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Abstract: The hybrid finite element spectral integral (FESI) method is developed to solve the radiation and scattering problems of multiple circular cylinders with inhomogeneous shells. The FESI ...

Greenpeace activists stage protest outside Shell HQ contrasting extreme weather damage costs to oil giant’s profits - photographs available here Shell's 2025 annual profits statement of £13.6 billion ...

Abstract: In order to improve the robustness of the positioning control of an artillery shell chain rammer under different loads in the process of artillery shell rammer operation, this paper proposes ...