Normal planar undulators doubling as transverse gradient undulators by Qika Jia, Heting Li

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Generation of coherent two-color pulses at two adjacent harmonics in a seeded free-electron laser by Zhouyu Zhao, Heting Li, Qika Jia

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Polarization switching of segmentally helical undulators in a diffraction-limited storage ring by Nanrui Yang, Yuanfang Xu, Zhouyu Zhao, Heting Li

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High efficiency tapered free-electron lasers with a prebunched electron beam from echo-enabled harmonic generation by Zhouyu Zhao, Yuanfang Xu, Qika Jia, Heting Li

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Solving the spectral gap problem with a four-mirror bow-tie cavity in waveguide free-electron laser oscillators by Mengqi Xia, Yuanfang Xu, Zhouyu Zhao, Heting Li

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Horizontal well fracturing mode of 'increasing net pressure, promoting network fracture and keeping conductivity' for the stimulation of deep shale gas reservoirs: A case study of... by Hua Duan, Heting Li, Junqing Dai, Yongjun Wang, Si'an Chen

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Knowledge and awareness of nicotine, nicotine replacement therapy, and electronic cigarettes among general practitioners with a special interest in respiratory medicine in China by Qian Zhong, Kang An, Zengxiang Wu, Haijun Zhang, Shengxi Li, Lin Zhang, Caizheng Li, Heting Li, Qi Mei Zhuo Ga, De Ji Yang Zong, Zhenmei An

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Familiarity of teaching skills among general practitioners transfer training trainers in China: a cross-sectional survey by Kang An, Ruohan Zhang, Binlu Zhu, Liyun Liu, Jiayu Tang, Yiru Ma, Zengxiang Wu, Lin Zhang, Yi She, Dan Luo, Caizheng Li, Heting Li, Yuehua Ma, Weichang Shi, Qiaoli Su, Shuangqing Li

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