Literatura científica selecionada sobre o tema "Fragment"

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Artigos de revistas sobre o assunto "Fragment"

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Fatia, Salma, Muhammad Ainul Yaqin e Adi Heru Utomo. "Common Process Extraction pada Model Proses Bisnis Tebang Muat Angkut (TMA)". Jurnal Teknologi Informasi dan Terapan 7, n.º 2 (18 de dezembro de 2020): 71–76. http://dx.doi.org/10.25047/jtit.v7i2.162.

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Abstract— In an organizational environment, there are various business process models with the same procedures. If an organization builds a system with the same procedure repeatedly, it will undoubtedly incur a lot of effort and money. Therefore, it is necessary to extract common fragments to save effort. This research uses four scenarios of business process models: sequence, branching, nested branching, and looping. This study uses Business Process Modeling Notation (BPMN) notation so that the process model consists of activities, connectors, and gateways. Structural similarity is measured using the Jaccard similarity formula by comparing the process model. The similarity of behavior is measured using the Transition Adjacency Relations (TARs) method to obtain common fragments. The results show that the sequence process model will produce a common fragment that tends to be sequential too. The branching will produce a common fragment that tends to branch, and nested branching will produce a common fragment that tends to be branched and nested, as well as looping will produce a common fragment contains looping too. The experimental results show that the proposed method can extract common fragments based on the available business process models. Keywords—BPMN; common fragment; behavioral similarity; TARs Abstrak— Dalam lingkungan organisasi, terdapat berbagai model proses bisnis dengan prosedur yang sama. Jika suatu organisasi membangun sistem dengan prosedur yang sama secara berulang-ulang, niscaya akan mengeluarkan banyak tenaga dan biaya. Oleh karena itu, perlu mengekstrak fragmen umum untuk menghemat tenaga. Penelitian ini menggunakan empat skenario model proses bisnis yaitu sequence, branching, nested branching, dan looping. Penelitian ini menggunakan notasi Business Process Modeling Notation (BPMN) sehingga model proses terdiri dari aktivitas, konektor, dan gateway. Kemiripan struktural diukur menggunakan rumus kemiripan Jaccard dengan membandingkan model proses. Kesamaan perilaku diukur menggunakan metode Transition Adjacency Relations (TARs) untuk mendapatkan fragmen yang sama. Hasil penelitian menunjukkan bahwa model sequence process akan menghasilkan common fragment yang cenderung berurutan juga. Percabangan akan menghasilkan fragmen umum yang cenderung bercabang, dan percabangan bersarang akan menghasilkan fragmen umum yang cenderung bercabang dan bersarang, serta perulangan akan menghasilkan fragmen umum yang berisi perulangan juga. Hasil eksperimen menunjukkan bahwa metode yang diusulkan dapat mengekstrak fragmen umum berdasarkan model proses bisnis yang tersedia. Keywords—BPMN; common fragment; kemiripan perilaku; TARs
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Scappaticcio, Maria Chiara. "Dalla calligrafia alla letteratura: schegge di esametri latini in un’esercitazione scrittoria d’Egitto". Revue des Études Anciennes 123, n.º 1 (2021): 221–33. http://dx.doi.org/10.3406/rea.2021.6985.

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La publication d’une nouvelle édition d’un fragment d’un exercice de calligraphie en latin, en provenance d’Egypte, et datant du premier siècle ap. J-C. (P. Mich. VII 459, in ZPE 2020), a permis d’identifier deux séquences textuelles. Ces deux fragments hexamétriques ne peuvent avec certitude être rattachés à un texte ou même à un auteur connu, mais semblent toutefois appartenir au genre épique. Le premier fragment consiste en une invocation à Jupiter (Iuppiter omnipotens). Le deuxième est un adjectif rarissime, auricomus/ lauricomus. Sans prétendre à une paternité certaine, ces deux possibles fragments d’hexamètres latins peuvent enrichir la collection des Fragmenta poetarum Latinorum anonymes.
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Allen, David. "Fifth Fragment from Seven Fragments". Janus Head 4, n.º 2 (2001): 356. http://dx.doi.org/10.5840/jh20014233.

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Riedweg, Christoph. "TrGF 2.624 – A Euripidean Fragment". Classical Quarterly 40, n.º 1 (maio de 1990): 124–36. http://dx.doi.org/10.1017/s0009838800026835.

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In the authoritative new collection of the Tragicorum Graecorum Fragmenta (TrGF), a five-trimeter passage appears as No. 624 in the second volume which contains the ‘Fragmenta adespota’. Whereas Nauck placed the lines among the ‘Fragmenta dubia et spuria’ of Euripides (Eur. fr. 1131), Kannicht and Snell separate them totally from the Euripidean fragments and associate them with various pseudepigraphical pieces of tragic poetry which are commonly thought to have originated in the ‘workshop of a Jewish forger’. The purpose of my article is to challenge this decision and to show that TrGF 2.624 may well be genuine poetry by Euripides if we restore the lines to their probable original form. An attempt to reconstruct the original context of the fragment will also be added.
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Kotelevskaya, Vera V. "ON THE WAYS OF FRAGMENTED WRITING (SEVEN FRAGMENTS)". Practices & Interpretations: A Journal of Philology, Teaching and Cultural Studies 7, n.º 2 (1 de junho de 2022): 183–96. http://dx.doi.org/10.18522/2415-8852-2022-2-183-196.

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I offer an ensemble of seven fragments featuring modernist and postmodernist authors who practiced fragmentary writing. Fragmented writing is seen as a way of addressing the epistemological problem of part and whole, the aesthetic architectonics of part and whole, as well as existential issues (death, end / nonfinalism). Accordingly, through the prism of modernist artists (Schwitters, Bellmer, Rilke, Mandelstam), the attitude to fragment and whole is demonstrated, which forms a special poetics of dissociation of speech, reconstruction and deconstruction of artifact body and novel character, subversion of narrative mechanisms, including problematization of visual work frame, beginning and end of narrative text. It is revealed that the destructed, fragmented image of the world is often expressed in traditional genres or exploited by stylizing and parodying them. Wittgenstein, Benjamin, Adorno and Hamacher are considered as philosophers and philologists who have chosen the form of fragment (collection of aphorisms, notes and extracts, quotations). In their modus operandi of reflection and style there is a connection with the early Romantic tradition of the fragment, according to which the fragment is both an isolated, completed short text and part of the whole (in the pragmatic sense, an ensemble of fragments; in the epistemological sense, an absolute whole). For Schlegel and Novalis the connection between the fragment and the whole was thought of as an anticipation of the whole in an infinite series of acts of reflection: the whole is unattainable, but the process is infinite. In the 20th and 21st centuries the difficulty, up to complete negation in poststructuralism, of grasping the transcendental signifier evokes a sense of melancholy and nostalgia, and provokes a utopian return to archaic, ascetic escapism. Fragmented writing thus becomes a form of reaction to the modernist acceleration of time, the instrumentalization of the mind and the alienation of the person. The review presented here is stylized in the form of notes-fragments, linked by leitmotifs and a number of ideas that allow not only the construction but also the problematization of fragmented writing.
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Fernández-Juricic, Esteban. "Local and Regional Effects of Pedestrians on Forest Birds in a Fragmented Landscape". Condor 102, n.º 2 (1 de maio de 2000): 247–55. http://dx.doi.org/10.1093/condor/102.2.247.

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Abstract I assessed the effects of pedestrians on the distribution of forest bird species in wooded parks in the city of Madrid within and between fragments. Within fragments, increasing levels of pedestrians reduced species richness and overall abundance of individuals within circular plots. The abundance of foraging individuals of four species (Magpies Pica pica, Blackbirds Turdus merula, Starlings Sturnus unicolor, and Woodpigeon Columba palumbus) diminished when pedestrians walked near sampling plots, as well as their breeding densities in relation to increasing disturbance levels. Between fragments, after controlling for fragment size effects, pedestrian rate was negatively related to species richness in two breeding seasons. Species turnover was positively associated to mean pedestrian rate and inter-annual variability in pedestrian rate. At the species level, pedestrian rate negatively affected the probabilities of fragment occupation of 16 species beyond the effects of fragment size and isolation. Locally, the short-term behavioral responses to visitors may reduce the suitability of highly disturbed parks in such a way as to decrease breeding densities and the probabilities of fragment occupation and persistence. The effects of human disturbance in fragmented landscapes should be incorporated into management decisions as another relevant factor that may reduce habitat quality.
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HARRINGTON, G. N., A. N. D. FREEMAN e F. H. J. CROME. "The effects of fragmentation of an Australian tropical rain forest on populations and assemblages of small mammals". Journal of Tropical Ecology 17, n.º 2 (março de 2001): 225–40. http://dx.doi.org/10.1017/s0266467401001158.

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Small mammals were trapped in four rain forest fragments (3, 8, 20 and 97 ha), in an agricultural landscape, and in comparable continuous tropical rain forest in north Queensland, Australia over 2 y. The most frequently captured species were four murid rodents. Melomys cervinipes were captured in similar numbers in both continuous and fragmented forest. This species achieves greatest abundance at forest edges and this study suggests that edges of fragments and edges of continuous forest will support similar densities. Abundance of Uromys caudimaculatus was positively correlated with size of fragment and peaked in continuous forest. This species had a home range larger than the smaller fragments and was thus disadvantaged but its ability to utilize the agricultural matrix between fragments mitigated the effect. Rattus leucopus and R. fuscipes were most abundant in fragments and continuous forest respectively but both species occurred in similar abundance in the 97-ha fragment. This suggests their population size is related to habitat rather than competitive exclusion as previously postulated. Ordination of the populations of the nine most commonly captured mammals, separated the fragment and continuous sites but placed the largest fragment closest to the continuous sites. The contrasting response of the two Rattus spp. was the primary influence on the ordination. Second in importance was Trichosurus vulpecula, a folivorous possum, which was absent from the continuous sites. The fragments may have had more nutrient-rich, pioneer tree foliage than continuous forest. Isoodon macrourus, Perameles nasuta, Antechinus godmani and Uromys hadrourus also showed positive or negative response to fragmentation. Species utilizing the matrix between forest fragments and species adapted to forest edge are advantaged by the fragmentation process whereas forest specialists tend to extinction in fragments, particularly where the home range of the animal is not many times smaller than the fragment.
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Vinnikov, Vladimir, Maria Gritsevich e Leonid Turchak. "Shape estimation for Košice, Almahata Sitta and Bassikounou meteoroids". Proceedings of the International Astronomical Union 10, S306 (maio de 2014): 394–96. http://dx.doi.org/10.1017/s1743921314013519.

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AbstractThis paper is concerned with a meteoroid shape estimation technique based on statistical laws of distribution for fragment masses. The idea is derived from the experiments that show that brittle fracturing produces multiple fragments of size lesser than or equal to the least dimension of the body. The number of fragments depends on fragment masses as a power law with exponential cutoff. The scaling exponent essentially indicates the initial form of the fragmented body. We apply the technique of scaling analysis to the empirical data on the mass distributions for Košice, Almahata Sitta and Bassikounou meteorites.
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Khudyakov, Maxim, Arcady V. Dyskin e Elena Pasternak. "Continuum model of wave propagation in fragmented media: linear damping approximation". Nonlinear Processes in Geophysics 24, n.º 3 (10 de agosto de 2017): 461–66. http://dx.doi.org/10.5194/npg-24-461-2017.

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Abstract. Energy dissipation during wave propagation in fragmented geomaterials can be caused by independent movement of fragments leading to energy loss on their impact. By considering a pair of impacting fragments at times much greater than the period of their oscillations, we show that at a large timescale, the dynamics of the pair can be described by a linear viscous model with damping coefficients expressed through the restitution coefficient representing energy loss on impact. Wave propagation in fragmented geomaterials is also considered at the large timescale assuming that the wavelengths are much larger than the fragment sizes such that the attenuation associated with wave scattering on the fragment interfaces can be neglected. These assumptions lead to the Kelvin–Voigt model of damping during wave propagation, which allows the determination of a dispersion relationship. As the attenuation and dispersion are not related to the rate dependence of rock deformation, but rather to the interaction of fragments, the increased energy dispersion at low frequencies can be seen as an indication of the fragmented nature of the geomaterial and the capacity of the fragments for independent movement.
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Németh, András. "Mismatching Fragments from the Excerpta Constantiniana". Vatican Library Review 2, n.º 2 (18 de dezembro de 2023): 185–212. http://dx.doi.org/10.1163/27728641-00202004.

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Abstract The Excerpta Constantiniana, the scarce remains of the Byzantine Emperor Constantine VII’s (sole r. 945–959) ambitious project to systematize historical works in Greek, has been long understood as a rich repository of fragments from historical texts that no longer survive in their entirety. Since the late sixteenth century, this notion encouraged antiquarian philologists to assemble fragments from otherwise lost works. The concept of reassembling fragments into lost wholes relied on the analogy of solid objects which are fragmented and can be re-unified, implying the uniformity of a single fragment. The case of the dialogue between Polybius and the weeping Scipio Aemilanus is particularly illustrative. It was first excavated as a solid fragment from Appian and became a Polybian fragment for centuries. The discovery of two versions, a legible one from Diodorus and the illegible from Polybius encouraged the reconstruction of the Polybian version based on the alternative versions, especially Appian’s. The new reading of the Polybian version in Vat. gr. 73, facilitated by multispectral photography, demonstrates that such reconstructions were at some points incorrect.
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Teses / dissertações sobre o assunto "Fragment"

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Ek, Isabella. "Fragment". Thesis, Konstfack, Textil, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-6779.

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Garrigues, Pierre. "Poétiques du fragment". Lille : A.N.R.T. Université de Lille III, 1994. http://bibpurl.oclc.org/web/19664.

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Dyantyi, Mbongisi Orlean. "A bone fragment". Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1015677.

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This novella presents three characters, each occupying a different sphere of reality. One is a ‘living dead’ who is forced to return to the land of the living for his continued existence. The other is a young woman who, having lost the will to live, must find a purpose if she is to continue living. The third is a young man who dwells more in the inner than the external world. Their lives intersect through the scripture known as ‘a fragment of a bone.’
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Giancola, Donna M. "Parmenides: fragment three". Thesis, Boston University, 1994. https://hdl.handle.net/2144/37150.

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Thesis (Ph.D.)--Boston University
PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.
The purpose of this thesis is to understand and evaluate, in the context of his monism, the meaning and implications of Fragment Three of Parmenides' poem. This fragment, itself incomplete, reads as follows: ... tò γáp αùtò voεîV εótiv tε Kαi εîvαi Which can be translated as: . . . for this is the same, to think and to be There is no disagreement that in Fragment Three Parmenides is in some way relating voεîv ("thinking") to εîvαi ("being"). The primary, but not the only problem which it poses is this: in the identification between thinking and being, are these words a mere statement that being is intelligible, or are they an assertion that Being is intelligent? Most modern commentators side with the former interpretation which accords with the view that reality/being is ultimately objective and impersonal. To maintain this position they are forced to construe the active infinitive voεîv as passive in meaning, with the further corollary that this verb-form implies mere possibility. The first proponent of this interpretation, Eduard Zeller, provided no justification for it. Post factum attempts by John Brunet and Uvo Holsher to provide the needed justification have proven to be groundless. The linguistic and literary evidence points overwhelmingly to the active meaning. Further, the prima facie interpretation of the parallel texts within the poem, as well as all the extant ancient testimonia (Clement of Alexandria, Plotinus, Proclus) support the active meaning. This thesis differs, then, from those interpretations which assume that Fragment Three distinguishes (thinking) subject from (inanimate) object; as well as from the view adopted by Heidegger that it means merely that being is the only possible object of knowledge. The conclusion of this thesis is that for Parmenides "to think" is identical with "to be" absolutely, that Being is not only one, but is alive and the center of consciousness, i.e. is Mind. Hence the fundamental question which Parmenides' poem answers is not "What is being?" but rather, "What is the way to the One-Who-Is?"
2031-01-01
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Craan, Tobias Friedrich [Verfasser], e Gerhard [Akademischer Betreuer] Klebe. "Fragment based Drug Discovery : Design and Validation of a Fragment Library ; Computer-based Fragment Screening and Fragment-to-Lead Expansion / Tobias Friedrich Craan. Betreuer: Gerhard Klebe". Marburg : Philipps-Universität Marburg, 2011. http://d-nb.info/1013288807/34.

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Baddeley, Kate. "Ortholactone spiroketal fragment coupling". Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725334.

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A divergent synthesis of spiroketals has been developed via the coupling of ortholactone and allylsilane fragments. This work expands upon earlier efforts into an intramolecular silyl modified sakurai reaction reported by Marko et al. The route provides a simple approach towards the divergent synthesis of complex structures which could be used in the synthesis of natural products and pharmaceutical molecules. The scope of this reaction has been amplified by the development of a novel methodology towards the synthesis of ortholactones via an oxidative catalytic nucleopalladation system which has allowed for the synthesis of a vast range of synthetically useful and highly functionalised ortholactones from readily accessible dihydropyran building blocks. The utility of these highly functionalised ortholactones is also demonstrated in a stereoselective rearrangement to form a substantial number of gamma-lactone structures, which are a common motif in a wide variety of natural products.
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Bright, Kerrin John. "Fragment-based hit discovery". Thesis, University of York, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516627.

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Tanguay-Conlon, Kevin James. "A fragment of life". The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1303331570.

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Selander, Josefin. "Fragment från ett förortslandskap". Thesis, Konstfack, Textil, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-7780.

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Genom landskapsmåleriet sätt att observera och måla av har jag tolkat platsen Hallonbergen i bild. Utifrån bilderna har vävar och tredimensionella objekt vuxit fram. Mina skulpturer och tavlor pratar om mötet mellan naturens rörliga former och det mänskligt byggda statiska formerna. I Hallonbergen känns detta möte som extra hårt pågrund av husens raka blockiga uppbyggnad. Mina skulpturer och tavlor är miniatyrer av intryck jag fått av området.
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Ingvarsson, Sunniva. "Fem fragment om måleri". Thesis, Konstfack, Institutionen för Konst (K), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-7710.

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This bachelor essay presents some aspects of Sunniva Ingvarssons painting process.  Comparing the painterly act with writing (about the field of her practice) the text aims to grasp some outlooks on the use of words or verbal contentmaking connected to a nearly nonverbal expression.  The painted gestures and markmakings are being discussed as meaningless in a meaningful way, arguing whether the parameters of the established should be taken in consideration in the artistic research, or not.  Based on subjective experiences and some readings including Susan Sontag, Judith Butler (and Friedrich Schlegel) there is an aim to make the reader understand the eventual importance of the un-validated thoughts art possibly can consist of, with permission of only the artist.
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Livros sobre o assunto "Fragment"

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Fahy, Warren. Fragment. New York: Random House Publishing Group, 2009.

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Fahy, Warren. Fragment. Thorndike, Me: Center Point Pub., 2009.

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Norén, Lars. Fragment. Stockholm]: Albert Bonniers Förlag, 2015.

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Bogaert, Koen. Fragment. Oostkamp: Stichting Kunstboek, 2015.

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1947-, Camion Arlette, Université d'Orléans e Universität-Gesamthochschule-Siegen, eds. Über das Fragment =: Du fragment. Heidelberg: Universitätsverlag C. Winter, 1999.

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Fahy, Warren. Fragment: Roman. Paris: J.-C. Lattès, 2009.

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Cloutier, Colette. Fragment tendresse. [Trois Rivières]: Éditions Cri d'Espace, 1988.

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Kurska, Anna. Fragment romantyczny. Wrocław: Zakład Narodowy im. Ossolińskich, 1989.

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Różewicz, Tadeusz. Zawsze fragment. Wrocław: Wydawn. Dolnośląskie, 1996.

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Lévêque, Jean. Le fragment. Paris: Editions Osiris, 1989.

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Capítulos de livros sobre o assunto "Fragment"

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Peilert, G., T. C. Sangster, M. N. Namboodiri e H. C. Britt. "Fragment-Fragment Correlations". In NATO ASI Series, 233–41. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2516-5_20.

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Schumm, David, Dimka Karastoyanova, Frank Leymann e Steve Strauch. "Fragmento: Advanced Process Fragment Library". In Information Systems Development, 659–70. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9790-6_53.

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Mergenthaler, May. "Fragment". In Friedrich Schlegel-Handbuch, 306–9. Stuttgart: J.B. Metzler, 2017. http://dx.doi.org/10.1007/978-3-476-05370-1_72.

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Fetscher, Justus. "Fragment". In Ästhetische Grundbegriffe, 551–88. Stuttgart: J.B. Metzler, 2001. http://dx.doi.org/10.1007/978-3-476-00517-5_19.

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Fetscher, Justus. "Fragment". In Ästhetische Grundbegriffe, 551–88. Stuttgart: J.B. Metzler, 2010. http://dx.doi.org/10.1007/978-3-476-00521-2_19.

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Paessler, Hans H. "Fragment Reattachment". In New Techniques in Knee Surgery, 123–24. Heidelberg: Steinkopff, 2003. http://dx.doi.org/10.1007/978-3-642-57380-4_16.

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Powers, Robert, e Jennifer C. Copeland. "Fragment Screen". In Encyclopedia of Biophysics, 852–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_327.

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Uerlings, Herbert. "Fragment-Ästhetik". In Friedrich von Hardenberg, genannt Novalis, 215–27. Stuttgart: J.B. Metzler, 1991. http://dx.doi.org/10.1007/978-3-476-03377-2_14.

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Husserl, Edmund, e Ullrich Melle. "Erstes Fragment". In Husserliana, 272–92. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0599-9_8.

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Husserl, Edmund, e Ullrich Melle. "Zweites Fragment". In Husserliana, 293–329. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0599-9_9.

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Trabalhos de conferências sobre o assunto "Fragment"

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Walker, James D., Sidney Chocron, Donald J. Grosch e F. Michael Heim. "Crater Ejecta Fragments Size and Shape From Hypervelocity Impacts into AL 2024-T351 Aluminum From 4 to 6 KM/S". In 2022 16th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/hvis2022-55.

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Abstract Utilizing a large two-stage light gas gun, 3-cm-diameter spheres were impacted into Al 2024-T351 targets. The fragments were collected from the floor of the impact chamber and were analyzed. In particular, there is interest as to the fragment size distribution and the fragment shape distribution. The fragments were sorted in size, and those from roughly 0.1 g to 35 g were individually tabulated. This allowed the development of a fragment size distribution for these fragments. Then, all the fragments were optically analyzed to provide a quantitative characterization of their shape. The fragments are predominately flat, a shape that appears to correlate with an intersecting shear plane mechanism for the fragment formation in the crater formation. The fragment distribution shows that there are two different fragment formation mechanisms, which it is concluded are due to fragments formed in the interior of the crater entirely of interacting shear planes vs. those whose formation is influenced by the target free surface. The results are compared to other work on fragmentation.
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Borgmann, Tim. "fragment.0140.02b ('Silhouette') fragment.1207.0304.3 ('Glint')". In ACM SIGGRAPH 2008 art gallery. New York, New York, USA: ACM Press, 2008. http://dx.doi.org/10.1145/1400385.1400436.

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3

Schmalzer, Andrew M., John D. Yeager, Patrick R. Bowden, Daniel R. Guildenbecher e Joseph D. Olles. "Experiment guided simulation of multi-fragment impact into PBXs". In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-108.

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Abstract Multi-fragment impact of energetic materials can provide the impetus initiation and growth to detonation when shockwaves from these discrete fragments collide. The Sandia hydrocode CTH is used with reactive burn modeling to identify relationships between spherical fragment separation distances, variable fragment arrival timing, and initiability in energetic materials. This work demonstrates that detonation is most likely to occur is when multiple fragments collide with a surface simultaneously, because of the cumulative pressure rise of two equal colliding waves compared to the colliding waves generated by fragment impacts offset in time.
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4

Goodwin, C. A., M. F. Scully, V. Ellis e V. V. Kakkar. "THROMBIN BINDING FRAGMENT E GENERATED DURING FIBRINOGENOLYSIS". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642937.

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Binding of fibrinogen by thrombin was measured by inhibition of amidolysis of S2238 and found to be 12 μM. Upon digestion of fibrinogen with plasmin (0.16ugs/mg fibrinogen) for 4 hours at 37°C, thrombin binding activity remained in the supernatants upon heat treatment. The thrombin binding activity in the dialyzed supernatant reached a maximum after two hours coinciding with maximal release of B 1-42 and 45-39 KDa chain fragments. Measured immunologically, levels of fragment E at this time were 45% of the maximum generated after 4 hours digestion. FPA levels in the dialyzed supernatant (measured by RIA and HPLC) after thrombin treatment, were zero and did not increase until 1½ hours after the beginning of digestion, reaching a maximum at 4 hours. The thrombin binding activity generated was stable to further plasmin action. Upon gel chromatography of 2 and 4 hour supernatants, thrombin binding activity coincided closely with fragment E, measured immunologically. Further purification showed the fragment to have Ki for thrombin amidolytic activity of 0.5μM. The fragment also inhibited the thrombin clotting time of plasma but did not affect fibrin monomer polymerization.The fragment was susceptible to very slow inactivation by thrombin but not arvin (though it did inhibit arvin amidolytic activity). A thrombin binding (thrombin inhibitory) fragment is therefore generated during the early stages of f ibrinogenolysis and may be the result of protection by 45 and 39 KDa A α carboxy terminus fragments since E fragments generated in later stages (in the presence of 29 and 25 KDa fragments) do not have this property. These findings may give interesting new insight into thrombin/fibrinogen interaction.
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5

Podlesskaya, V. I. "Prosodic portrait of the Russian connector PRICHOM in the mirror of the multimedia corpus". In INTERNATIONAL CONFERENCE on Computational Linguistics and Intellectual Technologies. RSUH, 2023. http://dx.doi.org/10.28995/2075-7182-2023-22-442-451.

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Based on data from the multimedia subcorpus of the Russian National Corpus, the paper addresses prosodic features of discourse fragments introduced by the connector prichom ‘and besides’. The data of instrumental and perceptual analysis show that the fragment with prichom has communicative-prosodic autonomy: firstly, it has an internal thematic structure with an obligatory rheme and an optional theme; and secondly, there is a prosodic break before this fragment. The autonomy of the fragment introduced by prichom is preserved in a variety of contexts: (i) both in cases where this fragment is a complete clause and when it is a fragmented clause; (ii) both in those cases when the previous fragment is prosodically realized as final (projecting no continuation), and when it is realized as non-final (projecting continuation); (iii) both in those cases when the fragment introduced by prichom is an element of the main narrative chain, and when it is inserted parenthetically inside another fragment. In addition to the above, a fragment with prichom can form a separate turn in the conversation. Thus, the detected prosodic features of the fragment with prichom make it possible to objectify the idea earlier expressed in the literature (Kiselyova 1971, Vinogradov 1984, Inkova 2018, inter alia): that structures with prichom are built in two "communicative steps", or that they are used to express "concomitance established at the level of speech acts ". Clauses connected by the relationship of syntactic subordination quite often lose their prosodic autonomy (Podlesskaya 2014 a, b), and vice versa, clauses in coordinated constructions tend to retain prosodic autonomy. Therefore, the prosodic autonomy of the components of the construction with prichom, retained in various contexts, speaks in favor of its coordinated status, while a number of syntactic tests proper speak of the opposite.
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Kasahara, Shunichi, Satoru Higa e Akihiro Komori. "Fragment shadow". In SIGGRAPH '19: Special Interest Group on Computer Graphics and Interactive Techniques Conference. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3306306.3328003.

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7

Sharef, Nurfadhlina Mohd, e Yun Shen. "Text fragment extraction using incremental evolving fuzzy grammar fragments learner". In 2010 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2010. http://dx.doi.org/10.1109/fuzzy.2010.5584010.

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8

Littlewood, David, Stewart Silling e Paul Demmie. "Identification of Fragments in a Meshfree Peridynamic Simulation". In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65400.

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The peridynamic theory of solid mechanics provides a natural framework for modeling constitutive response and simulating dynamic crack propagation, pervasive damage, and fragmentation. In the case of a fragmenting body, the principal quantities of interest include the number of fragments, and the masses and velocities of the fragments. We present a method for identifying individual fragments in a peridynamic simulation. We restrict ourselves to the meshfree approach of Silling and Askari, in which nodal volumes are used to discretize the computational domain. Nodal volumes, which are connected by peridynamic bonds, may separate as a result of material damage and form groups that represent fragments. Nodes within each fragment have similar velocities and their collective motion resembles that of a rigid body. The identification of fragments is achieved through inspection of the peridynamic bonds, established at the onset of the simulation, and the evolving damage value associated with each bond. An iterative approach allows for the identification of isolated groups of nodal volumes by traversing the network of bonds present in a body. The process of identifying fragments may be carried out at specified times during the simulation, revealing the progression of damage and the creation of fragments. Incorporating the fragment identification algorithm directly within the simulation code avoids the need to write bond data to disk, which is often prohibitively expensive. Results are recorded using fragment identification numbers. The identification number for each fragment is stored at each node within the fragment and written to disk, allowing for any number of post-processing operations, for example the construction of cumulative distribution functions for quantities of interest. Care is taken with regard to very small clusters of isolated nodes, including individual nodes for which all bonds have failed. Small clusters of nodes may be treated as tiny fragments, or may be omitted from the fragment identification process. The fragment identification algorithm is demonstrated using the Sierra/SolidMechanics analysis code. It is applied to a simulation of pervasive damage resulting from a spherical projectile impacting a brittle disk, and to a simulation of fragmentation of an expanding ductile ring.
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9

Niiya, K., P. Kostel, T. S. Zimmerman e Z. M. Ruggeri. "CHARACTERIZATION OF A 40 kDa FRAGMENT OF VON WILLEBRAND FACTOR THAT CONTAINS THE GLYCOPROTEIN IIb/IIIa-BINDING DOMAIN". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642874.

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We have isolated a 40 kDa fragment of von Willebrand factor (vWF) that contains the glycoprotein (GP) Ilb/IIIa-binding domain. The Staphylococcus aureus V8 protease-generated fragment II was digested with trypsin (1:50 enzyme:substrate ratio on a weight-to-weight basis). After addition of a 100fold molar excess of (p-amidinophenyl)methanesulfonyl fluoride in order to inhibit any residual trypsin activity, the whole digest was subjected to ion-exchange and size-exclusion high pressure liquid chromatography. Two major fragments were separated. Analysis by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate (SDS) demonstrated that one of the two purified polypeptides had an apparent molecular weight of 40 kDa under both reducing and nonreducing conditions, suggesting that it was a single chain polypeptide. The other fragment had an apparent molecular weight of 22 kDa after reduction and 44 kDa unreduced, suggesting that it was a homodimer. Amino terminal sequence analysis of both fragments was performed by classical Edman degradation following electroelution from reduced SDS-polyacrylamide gels. The amino terminus of the 40 kDa fragment corresponded to residue Glu (1366) (as did the fragment II from which it was derived), while the amino terminus of the 22 kDa fragment corresponded to residue Val (1927) of the constituent 2050 residue subunit. The effect of both fragments on vWF binding to the platelet membrane GP IIb/IIIa complex was evaluated by measuring the residual binding of 125I-labeled vWF to thrombin-stimulated platelets in the presence of varying amounts of the unreduced fragments. The 40 kDa polypeptide inhibited 64 percent of vWF binding when tested at a concentration of 20 μK, whereas the 22kDa dimer was without effect. This study establishes that the GP IIb/IIIa-binding domain of vWF resides in a discrete, single-chain 40 kDa fragment derived from the 220 kDa, homodimeric fragment II generated by V8 protease. Moreover, we found evidence for the existence of inter-chain disulfide bonds within 22 kDa from the carboxyl terminus of the constituent subunit.
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10

GUO, LEI, YONG HE, YUAN HE, CHUANTING WANG, HENG WANG e JINYI DU. "NUMERICAL SIMULATION ON THE VELOCITY DISTRIBUTION FOR DOUBLE-LAYERED PREFORMED FRAGMENTS BY EXPLOSION". In 32ND INTERNATIONAL SYMPOSIUM ON BALLISTICS. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/ballistics22/36050.

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As one of the most commonly used conventional ammunition in the military field, the double-layered preformed fragment warhead can achieve maximized damage efficiency against multiple types of targets within large coverage. In this paper, four different arrangement types of the double-layered fragments cylindrical casing filled with explosive charge were discussed. Numerical simulation were conducted to calculate the flight velocity and flight angle of all the fragments using the dynamic 3D software ANSYS/LS-DYNA. Based on the simulation results, the effects of the fragment layer on the distribution of the fragment velocity were analyzed by comparing different types of double-layered preformed fragments cylindrical casing. Furthermore, the detailed process such as the propagation of detonation wave, the collision of fragments between different layer, were studied to reveal the difference of the distribution of the drop point with different initial arrangement for double-layered fragments. Further research involving with different radius and material of fragments were conducted to figure out the critical parameter in warhead design. Finally, the statistics on energy utilization of four different double-layered preformed fragments showed the phenomenon of the leak of detonation product between fragments can affect the terminal velocity distribution.
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Relatórios de organizações sobre o assunto "Fragment"

1

Feinstein, D. I. Fragment Hazard Criteria. Fort Belvoir, VA: Defense Technical Information Center, janeiro de 1993. http://dx.doi.org/10.21236/ada265238.

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2

Shevitz, Daniel Wolf, Brian P. Key e Daniel B. Garcia. Fragment Impact Toolkit (FIT). Office of Scientific and Technical Information (OSTI), setembro de 2017. http://dx.doi.org/10.2172/1392794.

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3

Davids, C. N., B. B. Back e D. J. Blumenthal. Fragment mass analyzer project. Office of Scientific and Technical Information (OSTI), agosto de 1995. http://dx.doi.org/10.2172/166368.

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4

Wright, Nathan L., Joseph A. Pellettiere e Chris B. Albery. Birdstrike Fragment Capture Calibration Methods. Fort Belvoir, VA: Defense Technical Information Center, abril de 2005. http://dx.doi.org/10.21236/ada437250.

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5

Vogt, R., e J. Randrup. Generation of Fragment Angular Momentum. Office of Scientific and Technical Information (OSTI), janeiro de 2023. http://dx.doi.org/10.2172/1959422.

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Peñaloza, Rafael, e Barış Sertkaya. On the Complexity of Axiom Pinpointing in Description Logics. Technische Universität Dresden, 2009. http://dx.doi.org/10.25368/2022.173.

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We investigate the computational complexity of axiom pinpointing in Description Logics, which is the task of finding minimal subsets of a knowledge base that have a given consequence. We consider the problems of enumerating such subsets with and without order, and show hardness results that already hold for the propositional Horn fragment, or for the Description Logic EL. We show complexity results for several other related decision and enumeration problems for these fragments that extend to more expressive logics. In particular we show that hardness of these problems depends not only on expressivity of the fragment but also on the shape of the axioms used.
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7

Ziemba, G., D. Reed e P. Traina. Security Considerations for IP Fragment Filtering. RFC Editor, outubro de 1995. http://dx.doi.org/10.17487/rfc1858.

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8

Canavan, G. H. Comparison of calculations of fragment production. Office of Scientific and Technical Information (OSTI), janeiro de 1998. http://dx.doi.org/10.2172/638199.

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9

Feagin, James M. Quantum Correlated Multi-Fragment Reaction Imaging. Office of Scientific and Technical Information (OSTI), junho de 2017. http://dx.doi.org/10.2172/1413221.

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10

Baader, Franz, Ralf Molitor e Stephan Tobies. The Guarded Fragment of Conceptual Graphs. Aachen University of Technology, 1998. http://dx.doi.org/10.25368/2022.86.

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