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多种复合指纹法示踪高寒区流域风水作用产沙来源

open access: yesShuitu Baochi Xuebao
目的为运用多种复合指纹法精准示踪高寒区河流、水库等水利设施在风、水复合侵蚀环境下的泥沙来源。方法在黄河龙羊峡水库支流沙沟河流域,采集风沙和水沙泥沙来源区的土壤样本,以及流域出口的新鲜泥沙样本。利用X射线荧光光谱仪测试40种元素指纹因子,采用多组指纹因子法、机器学习最佳复合指纹法、Walling⋅C最佳复合指纹法3种指纹法解析泥沙来源。结果在指纹因子筛选方面,CT-KW-DFA指纹因子筛选方法的DFA累计判别率为82.40%,CT-RF-DFA指纹因子筛选方法DFA累计判别率为100%,CT-RF ...
穆开放   +5 more
doaj  

[Progress in the application of artificial intelligence in assisted reproduction]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Li Q   +5 more
europepmc   +1 more source

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