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Updated: Jul 29, 2026

Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
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Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores

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在金属化陶环表面检测微针孔缺陷,将改进的DETR网络与形态操作相结合

Yisong Xiao1, Xian Wang1, Yunlong Liu2

  • 1School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan, China.

PloS one
|April 22, 2025
PubMed
概括

本研究介绍了一种先进的方法,用于检测金属化陶环上的微小针孔缺陷,使用改进的检测变压器 (DETR) 网络和形态操作. 这种新的方法实现了高精度和回忆,大大改善了工业应用中的缺陷检测.

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Imperfections in Crystal Structure: Non-Stoichiometric Defects01:29

Imperfections in Crystal Structure: Non-Stoichiometric Defects

Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...