Relevant bibliographies by topics / DeltaV

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Academic literature on the topic 'DeltaV'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "DeltaV"

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Haddon, C., L. Smithers, S. Schneider-Maunoury, T. Coche, D. Henrique, and J. Lewis. "Multiple delta genes and lateral inhibition in zebrafish primary neurogenesis." Development 125, no. 3 (1998): 359–70. http://dx.doi.org/10.1242/dev.125.3.359.

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In Drosophila, cells are thought to be singled out for a neural fate through a competitive mechanism based on lateral inhibition mediated by Delta-Notch signalling. In tetrapod vertebrates, nascent neurons express the Delta1 gene and thereby deliver lateral inhibition to their neighbours, but it is not clear how these cells are singled out within the neurectoderm in the first place. We have found four Delta homologues in the zebrafish--twice as many as reported in any tetrapod vertebrate. Three of these--deltaA, deltaB and deltaD--are involved in primary neurogenesis, while two--deltaC and deltaD--appear to be involved in somite development. In the neural plate, deltaA and deltaD, unlike Delta1 in tetrapods, are expressed in large patches of contiguous cells, within which scattered individuals expressing deltaB become singled out as primary neurons. By gene misexpression experiments, we show: (1) that the singling-out of primary neurons, including the unique Mauthner cell on each side of the hindbrain, depends on Delta-Notch-mediated lateral inhibition, (2) that deltaA, deltaB and deltaD all have products that can deliver lateral inhibition and (3) that all three of these genes are themselves subject to negative regulation by lateral inhibition. These properties imply that competitive lateral inhibition, mediated by coordinated activities of deltaA, deltaB and deltaD, is sufficient to explain how primary neurons emerge from proneural clusters of neuroepithelial cells in the zebrafish.
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Barath, V. S., F. J. Faber, S. Westland, and W. Niedermeier. "Spectrophotometric Analysis of All-ceramic Materials and Their Interaction with Luting Agents and Different Backgrounds." Advances in Dental Research 17, no. 1 (2003): 55–60. http://dx.doi.org/10.1177/154407370301700113.

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In this study, two All-Ceramic (AC) materials—Empress 2 (EMP) (Ivoclar Vivadent AG, Schaan, Liechtenstein) and In-Ceram ALUMINA (ICA) (Vita Zahnfabrik, Bad Säckingen, Germany)—were analyzed, along with the effects of 3 luting agents— viz. Zinc Phosphate cement (ZNPO, PhospaCEM PL, Ivoclar Vivadent AG, Schaan, Liechtenstein), Glass Ionomer Cement (GIC, Ketac-Cem Radiopaque, ESPE Dental AG, Seefeld, Germany), and Compolute (COMP, ESPE Dental AG, Seefeld, Germany)—on the final color, using the CIELab system. Color differences (DeltaL, Deltaa, Deltab, and DeltaE) were calculated for samples with luting agents and for samples without luting agents with standard white and black backgrounds, with the use of a spectrophotometer, Luci 100 (Dr. Lange, Berlin, Germany). One-way ANOVA for DeltaL, Deltaa, Deltab, and DeltaE within both the AC systems, with and without luting agents, showed significant contributions of the background (p < 0.05). EMP was seen to be more translucent than ICA. Darker ceramics showed less color variation. Luting agents altered the final color of the restoration. ZNPO was least translucent, followed by GIC and COMP. Marginal increases in thicknesses of ICA samples (0.4 mm) do not show a statistically significant color difference. No method exists to predict the outcome of an AC restoration based on consideration of the luting agent and the background color.
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Haddon, C., Y. J. Jiang, L. Smithers, and J. Lewis. "Delta-Notch signalling and the patterning of sensory cell differentiation in the zebrafish ear: evidence from the mind bomb mutant." Development 125, no. 23 (1998): 4637–44. http://dx.doi.org/10.1242/dev.125.23.4637.

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Mechanosensory hair cells in the sensory patches of the vertebrate ear are interspersed among supporting cells, forming a fine-grained pattern of alternating cell types. Analogies with Drosophila mechanosensory bristle development suggest that this pattern could be generated through lateral inhibition mediated by Notch signalling. In the zebrafish ear rudiment, homologues of Notch are widely expressed, while the Delta homologues deltaA, deltaB and deltaD, coding for Notch ligands, are expressed in small numbers of cells in regions where hair cells are soon to differentiate. This suggests that the delta-expressing cells are nascent hair cells, in agreement with findings for Delta1 in the chick. According to the lateral inhibition hypothesis, the nascent hair cells, by expressing Delta protein, would inhibit their neighbours from becoming hair cells, forcing them to be supporting cells instead. The zebrafish mind bomb mutant has abnormalities in the central nervous system, somites, and elsewhere, diagnostic of a failure of Delta-Notch signalling: in the CNS, it shows a neurogenic phenotype accompanied by misregulated delta gene expression. Similar misregulation of delta; genes is seen in the ear, along with misregulation of a Serrate homologue, serrateB, coding for an alternative Notch ligand. Most dramatically, the sensory patches in the mind bomb ear consist solely of hair cells, which are produced in great excess and prematurely; at 36 hours post fertilization, there are more than ten times as many as normal, while supporting cells are absent. A twofold increase is seen in the number of otic neurons also. The findings are strong evidence that lateral inhibition mediated by Delta-Notch signalling controls the pattern of sensory cell differentiation in the ear.
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Beck, Rose, and Mallika Padival. "Differential Ability of the Notch Ligands Jagged2, Delta1, and Delta4 To Accelerate Development of Human CD34+ Hematopoietic Progenitor Cells (HPCs) into Killer Inhibitory Receptor (KIR)-Negative NK Cells with Cytotoxic Activity." Blood 110, no. 11 (2007): 1326. http://dx.doi.org/10.1182/blood.v110.11.1326.1326.

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Abstract The evolutionarily conserved Notch receptors play important roles in cell fate decisions. Ligation of Notch-1 causes differentiation of T/NK cell precursors from HPCs and is critical for development of T cells in the thymic microenvironment. Five known Notch ligands exist in mammals (Delta1, Delta3, Delta4, Jagged1, and Jagged2), and Delta4 in particular has a greater capacity to support T cell development than Delta1. Notch ligation through Delta1 has also been shown to potentiate CD56+ NK cell differentiation from human HPCs in the presence of IL-15, although the phenotype and functionality of these cells has not been extensively described. We compared the ability of the 5 mammalian Notch ligands to induce the development of functional NK cells from human CD34+ HPCs derived from umbilical cord blood (CB). CD34+ cells isolated from CB were cultured in RPMI + 10% FBS on a murine stromal cell line, OP-9, expressing one of the five mammalian Notch receptors (Jagged1, Jagged2, Delta1, Delta3, or Delta4) or OP-9 cells transfected with vector alone, in the presence of IL-7, Flt3 ligand (FL), and IL-15. After three weeks of culture, development of CD56+CD3− cells was greatly accelerated by the ligands Jagged2 (53.4 +/− 5.5% CD56+CD3− cells), Delta-1 (38.6 +/− 5.7%), and Delta-4 (65.0 +/− 3.9%) versus culture in the absence of ligand (17.6 +/−10.3%, p = < 0.02) or in the presence of Jagged1 or Delta3. By 5 weeks, the percentage of NK cells seen in cultures containing Jagged2, Delta1, or Delta4 reached 80–90%. These NK cells expressed CD117 but only partially expressed CD94, with positivity ranging from 12.1 to 34.1% of NK cells derived from these 3 ligands after 5 weeks in culture; similarly, few CD16+ NK cells were seen in these cultures (0 to 12.1% of NK cells after 5 weeks). KIR expression in more than 1% of NK cells was not identified under any culture condition. In preliminary experiments, the addition of IL-2 or IL-21, both of which have been shown to induce KIR expression in non-Notch mediated models of NK cell development, did not significantly alter the percentages of NK cells expressing CD94, CD16, or KIR. Because the ligands Jagged2 and Delta4 induced the highest percentages of NK cells in culture, we examined the cytotoxic activity of these cells. NK cells derived from Jagged2 or Delta4 ligation expressed perforin and displayed in vitro cytotoxic activity against the human leukemia cell lines K562 (34.1% or 40.8% target cell lysis, respectively, at an E:T of 10:1) and HL-60 (14.1% or 31.6%, respectively). These cells also produced IFN-gamma, with Delta4 cultures producing higher levels of IFN-gamma versus Jagged2 cultures (1112 vs. 163.9 pg/ml, respectively). These data demonstrate that the Notch ligands vary in their ability to induce differentiation of NK cells from human CD34+ HPCs. Jagged2 and Delta4 in particular have greater capacity to generate functional NK cells which have cytolytic activity and can secrete IFN-gamma, while at the same time lacking a majority of inhibitory NK receptors (KIR and the NKG family of receptors which dimerize with CD94). The generation of cytolytic KIR-negative NK cells is of interest for cellular therapy against malignancies that are susceptible to NK cell killing.
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Jurnal, Redaksi Tim. "PERANCANGAN SISTEM KONTROL GLYCOL REGENERATION UNIT DENGAN DCS DeltaV DI ONSHORE GAS PLANT." Sutet 7, no. 2 (2018): 102–10. http://dx.doi.org/10.33322/sutet.v7i2.82.

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The glycol regeneration process is an integrated part of the glycol dehydration unit (GDU) system. Each plant has a customized configuration to the needs of the process, for the case in this onshore field because the gas produced from the well is good enough with a fairly low water content, then does not use Glycol Contactor. Instead used low temperature separator and glycol generation unit. DCS DeltaV is used to operate, documentation and optimization of gas processes. By using oscillation method and closed loop system obtained PID tuning result with parameter P = 387, I = 57 and D = 53. The response of the control system is conditioned overshoot from its setpoint to accelerate the rise of the temperature plant. When the temperature of glycol regeneration is at 2620 F, the alarm will light Hi limit and Hi Hi limit at 2900 F, while at 2450F the alarm will light low limit and Low Low limit at temperature 00 F.
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Ye, Chen. "Implementation of Lance Control in Top-Blown Copper Smelting Process Based on DCS." Advanced Materials Research 457-458 (January 2012): 161–64. http://dx.doi.org/10.4028/www.scientific.net/amr.457-458.161.

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Top-blown furnace is known to be effectively adopted in copper smelting. This paper elaborates lance control strategies in top-blown smelting process based on the real project named KUNPENG COPPER SMELTER in China. We implement lance control by using several schemes, such as auto lower, auto raise, normal raise and emergency raise; meanwhile, we propose a method of auto creep control to stabilize tip pressure of lance. Moreover, the configuration of the smelting control system based on Emerson DeltaV is introduced. The result reported clearly shows that the lance rises and falls automatically according to specific conditions, as well as the lance tip pressure is stable and creep movement is precise and responsible.
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Woolley, Ronald L., and Alan F. Asay. "Crash Pulse and DeltaV Comparisons in a Series of Crash Tests with Similar Damage (BEV, EES)." SAE International Journal of Passenger Cars - Mechanical Systems 1, no. 1 (2008): 60–79. http://dx.doi.org/10.4271/2008-01-0168.

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Ju, Yonghan, and So Young Sohn. "Time to Death Analysis of Road Traffic Accidents in Relation to DeltaV, Drunk Driving, and Restraint Systems." Traffic Injury Prevention 15, no. 8 (2014): 771–77. http://dx.doi.org/10.1080/15389588.2013.879575.

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Latimer, Andrew J., Xinhong Dong, Youlia Markov, and Bruce Appel. "Delta-Notch signaling induces hypochord development in zebrafish." Development 129, no. 11 (2002): 2555–63. http://dx.doi.org/10.1242/dev.129.11.2555.

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Different cell types that occupy the midline of vertebrate embryos originate within the Spemann-Mangold or gastrula organizer. One such cell type is hypochord, which lies ventral to notochord in anamniote embryos. We show that hypochord precursors arise from the lateral edges of the organizer in zebrafish. During gastrulation, hypochord precursors are closely associated with no tail-expressing midline precursors and paraxial mesoderm, which expresses deltaC and deltaD. Loss-of-function experiments revealed that deltaC and deltaD were required for her4 expression in presumptive hypochord precursors and for hypochord development. Conversely, ectopic, unregulated Notch activity blocked no tail expression and promoted her4 expression. We propose that Delta signaling from paraxial mesoderm diversifies midline cell fate by inducing a subset of neighboring midline precursors to develop as hypochord, rather than as notochord.
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Riley, B. B., M. Chiang, L. Farmer, and R. Heck. "The deltaA gene of zebrafish mediates lateral inhibition of hair cells in the inner ear and is regulated by pax2.1." Development 126, no. 24 (1999): 5669–78. http://dx.doi.org/10.1242/dev.126.24.5669.

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Recent studies of inner ear development suggest that hair cells and support cells arise within a common equivalence group by cell-cell interactions mediated by Delta and Notch proteins. We have extended these studies by analyzing the effects of a mutant allele of the zebrafish deltaA gene, deltaA(dx2), which encodes a dominant-negative protein. deltaA(dx2/dx2)homozygous mutants develop with a 5- to 6-fold excess of hair cells and a severe deficiency of support cells. In addition, deltaA(dx2/dx2) mutants show an increased number of cells expressing pax2.1 in regions where hair cells are normally produced. Immunohistological analysis of wild-type and deltaA(dx2/dx2) mutant embryos confirmed that pax2.1 is expressed during the initial stages of hair cell differentiation and is later maintained at high levels in mature hair cells. In contrast, pax2.1 is not expressed in support cells. To address the function of pax2.1, we analyzed hair cell differentiation in no isthmus mutant embryos, which are deficient for pax2.1 function. no isthmus mutant embryos develop with approximately twice the normal number of hair cells. This neurogenic defect correlates with reduced levels of expression of deltaA and deltaD in the hair cells in no isthmus mutants. Analysis of deltaA(dx2/dx2); no isthmus double mutants showed that no isthmus suppresses the deltaA(dx2) phenotype, probably by reducing levels of the dominant-negative mutant protein. This interpretation was supported by analysis of T(msxB)(b220), a deletion that removes the deltaA locus. Reducing the dose of deltaA(dx2) by generating deltaA(dx2)/T(msxB)(b220)trans-heterozygotes weakens the neurogenic effects of deltaA(dx2), whereas T(msxB)(b220) enhances the neurogenic defects of no isthmus. mind bomb, another strong neurogenic mutation that may disrupt reception of Delta signals, causes a 10-fold increase in hair cell production and is epistatic to both no isthmus and deltaA(dx2). These data indicate that deltaA expressed by hair cells normally prevents adjacent cells from adopting the same cell fate, and that pax2.1 is required for normal levels of Delta-mediated lateral inhibition.
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Dissertations / Theses on the topic "DeltaV"

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Engdahl, Daniel. "Development of a Test Platform for the Automation System DeltaV." Thesis, KTH, Reglerteknik, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-106254.

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This report describes the development of a test platform and a self study course for the process automation system DeltaV. Sandvik started using this process automation system in 2004. In order to educate personnel in the system without having to disrupt any production lines an educational test platform was needed. The test platform that was developed in this project made use of the same production instruments as the actual production process. The test platform consisted of a physical process automated with a control database developed with DeltaV control software. One important aspect to the development was that the platform was designed to be portable. This is still a part that could be improved.
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Van, Beusekom Craig Joseph. "A new guidance method for a DeltaV and re-entry constrained orbit transfer problem." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/46571.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2005.<br>Includes bibliographical references (p. 153-154).<br>This thesis proposes a spacecraft guidance system designed for a unique class of orbit transfer problems. It considers a vehicle that undertakes a maneuver with the objective of precisely flying through a point in space at a particular time. The spacecraft must automatically determine a transfer orbit that will take it from a circular, low-earth parking orbit to a velocity-unconstrained rendezvous with a Keplerian trajectory. A constraint exists that both the final transfer orbit and the ultimate paths of any additional stages must lead rapidly to atmospheric reentry, typically within one revolution. Constrained to a fixed [delta]V resulting from a two stage thrust profile, the spacecraft must execute a burn maneuver that can effectively dissipate energy to place it on a transfer orbit with previously unknown velocity requirements. Finally, the guidance strategy should be robust to the uncertainties typically encountered in real spacecraft orbit transfer problems. In order to meet these constraints, this thesis first develops new analytic analysis of the relationship between reentry, perigee, and [delta]V. Next, a framework is developed for selecting a favorable transfer orbit while considering the various hard and soft constraints in the problem. Following transfer orbit selection, a plane of maneuver is calculated that maximizes likelihood of first stage reentry. Then traditional guidance strategies are adapted to the problem and hypothetical spacecraft design to produce a closed loop guidance solution. Results are presented that demonstrate the effectiveness of the new method.<br>by Craig Joseph Van Beusekom.<br>S.M.
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Johnson, Jonas. "The Cardiac State Diagram : A new method for assessing cardiac mechanics." Doctoral thesis, KTH, Medicinsk avbildning, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-202743.

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Besset, Manon. "Morphodynamique récente, évolution et vulnérabilité des littoraux deltaïques : une analyse globale." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0326/document.

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Les deltas fluviaux sont des écosystèmes riches et vulnérables. Les apports de sédiments fluviaux assurent leur développement face à la subsidence et l’érosion induite par les agents marins. Les deltas sont principalement exposés à des crues et des submersions marines. Pourtant, ils restent des lieux stratégiques de peuplement, de production économique et d’enjeux géopolitiques, les rendant d’autant plus vulnérables et exposés aux risques. Cette thèse a pour objectif de cerner le fonctionnement passé et actuel de ces systèmes à partir de l’analyse de soixante deltas et d’une approche holistique systémique, à l’aide de données spatiales, environnementales et sociétales. Après l’étude de l’évolution côtière récente montrant une tendance à la diminution de la progradation de nombreux deltas, une classification conceptuelle et qualitative de la morphologie des deltas axée sur les influences fluviomarines a été conduite. La mise à jour de cette classification et la proposition de nouvelles approches, en termes de morphologie, de dynamique et de vulnérabilité, ont nécessité une revue des acquis antérieurs, une quantification de l’influence du fleuve, de la houle et de la marée, et une approche quantitative qui a mis en évidence la complexité des interactions. Le travail débouche sur une nouvelle classification quantitative et objective. La thèse compare aussi les réponses deltaïques à des perturbations exceptionnelles, montrant les limites de la résilience deltaïque. Elle renseigne sur l'impact anthropique sur ces espaces fragiles fortement dépendants de l’apport sédimentaire. Cet équilibre est d’autant plus fragilisé aujourd’hui par les impacts du changement climatique<br>River deltas are rich and fragile ecosystems. Deltas depend on fluvial sediment supply to balance natural subsidence and erosion caused by waves and currents. Deltas are mainly affected by river flooding, marine submersion. However, deltas are strategic sites of human settlement, economic hotspots, and geopolitical issues. This attraction increases the pressure, rendering these deltas more and more exposed to risks and vulnerable.The main objective of this thesis is to analyze the past and present functional dynamics of delta shorelines based on 60 of the world’s deltas and a holistic and systemic approach with spatial, environmental, and societal data. After the study of recent coastal evolution showing a tendency to decreasing progradation of many deltas, a conceptual and qualitative classification of deltaic morphology based on fluviomarine influences was conducted. Updating of this classification and the proposal of new approaches, in terms of morphology, dynamics, and vulnerability, have necessitated revisiting these older schemes, and the adoption of a methodological and interpretative approach aimed at quantification of the weight of each of these three parameters showing the complexity of the interactions. The thesis proposes a new quantitative and objective classificatory framework, including the human dimension. Finally, the thesis highlights the responses of deltaic shorelines to exceptional perturbations, and highlights the limits of resilience. The thesis advises over the impact of humans on these fragile coastal environments, the equilibrium of which strongly depends on sediment supply. This fragility is further exacerbated by the impacts of climate change
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Ozturk, H. E. "Role of Notch ligands DeltaC and DeltaD during zebrafish development : a transgenic approach." Thesis, University College London (University of London), 2009. http://discovery.ucl.ac.uk/16136/.

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The Notch signalling pathway appears to be ubiquitous in metazoan animals, and is one of the most thoroughly studied signalling pathways. Notchmediated cell-cell communication is crucial for development: it governs the establishment of patterns of gene expression and differentiation and regulates binary cell fate choices and the maintenance of stem cell populations. In zebrafish, Notch signalling governs many aspects of embryonic and adult development and recent studies have identified the main players in different contexts. Interestingly, however, as we learn more about Notch signalling, we are starting to realize the complexity of this pathway that is put together in a relatively simple way. One source of complexity comes from the diversity of roles and functions of different Notch ligands. Among those, we are particularly interested in DeltaC and DeltaD, two major members of the Delta family of ligands, which are curiously expressed together in various contexts ranging from neurogenesis to formation of the gut epithelium and somitogenesis. Many questions remain as to the exact functions of the Notch ligands DeltaC and DeltaD in the somite segmentation process and elsewhere. To investigate temporal and other aspects of the role of these Notch ligands, I have created transgenic zebrafish lines in which we can provoke expression of either one with a heat shock, using either direct regulation by a heat-shock promoter or via GAL4-VP16. This thesis describes the work done during the creation, establishment and validation of these transgenic lines and discusses some of the applications that can reveal novel aspects of Notch signalling, focusing on somite segmentation. I believe that by using these transgenic fish lines, in coordination with other lines that we currently have, we will be able to answer important questions relevant to not only somite segmentation, but also Notch signalling in general.
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Yocum, Tara A. "Growth laws for sub-delta crevasses in the Mississippi River Delta: observations and modeling." ScholarWorks@UNO, 2017. http://scholarworks.uno.edu/td/2339.

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In this study we assessed growth laws of sub-delta crevasses in the Mississippi River delta plain, experimental laboratory deltas, and compared them to previously studied river dominated large deltas worldwide. Metrics for channel and delta geometry for each system were obtained using a combination of geospatial tools, bathymetric datasets, sediment size, and hydrodynamic observations. Most crevasses and experimental deltas appear to obey delta growth laws suggesting that they exhibit planform metrics similar to larger deltas. However, some channels within each system, exhibit outlier behavior (e.g. asymmetric growth) where channel length is much larger than channel width. Hydrodynamic observations and morphodynamic modeling results, support the role of confinement in governing this response, through direct lateral confinement of the receiving basin width and depth thus guiding channels, and indirect confinement caused by sediment cohesion, whereby natural levees guide the systems asymmetric channel growth.
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Borg, Denis. "Implementação de uma rede neural em ambiente foundation fieldbus para computação de vazão simulando um instrumento multivariável." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/18/18153/tde-29072011-100528/.

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Esta dissertação propõe o desenvolvimento de uma rede neural artificial (RNA) direcionada a ambientes foundation fieldbus para realização do cálculo de vazão em dutos fechados. Para tanto, a metodologia proposta utiliza-se de medidas de pressão, temperatura e pressão diferencial, as quais normalmente estão disponíveis em plantas industriais. A principal motivação do emprego das redes neurais reside no seu baixo custo e simplicidade de implementação, o que possibilita o emprego de apenas blocos fieldbus padrões tornando a metodologia independente do fabricante. Foi utilizada uma rede perceptron multicamadas com algoritmo de treinamento backpropagation de Levenberg-Marquardt. O treinamento foi realizado numa programação elaborada para o software Matlab TM. A arquitetura da rede neural foi determinada por métodos empíricos variando-se o número de neurônios e de camadas neurais até se atingir um erro aceitável na prática. Após esses treinamentos foi desenvolvida uma programação para realizar os cálculos de vazão em um ambiente foundation fieldbus utilizando-se para tanto o software DeltaV TM do fabricante Emerson Process Management. Foram obtidos resultados com erro relativo médio de valor de vazão em torno de 1.43% para um primeiro cenário utilizando uma placa de orifício e ar como fluido, e de 0,073% para um segundo cenário utilizando uma placa de orifício e gás natural como fluido, com relação aos valores obtidos através do instrumento multivariável 3095MV TM do fabricante Rosemount. Os valores de erro encontrados validam o método desenvolvido nessa dissertação.<br>This dissertation proposes the development of an artificial neural network (ANN) directed to foundation fieldbus environment for calculation of flow in closed ducts. The proposed methodology uses measurements of pressure, temperature and differential pressure, which are usually available in industrial plants. The main motivation of the use of neural networks lies in their low cost and simplicity of implementation, which allows the use of standard fieldbus blocks by just making the method independent of the manufacturer. It was used a multilayer perceptron network with backpropagation training and algorithm from Levenberg-Marquardt. The training was programmed in the software Matlab TM. The architecture of the ANN was determined by empirical methods by varying the number of neurons and neural layers until it reaches an acceptable error. After such trainings, it was developed a program to perform the flow calculations in an foundation fieldbus environment using Emerson Process Management\'s DeltaV TM software. The results were obtained with an average relative error of flow rate of 1.43% for the first scenario using an orifice plate and air as a process fluid, and 0.073% for a second scenario using an orifice plate and natural gas as the fluid related to the values obtained from Rosemount 3095MV TM multivariable instrument. The values of error found validate the method developed in this dissertation.
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Zainescu, Florin Iulian. "Fluvio-marine interactions and sediment dynamics in river mouth areas." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0697.

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Cette thèse s’est construite autour du fait établi que la zone d’embouchure a joué un rôle central dans le développement du delta du Danube et de l’hypothèse selon laquelle les embouchures, étant des pourvoyeurs pour la côte en sédiments et en eau douce, sont essentielles à la compréhension des côtes sous influence d’embouchures. Cette thèse est basée sur des données de terrain, notamment des levés bathymétriques, des mesures de débit fluvial et de décharge sédimentaire, des données de vagues, vents et courants, ainsi que des profils topographiques et des images satellites. Une grande partie de cette thèse est consacrée à l’utilisation de Mike 21/3 by DHI (Danish Hydraulic Institute), un modèle couplant hydrodynamique et vagues. Les résultats montrent une réponse linéaire dans les changements bathymétriques en relation avec l’influence des inondations et des tempêtes, ces changements peuvent être prédits par un index innondation/tempète basé sur le débit fluvial, la décharge sédimentaire et la hauteur des vagues (R^2=0.84). Des simulations de modélisation exploratoire sont développée pour une gamme complète de conditions. La déflexion du jet est prédit en fonction de l’équilibre entre débit fluvial et courant longshore, ainsi le jet sortant est dévié (ou non-dévié) quand le courant longshore est dominant (ou dominé) sur le débit fluvial. Finalement, la thèse esquisse un schéma préliminaire du transport sédimentaire sur le lobe deltaïque de l’embouchure St. Gheorghe et décrit les actions nécessaires pour envisager au complet le système de transport sédimentaire, indispensable à une gestion réussie de cette côte deltaïque<br>This thesis started from the observation that river mouths play a central role in the development of the Danube Delta and from an intuition that river mouths, as suppliers of sediment and water to coastal areas are quintesential in understanding river-influenced coasts. The present thesis is based on field data which comprises bathymetric surveys, measured river water and solid discharges, wave and wind data, ADCP data, topographic profiles, satellite imagery. Also, a big part of the thesis is dedicated to using the Mike 21/3 by DHI (Danish Hydraulic Institute), a coupled hydrodynamic and wave model.Results show a linear response in bathymetric change in relation to the relative influence of floods and storms and that change can be predicted by a Flood/Storm index based on river water or sediment discharge and wave height proxies (R^2=0.84). Furthermore, the analysis is extended using exploratory modelling to a full range of conditions. Jet deflection is predicted by a balance of river jet discharge and longshore current discharge, such that the jet is deflected (undeflected) when the longshore current is much higher (much lower) than the river jet, and a ~45* deflection is predicted when the discharge of jet equals the discharge of the longshore current.Finally, the thesis sketches a preliminary scheme for the sediment transport at the wave-influenced Sf. Gheorghe lobe, taking into account the known sources and sinks, based on bathymetric measurements and numerical modelling results; and outlines the actions needed to envisage a full sediment transport scheme which is needed for a successful management of the deltaic coast
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Franco, Tarcila. "Utilização de proxies geoquímicos para análise dos padrões de sedimentação na plataforma continental interna adjacente a Foz do Rio Doce (ES)." reponame:Repositório Institucional da UFES, 2013. http://repositorio.ufes.br/handle/10/2010.

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Submitted by Patricia Barros (patricia.barros@ufes.br) on 2016-07-11T17:45:43Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação final Tarcila oficial (1).pdf: 1813884 bytes, checksum: 756128602e875dcb32bc26ce60ad8a9c (MD5)<br>Approved for entry into archive by Patricia Barros (patricia.barros@ufes.br) on 2016-07-11T17:45:59Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação final Tarcila oficial (1).pdf: 1813884 bytes, checksum: 756128602e875dcb32bc26ce60ad8a9c (MD5)<br>Made available in DSpace on 2016-07-11T17:45:59Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação final Tarcila oficial (1).pdf: 1813884 bytes, checksum: 756128602e875dcb32bc26ce60ad8a9c (MD5)<br>Na cidade de Linhares (ES) o rio Doce deságua no Oceano Atlântico formando uma feição deltaica na Plataforma Continental adjacente. Os sedimentos que compõem o delta tem origem na bacia hidrográfica do Rio Doce que é a maior em volume de vazão em /s e área de drenagem do estado capixaba. Ao longo das últimas décadas a bacia passou por um intenso processo de ocupação, transformação e interferências diretas no canal principal. O objetivo do presente trabalho foi analisar proxies geoquímicos presentes no depósito deltaico do rio Doce e determinar um padrão deposicional através do comportamento dos elementos. Para isso foram realizadas análises sedimentológicas, de teor de matéria orgânica e nutrientes, concentração de metais e taxa de sedimentação em testemunhos coletados na plataforma continental adjacente a desembocadura do rio Doce, DT01 SUL (coletado ao Sul da desembocadura), DT02 NORTE (ao Norte) e suas respectivas réplicas, DT01R SUL e DT02R NORTE. Os testemunhos apresentaram composição de granulometria fina em sua maioria com maiores percentuais em DT01 SUL em relação a DT02 NORTE. O conjunto dos resultados obtidos para teor de água, densidade e porosidade identificaram um pacote sedimentar de deposição recente em DT01R SUL e sedimentos em DT02R NORTE com maior compactação. Sendo os pontos equidistantes da desembocadura, as maiores taxas de sedimentação encontradas em DT01R SUL indicam o maior aporte de sedimento para a região Sul em relação a região Norte, onde foi coletado o testemunho DT02R NORTE. Não foi possível identificar a fonte efetiva do material orgânico em DT01 SUL a partir da razão C/N, visto que os resultados situaram-se na faixa de transição entre fontes terrestres e marinhas. Em DT02 NORTE ficou clara a importância da produção autóctone visto que a razão C/N ficou na faixa da matéria orgânica de origem marinha. Os valores de Cu estiveram próximos aos naturais com algumas exceções principalmente em DT01 SUL. Já os valores de Pb excederam o valor encontrado no background em ambos os testemunhos podendo indicar maior influência do aporte antrópico. Assim, por meio dos resultados obtidos do comportamento de proxies no delta do Rio Doce foi possível identificar uma deposição preferencial do sedimento fino transportado pelo rio através da Plataforma Continental adjacente em direção ao Sul da desembocadura.<br>In the Linhares city (Espírito Santo State), the Doce River empties into the Atlantic Ocean forming a deltaic feature on the Continental Shelf. The sediments that make up the delta come from the Doce River basin that is the largest in volume flow e drainage area in the State of Espirito Santo. Over the last decades the basin has undergone an intense process of occupation, processing e direct interference in the main channel. The objective of this study was to analyze geochemical proxies present at the Doce River deltaic deposit e determine a pattern of behavior by these depositional elements. For analyzes were performed sedimentological characteristics, organic matter e nutrients contents, metals concentration e sedimentation rates in cores collected on the continental shelf adjacent to the mouth of the Rio Doce. The cores were DT01 SOUTH (collected south of the mouth), DT02 NORTE (collected north) e their replicas, DT01R SOUTH e DT02R NORTE. The cores presented a composition of higher percentage of fine sediments in DT01 SOUTH compared to DT02 NORTE. The set of results obtained for water content, density e porosity identified a package of sedimentary recent deposition in DT01R SOUTH e DT02R NORTE sediments with higher compression. Being the points equidistant from the mouth, the highest sedimentation rates found in DT01R SOUTH indicate the major input of sediment to the South compared to the North. The C/N ratio in DT01 SOUTH was unable to identify the source of the organic material since the results were located in the transition zone between land e marine sources. In DT02 NORTH became clear the importance of autochthonous production as the C/N ratio was in the range of organic matter with marine origin. Cu values were close to natural with some exceptions mainly in DT01 SOUTH. The values of Pb exceeded the value found in the background on both cores may indicate a greater influence of anthropic contribution. Thus, the results obtained through the behavior of proxies in the delta of Rio Doce was possible to identify a preferential deposition of fine sediment carried by the river via the Continental Shelf adjacent to the South of the mouth.
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Boya, Duocastella Salvador. "El sistema deltaico de la Arenisca de Sabiñánigo y la continentalización de la cuenca de Jaca." Doctoral thesis, Universitat Autònoma de Barcelona, 2018. http://hdl.handle.net/10803/665452.

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La cuenca de Jaca representa un ejemplo excepcional de relleno sedimentario de una cuenca piggyback. Su registro estratigráfico muestra la evolución desde la sedimentación marina profunda durante el Eoceno inferior, hasta la irrupción de ambientes transicionales y continentales que evidencian la colmatación de la cuenca durante el Eoceno superior y Mioceno. Estas características, y la calidad de sus afloramientos ha convertido a esta cuenca en un análogo de referencia en los estudios de geología sedimentaria. En esta tesis se ha realizado una revisión de las formaciones deltaicas y aluviales de la cuenca de Jaca, definidas previamente en base a criterios descriptivos, con el objetivo de establecer sistemas deposicionales de carácter genético a partir de indicadores a escala de cuenca. Para ello se ha aplicado una metodología fundamentada elaboración de una cartografía geológica y el análisis de facies, este último, focalizado especialmente en las unidades deltaicas relacionadas con el sistema deltaico de la Arenisca de Sabiñánigo. Mediante la combinación de ambas técnicas se han diferenciado 8 sistemas deposicionales en la cuenca de Jaca. Entre estos 8 sistemas deposicionales destacan los sistemas deposicionales deltaicos (Bartoniense a Priaboniense) los cuales presentan cierta complejidad debido a la desconexión física presente en la cuenca entre el sector de Jaca y Fiscal. A partir de la integración de los datos estratigráficos de campo obtenidos en esta tesis, con datos paleomagnéticos y bioestratigráfico presentes en la literatura, se ha podido establecer una equivalencia entre los sistemas deltaicos en el sector de Jaca central (parte central de la cuenca) y los del sector de Fiscal (parte oriental de la cuenca). Dichas equivalencias, permiten establecer una nueva correlación entre ambos sectores con la que se asume un rango de edades más jóvenes para las unidades de Fiscal. El estudio de los sistemas deposicionales deltaicos se ha centrado en detalle en el sistema deltaico de Sabiñánigo, cuya excelente calidad en cuanto a exposición, conexión y extensión de sus afloramientos, ha permitido elaborar un estudio de facies exhaustivo. El análisis de facies ha permitido caracterizar dicho delta como un delta dominado por avenidas fluviales a partir de flujos hiperpícnicos de procedencia norte que dominan el sector de Jaca central. Durante los periodos transgresivos, los sedimentos hiperpícnicos muestran retrabajamiento por procesos mareales desarrollando sistemas de barras mareales. De manera coetánea en el sector de Fiscal, se desarrolla el sistema deltaico de San Felices Superior, caracterizado como un sistema dominado por inercia. Este sistema con procedencia este interacciona con los sistemas de procedencia norte en el sector de Jaca. Dicha interacción se manifiesta en los sedimentos mareales donde se han observado señales petrográficas de procedencia este, también por la presencia de sedimentos de plataforma externa en el flanco sur del anticlinal de Basa. Por último, se ha podido documentar un control tectónico en la ciclicidad deltaica de estos sistemas. Por un lado, el sistema deltaico de Sabiñánigo muestra estratos de crecimiento atribuibles a la actividad del cabalgamiento de Otúria. De igual manera, el sistema deltaico de San Felices Superior muestra estratos de crecimiento en su extremo oriental relacionados con el anticlinal de Boltaña. Los episodios activos de cada una de estas estructuras producen una alteración de carácter local en el espacio de acomodación, generando episodios de transgresión forzada en los sistemas deltaicos. En este trabajo se resalta el valor del análisis detallado de facies como herramienta clave para interpretar los diferentes factores que influyen en la arquitectura de los sistemas sedimentarios en un contexto tectónico activo, como la cuenca Surpirenaica. Además, esta tesis presentar el sistema deltaico de Sabiñánigo como un excelente análogo de campo de un delta dominado por avenidas.<br>The Jaca basin is an exceptional example of sedimentary infill of a piggyback basin. Its stratigraphic record shows the evolution from deep-marine environments during the lower Eocene until the its evolution to the transitional and terrestrial environments that represent de last stage of the basin fill during the upper Eocene-Miocene. This features, and the excellent exposure of the outcrops, allow to highlight this basin as an excellent analog in many studies related to sedimentary geology. In this thesis, a review of the delta and alluvial formations of the Jaca basin, classically defined in a descriptive sence, has been carried out in order to establish genetic depositional systems based on basin scale indicators. In order to achieve this goal a methodology based on the elaboration of a geological cartography and facies analysis has been applied, this last one, focused chiefly on the deltaic units related to the Sabiñánigo Sandstone delta system. Through the combination of both techniques, 8 depositional systems have been differentiated in the Jaca basin. Among these 8 depositional systems, the deltaic depositional ones (Bartonian to Priabonian) stand out as complex systems due the present-day lack of physical correlation in the basin between the Jaca and Fiscal sectors. From the integration of stratigraphic field data obtained in this thesis, with paleomagnetic and biostratigraphic data from the literature, it has been possible to establish an equivalence between the deltaic systems in the central Jaca sector (central part of the basin) and those of the Fiscal sector (eastern part of the basin). These equivalences allow establishing a new correlation between both sectors which allows to propose younger age range for the Fiscal units. Deltaic depositional systems analysis has been here focused in more detail on the Sabiñánigo Sandstone delta system, whose excellent quality in terms of exposure, connection and extension of its outcrops, has allowed to carry out an exhaustive facies study. Facies analysis has permitted to characterize this delta as a flood-dominated delta derived from hyperpycnal flows sourced from the north of the Jaca basin. During transgressive periods, the hyperpycnal sediments where reworked by tidal processes which developed systems of tidal bars. Synchronously, in the Fiscal sector, the upper San Felices delta system was formed as an inertia dominated delta. This system, with an eastern provenance signal, interacted with the north-derived deltas in the Jaca sector. This interaction is displayed by the recording of an eastern provenance signal in the tidal sediments, and also by the occurrence of outer shelf deposits in the southern flank of the Basa anticline. Finally, it has been possible to identify a tectonic control in the deltaic cyclicity of these systems. The deltaic system of Sabiñánigo shows growth strata which can be linked to the activity of the Otúria thrust. In the same way, the upper San Felices delta system shows growth strata in its eastern edge related to the growth of the Boltaña anticline. The active stages of each of these structures produced an alteration in the accommodation rate, generating episodes of forced transgression in the deltaic systems. In this work, the importance of detailed facies analysis is highlighted as a key tool to infer the different factors that can modify the architecture style of sedimentary systems in an active tectonic context, such as the South Pyrenean basin. In addition, this thesis presents the deltaic system of the Sabiñánigo Sandstone delta system as an excellent field analog of a flood dominated.
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Books on the topic "DeltaV"

1

Peat compaction in deltas: Implications for Holocene delta evolution. Koninklijk Nederlands Aaardrijkskundig Genootschap, 2010.

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Roberts, Harry H. Atchafalaya-Wax Lake Deltas: The new regressive phase of the Mississippi River Delta complex. Louisiana State University, Louisiana Geological Survey, 2003.

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Delta. Ediciones del Dock, 2012.

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Wright, Heidi von. Delta. Schildts & Söderströms, 2012.

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Delta. Editions du Blé, 1986.

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Delta. Allen & Unwin, 2005.

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Pangelov, Bozhidar. Delta. OMOFOR, 2005.

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Delta. Visor Libros, 2004.

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Azaústre, Joaquín Pérez. Delta. Visor Libros, 2004.

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DELTA. ICEBOX Publishing LLC, 2015.

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Book chapters on the topic "DeltaV"

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Powell, David. "Delta-4 Application Support Environment (Deltase)." In Delta-4: A Generic Architecture for Dependable Distributed Computing. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84696-0_7.

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Semeniuk, Vic, and Christine Semeniuk. "Deltas." In Encyclopedia of Estuaries. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8801-4_305.

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Kelletat, Dieter, Jiyu Chen, John M. Rybczyk, et al. "Deltas." In Encyclopedia of Coastal Science. Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3880-1_114.

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FitzGerald, Duncan, Ioannis Georgiou, and Mark Kulp. "Deltas." In Encyclopedia of Marine Geosciences. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6238-1_159.

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Anthony, Edward J. "Deltas." In Coastal Environments and Global Change. John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781119117261.ch13.

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Selley, Richard C. "Deltas." In Ancient Sedimentary Environments. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-7304-9_5.

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Penland, Shea, and Mark A. Kulp. "Deltas." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48657-4_114-2.

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Penland, Shea, and Mark A. Kulp. "Deltas." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_114.

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Selley, Richard C. "Deltas." In Ancient Sedimentary Environments. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4615-5421-9_5.

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Selley, Richard C. "Deltas." In Ancient Sedimentary Environments. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-1233-5_5.

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Conference papers on the topic "DeltaV"

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Whitehead, E. James. "WebDAV and DeltaV." In the twelfth ACM conference. ACM Press, 2001. http://dx.doi.org/10.1145/504216.504280.

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Holzinger, Marcus. "DeltaV Metrics for Object Correlation, Maneuver Detection, and Maneuver Characterization." In AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-6494.

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Cervone, Angelo, Emilio Rapposelli, and Luca d'Agostino. "A Simplified Model for the Evaluation of the DeltaV of Ascent Trajectories." In 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-4507.

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Hamdi, Faris, and Kenneth Benedictos. "Designing and Testing a CubeSat Bus with High-Thrust High-DeltaV Propulsion Capabilities." In AIAA SPACE 2016. American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-5563.

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Pannil, Pittaya, Sutee Jaroenla, Amphawan Julsereewong, and Sart Kummool. "Feedforward hybrid control using foundation fieldbus: A case study of temperature control with DeltaV system." In 2018 3rd International Conference on Control and Robotics Engineering (ICCRE). IEEE, 2018. http://dx.doi.org/10.1109/iccre.2018.8376443.

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Popescu, Marian. "Use of OPC Protocol, DeltaV Distributed System and Simulink for Level Control with PI and IMC Algorithms." In 2020 12th International Conference on Electronics, Computers and Artificial Intelligence (ECAI). IEEE, 2020. http://dx.doi.org/10.1109/ecai50035.2020.9223217.

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Arayawat, Suvishchan, Teerawat Thepmanee, Prasit Julsereewong, and Amphawan Julsereewong. "Process alarming in PID loop using foundation fieldbus with control in the field: A case study of DeltaV host system." In 2014 IEEE/SICE International Symposium on System Integration (SII). IEEE, 2014. http://dx.doi.org/10.1109/sii.2014.7028132.

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Ballinger, R. C. "Deltanet: Network of European Deltas - Sustainable Delta Governance." In Littoral 2010 – Adapting to Global Change at the Coast: Leadership, Innovation, and Investment. EDP Sciences, 2011. http://dx.doi.org/10.1051/litt/201111005.

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Магрицкий, Д., D. Magrickiy, К. Можаева, and K. Mozhaeva. "THE FEATURES OF MODERN CHANGES OF MORPHOLOGY AND WATER REGIME OF CHANNELS IN SULAK AND TEREK RIVER DELTAS." In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3d0c4b352.39136673.

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On the basis of available hydrological data and results of expedition sounding works the detailed analysis of long-term changes of water levels in the main channels of Terek and Sulak river deltas, vertical and planned deformations of channels, parameters of channels and a river stream is made. The contribution to change of water levels in channels of the water discharges, channel processes, mouth lengthening and sea level fluctuations is quantitatively estimated. Differentiation of delta channels on character and factors of channel processes and changes of water levels is executed. Reliable tools (in the form of empirical dependences) for calculation of water levels on hydrological posts in the Terek and Sulak river deltas on the main factors are created. Received for results allow to optimize water economic actions in deltas of Terek and Sulak, to deepen our knowledge of mouth processes, especially at considerable change of factors of these processes.
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Reis, José Natanael, Gustavo Vale, and Heitor Costa. "Manutenibilidade de Tecnologias para Programação de Linhas de Produtos de Software: Um Estudo Comparativo." In XIV Simpósio Brasileiro de Qualidade de Software. Sociedade Brasileira de Computação - SBC, 2015. http://dx.doi.org/10.5753/sbqs.2015.15214.

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No contexto de Linha de Produtos de Software (LPS), é visado o reúso sistemático e em larga escala. A manutenibilidade da LPS deve ser elevada, pois a mudança em um módulo pode impactar em vários produtos. Dessa forma, descobrir qual tecnologia/linguagem possui maior manutenibilidade, pode ajudar empresas desenvolvedoras de software, que necessitam de constantes alterações, a escolher a tecnologia de desenvolvimento. Neste trabalho, o objetivo é avaliar a manutenibilidade de três LPSs equivalentes implementadas com Programação Orientada a Características utilizando AHEAD, Programação Orientada a Aspectos utilizando AspectJ e com Programação Orientada a Delta utilizando DeltaJ. Um conjunto de seis medidas capazes de avaliar quatro atributos (tamanho,coesão, acoplamento e complexidade) foi utilizado na avaliação. Como resultados, houve diferença significativa na comparação, apenas para uma das seis medidas utilizadas no qual a manutenibilidade das LPSs desenvolvidas com AspectJ e DeltaJ são consideradas a mesma, no entanto, melhores que a LPS em AHEAD.
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Reports on the topic "DeltaV"

1

Ricketts, B. D. Delta evolution in the Eureka Sound Group, western Axel Heiberg Island: the transition from wave-dominated to fluvial-dominated deltas. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132169.

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Denton, R. E., and M. Kotschenreuther. {delta}f Algorithm. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10105190.

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Krommes, J. A. Thermostatted delta f. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/750255.

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Williams, Craig, Jr Reynolds, de Supinski Paul F., and Bronis R. Delta Coherence Protocols. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada480167.

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Chen, Y., and R. B. White. Collisional {delta}f method. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/304188.

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Mogul, J., B. Krishnamurthy, F. Douglis, et al. Delta encoding in HTTP. RFC Editor, 2002. http://dx.doi.org/10.17487/rfc3229.

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Rampton, V. R. Surficial geology, Mackenzie Delta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/126955.

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Rinke, Helen Mae. 49109 UTrain Delta Training. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1618309.

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Ng, K. Y., and /Fermilab. Comments on the slip factor and the relation Delta phi = -h Delta theta. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/966467.

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Driscoll, Anne, and Danielle Ely. NVSR 70-6. Declines in Infant Mortality in Appalachia and the Delta, 1995-1996 and 2017-2018. National Center for Health Statistics, 2021. http://dx.doi.org/10.15620/cdc:104994.

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Abstract:
This report examines infant mortality trends in each region, Appalachia, the Delta, and the rest of the United States, and compares the pattern and magnitude of change between both Appalachia and the Delta with the rest of the United States.
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