[目的] 东北黑土区切沟侵蚀不断蚕食耕地资源,威胁我国粮食安全。无人机技术的发展为沟蚀监测提供有效手段,但获取数据分辨率越高耗时越长,如何配置无人机参数,使其既能满足精度要求又能提高航摄效率是当前需要解决的问题。[方法] 选择东北漫川漫岗区的鹤北流域为研究区,以实地断面测量数据为验证值,通过评估不同分辨率、不同飞行航向及不同无人机数据提取的切沟参数精度,探究不同无人机参数配置的适用条件。[结果] (1)与实测值相比,分辨率1 cm数据提取的切沟参数精度最高 ...
唐杰, 谢云, 刘川, 张岩
doaj
[Recent applications of porous-material-based adsorbents for extracting pesticide residues from environmental and foodstuff samples]. [PDF]
Xu QT, Yu M, Xie C, Cao Y, Mei SR.
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A fusion model of manually extracted visual features and deep learning features for rebleeding risk stratification in peptic ulcers. [PDF]
Zhou P +5 more
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[Determination and antioxidant analysis of seven flavonoids in bamboo-leaf extracts]. [PDF]
Gu LL, Yao X, An RM, Guo XF.
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[Gynostemma pentaphyllum ethanol extract ameliorates motor dysfunction in a Parkinson's disease mouse model through inhibiting neuronal apoptosis]. [PDF]
Zhao T +5 more
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Xia S +8 more
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Zhang L, Yan S, Gu C.
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Shi HF, Xu BP, Xu CX, Zhou XQ, Xu HF.
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Yang H, Liu Y, Xia L.
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Peng L, Quan H.
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