基于改进Ｏｔｓｕ的煤体ＣＴ图像阈值分割算法的研究王㊀刚１，２，陈雪畅２，韩冬阳２，秦相杰２，冯㊀净２ （１．山东科技大学矿山灾害预防控制国家重点实验室培育基地，山东青岛㊀２６６５９０；２．山东科技大学安全与环境工程学院，山东青岛㊀２６６５９０）摘㊀要：煤体ＣＴ图像阈值选取的准确性对于三维...
the excellence of asbestos mainly refers to their chemical structure as follows ; 1.chemical structure;3MgO.3SiO2.(2-4H2O) having crystal water in their structure to keep asbestos frexible 2.unique structure; having a special fiber structure with several hundreds of fibrils tomake a bundle to...