Abstract: The operation optimization problem of coal mine integrated energy system (CMIES) is characterized by multiobjective, strong constraints, large scale, and mixed variables. It is difficult for ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. In this April 4, 2013, file photo, a mining dumper ...

FILE - In this April 4, 2013, file photo, a mining dumper truck hauls coal at Cloud Peak Energy's Spring Creek strip mine near Decker, Mont. AP Photo/Matthew Brown, File) BILLINGS, Mont. (AP) — ...

Abstract: Contact flatness meters are essential for the online measurement and control of the flatness of cold-rolled strips. However, strip deviation during cold ...

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That’s no paper ring. Taylor Swift and Travis Kelce jointly announced their engagement on Instagram Tuesday, sharing photos of their romantic garden proposal — along with a close-up of the superstar’s ...

Travis Kelce went above and beyond when it came to picking out the perfect engagement ring for his fiancée, Taylor Swift. “Travis is incredibly thoughtful. He had a clear vision of what he wanted,” a ...

Taylor Swift’s engagement ring features an old mine cut diamond — an historic style with chunky facets and candlelit brilliance. Beyond beauty, it highlights the ethical and environmental benefits of ...

About 20 years ago, my colleagues and I were involved in a nationwide program spearheaded by the Centre for British Teachers (CBT) for a nationwide campaign for teachers and pupils emphasising on ...

Craftee crafts and uses 1,000,000 custom diamonds to gain ultimate power in Minecraft. Parkinson’s Isn’t Just Bad Luck. Scientists Reveal It’s Largely Preventable—and the Culprit Is All Around Us ...