Then, the prediction model based on grey system theory is introduced for the study of port crane, and a grey model GM(1,1) of crack propagation is established. Next, a generic predict formula of life ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Celebrity Big Brother begins on ITV1 and STV this coming week… ...