637 resultados para Gun-carriages.


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Reducing or preventing the misuse of firearms (whether criminal, suicidal or accidental) is central to gun controls policy. In June 1997 the New Zealand Government received the recommendations of the Review of Firearms Control, an independent inquiry commissioned by the Minister of Police and chaired by Sir Thomas Thorp.The Review comprehensively examined several firearm-related issues, including the nature and extent of serious firearm offending in New Zealand. The research presented in this article was commissioned by the Review. Based on a population of 709 offences for the 12 months ending 30 June 1996, this study provides an analysis of serious firearm offending in New Zealand and discusses the implications of these findings for gun controls policy.

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The current discourse surrounding victims of online fraud is heavily premised on an individual notion of greed. The strength of this discourse permeates the thinking of those who have not experienced this type of crime, as well as victims themselves. The current discourse also manifests itself in theories of victim precipitation, which again assigns the locus of blame to individuals for their actions in an offence. While these typologies and categorisations of victims have been critiqued as “victim blaming” in other fields, this has not occurred with regard to online fraud victims, where victim focused ideas of responsibility for the offence continue to dominate. This paper illustrates the nature and extent of the greed discourse and argues that it forms part of a wider construction of online fraud that sees responsibility for victimisation lie with the victims themselves and their actions. It argues that the current discourse does not take into account the level of deception and the targeting of vulnerability that is employed by the offender in perpetrating this type of crime. It concludes by advocating the need to further examine and challenge this discourse, especially with regard to its potential impact for victim’s access to support services and the wider criminal justice system.

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Jumping the Gun is a play written for secondary school audiences. It follows the lives of three senior school students as they navigate moral, ethical and personal choices during the final year of school.

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Argues that as a more effective precuationary measure, it would seem that the firearms revocation threshold should be substantially lowered, or at least further clarified in guidance. Response to public debate in light of school shootings.

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The effect of substrate laser-discrete quenching on the degradation failure of chromium-plated gun barrels was metallurgically investigated. The results show that substrate laser-discrete quenching changes the failure patterns of chromium coatings during firing, and some periodic through-thickness cracks in the fired chromium coatings are justly located at original substrate zones between two adjacent laser-quenched tracks. Moreover, chromium coatings and the laser-quenched zones on the substrate are simultaneously degraded in microstructure and property during firing. Furthermore, the periodic structure of the laser-discrete-quenched steel (LDQS) substrate near the breech remains after firing, and the hardness of the fired laser-quenched zones is still higher than that of original substrates. The specific failure features were utilized to illustrate the mechanism of the extended service life of chromium-plated gun barrels with the LDQS substrate. (c) 2007 Elsevier B.V All rights reserved.

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In order to obtain an overall and systematic understanding of the performance of a two-stage light gas gun (TLGG), a numerical code to simulate the process occurring in a gun shot is advanced based on the quasi-one-dimensional unsteady equations of motion with the real gas effect,;friction and heat transfer taken into account in a characteristic formulation for both driver and propellant gas. Comparisons of projectile velocities and projectile pressures along the barrel with experimental results from JET (Joint European Tons) and with computational data got by the Lagrangian method indicate that this code can provide results with good accuracy over a wide range of gun geometry and loading conditions.

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Analytic expression of pellet acceleration by constant base pressure with consideration of gas-wall friction, heat transfer and viscous dissipation that important for high speed injection is obtained. The process of compression stage is formulated by a set of governing equations and can be numerically integrated. Excellent confirmation with experiments is obtained and the ways to optimum match the compression stage with the launch stage are suggested.