Jie Xiang

Nov 23, 2024 | mdpi.com | Wenjie Wang |Sheng Wang |Jie Xiang

1. IntroductionIn today’s world, the efficient development and utilization of resources serve as a crucial driving force for national economic development [1,2]. The wire-line core drilling technology is currently the most widely used core drilling technique in mining engineering, often employing a clamp-type spring to grip the core. When drilling in intact formations, this method can ensure a core recovery rate of approximately 95% [3,4,5].

Jul 28, 2023 | mdpi.com | Jiayu Lu |Dandan Li |Jie Xiang |Ting Yan

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