleak (n = 16). The conversion rate was significantly higher in modular devices (5.9%) than unibody designs (1.4%) (p = 0.003). The rate of primary conversions diminished from 10.9% in 1994–1995 to 2.4% between 1996 and 2000, as did the overall mortality rate, from 8.3% in the first time period to 0% in the second for elective conversions, but emergency operations had 40% mortality. Conclusions: Most AAAs require bifurcated devices for complete exclusion, and older model modular grafts have higher conversion rates. Primary conversion decreases as more experience in endoluminal grafting is acquired. Emergency open repair results in a high mortality rate.
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Düring, I., W. Bächlin, M. Ketzel, A. Baum, U. Friedrich e S. Wurzler. "A new simplified NO/NO2 conversion model under consideration of direct NO2-emissions". Meteorologische Zeitschrift 20, n. 1 (1 febbraio 2011): 67–73. http://dx.doi.org/10.1127/0941-2948/2011/0491.

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Medvedevskikh, Yuriy, Galyna Khovanets’ e Iryna Yevchuk. "Kinetic model of photoinitiated copolymerization of monofunctional monomers till high conversions". Chemistry & Chemical Technology 3, n. 1 (15 marzo 2009): 1–6. http://dx.doi.org/10.23939/chcht03.01.001.

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Regularities of kinetics of photoinitiated copolymerization till high conversions in the systems of monofunctional methacrylate comonomers (hydroxyethyl methacrylate (HEMA), glycidyl methacrylate (GMA)) have been investigated by laser interferometry in a wide range of experimental factors (molar ratio of comonomers, photoinitiator concentration, intensity of UV-irradiation). Kinetic model of photoinitiated copolymerization of methacrylates till high conversions has been proposed on the basis of microheterogeneity conception of the polymerization process.
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Santoyo, Gustavo, Jaime M. Martínez-Salazar, César Rodríguez e David Romero. "Gene Conversion Tracts Associated with Crossovers in Rhizobium etli". Journal of Bacteriology 187, n. 12 (15 giugno 2005): 4116–26. http://dx.doi.org/10.1128/jb.187.12.4116-4126.2005.

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ABSTRACT Gene conversion has been defined as the nonreciprocal transfer of information between homologous sequences. Despite its broad interest for genome evolution, the occurrence of this mechanism in bacteria has been difficult to ascertain due to the possible occurrence of multiple crossover events that would mimic gene conversion. In this work, we employ a novel system, based on cointegrate formation, to isolate gene conversion events associated with crossovers in the nitrogen-fixing bacterium Rhizobium etli. In this system, selection is applied only for cointegrate formation, with gene conversions being detected as unselected events. This minimizes the likelihood of multiple crossovers. To track the extent and architecture of gene conversions, evenly spaced nucleotide changes were made in one of the nitrogenase structural genes (nifH), introducing unique sites for different restriction endonucleases. Our results show that (i) crossover events were almost invariably accompanied by a gene conversion event occurring nearby; (ii) gene conversion events ranged in size from 150 bp to 800 bp; (iii) gene conversion events displayed a strong bias, favoring the preservation of incoming sequences; (iv) even small amounts of sequence divergence had a strong effect on recombination frequency; and (v) the MutS mismatch repair system plays an important role in determining the length of gene conversion segments. A detailed analysis of the architecture of the conversion events suggests that multiple crossovers are an unlikely alternative for their generation. Our results are better explained as the product of true gene conversions occurring under the double-strand break repair model for recombination.
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Byrne, Patrick H. "Moral Conversion". Lonergan Review 7, n. 1 (2016): 10–48. http://dx.doi.org/10.5840/lonerganreview2016712.

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Kneifl, M., J. Kadavý e R. Knott. "Gross value yield potential of coppice, high forest and model conversion of high forest to coppice on best sites". Journal of Forest Science 57, No. 12 (27 dicembre 2011): 536–46. http://dx.doi.org/10.17221/32/2011-jfs.

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 Based on yield tables for oak high forest and oak coppice (both first site class) and using assortment tables and assortment prices in the Czech Republic in 2009, a set of variants of conversion of high forest to coppice was simulated. Average annual cut and average gross value of annual cut of such conversions were compared with those of well-established (in terms of the age structure balance) variants of coppice and high forest. Under the existing ratio of assortment prices, established coppice does not reach the gross value yield of high forest. No variant of simulated conversions was more financially profitable than the initial high forest. Furthermore, we found out that a +16.8% increase of the current fuel wood price would counterbalance the mean annual increment of gross value of the best coppice and the worst oak high forest variant. On the other hand, a +164.7% fuel wood price increase would be necessary to counterbalance the mean annual increment of gross value of the worst coppice and the best high forest variants.  
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Tesi sul tema "Conversión modal"

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Rodríguez, Cepeda Juan Pablo. "Modelatge multimodal de transicions i asimetries en línies three-line-microstrip". Doctoral thesis, Universitat Ramon Llull, 2010. http://hdl.handle.net/10803/9142.

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Una línia de transmissió three-line-microstrip consisteix en tres pistes paral·leles practicades sobre la cara d'un dielèctric amb un pla de massa inferior. La propagació en aquesta línia es pot descriure en termes de tres modes fonamentals anomenats ee, oo i oe. Tot i que aquests modes són ortogonals interaccionen entre sí a qualsevol transició, discontinuïtat o asimetria. En el pla d'una transició o asimetria es genera un intercanvi d'energia o conversió modal en el que prenen part tots els modes.
En aquest treball s'analitza la conversió modal que s'origina en un conjunt de transicions i asimetries construïdes sobre línies three-line-microstrip. L'estudi es realitza aplicant la tècnica de l'anàlisi multimodal. L'ús d'aquesta tècnica permet la deducció d'una sèrie de models multimodals (un per a cada transició) que proporcionen una anàlisi simple, rigorosa i quantitativa d'aquest fenomen.
La validesa d'aquest estudi es verifica de manera experimental. Els bons resultats obtinguts demostren que els models multimodals proposats prediuen de manera precisa el comportament de les transicions. Aquest fet permet el seu ús per analitzar circuits o estructures constituïts per trams de tres pistes acoblades. En el cas d'aquesta tesi, han estat aplicats als camps de l'EMC i de les microones. Pel que fa a l'EMC, s'ha realitzat un estudi de l'acoblament i la integritat del senyal en configuracions de PCB amb trams de tres pistes acoblades. Aquest estudi ha permès identificar les transicions i asimetries en aquests circuits com a possibles fonts d'interferència i de degradació dels senyals ja que la conversió modal es pot interpretar com a un procés d'interferència que involucra tots els senyals presents. Pel que fa a les microones, s'ha realitzat una anàlisi multimodal de filtres spurline. Aquesta anàlisi ha permès desenvolupar dues noves estructures, la principal característica de les quals és la seva compacitat que, a diferència d'altres estructures similars, s'aconsegueix permetent la presència d'un nou mode en el procés de ressonància. L'ús dels models multimodals per a l'anàlisi d'aquestes estructures ha permès una interpretació clara i senzilla del seu funcionament així com el desenvolupament d'una sèrie de regles de disseny que permeten un ajust fàcil i ràpid de certs paràmetres dels filtres com ara la freqüència central i l'ample de banda.
Una línea de transmisión three-line-microstrip consiste en tres pistas paralelas practicadas sobre la cara de un dieléctrico con un plano de masa inferior. La propagación en esta línea se puede describir en términos de tres modos fundamentales llamados ee, oo i oe. Aunque estos modos son ortogonales interaccionan entre se en cualquier transición, discontinuidad o asimetría. En el plano de una transición o asimetría se genera un intercambio de energía o conversión modal en el que toman parte todos los modos.
En este trabajo se analiza la conversión modal que se origina en un conjunto de transiciones i asimetrías construidas sobre líneas three-line-microstrip. El estudio se realiza aplicando la técnica del análisis multimodal. El uso de esta técnica permite la deducción de una serie de modelos multimodales (un per a cada transición) que proporcionan un análisis simple, riguroso i cuantitativo de este fenómeno.
La validez de este estudio se verifica de manera experimental. Los buenos resultados obtenidos demuestran que los modelos multimodales propuestos predicen de manera precisa el comportamiento de las transiciones. Este hecho permite su uso para analizar circuitos o estructuras constituidos por tramos de tres pistas acopladas. En esta tesis doctoral, han sido aplicados a los campos de la EMC i de las microondas. En el primero de ellos, se ha realizado un estudio del acoplamiento y la integridad de la señal en configuraciones de PCB con tramos de tres pistas acopladas. Este estudio ha permitido identificar las transiciones y asimetrías en estos circuitos como posibles fuentes de interferencia y de degradación de las señales ya que la conversión modal se puede interpretar como a un proceso de interferencia que involucra todas las señales presentes. En el campo de las microondas, se ha realizado un análisis multimodal de filtros spurline. Este análisis ha permitido desarrollar dos nuevas estructuras, cuya principal característica es su compacidad que, a diferencia de otras estructuras similares, se consigue permitiendo la presencia de un nuevo modo en el proceso de resonancia. El uso de los modelos multimodales para el análisis de estas estructuras ha permitido una interpretación clara i sencilla del su funcionamiento así como el desarrollo de una serie de reglas de diseño que permiten un ajuste fácil i rápido de ciertos parámetros de los filtros como por ejemplo la frecuencia central y el ancho de banda.
A three-line-microstrip transmission line consists of three parallel coupled strips printed on a grounded dielectric substrate. The propagation in this line can be described in terms of three fundamental modes, namely the ee, oo and oe modes. These modes are orthogonal and propagate independently unless a transition or asymmetry is present in the line. Any transition or asymmetry will generate an energy exchange or modal interaction among all the propagating modes.
In this work, the modal interaction of a set of transitions and asymmetries in three-line-microstrip transmission lines is analyzed. The study is carried out by using the multimodal analysis. By means of this technique a set of multimodal circuit models (one for each transition) is derived. These models provide a simple and a quantitative interpretation of the modal interaction.
The proposed multimodal analysis is experimentally validated. The obtained results show that the derived multimodal models accurately predict the behavior of the transitions. Due to this fact, they can be used for the analysis of circuits and structures composed of three-coupled-strip sections. In this work, the models have been applied to both the EMC and microwave fields. In the former, they have been employed to study the cross-talk and signal-integrity problems in PCB configurations involving tree-coupled-trace sections. The performed analysis has shown that transitions and asymmetries in these circuits must be considered as a source of interference and signal degradation since the modal interaction can be interpreted as an interference process that involves all the present signals. In the latter, a multimodal analysis of spurline filters has been performed. This study has allowed the derivation of two new filter structures whose main feature is their compactness, which, in contrast to other analogous filters, is achieved by allowing the presence of an additional mode in the resonance process. The use of the multimodal models for the analysis of these structures has permitted both a simple interpretation of the filter operation and the derivation of a set of design rules which allows a rapid fine tuning of some filter parameters such as the center frequency and the bandwidth.
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Belhadj, Taher Aymen. "Etude théorique et expérimentale de composants innovants à fibres optiques multiples". Thesis, Limoges, 2016. http://www.theses.fr/2016LIMO0036/document.

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Les travaux de recherche présentés dans ce manuscrit ont pour but de concevoir, simuler, fabriquer et caractériser un convertisseur modal à base de canne microstructurée air-silice (CMAS). Cette fonction représente un élément clé pour les multiplexeurs modaux et les compensateurs de dispersion chromatique. Le composant proposé est basé sur une CMAS effilée dite « taper » qui constitue une transition entre les deux fibres différentes. La conversion se fait à travers l’excitation d’un mode particulier dans une fibre multimode à partir d’une fibre standard. Dans les structures à diamètre évolutif, la compréhension des différentes théories régissant le couplage entre les différents modes est nécessaire. Une étude approfondie est réalisée pour analyser le phénomène de couplage et étudier le critère d’adiabaticité. Ce composant est élaboré autour d’une technologie de fabrication existante à XLIM qui se base sur la technique fusion-étirage. Enfin, nous validons numériquement et expérimentalement ce principe. Nous réussissons à exciter le mode fondamental et d’autres modes d’ordre supérieur dans une fibre multimode
These research works presented in this manuscript aim at designing, simulate, manufacture and characterizing the modal converter based microstructured air-silica cane. This function represents a key element for modal multiplexers and chromatic dispersion compensators. The proposed component is based on a tapered microstructured air-silica cane « taper » which constitutes a transition between the two different fibers. The conversion is done through the excitation of a particular mode in a multimode or few mode fibers from a standard fiber. In the tapered structures, the understanding of the different theories involving the coupling between the different modes was yet necessary. A thorough study is carried to analyze the phenomenon of coupling and study the adiabatic criterion. This component is developed around an existing manufacturing technology at XLIM which based in the technique « stack and draw». Finally, we validate numerically and experimentally that principle. We succeed to excite the fundamental mode and higher order modes in a multimode fiber
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Dougherty, Owen Robert. "The twelve steps of Alcoholics Anonymous as a model for moral conversion in American culture". Theological Research Exchange Network (TREN), 1996. http://www.tren.com.

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O'Heron, Patrick James 1966, e Patrick James 1966 O'Heron. "A multibody model simulating tilt-wing conversion". Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/291353.

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A multibody model is presented which simulates the conversion process associated with tilt-wing aircraft. A multibody dynamics approach is used to derive the equations of motion for a tilting articulated rotor with flap-pitch-lag root geometry. An enhanced model is used for the near-wake aerodynamics and uniform dynamic-inflow is used for the far-wake aerodynamics. A thrust control system computes the required trim settings. It is found that the controller can "fly" the model to a hover condition at a desired altitude, and can be used to achieve desired thrust levels during conversion. It is noted that conventional blade twist is inadequate during conversion. It is observed that unsteady aerodynamics are important during conversion. Also nonlinear effects on the tilt-wing cause large variations in tilt-torque during conversion.
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Clabby, Darragh. "Wave energy conversion at prototype and model scales". Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.673795.

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The performance of a Wave Energy Converter (WEC) may be estimated using both physical and numerical modelling techniques. Since numerical models are often informed by, and validated against data obtained from physical models, it is important to assess the accuracy with which a prototype's behaviour is predicted by its physical model. This thesis makes such an assessment for the case of a pitching flap type WEC, by comparing the performance of Aquamarine Power's Oyster1 prototype device to that of a representative physical model. This comparison was informed by considering the device in terms of three sub-systems, namely: the flap; the incident waves; and the power take-off (PTO) system. Understanding the effects of characteristics associated with each of these sub-systems on the device's behaviour was pursued using both physical and numerical modelling techniques. As well as informing the comparison between the device's performance at each scale, the conclusions drawn from this work, particularly in relation to the modelling of sea conditions and PTO systems, are relevant to WEC modelling in general. Agreement between the device's behaviour at each scale was assessed by comparing measurements of the flap's angular position and velocity, and the power captured by the PTO. The velocity measured at prototype scale was 12% greater than that measured at model scale. The disagreement between velocity measurements directly affected agreement between power capture measurements, which were also 12% greater at prototype scale compared to model scale. Damage to the PTO cylinders meant that the device's performance was sub-optimal. Extrapolation of the comparison between the device's performance at each scale suggested that the power captured was 7% greater at prototype scale relative to model scale at magnitudes of power capture more representative of optimal performance.
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Markham, Paul N. "Conversion converted : a new model of Christian conversion in light of Wesleyan theology and nonreductive physicalism". Thesis, Durham University, 2006. http://etheses.dur.ac.uk/1289/.

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The doctrine of conversion is central to Christian community life. There are a number of issues that influence how one conceives the phenomenon of conversion. Among these are one's view of spirituality, human nature, and basic notions of the 'self'. This thesis begins with the claim that contemporary views of Christian spirituality, particularly in the American Evangelical tradition, disproportionately emphasise the interior and individual nature of spiritual experience. This has a direct influence on doctrines of conversion in that their salient feature emerges as the redemption of an inner self or `salvation of the soul'. In order to promote a Christian community life that places discipleship at a premium, the author argues that a new model of conversion is needed within American Evangelicalism. Resources for such a model are found in the Wesleyan theological tradition as well as gathered from philosophical and scientific insights found in a nonreductive physicalist view of human nature. This thesis represents an integrated work in science and religion in that the author considers` data' from both theology and science. The author claims that Christian conversion is a process involving normal human biological capacities. It is characterised by a change in socio-moral attitude and behaviour, and is best understood as the acquisition of virtues intrinsic to Christian faith. Such acquisitions are facilitated through social interaction and participation in practices inherent to the Christian community. Furthermore, the conversion process should be viewed as the co-operant result of Divine grace and human participation.
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Cone, Steven Douglas. "Transforming Desire: The Relation of Religious Conversion and Moral Conversion in the Later Writings of Bernard Lonergan". Thesis, Boston College, 2009. http://hdl.handle.net/2345/1990.

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Thesis advisor: Frederick Lawrence
This work argues that religious conversion sublates moral conversion and also, de facto, serves as a necessary foundation for moral conversion. Religious conversion acts this way by transforming the religiously converted subject's feelings. Through this radical change in the subject's motivation, and the consequent change in the kinds of meanings that constitute the subject, religious conversion also transforms the nature of the human good of which the subject is a part. It thereby provides the basis for the right ordering of the human good toward transcendent value and a supernatural end
Thesis (PhD) — Boston College, 2009
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Theology
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Siddique, Zahed. "Conversion of CAD model data for virtual prototypes for disassembly". Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/17877.

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Labasauskas, Vaidotas. "A theological analysis of Thomas Merton's conversion the moral dimension /". Theological Research Exchange Network (TREN), 2006. http://www.tren.com/search.cfm?p029-0686.

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Midha, Amit. "Conversion of 2-dimensional drawings into 3-dimensional solid model". Ohio : Ohio University, 1991. http://www.ohiolink.edu/etd/view.cgi?ohiou1183733016.

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Libri sul tema "Conversión modal"

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Shiller, Robert J. Moral hazard in home equity conversion. Cambridge, MA: National Bureau of Economic Research, 1998.

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Maitland, Donna M. Migration and farmland conversion: A conceptual model. Toronto, Canada: Dept. of Geography, York University, 1988.

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Yaramasu, Venkata, e Bin Wu. Model Predictive Control of Wind Energy Conversion Systems. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119082989.

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Taylor, Dean. Documentation for propane fleet conversion cost-effectiveness model. Austin TX: University of Texas, Center for Transportation Research, 1991.

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The conversity model: Making money with social media. Leuven: LannooCampus, 2011.

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Ivory, Thomas P. Conversion and community: A catechumenal model for total parish formation. New York: Paulist Press, 1988.

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Stone, Steven W. A spatial model of forest conversion using a geographic information system. Ithaca, N.Y: Dept. of Agricultural Economics, New York State College of Agriculture and Life Sciences, Cornell University, 1993.

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Goldberg, Linda S. Debt write-downs and debt-equity swaps in a two sector model. Cambridge, MA: National Bureau of Economic Research, 1989.

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Karl Jaspers and the role of "conversion" in the nuclear age. Lanham, MD: University Press of America, 1988.

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Turning to Earth: Stories of ecological conversion. Charlottesville: University of Virginia Press, 2003.

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Capitoli di libri sul tema "Conversión modal"

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Rini, Adriane. "Modal Conversion in the Apodeictic Syllogistic: An.Pr. A9–11". In Aristotle's Modal Proofs, 79–94. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-94-007-0050-5_8.

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Ren, Xudong. "Conversion Model of Graphite". In Laser Shocking Nano-Crystallization and High-Temperature Modification Technology, 123–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46444-1_5.

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Tysoe, Wilfred T. "Catalytic Chemistry of Hydrocarbon Conversion Reactions on Metallic Single Crystals". In Model Systems in Catalysis, 1–28. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-98049-2_1.

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Roundy, Shad, Paul Kenneth Wright e Jan M. Rabaey. "Vibration Sources and Conversion Model". In Energy Scavenging for Wireless Sensor Networks, 27–39. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4615-0485-6_2.

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Jameton, Andrew. "Economic Conversion and Global Justice: The Moral Issues". In Engineers and Economic Conversion, 217–36. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4615-6913-8_10.

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Ratcliff, M. A., D. K. Johnson, F. L. Posey, M. A. Maholland, S. W. Cowley e H. L. Chum. "Hydrodeoxygenation of a Lignin Model Compound". In Research in Thermochemical Biomass Conversion, 941–55. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2737-7_71.

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Abedini, Ali. "Dynamic Model and Control of a Wind-Turbine Generator". In Wind Energy Conversion Systems, 155–65. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2201-2_7.

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Di Blasi, Colomba. "A Transient, Two-Dimensional Model of Biomass Pyrolysis". In Developments in Thermochemical Biomass Conversion, 147–60. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1559-6_11.

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Saastamoinen, Jaakko. "Model for Drying and Pyrolysis in an Updraft Biomass Gasifier". In Advances in Thermochemical Biomass Conversion, 186–200. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1336-6_15.

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Nelson, David A. "Aqueous, Alkaline Liquefaction of Wood Fractions and Lignin Model Compounds". In Research in Thermochemical Biomass Conversion, 473–84. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2737-7_36.

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Atti di convegni sul tema "Conversión modal"

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Jungwirth, Patrick W., e David Evans. "Analog-to-digital conversion and model based engineering". In Open Architecture/Open Business Model Net-Centric Systems and Defense Transformation 2019, a cura di Raja Suresh. SPIE, 2019. http://dx.doi.org/10.1117/12.2513222.

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Su, Yumin, Liang Zhang, Quanyu Dai, Bo Zhang, Jinyao Yan, Dan Wang, Yongjun Bao, Sulong Xu, Yang He e Weipeng Yan. "An Attention-based Model for Conversion Rate Prediction with Delayed Feedback via Post-click Calibration". In Twenty-Ninth International Joint Conference on Artificial Intelligence and Seventeenth Pacific Rim International Conference on Artificial Intelligence {IJCAI-PRICAI-20}. California: International Joint Conferences on Artificial Intelligence Organization, 2020. http://dx.doi.org/10.24963/ijcai.2020/487.

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Conversion rate (CVR) prediction is becoming increasingly important in the multi-billion dollar online display advertising industry. It has two major challenges: firstly, the scarce user history data is very complicated and non-linear; secondly, the time delay between the clicks and the corresponding conversions can be very large, e.g., ranging from seconds to weeks. Existing models usually suffer from such scarce and delayed conversion behaviors. In this paper, we propose a novel deep learning framework to tackle the two challenges. Specifically, we extract the pre-trained embedding from impressions/clicks to assist in conversion models and propose an inner/self-attention mechanism to capture the fine-grained personalized product purchase interests from the sequential click data. Besides, to overcome the time-delay issue, we calibrate the delay model by learning dynamic hazard function with the abundant post-click data more in line with the real distribution. Empirical experiments with real-world user behavior data prove the effectiveness of the proposed method.
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Ma, L., M. C. Pourkashanian e C. W. Wilson. "A CFD Model for Reacting Flows in an Aero-Engine Hot End Simulator". In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68077.

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This paper presents a three-dimensional CFD model that numerically simulates the physical and chemical species transformations in the aero-engine turbine and nozzle aimed at contributing to an improved understanding of the minor species emitted by the aircraft, in particular the production of the gaseous aerosol precursors such as SO3, H2SO4 and HONO within the aircraft engine. The results presented are for the model applications to an aero-engine Hot End Simulator (HES). The HES was designed in the PARTEMIS programme to recreate the thermodynamic profile in the turbine and nozzle through which the hot gases pass after leaving the combustor so that detailed measurements can be made within the HES providing key boundary conditions and validations to the CFD model predictions. A detailed sulphur reaction mechanism has been incorporated in the numerical model, together with hydrocarbon-air and nitrogen chemistry, so that the effect of both engine condition and fuel sulphur content on the sulphur IV to VI conversion, as well as NOx/NOy conversion, in the post combustor region can be numerically predicted. For the two operational conditions studied, it is noted that there is still a significant portion of sulphur conversions taking place within the HES, although they are smaller when compared with the sulphur conversions that take place in the combustor. Overall conversion efficiencies of about 3.2% and 2.8% have been predicted for the Cruise and the Modern conditions studied, respectively, of which 0.6% and 0.7% were predicted occurring within the HES, respectively. The CFD predictions compared well with the available data from the HES measurements, although considerable uncertainties in the model input exist. The modelling results suggest that reasonable predictions can be obtained for the fluid flow, heat transfer and the chemical species transformations that occur in the turbine and nozzle, particularly for some of the unstable species that are not readily obtained through measurements. These results could also provide useful information/boundary conditions for the subsequent post engine modelling of the new particulate materials formed within the aircraft wake.
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Sejima, Kota, Yoshitaka Toyota, Kengo Iokibe, Liuji R. Koga e Tetsushi Watanabe. "Experimental model validation of mode-conversion sources introduced to modal equivalent circuit". In 2012 IEEE International Symposium on Electromagnetic Compatibility - EMC 2012. IEEE, 2012. http://dx.doi.org/10.1109/isemc.2012.6351682.

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Silberstein, E., D. Peyrade, Philippe Lalanne, A. Talneau, Yong Chen e Pierre H. Chavel. "Adiabatic modal conversion with subwavelength features". In 19th Congress of the International Commission for Optics: Optics for the Quality of Life, a cura di Giancarlo C. Righini e Anna Consortini. SPIE, 2003. http://dx.doi.org/10.1117/12.528061.

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Tsai, Anni, Jiacun Wang, William Tepfenhart e Daniela Rosca. "EPC Workflow Model to WIFA Model Conversion". In 2006 IEEE International Conference on Systems, Man and Cybernetics. IEEE, 2006. http://dx.doi.org/10.1109/icsmc.2006.385291.

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Lacava, C., M. A. Ettabib, T. Dominguez Bucio, G. Sharp, A. K. Khokhar, Y. Jung, D. J. Richardson et al. "Inter-Modal Wavelength Conversion in Silicon Waveguide". In 2018 European Conference on Optical Communication (ECOC). IEEE, 2018. http://dx.doi.org/10.1109/ecoc.2018.8535169.

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Shamim, Tariq. "Dynamic Response of Automotive Catalytic Converters to Modulations in Engine Exhaust Compositions". In ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0669.

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This paper presents a computational investigation of the effect of composition modulations on an automotive catalytic converter. The objective is to develop a better fundamental understanding of the converter’s performance under actual driving conditions. Such an understanding will be beneficial in devising improved emission control methodologies by exploiting the catalyst transient behavior. The study employs a single-channel based, one-dimensional, non-adiabatic model. Two types of imposed transients (sinusoidal and step changes) are considered. The results show that composition modulations cause a significant departure in the catalyst behavior from its steady behavior, and modulations have both favorable and harmful effects on pollutant conversion. The departure is relatively significant for catalyst CO and HC conversion performance. The operating conditions and the modulating gas composition have substantial influence on catalyst behavior. Near stoichiometric condition, modulations of HC concentration have relatively greater effect and result in increased CO and HC conversions. Modulations of CO, on the other hand, result in a decrease of CO conversion. The effect of CO modulations on HC conversion is slightly positive. For the conditions studied, NO modulations generally do not result in any significant change in catalyst performance.
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Liu, Li-Juan, Yan-Nian Chen, Jing-Xuan Zhang, Yuan Jiang, Ya-Jun Hu, Zhen-Hua Ling e Li-Rong Dai. "Non-Parallel Voice Conversion with Autoregressive Conversion Model and Duration Adjustment". In Joint Workshop for the Blizzard Challenge and Voice Conversion Challenge 2020. ISCA: ISCA, 2020. http://dx.doi.org/10.21437/vcc_bc.2020-17.

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Anderson, William, Joseph Bland e Kevin Horner-Richardson. "Sonic cesium supply for bi-modal thermionic reactors". In Intersociety Energy Conversion Engineering Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-4056.

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Rapporti di organizzazioni sul tema "Conversión modal"

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Cai, Yongxia, Christopher M. Wade, Justin S. Baker, Jason P. H. Jones, Gregory S. Latta, Sara B. Ohrel, Shaun A. Ragnauth e Jared R. Creason. Implications of alternative land conversion cost specifications on projected afforestation potential in the United States. RTI Press, novembre 2018. http://dx.doi.org/10.3768/rtipress.2018.op.0057.1811.

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The Forestry and Agriculture Sector Optimization Model with Greenhouse Gases (FASOMGHG) has historically relied on regional average costs of land conversion to simulate land use change across cropland, pasture, rangeland, and forestry. This assumption limits the accuracy of the land conversion estimates by not recognizing spatial heterogeneity in land quality and conversion costs. Using data from Nielsen et al. (2014), we obtained the afforestation cost per county, then estimated nonparametric regional marginal cost functions for land converting land to forestry. These afforestation costs were then incorporated into FASOMGHG. Three different assumptions for land moving into the forest sector were run; constant average conversion cost, static rising marginal costs and dynamic rising marginal cost, in order to assess the implications of alternative land conversion cost assumptions on key outcomes, such as projected forest area and cropland use, carbon sequestration, and forest product output.
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Shiller, Robert, e Allan Weiss. Moral Hazard in Home Equity Conversion. Cambridge, MA: National Bureau of Economic Research, maggio 1998. http://dx.doi.org/10.3386/w6552.

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Lamb, Milton A. Development of Model List Conversion Application. Fort Belvoir, VA: Defense Technical Information Center, settembre 2011. http://dx.doi.org/10.21236/ada552063.

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Mendez Cruz, Carmen Margarita, Gary E. Rochau e Mollye C. Wilson. Systems Engineering Model for ART Energy Conversion. Office of Scientific and Technical Information (OSTI), febbraio 2017. http://dx.doi.org/10.2172/1343252.

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Anderson, Paul B., e Michael A. Young. Connection Machine Software Conversion of a Navy Oceans Model. Fort Belvoir, VA: Defense Technical Information Center, settembre 1993. http://dx.doi.org/10.21236/ada269876.

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Thomason, James S., Robert J. Atwell, Amrit K. Romana e Thomas J. Wallace. Conversion of the Forces Mobilization Model (FORCEMOB) from FORTRAN to C. Fort Belvoir, VA: Defense Technical Information Center, agosto 2015. http://dx.doi.org/10.21236/ada622096.

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Kunkel, Robert W., Anderson Jr. e John R. Conversion Process of a Ballistic Research Laboratory Computer-Aided Design (BRL-CAD) Model to a Panelized Surface Model (PSM). Fort Belvoir, VA: Defense Technical Information Center, febbraio 2001. http://dx.doi.org/10.21236/ada392174.

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Stein, Joshua S., Christopher Arthur Rautman e Anna C. Snider. Conversion of the West Hackberry geological site characterization report to a three-dimensional model. Office of Scientific and Technical Information (OSTI), agosto 2004. http://dx.doi.org/10.2172/919136.

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Stein, Joshua S., e Christopher Arthur Rautman. Conversion of the Bayou Choctaw geological site characterization report to a three-dimensional model. Office of Scientific and Technical Information (OSTI), febbraio 2004. http://dx.doi.org/10.2172/918381.

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Stein, Joshua S., e Christopher Arthur Rautman. Conversion of the Big Hill geological site characterization report to a three-dimensional model. Office of Scientific and Technical Information (OSTI), febbraio 2003. http://dx.doi.org/10.2172/918392.

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