Academic literature on the topic '700-1000'

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Journal articles on the topic "700-1000"

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Won, Sung Bin, Yeon Sang Hwang, and Dong Bok Lee. "Oxidation of Cr2AlC Carbides at 700-1000℃ in Air." Journal of the Korean institute of surface engineering 47, no. 2 (April 30, 2014): 93–98. http://dx.doi.org/10.5695/jkise.2014.47.2.093.

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Isla Frez, Amancio. "Modelos femeninos de actuación en la familia regia asturleonesa, 700-1000." Anuario de Estudios Medievales 46, no. 1 (June 30, 2016): 35–62. http://dx.doi.org/10.3989/aem.2016.46.1.01.

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Lee, Dong Bok, Jae Chun Lee, Sung Bin Won, and Sang Whan Park. "Oxidation of (Cr,Ti)2AlC Compounds at 700-1000 ℃ for One Year in Air." Korean Journal of Metals and Materials 51, no. 8 (August 5, 2013): 563–69. http://dx.doi.org/10.3365/kjmm.2013.51.8.563.

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Srisiri, Wattanasak, and Arkom Kaewrawang. "The Synthesis and Characterizations of Aluminums Doped Barium Ferrite (BaAlFe11O19)." Key Engineering Materials 777 (August 2018): 50–54. http://dx.doi.org/10.4028/www.scientific.net/kem.777.50.

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Aluminums doped barium ferrite (BaAlFe11O19) was synthesized by sol gel process at annealing temperatures, Ta, of 700 - 1000 °C and annealing time, ta, of 2 hr. The trend of saturation magnetization, σs, and the product of the magnetization and external magnetic fields, σHmax, increases from Ta = 700 - 900 °C, then decreases. The maximum value of σHmax and coercivity, Hc, are 13194.74 Oeemu/g and 20.33 emu/g, respectively, at Ta = 900 °C. The Hc increases from Ta = 700 - 1000 °C and its maximum value is 4448.80 Oe at 1000 °C. The trend of the crystallize size, <D>, increases from Ta = 700 - 900 °C then they are constant until Ta = 1000 °C. The maximum of <D> is 679.18 Å at 950 °C.
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Finkelstein, Israel. "L’archéologie et l’histoire de Jérusalem (1000-700 av. J.-C.)." Comptes-rendus des séances de l année - Académie des inscriptions et belles-lettres 156, no. 2 (2012): 827–58. http://dx.doi.org/10.3406/crai.2012.93578.

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Cook, L. P., C. K. Chiang, W. Wong-Ng, and J. Blendell. "THERMAL ANALYSIS OF Ba2YCu3O7-xAT 700-1000°C IN AIR*." Advanced Ceramic Materials 2, no. 3B (July 1987): 656–61. http://dx.doi.org/10.1111/j.1551-2916.1987.tb00131.x.

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Xia, Bin, Fanyu Kong, Hui Zhang, Lei Yang, and Wanghuan Qian. "Investigation of axial thrust deviation between the theory and experiment for high-speed mine submersible pump." Advances in Mechanical Engineering 10, no. 8 (August 2018): 168781401878925. http://dx.doi.org/10.1177/1687814018789256.

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In this article, three types of high-speed mine submersible pumps were designed and experimented. During the reliability performance test, the axial thrust balancing device of GFQ150-700 was overloaded and damaged due to an unsuitable designed value of axial thrust. The designed hydraulic axial thrust with the actual value is compared in this article, and the reason for axial thrust deviation is discussed. Results show that axial thrust of the theoretical calculation is close to the numerical simulation value at a certain extent. GFQ100-1000 obtains the maximum theoretical axial thrust, while the maximum simulated value is produced in GFQ150-700, and that is corroborated by experiments. The axial blade force is related to the pump stage and area differences between the blade suction and pressure surface. Due to the increasing stage in GFQ100-1000, the axial blade force increases to a remarkable value in an opposite direction with respect to GFQ150-700. The opposite blade force offsetting other hydraulic forces in GFQ100-1000 is responsible for the maximum hydraulic axial thrust emerges in GFQ150-700 instead of GFQ100-1000.
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Rubel, Laurie H. "Connecting Research to Teaching: Is 7/10 Always Equivalent to 700/1000?" Mathematics Teacher 104, no. 2 (September 2010): 144–47. http://dx.doi.org/10.5951/mt.104.2.0144.

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Consider the following problem: Compare the probabilities of the following two events: (1) 7 tails out of 10 tosses of a fair coin and (2) 700 tails out of 1000 tosses of a fair coin. Which of the events is more likely, or are they equally likely? (adapted from Fischbein and Schnarch 1997, p. 99)
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Ohwaki, Junichi, Haruki Kozawaguchi, and Bunjiro Tsujiyama. "High resolution large area 1000*700 dot thin-film electroluminescent display panel." Journal of the Institute of Television Engineers of Japan 42, no. 10 (1988): 1097–103. http://dx.doi.org/10.3169/itej1978.42.1097.

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Legras, J. C., J. Jäger, G. F. Molinar, S. Palomino, J. Quintas, and M. R. White. "EUROMET Intercomparison in the Pressure Range 100 MPa to 700 (1000) MPa." Metrologia 30, no. 6 (January 1, 1994): 721–25. http://dx.doi.org/10.1088/0026-1394/30/6/035.

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Dissertations / Theses on the topic "700-1000"

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Sowerby, R. S. "Angels in Anglo-Saxon England, 700-1000." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:60cb4d1f-505a-4ef9-8415-bc298f3cb535.

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This thesis seeks to understand the changing place of angels in the religious culture of Anglo-Saxon England between AD 700 and 1000. From images carved in stone to reports of prophetic apparitions, angels are a remarkably ubiquitous presence in the art, literature and theology of early medieval England. That very ubiquity has, however, meant that their significance in Anglo-Saxon thought has largely been overlooked, dismissed as a commonplace of fanciful monkish imaginations. But angels were always bound up with constantly evolving ideas about human nature, devotional practice and the workings of the world. By examining the changing ways that Anglo-Saxon Christians thought about the unseen beings which shared their world, it is possible to detect broader changes in religious thought and expression in one part of the early medieval West. The six chapters of this thesis each investigate a different strand from this complex of ideas. Chapters One and Two begin with Anglo-Saxon beliefs at their most theological and speculative, exploring ideas about the early history of the angels and the nature of their society – ideas which were used to express and promote changing ideals about religious practice in early England. Chapters Three and Four turn to the ways that angels were believed to interact more directly in earthly affairs, as guardians of the living and escorts of the dead, showing how even apparently traditional beliefs reveal changing ideas about intercession, moral achievement and the supernatural. Lastly, Chapters Five and Six investigate the complicated ways that these ideas informed two central aspects of Anglo-Saxon religion: the cult of saints, and devotional prayer. A final Conclusion considers the cumulative trajectory of these otherwise distinct aspects of Anglo-Saxon thought, and asks how we might best explain the changing importance of angels in early medieval England.
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Portass, Robert Nicholas. "Society, Community and Power in Northern Spain : 700-1000." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:56e7d378-389e-4a1e-84a2-7f1869c9ed3f.

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The period from c.718 to c.1000 oversaw the reconquest of a significant part of the Iberian Peninsula by the Kingdom of Asturias (718–910) and its successor in León (910–1037); the study of this process of Reconquista has in recent years focused on two broader social changes: the increasing exploitation of the peasantry, and the eclipse of public power. In the Introduction, I argue that it is necessary to integrate the study of peasant societies with analyses of royal and aristocratic power; reframing the subject in this way, we are able to appreciate the diversity of social experience which characterized both peasant and aristocratic life across the two case studies here examined, Southern Galicia, and the Liébana. I argue that the tenth century must be seen on its own terms, and without the benefit of hindsight, if we are to characterize it fairly. Chapter Two discusses the source material I have used in the elaboration of this thesis, highlighting its uses and problems from a critical perspective. In Chapter Three I show that fluid social structures allowed a family to rise to power from amongst the village inhabitants of the Liébana. Public officials such as counts were not able to impose themselves frequently upon this society. In Chapter Four, I show how a rich and aristocratic family of lay magnates, based in southern Galicia, were major political operators from the ninth century, but only came to exercise significant social influence amongst local society after the construction of the monastery of Celanova in 936. My Conclusion contextualizes these changes; it also argues that more nuanced and less schematic approaches to social relations demonstrate that peasants retained considerable autonomy in this period, and that factional politics influenced the stability of kingship far more than the supposed eclipse of public power.
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Moreland, John Francis. "Archaeology, history and theory : settlement and social relations in Central Italy A.D. 700-1000." Thesis, University of Sheffield, 1988. http://etheses.whiterose.ac.uk/5977/.

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The first two chapters of this thesis trace the development of historical and archaeological thought in an attempt to arrive at an understanding of the reasons behind the present polarization of the two disciplines. It is concluded that this polarization is the result of the stress placed on a series of oppositions -structure/agency, society/individual, synchrony/diachrony, past/present. It is argued that a rapprochement between History and Archaeology Is essential, especially for those who study the early med e.val period where both have some relevance, and that this rapprochement is only possible through an adequate theorisation of the recursive links which connect each of the oppositions. This theorisation is the subject of chapters 3 and 4. The essential elements of the theoretical perspective produced are that all the traces of the past should be seen as material culture produced by agents working in and through societal structures. The link between the past and the present is also stressed, and the past is seen as a resource drawn upon in the creation and negotiation of social relations. I use this theoretical perspective in a re-examination of the nature of settlement patterns and social structures in early medieval central Italy. I suggest that the archaeological evidence used to support the notion of massive depopulation at the end of the Roman empire, refers more to the dominance of the feudal mode of production. This is not to argue that population did not decline. It did, and much of this thesis is concerned with attempting to isolate the mechanisms through which elites tried to exercise control over people. These included increased management of production through the use of the written text and the development of administrative sites. These efforts culminated in the tenth century with the "incastellation" of much of the rural population.
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Morgan, Catherine Anne. "Settlement and exploitation in the region of the Corinthian Gulf, c.1000-700 B.C." Thesis, University of Cambridge, 1986. https://www.repository.cam.ac.uk/handle/1810/250892.

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Taguett, Amine. "Synthèse et étude thermodynamique d’alliages Ir-Rh à l’état massif et en films minces pour la réalisation de capteurs SAW fonctionnant à haute température (700°C-1000°C) dans l’air." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAA016/document.

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La technologie des capteurs à ondes élastiques de surface, appelés SAW pour Surface acoustic waves, existe depuis une cinquantaine d’années. Cette technologie est largement utilisée dans l’industrie des télécommunications et en perpétuelle évolution pour la réalisation de microcapteurs dans des secteurs à fortes contraintes tels que l’aéronautique, l’automobile, la métallurgie ou encore dans le domaine du médical. Leur forte sensibilité aux conditions environnementales, leur taille réduite et la possibilité de les interroger à distance sans aucune électronique embarquée (capteurs passifs), confèrent à cette technologie un fort potentiel d’innovation pour une utilisation en environnements extrêmement hostiles, et notamment comme capteurs de températures, de pressions, de déformations, de concentrations d'espèces chimiques ou biologiques… Une voie d’innovation réside dans l’optimisation des électrodes de ces capteurs appelés IDTs pour InterDigital Transducers. Ces électrodes métalliques d’une centaine de nanomètres d’épaisseur sont structurées sous forme de peignes interdigités sur un substrat piézoélectrique. Nos travaux se sont focalisés sur le choix des matériaux pour la réalisation des IDTs pour une utilisation à très hautes températures. Cela impose de trouver un matériau conducteur, stable physiquement et chimiquement, dont la mise en forme en film mince (100 nm d'épaisseur typique) n’altère pas son fonctionnement dans ces conditions d’usage extrêmes : températures voisines de 1000°C sous atmosphère oxydante. Une étude récente a mis en évidence la pertinence de l’utilisation d’alliages binaires Ir-Rh massifs pour des applications connexes de celles visées. L’objectif de ce projet est de transposer les propriétés des alliages Ir-Rh massifs à des films minces de même nature, en collectant de nouvelles données thermodynamiques relatives au système métallique Ir-Rh. Malgré les difficultés des analyses thermiques qui ont été menées jusqu’à 2300 °C, nous avons pu réaliser les premières mesures expérimentales des températures d’équilibres solide-liquide (solidus et liquidus) de quelques alliages Ir-Rh. Une part importante du travail a ensuite été consacrée à la réalisation de campagnes de dépôts de films minces Ir Rh afin d’optimiser les paramètres clés du dépôt permettant l’obtention de films présentant les stœchiométries et microstructures recherchées. Enfin, l’évaluation des performances des dispositifs SAW, élaborés à partir des films minces optimisés, a donné des résultats très prometteurs : après une phase de stabilisation dans les premières heures de recuit, le signal SAW s’est montré constant tout au long d’une période de 2 mois dans l’air à 800 °C
The surface acoustic waves (SAW) technology was invented approximately fifty years ago. This technology is currently widely used in the telecommunication industry to make, among others, GHz-range filters. Another very active development axis for the SAW technology is related to the achievement of micro sensors (to measure temperatures, pressures, deformations, concentrations of chemical or biological species) for industrial sectors with strong constraints such as aerospace, automotive, metallurgy, or medical sectors. Their high sensitivity to environmental conditions, their small size and the possibility to interrogate them remotely without adding any embedded electronics (passive sensors), provides SAW sensors a high innovation potential, in particular for applications taking place in hostile environments. SAW devices are constituted by a piezoelectric substrate on which are patterned electrodes from a conductive film. These electrodes are typically 100 nm-thick and are called, because of their shape, interdigital transducers (IDT). Our work was mainly focused on the choice of materials for the realization of IDTs to be used at very high temperatures, in air, for weeks periods, the current state-of-the-art operating temperature being close to 850 °C. Achieving high temperature IDTs requires finding a conductive material, physically and chemically stable under oxidizing conditions up to 1000°C, which retains its properties when grown as a thin layer. A recent study has highlighted the relevance of bulk Ir-Rh binary alloys for applications closely related to the targeted ones. The objective of this project is to transfer the properties of bulk Ir-Rh alloys to Ir-Rh thin layers, by collecting new thermodynamic data for the Ir-Rh binary system. Despite the difficulties of thermal analyses which were conducted up to 2300 °C, we have been able to carry out the first experimental measurements of solid-liquid temperatures equilibria (solidus and liquidus) of some Ir-Rh alloys. An important part of the work was afterwards devoted to the realization of Ir-Rh thin films deposition campaigns to optimize the key parameters and obtain films having the relevant stoichiometry and microstructure. Finally, the performance of SAW devices, made from optimized thin films, was evaluated. Very promising results were obtained: after a stabilization phase in the early hours of annealing, the SAW signal was unchanged throughout a 2 months period at 800 °C in air atmosphere
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Rengifo, Carlos. "Moche social boundaries and settlement dynamics at Cerro Castillo (c. AD 600-1000), Nepeña Valley, Peru." Thesis, University of East Anglia, 2014. https://ueaeprints.uea.ac.uk/48700/.

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This dissertation explores the pre-Columbian occupation at Cerro Castillo, a coastal settlement in the Nepeña Valley, Peru. The study examines the site’s internal organisation as well as its relationship with regional cultural phenomena during its most important period of occupation (circa AD 600-1000). Characterising the Moche presence at the site is one of the main subjects of this investigation. Moche was one of the grandest civilisations that developed in the pre-Columbian Andes, dating from circa AD 100 to 850. Its high levels of complexity are materially expressed in the archaeological remains of urban centres, monumental temples, irrigation systems, funerary practices and fi nely made artefacts. This work builds on decades of previous research to assess the nature of Moche at Cerro Castillo questioning uni-directional approaches to cultural interaction, social complexity and the secondary role attributed to small to mid-scale communities in their own development and in the regional affairs. This investigation relies on an archaeological approach and methodology on analysis of contextual data obtained from excavations at Cerro Castillo. This information is examined within a theoretical framework that integrates and evaluates perspectives of boundaries, cultural identity and social practice. By articulating material evidence with different lines of interpretative models, this thesis demonstrates that settlements such as Cerro Castillo were not passive recipients of the agency of a stronger political entity. Alternatively, it postulates that Cerro Castillo was a competing community that experienced its most signifi cant period of development in times of profound regional transformations. Rather than a political or military imposition, Moche is seen as a belief system that dovetailed with Cerro Castillo’s growing power and economy as its inhabitants embraced the lifestyle of a worldview that brought prestige and innovative cultural features.
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Coulangeon, Cécile. "L’architecture religieuse des Xe et XIe siècles dans le sud-est du Domaine royal capétien." Thesis, Paris 10, 2014. http://www.theses.fr/2014PA100155.

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Le sud-est du Domaine royal capétien est longtemps resté ignoré des études sur les débuts de l’architecture romane. Ceci est en grande partie lié à la position marginale qu’il occupe par rapport aux grands ensembles de l’historiographie, un état de fait qui découle comme nous avons eu l’occasion de le montrer d’une longue évolution historique depuis l’époque celtique où la zone fut subdivisée entre Sénons et Carnutes. Les premiers souverains capétiens ont toutefois porté un intérêt particulier à cette région, tentant au XIe siècle d’unifier l’espace compris entre leurs trois grands centres : Orléans, Étampes et Melun, face aux poussées de leurs rivaux bléso-champenois. L’activité architecturale semble alors battre son plein, avec de très nombreuses constructions, certes secondaires, mais témoignant d’un certain dynamisme architectural à cette époque. L’examen des monuments les plus importants, confrontés aux autres réalisations phares menées par les Capétiens dans le reste de leur Domaine royal, permet d’envisager le développement d’une politique édilitaire, favorisant certaines formes architecturales monumentales comme la tour-porche ou le chevet dit harmonique, dans une volonté claire de la part des nouveaux souverains de s’imposer visuellement dans le paysage, de se positionner en héritiers de leurs prédécesseurs carolingiens et de s’imposer face à leurs contemporains ottoniens, en reprenant certaines de leurs formes architecturales les plus emblématiques. Ces résultats ne doivent pas cacher en revanche des questions laissées en suspens, notamment en ce qui concerne les datations des édifices considérés ici. L’architecture apparaît en effet assez uniforme, entre petit appareil de tradition antique, opus spicatum, remplois de sarcophages haut-médiévaux et débuts du moyen appareil ; et les critères de datation généralement admis s’opposent à ceux des rares décors conservés
The southeast of the Capetian royal Domain remained for a long time unknown by studies on the beginnings of Romasnesque architecture. This is largely connected to the marginal position which it occupies compared with the large sets of the historiography, an established fact which ensues as we had the opportunity to show it of a long historic evolution since the Celtic period when the zone was subdivided between Sénons and Carnutes. The first Capetian sovereigns however carried a particular interest in this region, trying in the 11th century to unify the space between their three big centers : Orléans, Étampes and Melun, in front of pushes of their bléso-champenois rivals. The architectural activity then seems to be in full swing, with very numerous constructions, certainly secondary, but testifying of a certain architectural dynamism at that time. The examination of the most important buildings, confronted with the other key realizations led by the Capetians in the rest of their royal Domain, allows us to envisage the development of a artistic policy, favoring certain architectural monumental forms as tower-hall and harmonious bedhead, in a clear will on behalf of the new sovereigns to stand out visually in the landscape, to position in heirs of their Carolingian predecessors and to stand out in front of their ottonian contemporaries, by taking back their most symbolic architectural forms. These results can’t hide on the other hand questions left unsettled, in particular as regards the datings of buildings considered here. The architecture indeed seems rather uniform, between walls with small rubbles, opus spicatum, re-uses of high-medieval sarcophagus, and beginnings of carved stone ; and the generally admitted criteria of dating oppose those of the rare preserved decorations
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Willis, Zoë F. "Saint cults and the politics of power in the Dalmatian commune of Zadar (1000-1468)." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/49829/.

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The city of Zadar lies upon the Dalmatian coast of modern Croatia. Zadar’s position during the medieval period was that of an affluent port, poised between the markets of East and West, the Balkan hinterland and maritime Adriatic. Such a location made it a strategic colonial target for both Venice and the Kingdom of Hungary. This thesis examines the influence of these political, economic and cultural forces upon the commune’s powerful markers of local identity: its saints’ cults. Zadar’s past wealth created a significant cache of associated metalwork and ecclesiastical architecture that has received little attention beyond the Balkans. Beginning with a grand historical narrative - drawn together from the scholarship of Zaratine, Venetian and Hungarian histories - the complex rivalries and ambitions of the various regional protagonists are highlighted. Zadar’s role within these relations, be it peripheral or central, had an impact upon the commune’s social structures and networks. A study of archival sources indicates a blurring of boundaries between identities, both local and foreign, rather than the stark contrasts that often define the city’s histories. Patronage is also an important aspect of this study, showing how sacral works of art and monumental ecclesiastical structures were important tools in strengthening position and power. The results of such largesse were developments in the cults of Saints Chrysogonus, Simeon the Prophet and Mark the Evangelist. These reveal the flow of cultic practices and artistic trends through Europe, with Zaratine audiences aware of and demanding the most current in their local commissions. Each case study considers ritual, iconography and architectural space, thus contributing additional facets to the understanding of Medieval Zaratine identity.
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Books on the topic "700-1000"

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Scott, Ed. Honda 700-1000 cc Interceptor, 1983-1985. Edited by Stephens Randy. Overland Park, Kan: Clymer Publications, 1990.

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Clavis scriptorum Latinorum Medii aevi: Auctores Italiae, 700-1000. Firenze: SISMEL, edizioni del Galluzzo, 2006.

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Pāntharī, Rāghavendra Prasāda. Prācīna Bhārata meṃ sāmājika parivartana, 700 Ī. se 1000 Ī. taka. Nayī Dillī: Vāṇī Prakāśana, 1987.

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Bridgewater, Nicholas Max. The iron age in Euboea and the Cyclades 1000-700 BC. Birmingham: University of Birmingham, 1991.

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Mudholkar, Vanmala. Socio-economic study of the early Jain kathā literature (A.D. 700-1000). Allahabad: Kamal Prakashan, 1995.

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Adam, Cornelia. Das große Mosaik-Kochbuch: Der Klassiker mit rund 700 Rezepten und über 1000 Farbfotos. München: Mosaik, 2000.

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Barnston, A. G. Atlas of climatology and variability of monthly mean Northern Hemisphere sea level pressure, 700 mb geopotential height, and 1000-700 mb thickness, 1950-1992. Camp Springs, Md: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service, 1993.

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Brown, George. The Book of wisdom and wit: 1000 quotations, many of the worlds most famous, plus over 700 proverbs. Langley, B.C: Western Canadian Distributors, 1994.

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Volkmann, Armin. Siedlung - Klima - Migrationen: Geoarchäologische Forschungen zum Oderraum zwischen 700 vor und 1000 nach Chr. mit Schwerpunkt auf der Völkerwanderungszeit. Bonn: Verlag Dr. Rudolf Habelt GmbH, 2013.

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Daily life in the world of Charlemagne: With expanded footnotes. [Philadelphia? Pa.]: University of Pennsylvania Press, 1988.

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Book chapters on the topic "700-1000"

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Smyth, Alfred P. "The Emergence of English Identity, 700–1000." In Medieval Europeans, 24–52. London: Palgrave Macmillan UK, 1998. http://dx.doi.org/10.1007/978-1-349-26610-4_2.

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Davies, Wendy. "Exchange charters in the kingdom of Asturias-León, 700–1000." In Tauschgeschäft und Tauschurkunde vom 8. bis zum 12. Jahrhundert/L’acte d’échange, du VIIIe au XIIe siècle, 471–90. Köln: Böhlau Verlag, 2013. http://dx.doi.org/10.7788/boehlau.9783412211608.471.

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Murray, A. F. J., and W. A. Lane. "Simulation of a Novel Scheme for 700–1000 V Wiring Applications." In Simulation of Semiconductor Devices and Processes, 353–56. Vienna: Springer Vienna, 1993. http://dx.doi.org/10.1007/978-3-7091-6657-4_87.

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Joseph, Batieno Benoit, Poda Saadon Leandre, Barry Silamana, Compaore Evelyne, Zongo Hamadou, Sidibe Hamadou, Gnankambary Karidiatou, Sanou Ouedraogo Adelaide, and Neya B. James. "Cowpea Innovation Platform Interventions and Achievements in TL III Project in Burkina Faso." In Enhancing Smallholder Farmers' Access to Seed of Improved Legume Varieties Through Multi-stakeholder Platforms, 157–70. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8014-7_11.

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AbstractIn June 2015, four multi-stakeholder platforms (Sanguie, Zondoma, Soum, and Association Yiye) were established in different regions of Burkina Faso to promote agricultural activities. By 2018, more than 200 farmers had already been trained on different aspects of the cowpea value chain including grain production, storage, and food processing skills. The platforms played a key role in the dissemination of new cowpea varieties through demonstrations, field days, the mass media, and social media. About 160 demonstrations were established by the members of the platforms every year from 2015 to 2018. Each platform was supported to produce 10 ha of certified seeds making a total of 40 ha each year and 160 ha during the four-year period. Due to the demand for foundation seeds that was increasing year after year in Burkina Faso and the inability of INERA to produce enough seeds, the most successful platform members were contracted by the INERA Seed Unit to produce foundation seeds in order to meet the high demand in the country for certified seed production. Although there are no official statistics about certified seeds produced in Burkina Faso in terms of demand, recent happenings have shown their increased production. For instance, in 2018 about 1000 tons of certified seeds were produced compared to previous years which had less than 700 tons.
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"Geometric Period 1050/1000–700 BC." In Early Athens, 71–164. Cotsen Institute of Archaeology Press, 2019. http://dx.doi.org/10.2307/j.ctvxrpzmd.7.

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Abulafia, David. "The Purple Traders, 1000 BC–700 BC." In The Great Sea. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780195323344.003.0013.

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Recovery from the disasters of the twelfth century was slow. It is unclear how deep the recession in the Aegean lands was, but much was lost: the art of writing disappeared, except among the Greek refugees in Cyprus; the distinctive swirling styles of Minoan and Mycenaean pottery vanished, except, again, in Cyprus; trade withered; the palaces decayed. The Dark Age was not simply an Aegean phenomenon. There are signs of disorder as far west as the Lipari islands, for in Sicily the old order came to an end in the thirteenth century amid a wave of destruction, and the inhabitants of Lipari were able to preserve some measure of prosperity only by building strong defences. The power of the Pharaohs weakened; what saved the land of the Nile from further destruction was the falling away of raids from outside, as the raiders settled in new lands, rather than any internal strength. By the eighth century new networks of trade emerged, bringing the culture of the East to lands as far west as Etruria and southern Spain. What is astonishing about these new networks is that they were created not by a grand process of imperial expansion (as was happening in western Asia, under the formidable leadership of the Assyrians), but by communities of merchants: Greeks heading towards Sicily and Italy, consciously or unconsciously following in the wake of their Mycenaean predecessors; Etruscan pirates and traders, emerging from a land where cities were only now appearing for the first time; and, most precociously, the Canaanite merchants of Lebanon, known to the Greeks as Phoinikes, ‘Phoenicians’, and resented by Homer for their love of business and profit. So begins the long history of contempt for those engaged in ‘trade’. They took their name from the purple dye extracted from the murex shellfish, which was the most prized product of the Canaanite shores. Yet the Greeks also recognized the Phoenicians as the source of the alphabet which became the basis of their new writing system; and Phoenicia was the source of artistic models which transformed the art of archaic Greece and Italy in an age of great creative ferment.
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"The Carolingian Empire and the Invasions of Europe, 700–1000." In Medieval Europe 400 - 1500, 81–149. Routledge, 2014. http://dx.doi.org/10.4324/9781315836447-10.

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"Qur’an, Transformative Practices and the Discipline of Sufism: 700–1000." In Recognizing Sufism. I.B.Tauris, 2016. http://dx.doi.org/10.5040/9781350987739.ch-001.

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Davies, Wendy. "Exchange Charters in the Kingdom of Asturias-León, 700–1000." In Christian Spain and Portugal in the Early Middle Ages, 76–92. Routledge, 2019. http://dx.doi.org/10.4324/9780429326653-5.

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Beresford-Jones, David. "Introduction." In The Lost Woodlands of Ancient Nasca. British Academy, 2011. http://dx.doi.org/10.5871/bacad/9780197264768.003.0001.

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This introductory chapter first sets out the book's purpose, which is to present a new archaeological case for prehistoric human impact on the environment: a study of ecological and cultural change from the arid south coast of Peru, beginning around 700 bc and culminating in a collapse by about ad 1000. Its focus is the lower Ica Valley, today largely depopulated and bereft of cultivation, but whose abundant archaeological remains attest to substantial prehistoric occupations and thereby present a prima facie case for changed environmental conditions. This is a place of extreme environmental juxtaposition: one of the world's oldest and driest deserts, crossed by lush riverine oases, and sporadically impacted by El Niño floods or long droughts. An overview of the subsequent chapters is also presented.
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Conference papers on the topic "700-1000"

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Baranov, V. V., A. A. Kishchinsky, A. D. Matveev, and G. B. Polyakov. "A wideband 700–1000 MHz short-pulse SiC 300W power amplifier." In 2010 20th International Crimean Conference "Microwave & Telecommunication Technology" (CriMiCo 2010). IEEE, 2010. http://dx.doi.org/10.1109/crmico.2010.5632817.

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Baolan, Gu, and Xu Tong. "Impact Toughness of Grade 92 Steel Aging at 700°C." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65479.

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The evolution of microstructures and the variation of impact toughness of Grade 92 steel aged 200,500, 800, 1000 hours at 700 °C were studied in this paper. The results show that the impact energy of Grade 92 steel was reduced significantly with the aging time increase. After 200 h aging, the value of impact energy decreased about 10%; then the impact energy variation trends to be stable with 500 h aging. When the aging time increase to 800 h, the impacts energy decreased about 26% compared with the original sample; and then the variation trends stable with 1000 h aging. The precipitation and growth of M23C6 Phases at the prior austenite grain boundaries and martensitie lath boundaries during aging are major reasons of the impact energy decrease. 200 h aging, M23C6 carbides precipitate at the grain boundaries. Laves phase was discovered after 500 h aging, then the M23C6 and Laves phase coarsening with the aging time. This made the impact toughness degradation more.
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ARUTYUNOV, A. V., A. A. BELYAEV, K. YA TROSHIN, A. V. NIKITIN, and V. S. ARUTYUNOV. "FEATURES OF AUTOIGNITION OF METHANE-HYDROGEN MIXTURES." In 12TH INTERNATIONAL COLLOQUIUM ON PULSED AND CONTINUOUS DETONATIONS. TORUS PRESS, 2020. http://dx.doi.org/10.30826/icpcd12a01.

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The results of experimental studies and the kinetic simulation of au- toignition of stoichiometric methane-hydrogen-air mixtures in the temperature range of 700-1000 K and pressures of 1-15 atm, relevant to the possibility of undesired autoignition (knock) in a spark-ignition engine are presented.
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Sakamoto, T., H. Horinouchi, and T. Maeda. "Ceramics-to-Metal Joining Technology for Gas Turbine Rotors." In ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/89-gt-302.

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The joining technology of a ceramic wheel and a metal shaft for a ceramic turbocharger rotor was reviewed. The braze-bonded cup-joint method which has established for the ceramic turbocharger rotors was revealed to be effective for the gas turbine applications, in which the temperature of a joining reached to 700°C at turbine inlet temperature of 1371°C. Slip resistance and bend strength of ceramic shaft was completed by selecting the metal sleeve and braze materials and design with FEM. The reliability and the durability of the joining was confirmed by cyclic exposure test between 150°C and 700°C for 1000 cycles and 200 hour oxidation test.
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Pint, Bruce A., Robert G. Brese, and James R. Keiser. "Effect of Pressure and Thermal Cycling on Compatibility in CO2 for Concentrated Solar Power Applications." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-65066.

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A lifetime model is being developed for supercritical CO2 (sCO2) compatibility for the 30 year duty life for concentrated solar power (CSP) applications at >700°C to achieve higher efficiencies than other power cycles. Alloys 740H, 282, 625 and Fe-base alloy 25 are being evaluated in 500-h cycles at 1 bar and 300 bar, and 10-h cycles in 1 bar industrial grade CO2 at 700°–800°C. For comparison, companion experiments are being conducted in 1 bar air or O2. Using mass change, all of the alloys showed low mass gains with parabolic rate constants below the performance metric after 1000 h. However, alloy 25 showed a higher rate at 700°C in 300 bar sCO2 and did not follow an Arrhenius relationship. After 1500 h in 1 bar CO2, a much faster rate was observed for alloy 25 due to the formation of Fe2O3, but a similar increase was not observed in 300 bar CO2. Oxide thickness measurements have been completed after 1000 h in each condition. Only minor differences were noted between the 1 and 300 bar exposures. Up to 4,000 h exposures in 10-h cycles has not resulted in evidence of scale spallation but very small mass losses for alloy 625 were consistently observed. As longer exposures times are completed, quantification of the reaction products as a function time will be used to better model the degradation rate and additional characterization techniques will be included to further develop the model.
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Peres, Sérgio, and Alex Green. "Catalytic Indirectly Heated Gasification of Bagasse." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-161.

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The catalytic indirectly heated gasification of bagasse was investigated in this study. The quality of the gaseous fuel was assessed using the total energy analysis of the gas, in which both heat content and total yields of the gas produced from the gasification of bagasse are analyzed at temperatures ranging from 700 to 1000°C. Untreated bagasse gasification was used as a baseline for the investigation of the effect of catalysts on the gasification process. The total energy analysis showed a significant improvement of gas quality due to increase of temperature and due to the use of alumina-zinc based catalysts at temperatures below 900°C. The presence of these catalysts in the gasification process affected the quality of the gases formed, mainly by increasing the hydrogen production, reduction of the gas dilution by carbon dioxide and a slightly higher production of carbon monoxide. Above 900°C, temperature dominates the gasification reaction mechanisms causing the catalysts to have little or no significant effect. Thermal cracking of tar is of major importance on the gasification process, as the tar yields reduce from 42.1 to 24.7% of the bagasse original weight with the increase of the gasifier temperature from 700 to 1000°C. However, the solid residue reduced only from 16 to 13.3%. Hence, the increase in the gaseous yields at high temperature appeared to be due to the gasification of tar with some contribution from secondary reactions involving char. The result was the production of a medium heat content gaseous fuel.
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Zhang, Kun, Mo Yang, Yu Wen Zhang, and Mei Lu. "Study on the Route to Chaos of Natural Convection in Cylindrical Envelope With an Internal Concentric Cylinder With Slots." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22414.

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Natural convection heat transfer was investigated numerically in a cylindrical envelope with an internal concentric cylinder with slots. Governing equations are discretized using finite volume method and solved using SIMPLE algorithm with QUICK scheme. Calculations were performed on certain parameters with a Rayleigh number varying from 700 to 20000. The effect of the Rayleigh number on the route to the chaos of the system was analyzed by the phase space of velocity at the sample point. The results show that the system can reach to steady state and symmetric when the Rayleigh number is below 700, and to steady state and asymmetric when the Rayleigh number is equal to 1000. For a Rayleigh number ranged between 1500 and 3000, an asymmetric periodical solution is obtained although the initial field and boundary conditions were symmetric. As the Rayleigh numbers increase further, a quasi-periodic solution of the system is achieved at Ra = 2000. There is one more bifurcation and period doubling at successive critical values of Rayleigh numbers from to. It is ascertained that periodicity is lost at Ra = 20000. The results show that the oscillatory flow undergoes several bifurcations and ultimately evolves to a chaotic flow.
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Zhu, Bin. "Advanced Ceramic Fuel Cell R&D." In ASME 2004 2nd International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2004. http://dx.doi.org/10.1115/fuelcell2004-2499.

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Since many years in Swedish national research project and Swedish-Chinese research framework we have carried out advanced ceramic fuel cell research and development, targeting for intermediate and low temperature ceramic or solid oxide fuel cells (ILTCFCs or ILTSOFCs, 300–700°C) based on ceramic-based composite materials. The ceramic composite material developments in Sweden have been experienced from the oxyacid-salts oxide proton-based conductors, non-oxide containment salts, the ceria-based composite electrolytes and nano-composites. Among them the ceria-based composites showed excellent ionic conductivity of 0.01 to 1 Scm−1 and ILTCFCs using these composites as electrolytes have achieved high performances of 200 to 1000 mWcm−2 at temperatures between 400 and 700°C. The excellent ion conduction was resulted from hybrid proton and oxygen ion conduction. The hybrid ion conduction and dual electrode reactions and processes create a new fuel cell system. Advanced ceramic fuel cell aims at developing a new generation to realize the challenges for fuel cell commercialization. This paper reviews our more than 14 years R&D on the field with emphasis on the recent progresses and achievements.
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Govila, R. K. "Mechanical Strength Characterization of Sintered Silicon Nitride Containing Oxide Additives." In ASME 1987 International Gas Turbine Conference and Exhibition. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-gt-80.

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The flexural strength of a commercially available sintered silicon nitride (NGK-SN73) material containing various oxide additives (ceria, magnesia, zirconia and SrO) was determined in 4-point bending as a function of temperature (20 to 1200 C) in an air environment. Significantly, high strength (790 MPa) is maintained from room temperature to 800 C. At 900 C. and above, flexural strength decreased sharply. The sudden decrease in strength at temperatures of 900 and 1000 C is believed due to softening of the residual glass phase present in the material, and led to the presence of sub-critical crack growth. The extent of sub-critical crack growth and large viscous flow increased with increasing temperature (1100–1200 C) and led to degradation of material’s strength. In addition, the material was susceptible to oxidation at these temperatures as displayed by discoloration (dark gray to white) of the specimens. Extensive flexural stress rupture testing was carried out in the temperature range 800 to 1000 C in order to determine (i) the material’s susceptibility for low temperature oxidation instability, (ii) the presence of sub-critical crack growth at low temperatures (700 to 800 C) and high temperatures (900 to 1000 C) and (iii) to identify allowable stress levels for limited time (≤ 100 h) without showing degradation of materials strength (failure, creep or oxidation). Detailed fractographic evidence is presented to illustrate the type of strength controlling flaws present in the material at 20 C and above, and to reveal the presence of sub-critical crack growth displayed by the material in the temperature range 800 to 1000 C under stres-rupture mode.
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Ahmed, Islam, and Ashwani K. Gupta. "Pyrolysis and Steam Gasification of Paper and Evaluation of Paper Char Kinetics." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81104.

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Main characteristics of gaseous yield from steam gasification have been investigated experimentally. Results of steam gasification have been compared to that of pyrolysis. The temperature range investigated were 600 to 1000°C in steps of 100°C. Results have also been obtained under pyrolysis conditions at same temperatures. For steam gasification runs, steam flow rate was kept constant at 8.0 gr./Min.. Investigated characteristics were evolution of syngas flow rate with time, hydrogen flow rate, chemical composition of syngas, energy yield and apparent thermal efficiency. Residuals from both processes were quantified and compared as well. Material destruction, hydrogen yield and energy yield is better with gasification as compared to pyrolysis. This advantage of the gasification process is attributed mainly to char gasification process. Char gasification is found to be more sensitive to the reactor temperature than pyrolysis. Pyrolysis can start at low temperatures of 400 °C; however char gasification starts at 700 °C. A partial overlap between gasification and pyrolysis exists and is presented here. This partial overlap increases with increase in temperature. As an example, at reactor temperature 800 °C this overlap represents around 27% of the char gasification process and almost 95% at reactor temperature 1000°C.
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