[Multi-scale feature extraction and classification of motor imagery electroencephalography based on time series data enhancement]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023 Li H, Liu H, Chen H, Zhang R.
europepmc +1 more source
[Inhibitory Activity of Flower Extracts from Salvia deserta Schang on Streptococcus mutans]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue Ban, 2023 Wang LW +4 more
europepmc +1 more source
Shuitu Baochi Xuebao, 2002 以陕北绥德县韭园沟流域为试验样区，采用1：1万比例尺、5m分辨率DEM所提取的坡度为准值，研究该地区在同一比例尺、不同水平分辨率条件下DEM提取坡度因子的精度特征。该研究获得不同栅格分辨率DEM所提取地面坡度统计值的转换图谱。该成果对于正确估算DEM提取坡度等地形因子的精度与应用适用性，对于其它若干应用标准的制定，提供了重要的依据。
刘爱利 汤国安 秦鸿儒
doaj
[Spectrum-effect relationship of total anthraquinone extract of Cassia seeds against fluorouracil-induced liver injury in mice]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2023 Wang H +7 more
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[Xanthoceras sorbifolium Bunge flower extract inhibits benign prostatic hyperplasia in rats]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2022 Wang W +8 more
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[Rapid extraction and detection of five alkaloids in dried khat by solvent extraction-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry]. [PDF]
Se Pu, 2023 Shi HF, Xu BP, Xu CX, Zhou XQ, Xu HF.
europepmc +1 more source
[Screening of effective antioxidant components from Trichosanthes extract and assessment of their antioxidant activity]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2022 Sun M, Zou C, Yan H.
europepmc +1 more source
[Heart rate extraction algorithm based on adaptive heart rate search model]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2022 Meng R, Li Z, Yu H, Niu Q.
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[Review on identity feature extraction methods based on electroencephalogram signals]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2021 Zhong W, An X, Di Y, Zhang L, Ming D.
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Zhendong Ceshi yu Zhenduan铣削过程中动态切厚的再生效应引发的加工颤振现象严重影响加工质量和效率。对加工过程进行在线监测并及时相应采取措施，是避免加工颤振的重要手段。针对颤振特征现有自适应提取方法计算量大、模型结构复杂等问题，基于颤振信号的频域特性，提出频域特征自适应提取的铣削颤振判别方法。首先，分析颤振信号的频域特性；其次，设计频域特征自适应提取网络；然后，引入通道注意力机制，优化特征提取过程；最后，通过实验验证所提出方法的有效性。结果表明：该方法识别准确率在98%以上，同时显著提高了判别效率。
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