Academic literature on the topic 'Explosive activity'

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Journal articles on the topic "Explosive activity"

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Andriș, Adriana, and Sorin Burian. "Dynamics of the standardization process for explosive atmospheres." MATEC Web of Conferences 389 (2024): 00052. http://dx.doi.org/10.1051/matecconf/202438900052.

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This paper presents an overview of the standardization activity in the field of explosive atmospheres both at the national and international level, as well as the evolution of this activity in different areas related to these explosive atmospheres. In the first part of the paper, the aspects regarding explosion risk, explosion prevention and protection, classification of explosive atmospheres, as well as factors influencing explosion protection are briefly presented. In the second part of the paper, the context of standardization at the national level is presented together with the reference i
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Pei, Qing, Meng Li, and Heng Li. "Study on Thermal Decomposition and Thermal Safety of Mixtures of Highly Active Aluminum Powder and Nitramine Explosive." Journal of Physics: Conference Series 2478, no. 12 (2023): 122033. http://dx.doi.org/10.1088/1742-6596/2478/12/122033.

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Abstract The newly prepared and stored highly active aluminum powder were mixed with common nitramine explosives HMX and CL-20 at a mass ratio of 1:1, respectively. The effects of the two kinds of high active aluminum powder on the thermal decomposition properties of HMX and CL-20 were investigated by differential scanning calorimetry (DSC). The thermal explosion critical temperature of the mixture of high active aluminum powder and nitramine explosive was calculated. The result shows that after joining highly active aluminium powder, highly active aluminium/nitramine explosive mixture, modera
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Filippov, Vladimir, Andrey Eremenko, and Igor Mokrousov. "GEOTECHNOLOGY IMPACT ON SEISMIC ACTIVITY OF THE AREA DURING MINING PROTECTIVE PILLAR IN CONDITIONS OF SHEREGESH DEPOSIT." Interexpo GEO-Siberia 2, no. 5 (2019): 75–80. http://dx.doi.org/10.33764/2618-981x-2019-2-5-75-80.

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Analysis of blasting works during reserves mining of protective pillar of level-and-room mining and sublevel mining with application of mobile machinery is carried out. It is established that high power explosions, carried out within border of protective pillar, longtime impact on rock solid (up to 2 days and more). Each explosion forms seismic active zone in which shocks occur on the distance up to 400v and more. Converse to technology of sublevel caving with application of mobile machinery has excepted carrying out explosions with large mass of explosive materials (10t and more). Through a m
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Zuccarello, Luciano, Duccio Gheri, Silvio De Angelis, Riccardo Civico, Tullio Ricci, and Piergiorgio Scarlato. "Geophysical fingerprint of the 4–11 July 2024 eruptive activity at Stromboli volcano, Italy." Natural Hazards and Earth System Sciences 25, no. 7 (2025): 2317–30. https://doi.org/10.5194/nhess-25-2317-2025.

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Abstract. Paroxysmal eruptions, characterized by sudden and vigorous explosive activity, are frequent at open-vent volcanoes. Stromboli volcano, Italy, is well known for its nearly continuous degassing activity and mild explosions from the summit craters, occasionally punctuated by short-lived paroxysms. Here, we analyse multiparameter geophysical data recorded at Stromboli in early July 2024 during a period of activity that led to a paroxysmal eruption on 11 July. We use seismic, infrasound and ground deformation data, complemented by visual and unoccupied aircraft system observations, to ide
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Corradino, Claudia, Eleonora Amato, Federica Torrisi, Sonia Calvari, and Ciro Del Negro. "Classifying Major Explosions and Paroxysms at Stromboli Volcano (Italy) from Space." Remote Sensing 13, no. 20 (2021): 4080. http://dx.doi.org/10.3390/rs13204080.

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Stromboli volcano has a persistent activity that is almost exclusively explosive. Predominated by low intensity events, this activity is occasionally interspersed with more powerful episodes, known as major explosions and paroxysms, which represent the main hazards for the inhabitants of the island. Here, we propose a machine learning approach to distinguish between paroxysms and major explosions by using satellite-derived measurements. We investigated the high energy explosive events occurring in the period January 2018–April 2021. Three distinguishing features are taken into account, namely
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Corradino, Claudia, Eleonora Amato, Federica Torrisi, Sonia Calvari, and Ciro Del Negro. "Classifying Major Explosions and Paroxysms at Stromboli Volcano (Italy) from Space." Remote Sensing 13, no. 20 (2021): 4080. http://dx.doi.org/10.3390/rs13204080.

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Stromboli volcano has a persistent activity that is almost exclusively explosive. Predominated by low intensity events, this activity is occasionally interspersed with more powerful episodes, known as major explosions and paroxysms, which represent the main hazards for the inhabitants of the island. Here, we propose a machine learning approach to distinguish between paroxysms and major explosions by using satellite-derived measurements. We investigated the high energy explosive events occurring in the period January 2018–April 2021. Three distinguishing features are taken into account, namely
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Kondratyev, V. N. "Magic nuclei at explosive dynamo activity." EPJ Web of Conferences 107 (2016): 10006. http://dx.doi.org/10.1051/epjconf/201610710006.

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Rădoi, Florin, Ion Gherghe, and Alexandru Cămărășescu. "Experimental possibilities for industrial ventilation." MATEC Web of Conferences 354 (2022): 00030. http://dx.doi.org/10.1051/matecconf/202235400030.

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The activity of evaluation and verification of industrial ventilation installations has a strong preventive role in terms of explosion risk mainly due to the fact that of the three determining elements that can lead to an explosion phenomenon, ventilation installations can determine the presence of two elements namely the presence of fuel (gases, vapours, dusts, mists) and the source of initiation (hot surface, flame, sparks of mechanical origin, electrical sparks, static electricity, etc.). The development of experimental systems on„ which particular hazardous aspects that may occur during th
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Richards, Paul G., Douglas A. Anderson, and David W. Simpson. "A survey of blasting activity in the United States." Bulletin of the Seismological Society of America 82, no. 3 (1992): 1416–33. http://dx.doi.org/10.1785/bssa0820031416.

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Abstract Statistical information on chemical explosions is needed in seismology, to evaluate the practical difficulties in identifying this very common type of seismic source from other seismic sources such as small earthquakes and small nuclear explosions. We have obtained data on blasting activity from three different sources: (1) overview information from the U.S. Bureau of Mines (USBM) on the total amount of chemical explosives used in the United States during 1987, with breakdowns into different explosive types, and usage by different states; (2) overview information from the Mine Safety
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Ripepe, M., M. Rossi, and G. Saccorotti. "Image processing of explosive activity at Stromboli." Journal of Volcanology and Geothermal Research 54, no. 3-4 (1993): 335–51. http://dx.doi.org/10.1016/0377-0273(93)90071-x.

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Dissertations / Theses on the topic "Explosive activity"

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Ruiz, Mario Calixto Lees Jonathan M. "Analysis of explosive activity of Tungurahua volcano using seismic-acoustic data." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,757.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Dec. 18, 2007). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Geological Sciences." Discipline: Geology; Department/School: Geological Sciences.
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Meier, Kristina [Verfasser], and Matthias [Akademischer Betreuer] Hort. "Temporal Variability of Strombolian Explosive Activity at Yasur Volcano, Vanuatu / Kristina Meier. Betreuer: Matthias Hort." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1058213369/34.

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Caron, Benoît. "Contribution of distal ash deposits to the knowledge of explosive activity of Italian volcanoes insights for hazard zonation." Paris 11, 2010. https://theses.hal.science/tel-00545633.

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En plus de la destruction des sites à proximités des volcans, l'accumulation de cendres volcaniques dans les zones distales peut causer de graves dommages. De plus l'évaluation de ces dangers n'est pas pleinement prise en compte dans les plans de mitigation actuels. L'étude de la dispersion des retombées pyroclastiques produites par les éruptions explosives des volcans Italiens lors du Quaternaire est le sujet de cette thèse. L'étude tephrostratigraphique de trois carottes lacustres des lacs de Shkodra et Ohrid (Albanie) et d'une carotte marine du Nord de la mer Ionienne a été réalisée. Dix-se
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Bennett, Benjamin A. "Development of a methodology for evaluating and anticipating Improvised Explosive Device threat activity using a fault tree based process." Connect to this title online, 2009. http://etd.lib.clemson.edu/documents/1246565801/.

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Walsh, Lucy. "Implications for Volcanic Hazards in the Central and Southern Cascades Based on Gas Emissions During Explosive Cinder Cone Activity." Thesis, University of Oregon, 2013. http://hdl.handle.net/1794/12977.

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Volatile emissions from Cascades cinder cone eruptions have been well-documented; however the implications for understanding the effects that volcanic gases have on surrounding communities have not been addressed. This study examines the hazards from volatile degassing during explosive activity by (1) analyzing S, Cl, and F concentrations dissolved in olivine-hosted melt inclusions and matrix glass from cinder cones located in central Oregon and northern California, (2) estimating the mass of volcanic gas degassed during these eruptions, and (3) predicting gas concentrations downwind of the v
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Preece, Katie. "Transitions between effusive and explosive activity at Merapi volcano, Indonesia : a volcanological and petrological study of the 2006 and 2010 eruptions." Thesis, University of East Anglia, 2014. https://ueaeprints.uea.ac.uk/49599/.

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The 2010 explosive eruption (VEI 4) of Merapi volcano, Indonesia, was the volcano’s largest since 1872. In contrast, volcanism over the last century has been characterised by dome-building and gravitational dome collapse, such as in 2006 (VEI 1). The driving forces behind effusive and explosive activity, as well as factors that affect transitions in eruptive style are investigated through petrological and textural analysis, using the well-documented 2006 and 2010 eruptions as case-studies. Pre- and syn-eruptive crystallisation and degassing processes are examined via whole rock geochemical ana
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Faezi, Farnaz [Verfasser], George [Gutachter] Coupland, Maria [Gutachter] Albani, and Martin [Gutachter] Hülskamp. "The role of pectin methylesterase activity in explosive seed dispersal in Cardamine hirsuta / Farnaz Faezi ; Gutachter: George Coupland, Maria Albani, Martin Hülskamp." Köln : Universitäts- und Stadtbibliothek Köln, 2018. http://d-nb.info/1162620781/34.

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Eychenne, Julia. "Budgets éruptifs et origine des paroxysmes explosifs andésitiques en système ouvert : l'éruption d'août 2006 du Tungurahua en Equateur." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00741974.

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Plusieurs volcans andésitiques dans le monde connaissent des périodes d'activité en système ouvert pendant plusieurs années, décennies voire siècles, qui sont caractérisées par des manifestations éruptives persistantes d'intensité fluctuante et ponctuées de phases explosives violentes et dangereuses, souvent accompagnées d'écoulements pyroclastiques. La compréhension de la dynamique et de l'origine de ces paroxysmes en système ouvert est un enjeu majeur de la recherche volcanologique dans le but d'améliorer la surveillance de ce type d'activité. Le Tungurahua en Equateur est un excellent exemp
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McAllister, Jennifer E. "The Mutagenic Activity of High-Energy Explosives; Contaminants of Concern at Military Training Sites." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20175.

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The genotoxicity of energetic compounds (i.e., explosives) that are known to be present in contaminated soils at military training sites has not been extensively investigated. Thus, the Salmonella mutagenicity and Muta(TM)Mouse assays were employed as in vitro assays to examine the mutagenic activity of twelve explosive compounds, as well as three soil samples from Canadian Forces Base Petawawa. Salmonella analyses employed strains TA98 (frameshift mutations) and TA100 (base-pair substitution mutations), as well as the metabolically-enhanced YG1041 (TA98 background) and YG1042 (TA100 backgroun
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Bolliet, Olivier. "Les indicateurs neurovégétatifs de la préparation à l'action dans les activités sportives de force explosive." Lyon 1, 2004. http://www.theses.fr/2004LYO10079.

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Les études psychophysiologiques de la concentration sportive ont souvent porté sur des disciplines où la contrainte énergétique est faible. L'analyse de l'activité neurovégétative constitue un molèle inférentiel des opérations mentales contrôlées par le système nerveux central. En utilisant des microcapteurs non-invasifs, on dispose d'une méthode ambulatoire permettant d'étudier, en situation réelle, les processus mentaux de préparation à l'action. Les résultats montrent une élévation sélective de l'activation et de l'attention lors de la concentration, en fonction des exigences et des contrai
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Books on the topic "Explosive activity"

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Lincei, Accademia nazionale dei, and British Council, eds. Large explosive eruptions: (the problems of eruption forecasting and warning--limits and possibilities) : international symposium sponsored by the Accademia nazionale dei Lincei and the British Council (Rome, 24-25 May 1993). Accademia nazionale dei Lincei, 1994.

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Argolo, José. A direita explosiva no Brasil. MAUAD, 1996.

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Fowler, Andrew. The most dangerous man in the world: The explosive true story of Julian Assange and the lies, cover-ups, and conspiracies he exposed. Skyhorse Publishing, 2013.

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Leonard, Elmore. Les fantômes de Detroit. Presses de la Cité, 1989.

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Leonard, Elmore. Freaky deaky. Harper, 2011.

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Leonard, Elmore. Freaky Deaky. Warner Books, 1989.

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Leonard, Elmore. Freaky Deaky. Einaudi, 2007.

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Leonard, Elmore. Dynamiet. Van Holkema &Warendorf, 1989.

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Leonard, Elmore. Freaky Deaky. Quill, 1998.

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Leonard, Elmore. Freaky deaky. Penguin, 1988.

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Book chapters on the topic "Explosive activity"

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Fink, J. H., and C. R. Manley. "Explosive Volcanic Activity Generated from Within Advancing Silicic Lava Flows." In IAVCEI Proceedings in Volcanology. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73759-6_11.

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Imre, Soós, Gyagya Attila, Kósa Lili, K. J. Finn, and Ihász Ferenc. "Analysis of Explosive Force, Sprint Distance and High-Intensity Running in a Match Situation Between Hungarian Second-Division Soccer Players." In Innovation in Physical Activity and Sport. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-92897-1_1.

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Sulpizio, Roberto, Gianluca Groppelli, Donatella Insinga, et al. "The Large Explosive Activity of Mt. Etna as Recorded in Distal Tephrostratigraphy." In Springer Geology. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04364-7_245.

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Morandi, Andrea, Andrea Di Muro, Claudia Principe, et al. "Pre-historic (<5 kiloyear) Explosive Activity at Piton de la Fournaise Volcano." In Active Volcanoes of the Southwest Indian Ocean. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-31395-0_8.

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Simić, Mitar, Ross Gillanders, Aleksej Avramović, et al. "Honeybee Activity Monitoring in a Biohybrid System for Explosives Detection." In IFMBE Proceedings. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-17971-7_29.

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Meier, Henri B., John E. Marthinsen, Pascal A. Gantenbein, and Samuel S. Weber. "Swiss Derivative Markets." In Swiss Finance. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-23194-0_10.

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AbstractVolatility is the mother of derivatives, but there is debate about whether speculation or hedging is the legitimate father. A virtual explosion of derivative activity has occurred during the past 50 years, as prices have become more volatile, contributing to a growing demand for hedging and the possibility of earning speculative profits. Derivatives are central to today’s financial markets and have grown to eclipse, in notional value, both the international equity and bond markets. Switzerland’s financial sector has actively participated in developing this global market. The key to suc
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Geha, Carmen. "Activists Escaping Lebanon: Disruption, Burnout, and Disengagement." In Migrations in the Mediterranean. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42264-5_10.

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AbstractThis chapter traces the experience of political activists in Lebanon from protests, social movement formation, revolution, to the current moment of their choosing to migrate. It conceptualizes the Mediterranean as a socially symbolic space where many Lebanese activists are choosing to settle in after a series of crises and disappointments. It helps us understand how movements get disrupted and how activists used agency in certain moments to purposefully disconnect from what they perceive to be situations where there is no hope left. The chapter uses in-depth interviews with individuals
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Teymouri, Farzaneh, Hasan Alizadeh, Lizbeth Laureano-Pérez, Bruce Dale, and Mariam Sticklen. "Effects of Ammonia Fiber Explosion Treatment on Activity of Endoglucanase from Acidothermus cellulolyticus in Transgenic Plant." In Proceedings of the Twenty-Fifth Symposium on Biotechnology for Fuels and Chemicals Held May 4–7, 2003, in Breckenridge, CO. Humana Press, 2004. http://dx.doi.org/10.1007/978-1-59259-837-3_95.

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Esposito, Antonietta M., Luca D’Auria, Flora Giudicepietro, and Marcello Martini. "Waveform Variation of the Explosion-Quakes as a Function of the Eruptive Activity at Stromboli Volcano." In Neural Nets and Surroundings. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35467-0_12.

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Barbaglia, Luca, Sergio Consoli, Sebastiano Manzan, Diego Reforgiato Recupero, Michaela Saisana, and Luca Tiozzo Pezzoli. "Data Science Technologies in Economics and Finance: A Gentle Walk-In." In Data Science for Economics and Finance. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66891-4_1.

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AbstractThis chapter is an introduction to the use of data science technologies in the fields of economics and finance. The recent explosion in computation and information technology in the past decade has made available vast amounts of data in various domains, which has been referred to as Big Data. In economics and finance, in particular, tapping into these data brings research and business closer together, as data generated in ordinary economic activity can be used towards effective and personalized models. In this context, the recent use of data science technologies for economics and finan
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Conference papers on the topic "Explosive activity"

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Csaszar, Tiberiu, Cosmin Colda, Danut Grecea, Gabriela Pupazan, and Alexandru Beldiman. "PRACTICAL ASPECTS OF IMPROPER INSTALLATION AND MAINTENANCE OF EQUIPMENT INTENDED TO BE USED IN POTENTIALLY EXPLOSIVE AREAS AND RECOMMENDED MEASURES." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s06.80.

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In the evaluation activity of technical equipment intended to be used in potentially explosive atmospheres, by national and international legislation, non-compliant aspects were often reported regarding the choice, installation and maintenance of this explosion-proof equipment. The following main aspects were pointed out: the equipment that was initially chosen and installed appropriately for the specific application but later, over time, improperly maintained; respectively, the situation in which they were inappropriately selected from the beginning for the intended application, by ignoring t
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Mereu, Luigi, and Simona Scollo. "Detecting Etna Explosive Activity by X- and C-Band Radars." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10641519.

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Romeo, Francesco, Luigi Mereu, and Simona Scollo. "Micro-Millimeter and Thermal-Infrared Radiometric Data for Volcanic Explosive Activity: the Manam Case Study." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642351.

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Pupazan, Daniel, Andrei Lucian Gireada, George Artur Gaman, Cosmin Ilie, and Cristian Nicolescu. "DEVELOPING THE PRACTICAL SKILLS OF RESCUERS FOR INTERVENTIONS IN HIGH TEMPERATURE AREAS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s03.34.

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In the case of dangerous incidents produced in industrial technological processes, where hydrogen is used, their mastery requires, in addition to a personnel servicing the facilities properly trained for such situations, the participation of professional staff for interventions in dangerous environments. The activity of intervention and rescue in special conditions, in potentially explosive areas due to the appearance of hydrogen can be carried out exclusively by specialized personnel trained and authorized in this regard, personnel using individual breathing protection devices. The critical f
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Miron, Claudia, Cristian Radeanu, Stefan Ilici, Dan Pintilie, and Ciprian Mateiu. "RISK ASSESSMENT AT DEMOLITION ACTIVITY OF INDUSTRIAL / CIVIL OBJECTIVES WITH THE EXPLOSIVES FOR CIVIL USES." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s03.47.

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The paper presents a theoretical and practical approach to the concept of risk assessment specific for the demolition of the industrial civil objectives with the help of explosives in terms of ensuring security premises for the effects generated following the blasting demolition work of this type of constructions. Blasting realization of industrial civil objectives to be demolished involves a series of operations that generate health and safety risks to economic operator employees which are carrying out work and for people in neighborhoods and the environment. The primary goal of occupational
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Radeanu, Cristian, Miron Claudia, Vasilescu Gabrie, Pintilie Dan, and Popescu Claudius. "COMPUTERISED RISK ASSESSMENT FOR STORAGE OF PYROTECHNIC ARTICLES." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/1.1/s03.33.

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Safety protection against detonation due to accidental initiation of stored fireworks is of particular interest for safety because such detonations endanger the life and health of workers as a result of the uncontrollable effects of deflagration and pressure, the presence of toxic reaction products and the consumption of oxygen in ambient air which workers must breathe. At the same time, it should be borne in mind that material losses caused by explosions can be particularly high. The existence of the danger of accidental initiation / detonation of stored pyrotechnic articles determines impera
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Capuzzo‐Dolcetta, R. "Galactic nuclei formation and activity induced by globular cluster merging." In THE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS. American Institute of Physics, 2007. http://dx.doi.org/10.1063/1.2774952.

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Moreland, W. M., T. Thordarson, and B. F. Houghton. "NATURE OF EXPLOSIVE ACTIVITY IN THE 10TH CENTURY ELDGJA ERUPTION, ICELAND." In 113th Annual GSA Cordilleran Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017cd-292830.

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Taddeucci, Jacopo, Piergiorgio Scarlato, Elisabetta Del Bello, Giancarlo Tamburello, and Damien Gaudin. "Eruptions from UV to TIR: multispectral high-speed imaging of explosive volcanic activity." In Hyperspectral Imaging and Sounding of the Environment. OSA, 2018. http://dx.doi.org/10.1364/hise.2018.hm2c.2.

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Wieser, Penny, Marie Edmonds, Cheryl Gansecki, et al. "EXPLOSIVE ACTIVITY ON KĪLAUEA’S LOWER EAST RIFT ZONE FUELLED BY A VOLATILE-RICH, DACITIC MELT." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-379565.

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Reports on the topic "Explosive activity"

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Schmit, Steve. Cut and capture system technology for demilitarization of underwater munitions. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48376.

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Munitions are encountered in a variety of underwater environments as unexploded ordnance (UXO) or munitions and explosives of concern (MEC). These items can cause unacceptable explosive risks to critical infrastructure, recreational divers, and fishermen. The primary goal of the demonstrations was to validate an underwater suite of tools that can be used to render underwater UXO and MEC safe in shallow water (i.e., up to 100 ft). US Navy underwater ranges in the Gulf of Mexico, south of the Naval Support Activity–Panama City, were selected for the first two demonstrations to fully display the
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Alter, Ross, Michelle Swearingen, and Mihan McKenna. The influence of mesoscale atmospheric convection on local infrasound propagation. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48157.

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Infrasound—that is, acoustic waves with frequencies below the threshold of human hearing—has historically been used to detect and locate distant explosive events over global ranges (≥1,000 km). Simulations over these ranges have traditionally relied on large-scale, synoptic meteorological information. However, infrasound propagation over shorter, local ranges (0–100 km) may be affected by smaller, mesoscale meteorological features. To identify the effects of these mesoscale meteorological features on local infrasound propagation, simulations were conducted using the Weather Research and Foreca
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Montgomery, Cheryl, Brooke Stevens, E. Bourne, and Heather Theel. A field sampling and analysis protocol for assessing occupational exposure and risk from military munition storage magazines. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49810.

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An occupational health study was conducted inside reinforced-concrete earth-covered munitions storage magazines at Fort Wingate Depot Activity. HEPA vacuuming of bulk dust and wipe sample verification post-vacuuming was used. In Phase 1, no explosives detections exceeded site-specific screening criteria. In Phase 2, no exceedances were noted for detected explosives with criterion. Using structure/ reactivity characteristics within the explosives category, surrogates were assigned to the six explosives without occupational health screening criteria. Based upon structural similarities within the
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Wongpakdeea, Thinnapong, Karin Crenshaw, Hery Figueroa Wong, Duangjai Nacapricha, and Bruce McCord. Advancements in Analytical Techniques for Rapid Identification of Gunshot Residue and Low Explosives through Electrochemical Detection and Surface-Enhanced Raman Spectroscopy. Florida International University, 2024. https://doi.org/10.25148/gfjcsr.2024.7.

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This research focuses on developing two analytical methods for forensic investigations using electrochemical detection and surface-enhanced Raman spectroscopy. For electrochemical analysis, screen-printed carbon electrodes are used to detect metals and nitrate/nitrite compounds commonly found in gunshot residue. Gold electrodeposition and copper modification enhance sensitivity and catalytic activity, respectively. Additionally, a screen-printed gold electrode modified with gold nanoparticles enables surface-enhanced Raman spectroscopy, requiring only a single drop of sample solution. Testing
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Bell, Haley, Bradford Songer, Christopher Moore, and James Rowland. Evaluation of Tekcrete Fast for airfield pavement repairs. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49802.

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Tekcrete Fast is a deployable, high-strength cementitious product with rapid bonding force that was initially developed to provide stability for structures damaged by seismic activity and explosives. The product was evaluated by researchers at the US Army Engineer Research and Development Center for its ability to execute necessary force projection and resilient infrastructure repairs for the US military without major negative impacts to the mission. Full-scale testing of the rapidly emplaced calcium-sulfoaluminate (CSA) concrete product was completed to identify the sustainability and strengt
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Jefferson, Brian. Reviewing Information Technology, Surveillance, and Race in the US. Just Tech, Social Science Research Council, 2022. http://dx.doi.org/10.35650/jt.3033.d.2022.

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The past decade has been marked by a growing awareness of the potential harms of personal computing. This recent development was spurred by a surge of news reports, films, and studies on the unforeseen side effects of constantly using networked devices. As a result, the public has become increasingly aware of the cognitive, ideological, and psychological effects associated with the constant use of personal computing devices. Alongside these revelations, a growing chorus of activists, journalists, organizers, and scholars have turned attention to surveillance technology-related matters of a dif
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Barquet, Karina, Elin Leander, Jonathan Green, et al. Spotlight on social equity, finance and scale: Promises and pitfalls of nature-based solutions. Stockholm Environment Institute, 2021. http://dx.doi.org/10.51414/sei2021.011.

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Human activity has modified and deteriorated natural ecosystems in ways that reduce resilience and exacerbate environmental and climate problems. Physical measures to protect, manage and restore these ecosystems that also address societal challenges in sustainable ways and bring biodiversity benefits are sometimes referred to as “nature-based solutions” (NBS). For example, reducing deforestation and restoring forests is a major opportunity for climate mitigation, while protecting or restoring coastal habitats can mitigate damage to coastal areas from natural hazard events, in addition to poten
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Kurmann, André, Étienne Lalé, and Lien Ta. Measuring Small Business Dynamics and Employment with Private-Sector Real-Time Data. CIRANO, 2022. http://dx.doi.org/10.54932/xsph3669.

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The COVID-19 pandemic has led to an explosion of research using private-sector datasets to measure business dynamics and employment in real-time. Yet questions remain about the representativeness of these datasets and how to distinguish business openings and closings from sample churn – i.e., sample entry of already operating businesses and sample exits of businesses that continue operating. This paper proposes new methods to address these issues and applies them to the case of Homebase, a real-time dataset of mostly small service-sector sector businesses that has been used extensively in the
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Galang, Ivory Myka. Is Food Supply Accessible, Affordable, and Stable? The State of Food Security in the Philippines. Philippine Institute for Development Studies, 2022. https://doi.org/10.62986/dp2022.21.

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Based on The Economist’s 2021 Global Food Security Index (GFSI), the Philippines ranked 64th out of 113 countries in terms of its four dimensions of food security. After the World War II ended, the world still had to contend with population explosion, hunger, and poverty. The Philippines, just like other countries in the world, was actively searching for solutions through the conduct of research and the implementation of various agricultural programs and nutrition programs aimed at increasing food production and fighting the widespread malnutrition, especially among Filipino children. Since th
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