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Forensic utility of isotope ratio analysis of the explosive urea nitrate and its precursors.
Forensic Science International, 2011Urea nitrate (UN) is an improvised explosive made from readily available materials. The carbon and nitrogen isotope composition of UN and its component ions, urea and nitrate, could aid in a forensic investigation. A method was developed to separate UN into its component ions for δ(15)N measurements by dissolving the sample with KOH, drying the sample,
Roman Aranda +5 more
semanticscholar +3 more sources
Recent advances in stable isotope ratio analysis of common explosives
Chinese Journal of Chromatography, 2021The ratio of stable isotopes of the elements in explosives differs depending on the raw materials obtained from different geographical sources or the production processes adopted. Hence, this ratio can be used as an important index for the comparison and trace of explosives.
Can, Hu +5 more
openaire +2 more sources
Journal of Molecular Liquids, 2021
Nanostructure can apparently affect explosive boiling through surface roughness that functions as a cavity for activating the bubble nucleus. In this work, the effect of surface roughness on the explosive boiling of water film over the copper surfaces ...
P. Bai, Leping Zhou, Xiaoze Du
semanticscholar +1 more source
Nanostructure can apparently affect explosive boiling through surface roughness that functions as a cavity for activating the bubble nucleus. In this work, the effect of surface roughness on the explosive boiling of water film over the copper surfaces ...
P. Bai, Leping Zhou, Xiaoze Du
semanticscholar +1 more source
Propellants, Explosives, Pyrotechnics, 2023
AbstractTo study the underwater explosion energy characteristics of CL‐20‐based aluminized explosives with different Al/O ratio, underwater detonation parameters of explosives, including the shock wave peak pressure, the decay time, the bubble pulsation period, the shock wave energy and the bubble energy at 1 m, were measured by a series of underwater ...
Lina Yao +4 more
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AbstractTo study the underwater explosion energy characteristics of CL‐20‐based aluminized explosives with different Al/O ratio, underwater detonation parameters of explosives, including the shock wave peak pressure, the decay time, the bubble pulsation period, the shock wave energy and the bubble energy at 1 m, were measured by a series of underwater ...
Lina Yao +4 more
openaire +1 more source
Materials Today: Proceedings, 2021
Explosive cladding is known for its ability to join a wide variety of metals that other welding methods cannot do. In this present work, the weldability of aluminium alloy and mild steel plates and their bonding strength through an explosive cladding ...
Praveena Raj +3 more
semanticscholar +1 more source
Explosive cladding is known for its ability to join a wide variety of metals that other welding methods cannot do. In this present work, the weldability of aluminium alloy and mild steel plates and their bonding strength through an explosive cladding ...
Praveena Raj +3 more
semanticscholar +1 more source
Composite structures subjected to underwater explosive loadings: A comprehensive review
, 2021Composites materials and structures are increasingly used to replace conventional materials in civilian and defence-related maritime transportation and infrastructure such as naval vessels, submarines, civilian ships, and oil platforms for its better ...
P. Tran +5 more
semanticscholar +1 more source
Spectral ratio analyses of explosion earthquakes at Sakurajima Volcano, Japan
Journal of Volcanology and Geothermal Research, 2019Abstract It's quite important to clarify what physical parameters control the magnitude of volcanic explosion to understand magma processes in the conduit. Analyses of explosion earthquakes, which are associated with vulcanian eruptions, enable us to quantitatively evaluate dynamic process of the explosive eruptions.
Mohammad Hasib +2 more
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Social Science Research Network, 2023
Employing both experimental and computational methods, this paper investigates the propagation characteristics of the explosion flame for two cases with gradually increasing and decreasing barrier ratios of continuous obstacles. Three variation gradients
Shuo Wang +3 more
semanticscholar +1 more source
Employing both experimental and computational methods, this paper investigates the propagation characteristics of the explosion flame for two cases with gradually increasing and decreasing barrier ratios of continuous obstacles. Three variation gradients
Shuo Wang +3 more
semanticscholar +1 more source
Enhanced signal-to-noise ratio and bandwidth through explosives design
Geophysics of the 21st Century - The Leap into the Future, 2003Summary The signal-to-noise ratio and bandwidth of explosivesourced seismic data are the direct result of the properties of the explosives used and the nearsurface conditions. Conventional wisdom has dictated that certain properties are desirable in seismic explosives.
D. Bremner +3 more
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, 2020
This paper studies how the properties of cylindrical explosive charges influence their generated blast loads (peak overpressure and maximum impulse) for surface burst scenarios, focusing on the aspect ratio (or length-to-diameter ratio) of the cylinder ...
Weifang Xiao +2 more
semanticscholar +1 more source
This paper studies how the properties of cylindrical explosive charges influence their generated blast loads (peak overpressure and maximum impulse) for surface burst scenarios, focusing on the aspect ratio (or length-to-diameter ratio) of the cylinder ...
Weifang Xiao +2 more
semanticscholar +1 more source