Academic literature on the topic 'Explosion, 1785'

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Journal articles on the topic "Explosion, 1785"

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Boreham, Frances, Katharine Cashman, and Alison Rust. "Hazards from lava–river interactions during the 1783–1784 Laki fissure eruption." GSA Bulletin 132, no. 11-12 (April 27, 2020): 2651–68. http://dx.doi.org/10.1130/b35183.1.

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Abstract Interactions between lava flows and surface water are not always considered in hazard assessments, despite abundant historical and geological evidence that they can create significant secondary hazards (e.g., floods and steam explosions). We combine contemporary accounts of the 1783–1784 Laki fissure eruption in southern Iceland with morphological analysis of the geological deposits to reconstruct the lava–water interactions and assess their impact on residents. We find that lava disrupted the local river systems, impounded water that flooded farms and impeded travel, and drove steam explosions that created at least 2979 rootless cones on the lava flow. Using aerial photographs and satellite-derived digital terrain models, we mapped and measured 12 of the 15 rootless cone groups on the Laki lava field. We have identified one new rootless cone group and provide data that suggest another cone group previously attributed to the 939–940 CE Eldgjá eruption was created by the Laki eruption. We then use contemporary accounts to estimate formation dates and environments for each cone group, which formed in wetland/lake areas, on riverbeds, and near areas of impounded water. Furthermore, comparison with previous field studies shows that assessments using remote sensing can be used to identify and map meter-scale and larger features on a lava flow, although remote mapping lacks the detail of field observations. Our findings highlight the different ways in which lava can interact with surface water, threatening people, property, water supplies, and infrastructure. For these reasons, anticipation of such interactions is important in lava flow hazard assessment in regions with abundant surface water; we further demonstrate that remote sensing can be an effective tool for identifying lava–water interactions in past lava flows.
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Wisniak, Jaime. "The development of Dynamite. From Braconnot to Nobel." Educación Química 19, no. 1 (June 21, 2011): 71. http://dx.doi.org/10.22201/fq.18708404e.2008.1.25765.

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Henry Braconnot (1780-1855), Théophile-Jules Pelouze (1807-1867) y Ascanio Sobrero (1812-1888) son las figuras centrales en el descubrimiento de la naturaleza explosiva y las propiedades de los productos de la reacción de las mezclas de ácido nítrico y ácido sulfúrico con carbohidratos (azúcares, almidones, celulosa y lignina) y polialcoholes, en el corto periodo de 1833 a 1850. Sus descubrimientos permitieron a Alfred Bernhard Nobel (1833-1896) transformar la información acerca de un producto de manejo peligroso en una realidad industrial e iniciar así la industria moderna de los explosivos. En este artículo se describe el desarrollo histórico del conocimiento científico hasta su cristalización en la dinamita de nuestros días.
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Zhang, Xin-Hai, Kai Dou, Zhen-min Luo, Fang-Ming Cheng, and Han-ling Xue. "Kinetic model of methane explosion in a spheroidal explosion tank." IOP Conference Series: Earth and Environmental Science 647 (January 27, 2021): 012039. http://dx.doi.org/10.1088/1755-1315/647/1/012039.

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Hamilton, Christopher W., Sarah A. Fagents, and Thorvaldur Thordarson. "Explosive lava–water interactions II: self-organization processes among volcanic rootless eruption sites in the 1783–1784 Laki lava flow, Iceland." Bulletin of Volcanology 72, no. 4 (February 3, 2010): 469–85. http://dx.doi.org/10.1007/s00445-009-0331-5.

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Hamilton, Christopher W., Thorvaldur Thordarson, and Sarah A. Fagents. "Explosive lava–water interactions I: architecture and emplacement chronology of volcanic rootless cone groups in the 1783–1784 Laki lava flow, Iceland." Bulletin of Volcanology 72, no. 4 (February 3, 2010): 449–67. http://dx.doi.org/10.1007/s00445-009-0330-6.

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Lehr, Jay H. "Monitoring and the Information Explosion." Groundwater Monitoring & Remediation 9, no. 2 (March 1989): 5–6. http://dx.doi.org/10.1111/j.1745-6592.1989.tb01132.x.

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Luo, F., D. Q. Yang, and S. L. Zhang. "Residual Anti-Explosion Performance of The Corrugated Blast Wall For Offshore Platforms after Explosion." IOP Conference Series: Earth and Environmental Science 510 (July 14, 2020): 052082. http://dx.doi.org/10.1088/1755-1315/510/5/052082.

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Kopylov, P., V. P. Nazarov, and D. V. Fedotkin. "A Calculation of Volume of Explosion Hazard Zone and Explosion Pressure in Oil Storage Tanks." IOP Conference Series: Earth and Environmental Science 272 (June 21, 2019): 022033. http://dx.doi.org/10.1088/1755-1315/272/2/022033.

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Baker, Jean N. "The Proclamation Society, William Mainwaring and the Theatrical Representations Act of 1788." Historical Research 76, no. 193 (July 15, 2003): 347–63. http://dx.doi.org/10.1111/1468-2281.00180.

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Abstract The Theatrical Representations Act of 1788 was a landmark in the annals of provincial theatre history as it was the immediate catalyst for the explosion of theatre building that took place at the end of the eighteenth century. This article investigates the evidence that William Wilberforce's Proclamation Society, set up in 1787 in response to the perceived ‘moral crisis’ of that period, was closely involved in the enactment of this legislation. The part played by William Mainwaring, a member of the Society and a Middlesex magistrate, in the events that culminated with this Act is also examined.
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King, A. R., and J. E. Pringle. "RS Ophiuchi: thermonuclear explosion or disc instability?" Monthly Notices of the Royal Astronomical Society: Letters 397, no. 1 (July 21, 2009): L51—L54. http://dx.doi.org/10.1111/j.1745-3933.2009.00682.x.

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Dissertations / Theses on the topic "Explosion, 1785"

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Kavanaugh, Ashley Anne. "Acute Effects of Whole-Body Vibration on 30 Meter Fly Sprint Performance in NCAA Division I Sprinters and Jumpers." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1735.

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The purpose of this study was to identify a potentiation effect on 30 meter (m) fly sprint performance in collegiate sprinters and jumpers (M=21, W=5) following an acute bout of whole-body vibration. The WBV protocol consisted of one 30 second bout at 50 Hz, ~3 mm amplitude, and 60 seconds rest before a 30m fly sprint. Sprint times were measured using timing gates, and characteristics of strength and power were measured using a force plate. Analysis included measures of jump height, peak power, peak force, and rate of force development. Each subject participated in 3 separate trials using randomized treatment sessions over 3 months of preparation training. The control condition consisted of no vibration and WBV treatment 1 and 2 incorporated vibration. Statistics comparing the average sprint times showed no treatment effects. The results of this study indicate that WBV at 50 Hz and ~3 mm amplitude has no effect on sprint times.
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Jung, Peter. "Untersuchungen zum Einfluß des Kots phytophager Insekten auf die Keimung und das frühe Wachstum von Kiefern (Pinus sylvestris L.), Birken (Betula pendula Roth.) und Eichen (Quercus robur L.) unter besonderer Berücksichtigung des Inhaltsstoff-Musters der Blattorgane." Doctoral thesis, 2004. http://hdl.handle.net/11858/00-1735-0000-0006-B133-E.

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Wilken, Volker. "Kleinskalige Magnetfelder der Sonne und ihr Einfluß auf Chromosphäre, Übergangszone und Korona." 2001. http://hdl.handle.net/11858/00-1735-0000-0006-B43B-4.

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Books on the topic "Explosion, 1785"

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Carlo Ludovico Morozzo di Bianzè. Relation d'un violente détonation =: Relazione su una violenta detonazione = Account of a violent explosion = Relació d'una violenta explosió. Torino: Politecnico di Torino, 1996.

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Palmer, R. R. The French Revolution: The Explosion of 1789. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691161280.003.0015.

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Instead of attempting the hopeless task of a full and rounded account of the French Revolution, this chapter selects a few points for more detailed treatment: how the year 1789 opened with a fully developed revolutionary psychology, what the Revolution essentially consisted of, and why the French Revolution, though inspired by much the same principles as the American Revolution, adopted different constitutional forms and took on a magnitude unknown to the upheavals of Western Civilization since the time of the Protestant Reformation. The chapter brings the story, for all countries, to about the year 1791, to the eve of the great war in which all these national and social developments were to be gathered together into one tremendous struggle.
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Crook, Malcolm. The New Regime. Edited by David Andress. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199639748.013.013.

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This chapter aims to establish the first years of the French Revolution as a radical experiment in the practice of democracy, and to overturn the ‘moderate’ or ‘liberal’ perspective that many historians have adopted. Following the wholesale destruction of the ancien régime and the principles laid down in 1789 for the creation of a replacement, a new political culture emerged. The administrative framework that was rapidly instituted was by no means decentralized, but it proved incapable of controlling the great explosion of political activity and discussion, which subverted rather than supported the foundation of representative government. The analysis of elections, clubs and newspapers that flourished nationwide demonstrates these unruly dynamics of revolutionary citizenship, which the constitutional monarchy struggled to circumscribe. Despite the concerted efforts made to close this period of upheaval with the inception of the Constitution in the autumn of 1791, the Revolution was far from over.
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Wardhaugh, Benjamin. The Correspondence of Charles Hutton. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805045.001.0001.

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This book contains complete transcriptions, with notes, of the 133 surviving letters of Charles Hutton (1737–1823). The letters span the period 1770–1823 and are drawn from nearly thirty different archives. Most have not been published before. Hutton was one of the most prominent British mathematicians of his generation. He played roles at the Royal Society, the Royal Military Academy, the Board of Longitude, the ‘philomath’ network, and elsewhere. He worked on the explosive force of gunpowder and the mean density of the earth, winning the Royal Society’s Copley Medal in 1778; he was also at the focus of a celebrated row at the Royal Society in 1784 over the place of mathematics there. He is of particular historical interest because of the variety of roles he played in British mathematics, the dexterity with which he navigated, exploited, and shaped personal and professional networks in mathematics and science, and the length and public profile of his career. Hutton corresponded nationally and internationally, and his correspondence illustrates the overlapping, intersection, and interaction of the different networks in which Hutton moved. It therefore provides new information about how Georgian mathematics was structured socially and how mathematical careers worked in that period. It provides a rare and valuable view of a mathematical culture that would substantially cease to exist when British mathematics embraced continental methods from the early nineteenth century onwards.
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Book chapters on the topic "Explosion, 1785"

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Lane, Stephen J., and Michael R. James. "Volcanic Eruptions, Explosive: Experimental Insights." In Complexity in Tsunamis, Volcanoes, and their Hazards, 561–617. New York, NY: Springer US, 2009. http://dx.doi.org/10.1007/978-1-0716-1705-2_579.

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Kozlov, V. S., V. R. Voronin, and V. M. Zakharov. "Recycling of Objects by Explosive Processes." In Nuclear Submarine Decommissioning and Related Problems, 257–59. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1758-3_31.

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Sielicki, Piotr W., Chiara Bedon, and Xihong Zhang. "Performance of TGU Windows under Explosive Loading." In NATO Science for Peace and Security Series C: Environmental Security, 49–59. Dordrecht: Springer Netherlands, 2020. http://dx.doi.org/10.1007/978-94-024-1755-5_4.

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Klimenko, V. N., V. M. Loborev, Ye P. Maslin, A. A. Panshin, and L. S. Yevterev. "Disposal of High-Level Waste Through Underground Nuclear Explosions in the Novaya Zemlya Archipelago." In Nuclear Submarine Decommissioning and Related Problems, 157–75. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1758-3_21.

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Quintero Saravia, Gonzalo M. "His Finest Hour." In Bernardo de Gálvez, 180–244. University of North Carolina Press, 2018. http://dx.doi.org/10.5149/northcarolina/9781469640792.003.0007.

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On October 16, 1780, Bernardo de Gálvez’s forces sailed from Cuba to Pensacola. Two days later, a hurricane sank several ships, damaged most of the remaining ones, and scattered them off course. At his arrival to Havana, Gálvez faced the island’s high command who not only demanded his replacement but the cancellation of the attack against Pensacola. After several months of discussions and with the crucial assistance of Francisco de Saavedra, José de Gálvez special appointee to Cuba, Gálvez was able to reassert his authority and foster preparations for a second attempt to capture Pensacola. On February 28, 1781, “the expedition for the relief of Mobile and the conquest of Pensacola” set sail from Havana. Once in Pensacola, the navy officers refused to continue inside the bay since it was reputed too shallow for the ships’ draft. To prove them wrong, Gálvez embarked on the Galvezton, a small ship under his command as Louisiana’s governor and safely entered the bay. The fleet commanders had no choice but to follow. The siege works started shortly afterwards. However, reinforcements and supplies were needed for the operation to succeed. The first to arrive were from Mobile and New Orleans (March 22, 1781), but those from Havana, including French naval and army forces, did not reach Pensacola until April 19. On May 8, 1781, an anticipated long siege was abruptly ended when a shot from the Spanish batteries impacted the Queen’s Redoubt’s magazine, producing a big explosion. Two days later, Pensacola surrendered.
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"XV. The French Revolution: The Explosion of 1789." In The Age of the Democratic Revolution: A Political History of Europe and America, 1760-1800, 347–72. Princeton: Princeton University Press, 2014. http://dx.doi.org/10.1515/9781400850228-018.

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Curran, Kevin, Andrew Robinson, Stephen Peacocke, and Sean Cassidy. "Mobile Phone Forensic Analysis." In Crime Prevention Technologies and Applications for Advancing Criminal Investigation, 250–62. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1758-2.ch016.

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During the past decade, technological advances in mobile phones and the development of smart phones have led to increased use and dependence on the mobile phone. The explosion of its use has led to problems such as fraud, criminal use and identity theft, which have led to the need for mobile phone forensic analysis. In this regard, the authors discuss mobile phone forensic analysis, what it means, who avails of it and the software tools used.
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Conference papers on the topic "Explosion, 1785"

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Zielinski, Stephen M., Anthony A. Sansone, and Rusi P. Taleyarkhan. "Melt-Water Explosive Interactions: Triggering and Suppression." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10258.

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Under appropriate thermal-hydraulic conditions the combination of a hot fluid (e.g., molten metals) and a cold vaporizing fluid (e.g. water) can be made to undergo spontaneous or externally assisted (e.g., via trigger shock) onset of explosive interactions (via destabilization of the interfacial vapor layer) and resulting in rapid heat transfer, phase change, pressure buildup and melt fragmentation. Energetic melt-water explosions are a well-established contributor to the risk of nuclear reactor systems such as the infamous Chernobyl Accident. The prevention of triggering of such interactions in nuclear systems is of paramount importance. However, once the fundamentals are understood, it may be possible to not only intensify but more importantly, to control the intensity of the interaction. The control and intensification of explosive interactions can become of considerable importance in the areas covering variable thrust propulsion with tailored pressure profiles, for enhancing rapid heat transfer, and also for powder metallurgy (i.e., supercooled powder production in which the resulting materials may turn super-plastic with enhanced ductility and strength). This paper discusses results of experiments conducted with various molten metals specifically, tin, galinstan and aluminum interacting with water, with and without non-condensable gases such as hydrogen. It is found that under the appropriate combination of conditions, spontaneous and energetic liquid water to vapor phase changes can be readily introduced within milliseconds if the hot metal fluid is tin or galinstan (but not for aluminum) including the timed feedback of shocks generated from earlier explosions leading to chain-type reaction fronts propagating through mixtures. Using 3–10 g metal masses of tin or galinstan spontaneously exploding in water, shock over-pressures up to 12 bar (175 psig) were monitored about 4 cm from the explosion zone, accompanied with mechanical shock power levels of about 2 kW. A previously slow phase change process (viz., normal metal quenching) occurring over tens of seconds could be turned explosive to transpire within milliseconds for melt-water thermal states within the so-called thermal interaction zone (TIZ). However, it was also conclusively revealed that, for an otherwise spontaneously explosive combination of tin-water or galinstan-water, the inclusion of even trace (0.3 w/o) quantities of aluminum which generates monoatomic non-condensable gas in the interfacial layer is found to have a radical influence on stabilizing the interfacial vapor layer between hot fluid and cold fluid, thereby ensuring conclusive (100% of time) prevention of explosion triggering for all cases tested. This paper compares and presents the results obtained in this study along with insights into energetics, with gram quantity melt droplets and draws analogies with data taken for industrial scale aluminum casthouse safety conditions involving thousands of kilograms of melt. Insights drawn for adaption to industrial settings are provided for enabling physics-based prevention or initiation.
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Imai, Yasuhito, Masaki Mitsuya, and Masao Toyoda. "Verification of Applicability of Battelle Two-Curve Method to Ultrahigh-Pressure Rich-Gas Pipelines Based on a Full-Scale Burst Test." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78447.

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A full-scale gas burst test was conducted to confirm the behavior of unstable ductile crack propagation and arrest and to confirm the required toughness value to prevent unstable ductile fracture under an ultrahigh pressure of 18 MPa. A full-scale test was conducted at the Spadeadam test site in the UK for unburied pipes. The test pipes used in this test were of API 5L Grade L450 with outer diameter of 610 mm and thickness of 17.5 mm. The toughness of the test pipes increased away from the center, where an explosive charge was placed across the top of the girth weld for crack initiation. The gas used in the test consisted of ∼89% methane and other heavy hydrocarbon gas components, and the test temperature was 0 °C. A gas circulation loop was constructed to ensure that a homogeneous gas mixture and temperature were achieved throughout the test rig. In addition to dynamically measuring the ductile crack velocity and decompression behavior of the rich gas, as has often been done in previous burst tests, the circumferential distribution of the decompression behavior was measured using circumferentially placed pressure transducers. Furthermore, the fracture strain near the propagating crack was measured. The initiated unstable ductile crack was arrested in the third pipe. From the material properties of the test pipes in which the unstable ductile crack was arrested, the required Charpy absorbed energy and DWTT absorbed energy to prevent unstable ductile fracture in unburied pipes were obtained. In addition, the above data can be useful for validating numerical models that evaluate the propagation/arrest of unstable ductile fracture. The required Charpy and DWTT absorbed energy values obtained in this test were compared with those predicted by the Battelle Two-Curve Method (BTCM). As noted in previous studies, it was confirmed that the BTCM underestimates the required Charpy absorbed energy and requires a certain correction factor for precise evaluation, whereas the DWTT absorbed energy predicted by BTCM was consistent with the experimental result.
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