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  1. No Access

    Article

    An outstanding adaptive multi-feature fusion YOLOv3 algorithm for the small target detection in remote sensing images

    Deep learning-based target detection for optical remote sensing images is a significant research direction in the field of image processing. Different from natural images, remote sensing images are characteriz...

    Guoqiang Li, **nyu Hao, Linlin Zha, Anbang Chen in Pattern Analysis and Applications (2022)

  2. No Access

    Article

    Isolation of highly pure erlotinib hydrochloride by recrystallization after nucleophilic substitution of an impurity with piperazine

    Optimized synthesis and purification of erlotinib hydrochloride (N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazoline-4-amine hydrochloride) were studied. Highly polar piperazine was used in a nucleophilic sub...

    Gengzhen Zhang, Linlin Zha in Research on Chemical Intermediates (2013)