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5篇 您的检索式:作者名="Zhujun Yuan"
    题名 作者 年代 出处 被引量
1Discovery of tip induced unconventional superconductivity on Weyl semimetal显示文摘Weyl fermion is a massless Dirac fermion with definite chirality,which has been long pursued since 1929.Though it has not been observed as a fundamental particle in nature,Weyl fermion can be realized as low-energy excitation around Weyl point in Weyl semimetal,which possesses Weyl fermion cones in the bulk and nontrivial Fermi arc states on the surface. As a firstly discovered Weyl semimetal,Ta As crystal possesses 12 pairs of Weyl points in the momentum space,which are topologically protected against small perturbations. Here,we report for the first time the tip induced superconductivity on Ta As crystal by point contact spectroscopy. The zero bias conductance peak as well as a conductance plateau with double conductance peaks and sharp double dips are observed in the point contact spectra simultaneously,indicating unconventional superconductivity. Our further theoretical study suggests that the induced superconductivity may have nontrivial topology. The present work opens a new route in investigating the novel superconducting states based on Weyl materials.He Wang Huichao Wang Yuqin Chen Jiawei Luo Zhujun Yuan Jun Liu Yong Wang Shuang Jia Xiong-Jun Liu jian Wei Jian Wang 2017Science Bulletin2017,62,6:7
2Newmark displacement model for landslides induced by the 2013 Ms 7.0 Lushan earthquake, China显示文摘Renmao YUAN Qinghai DENG Dickson CUNNINGHAM Zhujun HAN Dongli ZHANG Bingliang ZHANG 2016Frontiers of Earth Science2016,10,4:7
3Frequent Gain and Loss of Resistance against Tobacco Mosaic Virus in Nicotiana Species显示文摘Yuan, Xinjie Yan, Chenghuan Wu, Zhujun Ren, Feihong Zhang, Hui Baker, Barbara Chen, Jiongjiong Kuang, Hanhui 2015Molecular Plant2015,8,12:5
4Advanced duodenal carcinoma:Chemotherapy efficacy and analysis of prognostic factors显示文摘Objective This study aimed to determine the efficacy of chemotherapy and to identify potential chemotherapy agents to treat advanced primary duodenal carcinoma(PDC). Methods Seventy-three patients with advanced PDC were included in the study. Response rate(RR), disease control rate(DCR), progression-free survival(PFS), overall survival(OS) and prognosis were compared among patients using the Cox proportional hazards model. Results The overall RR and DCR of 52 patients were 21.15% and 69.23%, respectively. The median PFS and OS times were 4.51 and 11.47 months, respectively. Palliative chemotherapy improved the OS of patients with advanced PDC compared with patients who did not receive chemotherapy(14.28 months vs. 5.20 months, HR = 0.205, 95% CI: 0.077 to 0.547, P = 0.0016). Multivariate analysis indicated mucinous histology and liver metastasis as factors predictive of poor prognosis in patients with advanced PDC. Conclusion Palliative chemotherapy may improve the OS of patients with advanced PDC. Mucinous histology and liver metastasis were the main prognostic factors in patients with advanced PDC.Junbao Liu Chengxu Cui Lifang Yuan Jinwan Wang Shuping Shi Zhujun Shao Haijian Tang Tingting Yang Chunhui Gao Nan Wang Wei Liu 2016Oncology and Translational Medicine2016,2,1:1
56-12 Optimization Studies of the Superconducting Linac显示文摘The research accelerators are growing in energy and power which induces an increase of the project costs(Fig. 1).The RF cavities and power supply mainly contribute the cost of the superconducting linac, which is a competitive technology for high power machine. A code with optimization algorithm is developed to optimize the beta value of SC cavity family and transition energy to increase the TTF value of the whole linac.Tao Yue Wang Zhujun Liu Shuhui Jia Huan Chen Weilong Feng Chi He Yuan 2015IMP & HIRFL Annual Report2015,,1:0
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