Results 81 to 90 of about 8,141 (130)

[Different Astragalus medicinal pairs improve diabetic nephropathy in mice by regulating lipid peroxidation through PTGS2]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Chen X   +7 more
europepmc   +1 more source

[Review of application of U-Net and Transformer in colon polyp image segmentation]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Shi Y, Sun S, Liu J, Ma J, Li M.
europepmc   +1 more source

计及储能装置与配网重构的主动配电网分层优化调度

open access: yesGaoya dianqi
针对高比例分布式电源(distributed generation,DG)并网导致的网络损耗增加和电压偏差增大等问题,提出一种计及储能装置(energy storage system,ESS)和配网重构的主动配电网分层优化调度策略。该策略首先考虑配电网运行的经济性,以储能系统削峰填谷效果最优和套利收益最大为目标,构建上层优化模型,优化储能系统在各个时段的总充放电功率;其次,为了增强配电网运行的可靠性,以网络损耗成本、设备动作成本和电压偏差最小为目标,构建下层优化模型,调整网络拓扑结构 ...
郑罡   +5 more
doaj  

退耕还林还草下生态农业发展模式初探

open access: yesShuitu Baochi Xuebao, 2004
在分析生态农业研究成果和退耕还林还草下生态经济系统演变特征的基础上,提出了黄土丘陵区应构建以“草、林—牧—农”型系统循环链网为中心,以“菜、果—农”型系统循环链网为重要补充,进而发展为“草、林、农—牧—工—商”型系统循环链网或“菜、果—工—商”型系统循环链网的商品型生态农业模式。
doaj  

[Diffusion cycle-consistent generative adversarial networks for pelvic active bone marrow segmentation]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Zhuo L   +5 more
europepmc   +1 more source

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