At present the naval gun is the main force of short-range anti-missile. The small caliber naval guns’ impact and penetration effect are the main factors for damaging anti-ship missile. In this paper, the damage mechanism of the anti-ship missile and the vulnerability of a typical missile are studied. On the basis of that, vulnerability function of anti-ship missile is put forward and vulnerability model of one of the important parts of the missile with typical material is built and simulated. It’s useful to the study of the further model of vulnerability analysis of whole anti-ship missiles.
Scutellariae (Huangqin) is a traditional medicine that is widely applied in China for the treatment of cold and fever, and nowadays research found that it can against pathogenic microorganism. Flavonoids is the main active constituent isolated from Scutellariae and possesses outstanding antibiosis activity. Scutellaria flavonoids displayed antiseptic actions and anti-resistance, including but not limited to destroy bacterial biofilm, suppressed activity of the DNA enzyme, restrain efflux pump and quorum-sensing system. This paper highlights and discusses the antibiosis activity of Scutellaria flavonoids, along with possible mechanisms of its action. hoping to providing basis and evidence for clinical application.
3-D object recognition was different from 2-D one. In order to improve recognition rate, it was necessary to establish a full features base. With object as center, the paper offered a view space projection method of Multi-Camera Revolve Batch Rendering. Firstly, constructed three dimensional models for object, set positions for model and camera of top view. Then by the max panel stick to one of axis angle, copied camera with equal interval. Set up the moving path for hemisphere, and constraint to corresponding camera. In the last, established batch script with output parameters, automatic preservation random projection images for three dimensional objects.
Naval gun guided projectile is an important direction of the development of naval ammunition, which can effectively enhance the capacity of firepower support and anti-missile. Penetration damage of naval gun guided projectile to typical anti-ship missile in proximity mode is researched in the paper. Damage of the two different damage elements (fragment and discrete rod) to warhead cabin of missile is simulated with ANSYS/LS-DYNA finite element analysis software and analyzed. Its useful to the study of the further model of vulnerability analysis of whole anti-ship missiles and offer theory reference to enhancing the damage effect of naval gun guided projectile.
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