Relevant bibliographies by topics / Prime precipitation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Prime precipitation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Prime precipitation"

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Izumoto, Satoshi, Johan Alexander Huisman, Yuxin Wu, and Harry Vereecken. "Effect of solute concentration on the spectral induced polarization response of calcite precipitation." Geophysical Journal International 220, no. 2 (2019): 1187–96. http://dx.doi.org/10.1093/gji/ggz515.

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SUMMARY Induced calcite precipitation is used in geotechnics to modify the mechanical and hydrological properties of the underground. Laboratory experiments have shown that spectral induced polarization (SIP) measurements can detect calcite precipitation. However, the results of previous studies investigating the SIP response of calcite precipitation were not fully consistent. This study aims to investigate how the SIP response of calcite depends on solute concentration to explain the differences in SIP response observed in previous studies. A four-phase experiment with SIP measurements on a c
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Larsen, M., T. Angeliu, and C. Mukira. "Identification of Alpha Prime in an Aged Fe-12cr Steel Using Extraction Replicas and Energy Filtered TEM ." Microscopy and Microanalysis 5, S2 (1999): 858–59. http://dx.doi.org/10.1017/s143192760001761x.

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Long term aging of martensitic Fe-12Cr steels at elevated temperatures can result in a significant decrease in toughness. The mechanism responsible for this has been generally attributed to either impurity segregation and/or precipitation of second phases. The aging embrittlement of higher Cr-containing ferritic steels has long been attributed to the precipitation of bcc Cr-rich alpha prime phase[l]. Alpha prime has also been shown to embrittle certain Ni base alloys [2]. The current work has shown that alpha prime forms in Fe-12Cr steels which have been aged at 450°C for up to 32khrs. Coincid
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Nikolaev, A. V. "On the Need to Reparametrize the OVATION Prime (2010) Auroral Precipitation Model." Meteorologiya i Gidrologiya 3 (2021): 86–94. http://dx.doi.org/10.52002/0130-2906-2021-3-86-94.

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The need to reparametrize the OVATION Prime (2010) empirical auroral precipitation model using the Russian polar cap index (PC index) is considered. For this purpose, the integrated auroral power of particle precipitation obtained from the Polar satellite data for the period from December 1996 to June 1998 is compared with the PC index and the Newell’s coupling function. The analysis revealed that the PC index at the time delays up to 5–20 minutes correlates with the magnitude of auroral power much better (the correlation coefficient R ~ 0.76–0.87) than the Newell’s coupling function (R ~ 0.46
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Devaux, A., L. Nazé, R. Molins, et al. "Gamma double prime precipitation kinetic in Alloy 718." Materials Science and Engineering: A 486, no. 1-2 (2008): 117–22. http://dx.doi.org/10.1016/j.msea.2007.08.046.

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Jiang, Xiang‐chun, Toshihiko Yoshimura, Yuichi Ishikawa, Tadashi Shinohara, and Shigeo Tsujikawa. "Investigation of Alpha Prime Precipitation in Aged Duplex Stainless Steel." Journal of The Electrochemical Society 139, no. 4 (1992): 1001–7. http://dx.doi.org/10.1149/1.2069331.

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Kozakai, Takao, C. Aoki, Tomokazu Moritani, and Minoru Doi. "Precipitation of Gamma-Prime and Gamma-Double Prime Coherent Phases in Three-Phase Ni-V-Si Alloys." Materials Science Forum 539-543 (March 2007): 3036–41. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.3036.

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Phase separation of γ (A1) supersaturated solid solution into A1, γ’ (L12) and γ” (D022) phases was investigated in two Ni-rich Ni-V-Si ternary alloys by means of transmission electron microscopy. When the alloys are annealed at 1073K, two different sequences of the phase separation are observed, depending on the chemical composition of the alloy: In Ni-17.0at%V-6.9at%Si alloy (A) at the D022 corner of three-phase field, first many D022 particles precipitate aligning along the <110> direction of the matrix and the so-called chessboard pattern is observed, followed by the formation of L12
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Szczotok, Agnieszka. "Effect of Two Different Solutionizing Heat Treatments on the Microstructure of the CMSX-4 Ni-Based Superalloy." Solid State Phenomena 246 (February 2016): 15–18. http://dx.doi.org/10.4028/www.scientific.net/ssp.246.15.

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The heat-treatment processes for the precipitation-strengthened nickel-based superalloys are extremely complicated. The solution heat treatments are designed to dissolve the gamma-prime and the secondary carbide phases and allow the optimum re-precipitation of these phases upon cooling or after aging, for various precipitation-strengthened superalloys. The study was conducted to examine the effects of two solutionizing heat treatments on the microstructure of the CMSX4 superalloy. A comparison between the two obtained microstructures was performed.
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Kontikame, Nattapol, Sureerat Polsilapa, and Panyawat Wangyao. "Effect of Precipitation Aging Temperatures on Reheat Treated Microstructures and its Phase Stability after Long-Term Exposure in Cast Nickel Base Superalloy, Grade Inconel 738." Materials Science Forum 891 (March 2017): 433–37. http://dx.doi.org/10.4028/www.scientific.net/msf.891.433.

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This research work has an aim to investigate the effect of precipitation aging temperatures of 845°C, 865°C, 885°C and 905°C for 24 hours after solutioning treatment at temperature of 1145°C for 4 hours on final microstructure of cast nickel base superalloy, grade Inconel 738, which is used as a material for turbine blades in land base gas turbine engines to generate electricity in power plants. Further interesting is also extended to study and evaluate the phase stability of precipitated gamma prime particles after long-term heating at tempeatures of 900°C and 1000°C for 200 hours of all rece
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Padilha, Angelo Fernando, D. J. M. Aguiar, and R. L. Plaut. "Duplex Stainless Steels: A Dozen of Significant Phase Transformations." Defect and Diffusion Forum 322 (March 2012): 163–74. http://dx.doi.org/10.4028/www.scientific.net/ddf.322.163.

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During processing or use, duplex stainless steels are subject to a great number of significant phase transformations, such as solidification, partial ferrite transformation to austenite, ferrite eutectoid decomposition to sigma phase plus austenite, chi phase precipitation, chromium carbide precipitation, chromium nitride precipitation, ferrite spinodal decomposition, phase dissolution during solution annealing, forming of two types (epsilon and alpha prime) of strain induced martensite, martensite reversion to austenite, ferrite and austenite recrystallization. This paper summarizes the phase
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Paa-rai, Chuleeporn, Gobboon Lothongkum, and Panyawat Wangyao. "Effect of cooling rates of solution treatment on rejuvenation heat-treated microstructures of a cast nickel-based superalloy." Materials Testing 63, no. 2 (2021): 105–12. http://dx.doi.org/10.1515/mt-2020-0016.

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Abstract IN-738 turbine blade samples, deteriorated after long term service at high temperatures, were solution heat-treated at two temperatures, 1398 K and 1473 K, for 7.2 ks. Subsequently, the samples were cooled down in different atmospheres, in air and in furnace, for the purpose of studying the effects of different cooling media (rates) on the restored microstructures. Following this, the samples were aged at 1118 K for 43.2 ks and 86.4 ks in order to determine the characteristic of re-precipitated gamma prime particles. A scanning electron microscope (SEM) and ImageJ analysis software we
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Dissertations / Theses on the topic "Prime precipitation"

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Singh, Antariksh Rao Pratap. "Mechanisms of Ordered Gamma Prime Precipitation in Nickel Base Superalloys." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc67949/.

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Commercial superalloys like Rene88DT are used in high temperature applications like turbine disk in aircraft jet engines due to their excellent high temperature properties, including strength, ductility, improved fracture toughness, fatigue resistance, enhanced creep and oxidation resistance. Typically this alloy's microstructure has L12-ordered precipitates dispersed in disordered face-centered cubic γ matrix. A typical industrially relevant heat-treatment often leads to the formation of multiple size ranges of γ¢ precipitates presumably arising from multiple nucleation bursts durin
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Rojhirunsakool, Tanaporn. "Gamma Prime Precipitation Mechanisms and Solute Partitioning in Ni-base Alloys." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700080/.

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Nickel-base superalloys have been emerged as materials for gas turbines used for jet propulsion and electricity generation. The strength of the superalloys depends mainly from an ordered precipitates of L12 structure, so called gamma prime (γ’) dispersed within the disorder γ matrix. The Ni-base alloys investigated in this dissertation comprise both model alloy systems based on Ni-Al-Cr and Ni-Al-Co as well as the commercial alloy Rene N5. Classical nucleation and growth mechanism dominates the γ’ precipitation process in slowed-cooled Ni-Al-Cr alloys. The effect of Al and Cr additions on γ’ p
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Meher, Subhashish. "Comparative Coarsening Kinetics of Gamma Prime Precipitates in Nickel and Cobalt Base Superalloys." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699871/.

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The increasing technological need to push service conditions of structural materials to higher temperatures has motivated the development of several alloy systems. Among them, superalloys are an excellent candidate for high temperature applications because of their ability to form coherent ordered precipitates, which enable the retention of high strength close to their melting temperature. The accelerated kinetics of solute diffusion, with or without an added component of mechanical stress, leads to coarsening of the precipitates, and results in microstructural degradation, limiting the durab
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Krutz, Nicholas J. "On the Path-Dependent Microstructure Evolution of an Advanced Powder Metallurgy Nickel-base Superalloy During Heat Treatment." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1606949447780975.

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Lafont, Damien. "Prise en compte des hétérogénéités dans la restitution de l'eau nuageuse et des precipitations par radiométrie micro-onde passive." Clermont-Ferrand 2, 2005. http://www.theses.fr/2005CLF21558.

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L'observation par satellites des précipitations grâce aux radiomètres micro-ondes (MW) constitue l'une des bases de l'étude du climat. Cependant, le remplissage partiel du champ de vision des radiomètres conduit à des sous-estimations des taux de pluie retrouvés (beam-filling effect, BFE). A partir de simulations (nuages et rayonnement), la relation BFE-couverture nuageuse fractionnaire sous-pixel (CF) est étudiée. Les résultats montrent une dépendance avec le type de nuage et un maximum pour une faible couverture. CF étant le principal facteur à prendre en compte pour une correction des estim
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Claude, Aurélien. "Evolution vers un système hydrométéorologique intégré pour la prévision des crues de l'Isère à Moûtiers : prise en compte des aménagements hydroélectrique." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENU031/document.

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La prévision des crues de l'Isère en amont de Grenoble est une préoccupation majeure du SPC AN qui souhaite faire évoluer son système en intégrant une prévision hydrométéorologique, afin de pouvoir étendre les délais d'anticipation. Ce bassin, de régime à dominante nivale intégre un important dispositif hydroélectrique modifiant le régime naturel des écoulements. Le sous-bassin de l'Isère à Moûtiers, d'une surface proche du millier de km2, comportant les caractéristiques typiques de l'ensemble du bassin, constitue une zone test idéale qui permettra d'appréhender judicieusement la modélisation
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Sauvage, César. "Prévision couplée océan-atmosphère des épisodes méditerranéens : impact d'une meilleure prise en compte des débits des fleuves et de l'état de mer." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30322.

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La Méditerranée occidentale est particulièrement touchée en automne par des événements fortement précipitants. Ces épisodes caractérisés par des vents forts en mer et de fortes pluies en peu de temps peuvent entraîner d'importantes inondations ainsi que des phénomènes de vagues-submersions. Ces travaux de thèse ont pour but de progresser vers la prévision intégrée à courte échéance de ces événements via la modélisation couplée pour une meilleure représentation des processus à l'interface air-mer. La méthodologie mise au point ici consiste à étudier l'impact d'une représentation réaliste des dé
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Sun, Xun. "Analyse propabiliste régionale des précipitations : prise en compte de la variabilité et du changement climatique." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00934476.

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Les événements de pluies extrêmes et les inondations qui en résultent constituent une préoccupation majeure en France comme dans le monde. Dans le domaine de l'ingénierie, les méthodes d'analyse probabiliste sont pratiquement utilisées pour prédire les risques, dimensionner des ouvrages hydrauliques et préparer l'atténuation. Ces méthodes sont classiquement basées sur l'hypothèse que les observations sont identiquement distribuées. Il y a aujourd'hui de plus en plus d'éléments montrant que des variabilités climatiques à grande échelle (par exemple les oscillations El Niño - La Niña, cf. indice
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Price, Daniel Joseph [Verfasser], Jennifer [Akademischer Betreuer] Dressman, Christoph [Akademischer Betreuer] Saal, Martin [Akademischer Betreuer] Kuentz, Anita [Akademischer Betreuer] Nair, and Jennifer [Gutachter] Dressman. "Novel in vitro and in silico tools for the development of mesoporous silica formulations with optimal precipitation inhibitors / Daniel Joseph Price ; Gutachter: Jennifer Dressman ; Jennifer Dressman, Christoph Saal, Martin Kuentz, Anita Nair." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2021. http://d-nb.info/1238143725/34.

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Sephton, Michelle. "Strengthening of a cold worked 17% chromium ferritic stainless steel by heat treatment." Diss., 1988. http://hdl.handle.net/2263/29989.

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Slat-band chains are used as conveyors by the food industry, breweries and bottling plants. The operating conditions require abrasion resistance and strength which are at the limit of the capabilities of the current material of choice, cold worked type 430. In an unconventional way of strengthening this material, Mintek developed a process in which the cold worked material is aged between 450°C and 500°C. The present work aims to elucidate the strengthening mechanism, using type 430 stainless steel containing 16.42% Cr and 0.036% C, in the cold-rolled condition (38% reduction in area), with an
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Books on the topic "Prime precipitation"

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Lynch-Stewart, Pauline. Acid deposition on prime resource lands in eastern Canada. Environment Canada, Lands Directorate, 1986.

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Precipitation A Continuation of Miss Jane Austen's Pride and Prejudice. Lulu, 2010.

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Book chapters on the topic "Prime precipitation"

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Kozakai, Takao, C. Aoki, Tomokazu Moritani, and Minoru Doi. "Precipitation of Gamma-Prime and Gamma-Double Prime Coherent Phases in Three-Phase Ni-V-Si Alloys." In THERMEC 2006. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.3036.

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Yang, Yuansheng, Qingsheng Zhang, and Zhuangqi Hu. "Precipitation of Gamma Prime Phase of Nickel-Base Superalloy in Electric Field." In Intermetallics and Superalloys. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607285.ch6.

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Cui, CY, L. Xu, XF Sun, and YZ Zhou. "Precipitation of the Gamma Prime Phase in a Ni-Co-Based Superalloy during Different Stages of Cooling." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_53.

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Cui, CY, L. Xu, XF Sun, and YZ Zhou. "Precipitation of the Gamma Prime Phase in a Ni-Co-Based Superalloy during Different Stages of Cooling." In PRICM. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118792148.ch53.

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Kendall, Ann. "Applied Archaeology in the Andes: The Contribution of Pre-Hispanic Agricultural Terracing to Environmental and Rural Development Strategies." In Humans and the Environment. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199590292.003.0018.

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Patterns of civilization in the Central Andes can be seen to have fluctuated over the last 5,000 years in relation to climate changes. Starting with the first American civilization at Caral, on the Peruvian coast, other impressive coastal centres and cultural areas followed and subsequently the highland cultural areas and civilizations took over in what now seems to have been at least partly a response to periods of climate changes. While the early coastal environment offered economic advantages of maritime resources and made it easy to adapt and benefit from the early arrival of imported cultigens, greater effort was required to develop agriculture from wild local species at high altitudes in rugged terrains. However, by the first millennium BC, following adverse effects of droughts in coastal areas, the highland religious centre at Chavin de Huantar developed an influential impact in the Early Horizon Period (c.500–c.200 BC), expanding through trade networks to adjacent regions and southwards towards Paracas on the southern coast. Following the centre’s demise around 200 BC (due to the increasing impoverishment of the highland environment) impetus returned to a new surge of coastal developments, notably the emergence of the Mochica and Nazca cultures on the northern and southern coasts respectively, and at Pucara in the altiplano. Here Rowe’s chronological system of Intermediate Periods characterized by regional states and Horizon Periods characterized by broader dominating cultures can be seen to be influenced by the swings of past climate. Temperature and precipitation have been shown to be prime influences underlying the sustainability of cultural developments, driven by agricultural developments, at key centres of Andean power (Kendall and Rodríguez 2009),. Early economic and cultural developments centred on Lake Titicaca in the southern altiplano were supported by agricultural systems, including cocha (ponds) networks developed for specialized cultivation (Flores Ochoa and Paz 1986) and camellones or wayru wayru (raised fields) around wetland shores (Erickson 1985).
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Zeiger, Spencer James. "Decision Time." In Alive After Academia. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190068189.003.0003.

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The word retirement carries negative connotations, so it comes as no surprise that study participants preferred the term The Next Chapter. Do we really have to “go out to pasture”? Or have our careers primed us to enter an exciting stage of life, perhaps a synthesis of everything we have experienced up to this point in time? Wouldn’t it be great if we could look forward and enjoy a newly enhanced life? Seize the day! This chapter covers how participants decided to depart from academia; how they knew when to make the move; precipitating events that occurred; and any conflicts they experienced in making the decision.
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Cliff, A. D., M. R. Smallman-Raynor, P. Haggett, D. F. Stroup, and S. B. Thacker. "Disease Amplifiers: Wars and Conflicts in the Post-1945 Era." In Infectious Diseases: A Geographical Analysis. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780199244737.003.0018.

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The history of war is replete with examples of novel diseases that have suddenly and unexpectedly erupted into human consciousness. As we noted in Section2.2, ancient Greek historians such as Herodotus, Thucydides, and Diodorus Siculus provide classical accounts of the devastation wrought by mysterious war pestilences—diseases which, in many instances, elude classification in modern disease systems, and to which the appellation ‘antique plague’ is occasionally given (Smallman-Raynor and Cliff 2004b: 66–73). In more recent times, we saw in Table 1.7 how maladies such as the idiopathic English sweating sickness, along with venereal syphilis, typhus fever, and yellow fever, appeared— ostensibly for the first time—in association with wars of the late medieval and early modern periods. In the twentieth century, trench fever (World War I, 1914–18), scrub typhus (World War II, 1939–45), and Korean haemorrhagic fever (Korean War, 1950–3) provide further instances of the emergence phenomenon (Macpherson et al. 1922–3; Philip 1948; Gajdusek 1956). In addition to sponsoring apparently wholly new conditions, military conflict has also promoted the re-emergence of many infectious and parasitic diseases. Recent examples include African trypanosomiasis (Ugandan Civil War, 1979–86; Berrang Ford 2007), diphtheria and tuberculosis (Tajikistan Civil War, 1992–7; Keshavjee and Becerra 2000; Usmanov et al. 2000) and epidemic louse-borne typhus fever (Burundian Civil War, 1993–2005; Raoult, Ndihokubwayo, et al. 1998). Figure 8.1 illustrates schematically the sample factors that underpin the warrelated emergence and re-emergence of infectious diseases. As Price-Smith (2002: 129) observes, military conflict acts ‘as a direct disease ‘‘amplifier,’’ creating those physical conditions (poverty, famine, destruction of vital infrastructure, and large population movements) that are particularly conducive to the spread and mutation of disease’. High-level population mobility and mixing, differential patterns of disease exposure and susceptibility, the breakdown of public health infrastructure, and insanitary living conditions are all pertinent to an understanding of the (re-)emergence complex (Lederberg et al. 1992: 110–12). Additional factors also attain prominence. Within the schema of Figure 8.1, heightened exposure to the zoonotic pool has played a particularly important role in the war-related precipitation of disease emergence and re-emergence.
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Shorter, Edward. "The Return of the Two Depressions (and an Anxious Postscript)." In How Everyone Became Depressed. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199948086.003.0014.

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Before 1980 there had been two depressions, melancholia—also called endogenous depression—and nonmelancholia, called a number of terms such as reactive depression and neurotic depression. DSM-III flattened this distinction, abolishing the clinical distinction between the two with the homogenizing term major depression. To be sure, DSM-III reinserted the term melancholia in the discussion as a subtype of major depression, but only in letter, not in spirit. In the decades after 1980 melancholia returned, but to a landscape of mood disorder that had been leveled and laid waste by the concept of “depression.” In a world where everybody is depressed, nobody is melancholic. Emil Kraepelin had sent the diagnosis of melancholia into a death spiral. The psychoanalysts had little interest in the concept, aside from venerating a single essay of Freud, and the only people interested in keeping melancholia alive as a notion after the 1930s were the British who, with their admixture of Heidelberg science and homegrown common sense, had turned into shrewd psychopathologists. The textbook that Willi Mayer-Gross, a Heidelberg refugee, published in 1954 together with Eliot Slater and Martin Roth gave pride of place to involutional melancholia as the serious melancholic illness that oft en affected people at midlife and afterward. But world psychiatry after World War II marched to an increasingly American beat, and the Americans had little use for the antique term melancholia. The glossary of Alfred Freedman’s Comprehensive Textbook of Psychiatry, the world’s leading textbook first published in 1967, had scads of psychoanalytic terms but claimed of melancholia: “Old term for depression that is rarely used at the present time.” In Europe after World War II, endogenous depression was the serious variety and melancholia was deemed as “contaminated by Freud and the 19th century novels that degraded it to grief,” as Tom Ban, who trained in Budapest in the early 1950s, put it. “For Kraepelinians, grief and depression were not the same, and they excluded each other. Anyone who had an identifiable precipitating factor could not be labeled as having a depressive state.”
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"eppeirsocdeenst . oTfhtehequm as oir -e glm ob aarlkesd ca lEeN se SaO warm ture (SST) patterns associated wistuhr fa E ce Ntaenmdpceorlad ­ R bution of rainfall as a functio SO that sta ogpees le w of skEiNaSnOdcHaanlpoefr te tn1b9e9no5i ) d . efBEeNcS au Ose st tah te e ( eea .g., influence these rainfall patterns appear consistently in more before typical ENSO-ntified a season r o ly rfmoarnryecreencten de tcsa tu d d es ie , s P -ar kee .g r ., anHdsF iu o n ll ganadnd19N9e1wseilnlc1e9t8h3ereepc is oogdneith io ansiomfp th oer ta e n ar tlyprsetdarg el easteodfdarodu ev gehltospcionmgm EN en ScOe, late Idne in nt eitfe ic eanttihonc entury. However, one of th ic e t ive m value. precipitation relatio onfs hip tshepsreo vid ceo ain limitations sntsh is etecnlte are E st NiSnO di -­ E ac NcS or O d -in b g as teod th s e ea h so is ntaolr ic parlerdeicco ti rodn , EsN ch SeOmeissaicst iv tehaot, fce ation that seasonal meteorological drought in quite its warm or cold phases only about half the tim ienux se te fnuslisvkei ll a r ( e i. aes , ionftthheehg is lo to bre ic m al aryecboerdp , reEdN ic S ta O b -l reelw at i e th d S co in ld ce 1e9p0 is 0 o , dteh er yeeahrasv , e b ac eceonrtdhiinrg ty w to a rm th aendSnoiunteh te e e rn n . idtnryth con he aepspedroa it prie on r a ia s s ). occu te Fsiegaursroeat2 leas ns, .3 whsth7o5wsp ere p e th rocse recip entre of the time Osc itatio gi nondse , fiacn it dsJSoonue il s l at ( i1o9n87 In ) dex-based criterion of Ropelewski and are strongly associated with the warm or cold phase equa th to errinalPOas . c The cif il ilca tio clos se n a su Iendreex la tio (S n O sh I i ) pbaentdw ee cne nt trhaelo tu freEsNiSnOth -e i t . reo ., piw ca alrm ea sotrPcaoclid fi c s . eaAlstuhro face tempera­ d rface temperature anomaly may not occur consistently with every wuagrhmdorroucgoh ld tFu ig r u in durin re ggm2.4o all . s t su Ioffptr he twentieth century is illustrated in ENSO episode as appropriate, these regions do have a dr ch E ec N ip SiO ta ti eopn is owdeerse , sbku il tfun ll oytportehdeircw ta ibslee , tch le aanr -l n y or i m de anltsie fi aesdo na ilncco re nadsie ti d o ns p . r T ob haebliiln it k y wi o th fEdN ri SeOr-r th es eouotuigrm ht p ce e s . H re odw ic etv io enw managed r, ecvroouplsdm on ulsytbbeeppolsasnitbeldeaabnoduwtahtaelrfcba il n it ybedifso tr rim bu al tiisoend by ca ery year. s condi ltciuolnaatl in ognptrheecisptiattaet io onfEpN ro SbOa . ­ m ho awneyvedrr , ouEgNhSt-Op ro is nenortegtihoensonAlsy is disc . The farce to la r u ssed tiv in el f y lu ebnec lo in w g , T hi h st uosripcrae ll c y ip o it bas ti eornvepdr edic recent shif ttison in sctahnebperobb as aebd il iptuyredliysto ri n ­ g at a m in ossipnhu er nedesryssttaenmditnhg ro oufgch li m EN ate S O as satucdoiueps le h d as olceedan to -." In Droughts. Routledge, 2016. http://dx.doi.org/10.4324/9781315830896-40.

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Conference papers on the topic "Prime precipitation"

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Katsari, C., H. Che, B. Turner, A. Wessman, and S. Yue. "Precipitation Characteristics of Gamma Prime Precipitate in Rene 65." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017/mst_2017_1375_1381.

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Katsari, C., H. Che, B. Turner, A. Wessman, and S. Yue. "Precipitation Characteristics of Gamma Prime Precipitate in Rene 65." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017mst/2017/mst_2017_1375_1381.

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Furukawa, Kinji, Tomomi Nio, Riko Oki, Takuji Kubota, and Toshio Iguchi. "Prime mission results of the dual-frequency precipitation radar on the global precipitation measurement core spacecraft." In 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE, 2017. http://dx.doi.org/10.1109/igarss.2017.8127555.

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Furukawa, Kinji, Tomomi Nio, Riko Oki, Takuji Kubota, and Toshio Iguchi. "Prime mission results of the dual-frequency precipitation radar on the global precipitation measurement core spacecraft and the version 5 GPM standard products." In Sensors, Systems, and Next-Generation Satellites, edited by Roland Meynart, Steven P. Neeck, Haruhisa Shimoda, Toshiyoshi Kimura, and Jean-Loup Bézy. SPIE, 2017. http://dx.doi.org/10.1117/12.2276765.

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Meyer, Joseph, and Vinay Deodeshmukh. "Long-Term Oxidation Resistance of Several Precipitation Strengthened Ni-Based Superalloys." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64605.

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Precipitation strengthened alloys are a staple material in the gas-turbine industry due to their excellent creep and mechanical strength. HAYNES® 282® alloy was developed to have excellent creep resistance while maintaining good fabricability and thermal stability. However, its long-term oxidation resistance has not been fully established. The purpose of this paper is to present yearlong oxidation data of 282 alloy at 871°C (1600°F) and to rank it with well-known gamma prime strengthened alloys: 263 alloy, R-41 alloy, and Waspaloy alloy. The oxidation resistance of each alloy was ranked based
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Gontcharov, Alexandre, Yuan Tian, Paul Lowden, and Mathieu Brochu. "Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247-Amdry DF3 Powders." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75870.

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The microstructure and mechanical properties of materials produced by Wide Gap Brazing (WGB) and Laser Beam (LBW) cladding with different blends of Mar M247 and Amdry DF-3 brazing powders were studied. It was shown that LBW Mar M247 based materials comprised of 0.6 to 1 wt. % B were weldable. The weld properties were superior to WGB deposits with the same bulk chemical composition, due to the formation of a dendritic structure typical for welded joints, and the precipitation of cuboidal borides of Cr, Mo, and W in the ductile Ni-Cr based matrix. Both materials were found to have useful propert
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Gontcharov, Alexandre B., Paul Lowden, Ashutosh Jena, Sunyong Kwon, and Mathieu Brochu. "Weldability and Properties of Newly Developed LW4280 High Gamma Prime Nickel Based Superalloy for 3D AM and Repair of Turbine Engine Components." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-58851.

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Abstract Chemical composition, structure, mechanical and oxidation properties of welds produced utilizing laser direct energy deposition process of a newly developed LW4280 welding powder will be presented. Crack-free and high-density specimens were fabricated for manufacturing standard and subsized tensile test samples as per ASTM E-8. Optical and scanning electron microscopy revealed the formation of epitaxial grain growth during solidification of the welding pool followed by precipitation of fine gamma prime phase during the reheating from the subsequent weld layers. A sub-solvus primary ag
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Katcher, Michael, and Dwaine L. Klarstrom. "A Review of Haynes® 230 and Haynes 617 Alloys for High Temperature Gas Cooled Reactors." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26656.

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HAYNES 230 and 617 alloys are competing for use on Generation IV, high temperature gas cooled reactor components because of their good high temperature creep strength in the temperature range of 760°C and 982°C and resistance to attack in the gas cooled reactor environment. A review of the metallurgy affecting the properties in each alloy is provided. It is shown that the grain size and carbide precipitation developed during manufacture affect short term and long term ductility, fatigue life, and creep strength. For example, 230 alloy has a finer grained structure which promotes fatigue streng
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Mazur, Zdzislaw, Alberto Luna-Rami´rez, and Julio A. Jua´rez-Islas. "Metallurgical Assessment of Degradation of a Gas Turbine Bucket Made of Inconel 738LC Alloy After 24000 H in Service." In ASME 2004 Power Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/power2004-52127.

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The assessment of service induced degradation of nickel-base alloy Inconel 738LC of the gas turbine blade airfoil hot section, after 24000 hours of operation at high temperature is presented. The assessment include the blade coating degradation, changes of the gamma prime (γ′) phase (aging and coarsening), carbides and brittle phases precipitation, grain type and size characterization, and evaluation of interface coating/base alloy and cracks. The results of blade hot section (airfoil) microstructural assessment are compared to the cold reference zone (bucket root) to show the degradation degr
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Nagy, Douglas R., and Justin H. Kuipers. "Case Study: Metallurgical Analysis of Previously Repaired GE Frame 7FA Stage 1 Turbine Buckets." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69637.

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A case study is presented in which a destructive metallurgical analysis was performed on three GE Frame 7FA+e stage 1 buckets which had each been repaired using different approaches. The metallurgical condition and extent of the prior repairs are presented for each of the buckets following one additional service interval. The analyses included evaluation of the macroscopic condition, base alloy microstructure, stress rupture properties, internal and external surface coating conditions and the tip integrity. The first bucket had not been dimensionally restored at the tip during repair (i.e. the
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Reports on the topic "Prime precipitation"

1

Briggs, Samuel A. Correlative Microscopy of Alpha Prime Precipitation in Neutron-Irradiated Fe-Cr-Al Alloys. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1376614.

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Tiley, J., G. B. Viswanathan, S. Nag, et al. Mechanisms of Precipitation of Different Generations of Gamma-Prime Precipitates During Continuous Cooling of a Nickel Base Superalloy (PREPRINT). Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada563334.

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