Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Heting Li"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract The generation of intense coherent radiation pulses in the far-infrared and terahertz regimes is of considerable interest to the free-electron laser (FEL) radiation user community. At long wavelengths, the diffraction effect can be quite sev
Externí odkaz:
https://doaj.org/article/a32f4cad4bcb4eeab122e781bea79e9b
Autor:
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
Publikováno v:
BMC Medical Education, Vol 23, Iss 1, Pp 1-8 (2023)
Abstract Background The insufficient number of general practitioners (GPs) is a major challenge facing China’s healthcare system. The purpose of the GP transfer training programme was to provide training for experienced doctors to transition to gen
Externí odkaz:
https://doaj.org/article/cd242ce989f642fe9fea988eaa13e6b1
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 7, p 070702 (2024)
The fast polarization switching of undulator radiation has attracted more and more attention in recent years. In this paper, a new method is proposed for fast polarization switching of undulator radiation by using magnetic field modulation generated
Externí odkaz:
https://doaj.org/article/00e8cc247069439b85c6cb4a483115cc
Autor:
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
Publikováno v:
Frontiers in Medicine, Vol 10 (2024)
ObjectivesThis study aimed to assess the knowledge and awareness of nicotine, nicotine replacement therapy (NRT), and electronic cigarettes (e-cigarettes) among general practitioners with a special interest (GPwSIs) in respiratory medicine.MethodsA c
Externí odkaz:
https://doaj.org/article/c735bb676ece463ba554b5097ea19b9c
Publikováno v:
Physical Review Accelerators and Beams, Vol 26, Iss 8, p 080701 (2023)
Polarization switching of synchrotron radiation has wide application prospects in various areas, requiring a high switching frequency between horizontally linear polarization (HLP) and vertically linear polarization (VLP) or between left-hand circula
Externí odkaz:
https://doaj.org/article/5f33bb7025254405bd817abb093a816a
Publikováno v:
Physical Review Accelerators and Beams, Vol 26, Iss 7, p 070701 (2023)
Undulator tapering based on a prebunched electron beam and a strong seed laser has been demonstrated as a promising method to greatly enhance free-electron laser (FEL) efficiency and suppress sideband instability. Different from the former works that
Externí odkaz:
https://doaj.org/article/7e779f9edbaa40fe817d7c794f9322f2
Publikováno v:
Natural Gas Industry B, Vol 6, Iss 5, Pp 497-501 (2019)
The deep shale gas reservoirs of Upper Ordovician Wufeng–Lower Silurian Longmaxi Formation in the Dingshan area of the southeastern Sichuan Basin have a great burial depth and complicated geologic features, so the fracturing technologies that are u
Externí odkaz:
https://doaj.org/article/6ea0d3a166894444aaacfa9b89ff3623
Publikováno v:
Physical Review Accelerators and Beams, Vol 21, Iss 2, p 020701 (2018)
The growing requirements of pump-probe techniques and nonlinear optics experiments greatly promote the studies of two-color free-electron lasers (FELs). We propose a new method to generate coherent two-color pulses in a high-gain harmonic generation
Externí odkaz:
https://doaj.org/article/8527f38c24d34e87a4da53ef880828c5
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 2, p 020707 (2017)
The transverse gradient undulator (TGU) has important application in the short-wavelength high-gain free electron lasers (FELs) driven by laser-plasma accelerators. However, the usual transversely tapered TGUs need special design and manufacture, and
Externí odkaz:
https://doaj.org/article/1731df64f26647508a0efbcc295f5265
Autor:
Heting, Li, Qika, Jia
We put forward a method to optimize the step-tapering amplitude of undulator strength and initial energy detuning of electron beam with the goal of maximizing the saturation power of high-gain FELs, based on the physics of longitudinal electron beam
Externí odkaz:
http://arxiv.org/abs/1402.7123
