Judicious 发表于 2025-3-28 17:16:48
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Measurement of the Dynamic Fracture Toughness of Alumina Ceramic,son pressure bar was used to apply dynamic loading. The three-point bending (TPB) test with a pre-crack and semi-circular bending (SCB) test with a pre-crack, and the flattened Brazilian disc (FBD) test without a pre-crack were used to measure the dynamic fracture toughness of alumina ceramic. The d愉快么 发表于 2025-3-29 02:52:29
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One Man’s Heavenen Okri, Roman Krznaric, Kim Stanley Robinson, and Rob Hopkins. We will consider the merits and weaknesses of examples of this more positive approach including Solarpunk, Hopepunk, and Green Stories. Finally, we shall discuss ‘imagineering’ and thinking ‘outside of the box’.旋转一周 发表于 2025-3-30 02:13:23
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