Academic literature on the topic 'ARCH'

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Journal articles on the topic "ARCH"

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Barbosa, Flávia Rabelo, Massaru Yokoyama, Pedro Antônio Arraes Pereira, and Francisco José Pfeilsticker Zimmermann. "Effect of arcelin protein on the biology of Zabrotes subfasciatus (Boheman 1833), in dry beans." Pesquisa Agropecuária Brasileira 34, no. 10 (October 1999): 1805–10. http://dx.doi.org/10.1590/s0100-204x1999001000006.

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Arcelin is a seed protein found in wild beans (Phaseolus vulgaris) which gives resistance to Mexican bean weevil, Zabrotes subfasciatus (Boheman 1833) (Coleoptera: Bruchidae). Studies were carried out with the objective of estimating the effect of four alleles of protein arcelin (Arc1, Arc2, Arc3 and Arc4) on the biology of Z. subfasciatus. The experiment was carried out in laboratory at Embrapa-Centro Nacional de Pesquisa de Arroz e Feijão, in Santo Antônio de Goiás, GO, Brazil, under non controlled conditions. The highest levels of antibiosis to Z. subfasciatus were observed in Arc1, with reduction in the number of eggs, number of emerged adults, adults longevity. In the line Arc2 only reduction in the number of emerged adults was observed. The lines Arc3 and Arc4 showed low efficiency on the reduction of progeny of Z. subfasciatus and effects in the longevity and egg-adult cycle were not detected. Insect sexual ratio was not altered by the presence of Arc1, Arc2, Arc3 and Arc4 in the seeds.
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Zúñiga, Manuel, Marie Champomier-Verges, Monique Zagorec, and Gaspar Pérez-Martínez. "Structural and Functional Analysis of the Gene Cluster Encoding the Enzymes of the Arginine Deiminase Pathway ofLactobacillus sake." Journal of Bacteriology 180, no. 16 (August 15, 1998): 4154–59. http://dx.doi.org/10.1128/jb.180.16.4154-4159.1998.

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ABSTRACT Lactobacillus sake can use arginine via the arginine deiminase (ADI) pathway. We designed degenerate primers based on an alignment of known sequences of ornithine transcarbamoylase (OTC)-encoding genes in order to amplify the L. sakecounterpart sequences by PCR. Screening a genomic library of L. sake in λEMBL3 allowed us to isolate a clone containing a 10-kbL. sake genomic DNA insert. Sequence analysis revealed that the genes involved in arginine catabolism were clustered and encoded ADI (arcA), OTC (arcB), carbamate kinase (arcC), and a putative carrier with high similarity to the arginine/ornithine antiporter of Pseudomonas aeruginosa(arcD). Additionally, a putative transaminase-encoding gene (arcT) was located in this region. The genes followed the order arcA arcB arcC arcT arcD, which differs from that found in other microorganisms. arcA, arcB,arcC, and arcD mutants were constructed, and the ADI pathway was impaired in all of them. Transcriptional studies indicated that arcA gene is subject to catabolite repression, and under the conditions used, several transcripts could be detected, suggesting the existence of different initiation sites or processing of a larger mRNA.
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Barbosa, Flávia R., Massaru Yokoyama, Pedro A. A. Pereira, and F. J. P. Zimmermann. "Danos de Zabrotes subfasciatus (Boh.) (Coleoptera: Bruchidae) em linhagens de feijoeiro (Phaseolus vulgaris L.) contendo arcelina." Anais da Sociedade Entomológica do Brasil 29, no. 1 (March 2000): 113–21. http://dx.doi.org/10.1590/s0301-80592000000100014.

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A arcelina é uma proteína encontrada em feijões silvestres e confere resistência ao caruncho do feijão, Zabrotes subfasciatus (Boh. 1833) (Coleoptera: Bruchidae). Comparando-se às cultivares suscetíveis Porrillo 70 e Goiano Precoce, avaliou-se a contribuição de quatro alelos da arcelina (Arc1, Arc2, Arc3 e Arc4), presentes em quatro linhagens quase isogênicas de feijoeiro, no controle de Z. subfasciatus, no período de 15 a 150 dias de armazenagem, em intervalos de 15 dias. O experimento foi conduzido em condições não controladas, utilizando-se delineamento experimental inteiramente ao acaso, em fatorial 6 x 10. Como resultado da baixa emergência de adultos em Arc1 e Arc2, constataram-se, ao final do período de armazenamento, diferenças significativas na percentagem de sementes danificadas pelo caruncho, entre as linhagens contendo Arc1 (0,0%), Arc2 (8,0%), as testemunhas suscetíveis 'Porrillo 70' (73,7%) e Goiano Precoce (99,3%) e as linhagens Arc3 (86,3%) e Arc4 (48,0%). A percentagem de emergência de plantas, imediatamente antes da armazenagem, variou de 95,3 a 97,3% entre os tratamentos, sem diferenças significativas; após 150 dias de armazenagem a emergência foi de 92% em Arc1, 84,3% em Arc2 e 83% em Arc4, as quais diferiram significativamente de Arc3 (30%), 'Porrillo 70' (41,3%) e 'Goiano Precoce' (6,7%).
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Gruening, Petra, Marcus Fulde, Peter Valentin-Weigand, and Ralph Goethe. "Structure, Regulation, and Putative Function of the Arginine Deiminase System of Streptococcus suis." Journal of Bacteriology 188, no. 2 (January 15, 2006): 361–69. http://dx.doi.org/10.1128/jb.188.2.361-369.2006.

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ABSTRACT Streptococcus suis is an important cause of infectious diseases in young pigs. Little is known about the virulence factors or protective antigens of S. suis. Recently, we have identified two proteins of the arginine deiminase system (ADS) of S. suis, which were temperature induced and expressed on the streptococcal surface (N. Winterhoff, R. Goethe, P. Gruening, M. Rohde, H. Kalisz, H. E. Smith, and P. Valentin-Weigand, J. Bacteriol. 184:6768-6776, 2002). In the present study, we analyzed the complete ADS of S. suis. Due to their homologies to the recently published S. gordonii ADS genes, the genes for arginine deiminase, ornithine carbamoyl-transferase, and carbamate kinase, which were previously designated adiS, octS, and ckS, respectively, were renamed arcA, arcB, and arcC, respectively. Our data revealed that arcA, arcB, and arcC of the S. suis ADS are transcribed from an operon (arcABC operon). Additionally, putative ADS-associated genes were cloned and sequenced which, however, did not belong to the arcABC operon. These were the flpS gene upstream of the arcABC operon with homology to the flp transcription regulator of S. gordonii and the arcD, arcT, arcH, and argR genes downstream of the arcABC operon with high homologies to a putative arginine-ornithine antiporter, a putative dipeptidase of S. gordonii, a putative β-N-acetylhexosaminidase of S. pneumoniae, and a putative arginine repressor of S. gordonii, respectively. The transcriptional start point of the arcABC operon was determined, and promoter analysis provided evidence that multiple factors contribute to the regulation of the ADS. Thus, a putative binding site for a transcription regulator of the Crp/Fnr family, an ArgR-binding site, and two cis-acting catabolite response elements were identified in the promoter-operator region of the operon. Consistent with this, we could demonstrate that the ADS of S. suis is inducible by arginine and reduced O2 tension and subject to carbon catabolite repression. Furthermore, comparing an arcA knockout mutant in which expression of the three operon-encoded proteins was abolished with the parental wild-type strain showed that the arcABC operon of S. suis contributes to survival under acidic conditions.
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DMITRIEV, I. K. "REASURCH THE WORK OF THE TRADITIONAL CIRCULAR ARCH OF TIMBER JAMBS WITH AN OPTION OF ITS STRENGTHENING." Building and reconstruction 90, no. 4 (2020): 29–37. http://dx.doi.org/10.33979/2073-7416-2020-90-4-29-37.

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The article discussesthe research of the traditional circular archs of timber jambs, designedin the 16-th century by the French architectPhilibert Delorme, with an option of its strengthening, which make this arch comparable to the glued timber one. The experimental research of a flat arch, made of small wooden bricks strung on a steel rope and prestressed from the foundationzone, was carried out in the NRU MGSU. According to the results, it was found, that the arch has a low carrying capacity and can work only on compression. However, by strengthening the arch by using a steel band along its upper face and thus moving to the truss structure, it is possible to increase significantly its carrying capacity and bring it closer to the glued timber arch. During tests, it was noted that by the character of its work this arch is close to the circular arch of timber jambs. In the LIRA-CAD PC a computer simulationwas carried out of the traditional and the strengthened by a steel band along its upper face circular arches of timber jambs, as well as the glued timber arch. The following results were obtained.During the deformation process, the deflection of the strengthened circular arch decreased by 31%, and the stresses in it decreased by 26% compared to the traditional one, and according to the carrying capacity the arch has become comparable to the glued timber one. On this basis the conclusions were obtained, that it is possible to create non-linear form constructions, inherent to the natural objects, using the strengthened circular arch.
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Kuroboshi, Manabu, Nobuko Yamada, Yoko Takebe, and Tamejiro Hiyama. "Stereoselective synthesis of (E)-ArCFCFR and (E)-ArCHCFR from ArCH(OH)CFBr2." Tetrahedron Letters 36, no. 35 (August 1995): 6271–74. http://dx.doi.org/10.1016/0040-4039(95)01257-i.

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Bao, Li Xin, and Xiao Xu Tang. "The Arch Sky Belly Arch and Arch Culvert Crack Disease Analysis of Arch Bridge." Advanced Materials Research 368-373 (October 2011): 1201–7. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.1201.

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Arch type on an empty stomach type arch bridge and push culvert in the disease that can arise different level under temperature role. The reason that article produces for disease is analysed , push , Dao act on without the foot arch of circular arc in permanent year and temperature power calculation formula, have pointed out the theoretical source that the arch sky belly arch and arch culvert crack disease of arch bridge produce , and have made to administer the measure of this kind of disease.
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DeCampli, William M. "Why arch curvature affects arch resistance." Journal of Thoracic and Cardiovascular Surgery 154, no. 3 (September 2017): 789–90. http://dx.doi.org/10.1016/j.jtcvs.2017.05.002.

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Yaremenko, Olena. "Сalculation methodology and determination of efforts in vault." Bulletin of Kharkov National Automobile and Highway University 2, no. 92 (May 10, 2021): 85. http://dx.doi.org/10.30977/bul.2219-5548.2021.92.2.85.

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Abstract. Problem. In this article we offer the meth-odology of calculation, based on the idea of dismem-berment of vault on the separate archs of single width. It is recommended for the estimation of efforts in the designed and damaged vaults. Also offered a methods of calculation effort in serried vaults. As spatial inflexibility of cross vault below than inflexi-bility of serried vault, then it is necessary to execute the calculation of the cheek arch abstracted from the tray of cross vault also. If the outline of tray is exe-cuted on a circular curve, then it is possible to take methodology of calculation of archs with the outline of axis a curve as catenoid. Goal. The proposed methodology for calculating closed and cross vaults is also based on the idea of dividing the arch into separate arches of unit width. The results of studies of efforts and rational forms of arches of V.A. Kiselev [1]. Methodology. Calculation based on the idea of dismemberment of vault on the separate archs of single width. Recommended for the estimation of efforts in the designed and damaged vaults. A method over of calculation of dome is brought for determina-tion of effort in serried vaults. Results. At the choice of outline of axis of arch it is necessary aspires to that an axis, on possibility, coincided with the curve of pressure. Such outline of axis is rational, as there are only central forces of N in an arch. Flexion mo-ments M and transversal forces of Q are equal to the zero. The coincidence of axis of arch with the curve of pressure can be got for the three-hinged arch. For the statically undetermined arch of complete coinci-dence of axis with the curve of pressure attaining is impossible, so that the origin of flexion moments at any her outline is inevitable. Originality. The tech-nique based on the separation of flat elements from the spatial structure does not show the reserves of strength of the structure. Experience of long-term operation of vaulted structures designed or verified by calculation using similar methods [2], [9] shows caution and reliability. Practical value. The tech-nique is also suitable for assessing the strength of damaged vaults with collapsed corners or walms.
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Andryushin, A. "Ice loads on pod unit bodies of ice-going ships." Transactions of the Krylov State Research Centre S-I, no. 2 (December 28, 2020): 19–30. http://dx.doi.org/10.24937/2542-2324-2020-2-s-i-19-30.

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This paper presents the methodology for determination of ice loads on the elements of pod propulsion units for Arc4-Arc9 ships. The conclusion gives calculation results for ice loads on pod units for Arc5 and Arc7 ships, and compares these results with those obtained as per DNV-GL rules for ice classes PC6, PC5, PC3
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Dissertations / Theses on the topic "ARCH"

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Liadis, Nicholas. "[MUSO-ARCH]itectonics." PDF viewer required Home page for entire collection, 2008. http://archives.udmercy.edu:8080/dspace/handle/10429/9.

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Williamson, Thomas James. "Weight optimum arch structures." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/24108.

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Approved for public release; distribution is unlimited
The goal of this investigation is to design minimum weight arch structures which span the distance between two points in two-dimensional space. An arch of unknown shape and variable cross-sectional width is modeled as a series of straight bar-beam elements. Finite Element Methods are used to compute the stresses in each element. Automated Design Synthesis (ADS) software is then used to vary the slope of each element and the cross-sectional width to prevent the yield stress of the material from being exceeded as ADS minimizes the arch volume to arrive at the minimum weight structure. Results are presented for a number of different loadings and boundary conditions.
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Menzies, Margaret Anne. "Weight optimum arch structures." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28651.

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Tuncer, Ruhi. "Les modèles ARCH multivariés." Paris 9, 1995. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1995PA090011.

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Nous étudions la convergence en probabilité de l'estimateur de maximum de vraisemblance d'un modèle ARMA dont les erreurs suivent un processus GARCH (1, 1) selon la spécification de Baba, Engle, Kraft et Kroner. Nous établissons des conditions d'existence des moments d'ordre supérieur à deux. Les conditions de stationnarité stricte et d'ergodicité de certains modèles contraints sont présentées. Finalement, nous proposons un cadre général pour l'approximation en temps continu de modèles ARCH multivariés
We study the convergence in probablityof the maximum likelihood estimators of a multivariate ARMA model with GARCH (1,1) errors as specified by Baba, Engle, Kraft and Kroner. We establish conditions under which moments of order superior to ergodicit of certain constrained models are presented. Finally we propose a general framework for multivariate ARCH models as diffusion approximations
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McDavid, Charles Scott. "Weight optimum arch structures." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA245954.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, December 1990.
Thesis Advisor(s): Salinas, David. "December 1990." Description based on title screen as viewed on April 1, 2010. DTIC Identifier(s): Arches, Stress Analysis, Weight, Finite Element Analysis, Computer Programs, Optimization, Theses, Degrees Of Freedom, FORTRAN, Stiffness, Case Studies. Author(s) subject terms: Finite Element Method, Arches, Weight Optimization. Includes bibliographical references (p. 107). Also available in print.
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Hashemidehaghi, Sogol. "The Isfahan's inhabited arch bridges." Master's thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/27681.

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Ispahan est l’une des villes historiques qui se trouve au centre d'Iran. La ville est célebre pour sa belle architecture islamique. ses ponts couverts, ses mosquées uniques et ses minarets. Cela a fait d'lspahan le titre de "la moitié du monde " dans la culture populaire. Les cinq ponts historiques Zayandeh Rud à lspahan sont un chef-d'oeuvre de l'architecture iranienne, conçus non seulement pour le passage des individus. mais aussi pour traverser les confins de ce monde. la compréhension des valeurs matérielles et imnmatérielles existant dans les ponts historiques d'Ispahan afin. deles protégeres l’un des objectifs principaux de cette thèse. La compréhension des techniques de construction des ponts-arcades à lspahan et ses changements au fil du temps est autre buts de cette recherche qui montre l'intelligence et les talents des lraniens dans la construction de ponts. non seulement en tant que lieu de passage. mais également en tant que lieu de réflexion, de divertissement et de rassemblement, ainsi qu'une structure technique telle que barriêre permettant de contrôler l'écoulernent d'eau; Abstract: lsfàhan is one of the historic cities in the center of lran. This city is the third most populated city of lran which is also rich in history, art and architecture. The largest river of lranian Plateau in central part Iran which name is Zayandeh-Rud also crosses Isfahan and from the past to the present day, this river played an important role in the formation of the civilization and development of the city of lsfàhan. Therefore, due to the constant development of Isfahan throughout history, as well as the existence of a Zayandeh-Rud flow, numerous bridges were built with a various function in this city. These bridges were designed to connect water, wind, nature and the human being in a particular architectural concept. They were not just designed for passage of the individuals or just for connecting two banks of river, but their purpose was also to link spiritual advancernent and human understanding. They have been designed in the way which makes the pedestrians to stay, watch the beauty of nature, listen to it and think. Since the Isfahan’s bridges have different functions, they can be categorized into inhabited bridges.
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Sepúlveda, Ana Margarida Queirós. "Modelos Heterocedásticos - ARCH e GARCH." Master's thesis, Faculdade de Economia da Universidade do Porto, 2010. http://hdl.handle.net/10216/57365.

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Rönty, T. (Teemu). "ARCH-mallit tuoton volatiliteetin mallintamisessa." Bachelor's thesis, University of Oulu, 2018. http://urn.fi/URN:NBN:fi:oulu-201805231888.

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Goh, Julian Kok Seng. "Analysis of Pressurized Arch-Shells." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/35576.

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A pressurized arch-shell structural component made of flexible material is considered. The component is inflated with high internal pressure. The behavior of similar types of structures, such as a pair of leaning pressurized arches and pressurized arch-supported membrane shelters, has been investigated in the past. More recently, several types of pressurized structures have been incorporated as part of the framework for a variety of structural systems. Particularly, the U.S. Army has been investigating the use of large lightweight and transportable pressurized arch-shell structures to be used as maintenance shelters for vehicles, helicopters, and airplanes. The formulated equations using thin shell theory are applied to a pressurized arch-shell component. A numerical investigation based on the Rayleigh-Ritz method is utilized to determine the behavior of arch-shells under various types of loading. The types of loading include a uniformly distributed vertical load representing snow, a wind load, and a horizontal side load distributed along the arc length. Deflections, stress resultants, and moments at various locations are computed for two types of shapes: circular and non-circular arch-shells.
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Gabra, Joseph Nageh. "Biomechanics of the Carpal Arch." Cleveland State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=csu1440155265.

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Books on the topic "ARCH"

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Goldsworthy, Andy. Arch. New York: H.N. Abrams, 1999.

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Press, Scripps College, ed. Arch. [Claremont, Calif.]: Scripps College Press, 2010.

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1932-, Craig David, ed. Arch. New York: H.N. Abrams, 1999.

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Arch. [Ann Arbor, MI]: Tuumba Press, 2019.

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Pedro, José O., ed. Arch Dams. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2488-8.

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Nørgård, Lars. Arch support. [Denmark]: PLAGIaT, 1987.

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Arch enemy. Minneapolis: Darby Creek, 2013.

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Arch angels. New York: Thomas Dunne Books, 2004.

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Jenny, Tulip, and Wyn Delyth, eds. Arch Noa. Bangor: Cyhoeddiadau'r Gair, 1996.

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Vivian, Bower, and New York Graphic Society, eds. The Arch. Boston: Little, Brown, 1988.

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Book chapters on the topic "ARCH"

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Hicks, B. B. "Arch." In Topics in Micrometeorology. A Festschrift for Arch Dyer, 1–8. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2935-7_1.

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Pedro, J. O. "Safety and Performance of Arch Dams." In Arch Dams, 1–78. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2488-8_1.

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Fanelli, M. "Models and Methods of Analysis." In Arch Dams, 79–288. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2488-8_2.

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Severn, R. T. "Dynamic Behaviour of Arch Dams." In Arch Dams, 289–403. Vienna: Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-2488-8_3.

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Mtika, Wema Meranda, Helena Wilcox, and Nicole Feune De Colombi. "Stakeholder Mapping Tool for ARCH." In ARCH. The Global Health Network, 2021. http://dx.doi.org/10.48060/tghn.5.

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This tool contains a step-by-step guide to stakeholder mapping in research uptake. This methodology has been adapted from several methodologies identified in a stakeholder mapping methodology scoping exercise.
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Mtika, Wema Meranda, Helena Wilcox, and Nicole Feune De Colombi. "Stakeholder Engagement for ARCH." In ARCH. The Global Health Network, 2021. http://dx.doi.org/10.48060/tghn.6.

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For research uptake to be effective, there is need to involve relevant individuals, groups, organisations, and institutions. Stakeholder mapping enables one to identify these groups, as well their importance in research uptake, and how to engage with them. In this document, we highlight steps of stakeholder mapping in research uptake, as adapted from literature.
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Bollerslev, Tim. "Modelling the Coherence in Short-run Nominal Exchange Rates: A Multivariate Generalized ARCH Model." In Arch, 300–313. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198774310.003.0014.

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Abstract A multivariate time-series model with time-varying conditional variances and covariances, but constant conditional correlations is proposed. In a multivariate regression framework, the model is readily interpreted as an extension of the Seemingly Unrelated Regression (SUR) model allowing for heteroskedasticity. Parameterizing each of the conditional variances as a univariate Generalized Autoregressive Conditional Heteroskedastic (GARCH) process, the descriptive validity of the model is illustrated for a set of five nominal European US dollar exchange rates following the inception of the European Monetary System (EMS). When compared to the pre-EMS free-float period, the comovements between the currencies are found to be significantly higher over the later period.
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Nelson, Daniel B. "Conditional Heteroskedasticity in Asset Returns: A New Approach." In Arch, 87–113. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198774310.003.0005.

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Abstract GARCH models have been applied in modelling the relation between conditional variance and asset risk premia. These models, however, have at least three major drawbacks in asset pricing applications: (i) Researchers beginning with Black (1976) have found a negative correlation between current returns and future returns volatility. GARCH models rule this out by assumption. (ii) GARCH models impose parameter restrictions that are often violated by estimated coefficients and that may unduly restrict the dynamics of the conditional variance process. (iii) Interpreting whether shocks to conditional variance “persist” or not is difficult in GARCH models, because the usual norms measuring persistence often do not agree. A new form of ARCH is proposed that meets these objections. The method is used to estimate a model of the risk premium on the CRSP Value-Weighted Market Index from 1962 to 1987.
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Engle, Robert F., and Gloria Gonzalez-Rivera. "Semiparametric ARCH Models." In Arch, 114–44. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198774310.003.0006.

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Abstract This article introduces a semiparametric autoregressive conditional hetero scedasticity (ARCH) model that has conditional first and second moments given by autoregressive moving average and ARCH parametric formulations but a conditional density that is assumed only to be sufficiently smooth to be approximated by a nonparametric density estimator. For several particular conditional densities, the relative efficiency of the quasi-maximum likelihood estimator is compared with maximum likelihood under correct specification. These potential efficiency gains for a fully adaptive procedure are compared in a Monte Carlo experiment with the observed gains from using the proposed semiparametric procedure, and it is found that the estimator captures a substantial proportion of the potential. The estimator is applied to daily stock returns from small firms that are found to exhibit conditional skewness and kurtosis and to the British pound to dollar exchange rate.
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Noh, Jaesun, Robert F. Engle,, and Alex Kane. "Forecasting Volatility and Option Prices of the S&P 500 Index." In Arch, 314–31. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198774310.003.0015.

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Abstract Models using implied volatility derived from observed option prices are commonly employed to forecast future option prices. The ARCH model proposed by Engle, however, models the dynamic behavior in volatility, forecasting future volatility using only an asset’s return series. We assess the performance of these two volatility prediction models for S&P 500 index options over the April 1986 to December 1991 period.
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Conference papers on the topic "ARCH"

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Dominovic, Christiane. "ARCH." In the 6th International Conference. New York, New York, USA: ACM Press, 2008. http://dx.doi.org/10.1145/1497185.1497271.

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Dominovic, Christiane. "ARCH." In the 11th International Conference. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1806338.1806366.

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Galanos, Theodoros, Antonios Liapis, Georgios N. Yannakakis, and Reinhard Koenig. "ARCH-Elites." In GECCO '21: Genetic and Evolutionary Computation Conference. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3449726.3459490.

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Okuda, Shinya, and Saurabh Bhagra. "Cloud Arch." In eCAADe 2013 : Computation and Performance. eCAADe, 2013. http://dx.doi.org/10.52842/conf.ecaade.2013.1.625.

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Okuda, Shinya, and Saurabh Bhagra. "Cloud Arch." In eCAADe 2013 : Computation and Performance. eCAADe, 2013. http://dx.doi.org/10.52842/conf.ecaade.2013.1.625.

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Fenu, Luigi, Eleonora Congiu, and Bruno Briseghella. "Curved deck arch bridges supported by an inclined arch." In IABSE Congress, Stockholm 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2016. http://dx.doi.org/10.2749/stockholm.2016.0273.

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<p>Curved arch bridges with curved deck supported by an inclined arch either through web members or without are studied. Reference to shell-supported bridges is first made. It must be taken into account that even if the deck is supported by a shell, its bottom free edge (usually stiffened) is described by a thrust line, so that the shell connects the curved deck (that is a horizontal arch) with an inclined 3D funicular arch. A limit case is that the ring girder of the curved deck and the funicular arch merge dividing the shell into two parts, so that, if shell thickness tends to zero, no shell connects them. This is the case of curved bridges supported only at mid-span by an inclined arch. The efficiency of different arches is compared. Moreover, the deck can be supported not only at mid-span but also by web members connecting deck girder and inclined arch. In this latter case, the most appropriate form of the inclined arch is obtained.</p>
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Bantu, N. R., J. Marshall, T. Holt, D. Perry, and D. Khan. "Advanced ARCH resist." In 23rd Annual International Symposium on Microlithography. SPIE, 1998. http://dx.doi.org/10.1117/12.312368.

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Stráský, Jiří, Tomas Romportl, Pavel Kaláb, and Leonard Šopík. "New Arch Footbridges." In Footbridge 2022 (Madrid): Creating Experience. Madrid, Spain: Asociación Española de Ingeniería Estructural, 2021. http://dx.doi.org/10.24904/footbridge2022.238.

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<p>Four arch pedestrian and cyclist bridges built in the USA, Slovakia and in the Czech Republic are described in terms of their architectural and structural solution, static and dynamic behaviour, and technology of their construction. The bridges with span length up to 104 m have slender decks which are suspended on arches of a butterfly arrangement. The dynamic analysis proved that all structures are comfortable to users. The footbridges are structurally efficient, they are light and transparent, correspond to the scale of the landscape and all structural members have human dimensions.</p>
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Rocco, A., D. V. Oliveira, E. Garbin, and F. M. Fernandes. "Analysis of the "Ponte do arco" Stone Masonry Arch Bridge." In IABSE Symposium, Wroclaw 2020: Synergy of Culture and Civil Engineering – History and Challenges. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2020. http://dx.doi.org/10.2749/wroclaw.2020.0934.

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<p>The “Ponte do Arco” stone masonry arch bridge is located in the north of Portugal, in the municipality of Marco de Canaveses, district of Porto. The bridge is immersed in a remote natural environment and is part of the Romanesque Route, which links buildings and structures built in the area during the Romanesque Period. The “Ponte do Arco” bridge is a fine example of this type of architecture and, therefore, it deserves devoted conservation and maintenance works. The geometry of the bridge, the internal structure of the pavement and the damage state were characterised by using two non-destructive techniques, photogrammetry and ground penetrating radar, and by performing a damage survey. The data collected was used to perform limit and finite element analyses in order to estimate the structural safety level of the structure. The paper presents the structural appraisal, resulting from the non-destructive surveys and the numerical analyses.</p>
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Thalmann, Felix, Ulrich von Zadow, Marcel Heckel, and Raimund Dachselt. "X-O Arch Menu." In the Ninth ACM International Conference. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2669485.2669539.

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Reports on the topic "ARCH"

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Traczinski, Adriana, Felipe Carvalho de Macêdo, Ivete Aparecida de Mattias Sartori, and José Mauro Granjeiro. Advantages and limitations related to the rehabilitation of edentulous jaw with implant supported prostheses made of monolithic zirconia: systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, January 2022. http://dx.doi.org/10.37766/inplasy2022.1.0111.

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Review question / Objective: P: edentulous maxillary arch; I: Full arch rehabilitation with monolithic zirconia or veneered prosthesis retained by implants; C: none; O: Biomechanical complications (framework fracture, chipping, complications, advantages, limitations); S: RCT, nor randomized clinical trials. Condition being studied: Biomechanical complications resulting from the oral rehabilitation of edentulous maxillary arch through the use of implant-supported full arc prostheses made of monolithic zirconia. Eligibility criteria: Total edentulous maxillary arch patients; rehabilitated with implants; monolithic zirconia prostheses with full contour or vestibular face with application of feldspathic ceramics or full veneered or with segmented zirconia crowns; the condition of the opposing arch must be described; the number of maxillary implants that support the prosthesis must be a minimum of 4 implants.
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Hamilton, James. Macroeconomics and ARCH. Cambridge, MA: National Bureau of Economic Research, June 2008. http://dx.doi.org/10.3386/w14151.

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Nelson, Daniel. Asymptotically Optimal Smoothing with ARCH Models. Cambridge, MA: National Bureau of Economic Research, August 1994. http://dx.doi.org/10.3386/t0161.

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Clark, David, Karen Sollins, John Wroclawski, Dina Katabi, and Joanna Kulik. Future Generation Network Architecture (New Arch). Fort Belvoir, VA: Defense Technical Information Center, June 2004. http://dx.doi.org/10.21236/ada425221.

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Wang, Wenlin. Minimally invasive operation for costal arch deformity. Science Repository OÜ, July 2018. http://dx.doi.org/10.31487/j.scr.2018.02.004.

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Nelson, Daniel, and Dean Foster. Asypmtotic Filtering Theory for Univariate Arch Models. Cambridge, MA: National Bureau of Economic Research, April 1994. http://dx.doi.org/10.3386/t0129.

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Nelson, Daniel. Asymptotic Filtering Theory for Multivariate ARCH Models. Cambridge, MA: National Bureau of Economic Research, August 1994. http://dx.doi.org/10.3386/t0162.

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Mayr, U. Lower Devonian redbeds near Bache Peninsula Arch. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2008. http://dx.doi.org/10.4095/226141.

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Mayr, U. Lower Devonian redbeds near Bache Peninsula Arch. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2009. http://dx.doi.org/10.4095/289643.

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Demchyna, Bohdan, and Yaroslav Shydlovskyi. Recommendations for Designing Wooden Arches on Metal-toothed Plates. Intellectual Archive, March 2021. http://dx.doi.org/10.32370/ia_2021_03_18.

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This paper presents the findings of the pilot studies and recommendations for designing of two-hinged wooden arches. The prototype models of wooden arches with the span of 6mand the rise of 1m were designed. The models had a rectangular cross-section of 180x40mm and a T-section of 180x40mm with a plywood plate with the thickness of 6 mm and the width of 500mm. The main objective of the T-section was to ensure the stability of the arch. Each arch was composed of six segments –boards joined by clamping plates. The bowstring truss including two inclined tie bars enables carrying asymmetric loads and provides in-plane stability of the arch. A methodology for laboratory testing of the prototype models of wooden arches subjected to different types of loads was developed. Two prototypes of wooden arches were tested with rectangular cross-sections and two T-section ones subjected to the loading across the span, and two prototypes subjected to the half-span loading. In total, eight arches were tested. Deflections of arches, cross-section deformations and arch thrust force were recorded. The arches were tested until failure. The results of testing revealed insufficient stability of the arches with rectangular cross-section in the horizontal plane. For the arches with T-section the whole arch rib was damaged, the in-plane stability was ensured by the T-section. The collapsing force of the T-section arch was about 1.3 times greater than the collapsing force of the rectangular section arches.
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