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Spartina alterniflora Loisel. is a serious exotic and invasive weed in many nations including China. In present study, the method of biocontrol was used to control the weed by a fungal pathogen-Fusarium subglutinans. In addition, we compared the conidia of F. subglutinans with the metabolite virulence. The experimental results manifested that the effective ingredient was the conidia of F. subglutinans...
Stationkeeping system of deep-water drilling device is essential for offshore drilling; the choice of positioning methods is related to the security, stability and engineering costs of the drilling. Mooring positioning system is commonly used in deepwater drilling device. How to choose the positioning means of deepwater drilling device and taut-wire mooring system which is suitable for deep-water...
It is a great interest in achieving a practical approach to predict and assess the dynamical behavior of UUV (Unmanned Underwater Vehicle) during incautious water entry or its launching. In this paper the oblique water-entry impacting model of UUV is established based on exact body shape approach during the initial stage of UUVpsilas entering the water surface. In the theoretic model a wetted correction...
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