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43篇 您的检索式:作者名="Xiaobo Qu"
    题名 作者 年代 出处 被引量
1Insight-HXMT observations of the first binary neutron star merger GW170817显示文摘Finding the electromagnetic(EM) counterpart of binary compact star merger, especially the binary neutron star(BNS) merger,is critically important for gravitational wave(GW) astronomy, cosmology and fundamental physics. On Aug. 17, 2017,Advanced LIGO and Fermi/GBM independently triggered the first BNS merger, GW170817, and its high energy EM counterpart,GRB 170817 A, respectively, resulting in a global observation campaign covering gamma-ray, X-ray, UV, optical, IR, radio as well as neutrinos. The High Energy X-ray telescope(HE) onboard Insight-HXMT(Hard X-ray Modulation Telescope) is the unique high-energy gamma-ray telescope that monitored the entire GW localization area and especially the optical counterpart(SSS17 a/AT2017 gfo) with very large collection area(~1000 cm^2) and microsecond time resolution in 0.2-5 MeV. In addition,Insight-HXMT quickly implemented a Target of Opportunity(ToO) observation to scan the GW localization area for potential X-ray emission from the GW source. Although Insight-HXMT did not detect any significant high energy(0.2-5 MeV) radiation from GW170817, its observation helped to confirm the unexpected weak and soft nature of GRB 170817 A. Meanwhile,Insight-HXMT/HE provides one of the most stringent constraints(~10^(-7) to 10^(-6) erg/cm^2/s) for both GRB170817 A and any other possible precursor or extended emissions in 0.2-5 MeV, which help us to better understand the properties of EM radiation from this BNS merger. Therefore the observation of Insight-HXMT constitutes an important chapter in the full context of multi-wavelength and multi-messenger observation of this historical GW event.TiPei Li ShaoLin Xiong ShuangNan Zhang FangJun Lu LiMing Song XueLei Cao Zhi Chang Gang Chen Li Chen TianXiang Chen Yong Chen YiBao Chen YuPeng Chen Wei Cui WeiWei Cui JingKang Deng YongWei Dong YuanYuan Du MinXue Fu GuanHua Gao He Gao Min Gao MingYu Ge YuDong Gu Ju Guan ChengCheng Guo DaWei Han Wei Hu Yue Huang Jia Huo ShuMei Jia LuHua Jiang WeiChun Jiang Jing Jin YongJie Jin Bing Li ChengKui Li Gang Li MaoShun Li Wei Li Xian Li XiaoBo Li XuFang Li YanGuo Li ZiJian Li ZhengWei Li XiaoHua Liang JinYuan Liao CongZhan Liu GuoQing Liu HongWei Liu ShaoZhen Liu XiaoJing Liu Yuan Liu YiNong Liu Bo Lu XueFeng Lu Tao Luo Xiang Ma Bin Meng Yi Nang JianYin Nie Ge OU JinLu Qu Na Sai Liang Sun Yin Tan Lian Tao WenHui Tao YouLi Tuo GuoFeng Wang HuanYu Wang Juan Wang WenShuai Wang YuSa Wang XiangYang Wen BoBing WU Mei Wu GuangCheng Xiao He Xu YuPeng Xu LinLi Yan JiaWei Yang Sheng Yang YanJi Yang AiMei Zhang ChunLei Zhang ChengMo Zhang Fan Zhang HongMei Zhang Juan Zhang Qiang Zhang Shu Zhang Tong Zhang Wei Zhang WanChang Zhang WenZhao Zhang Yi Zhang Yue Zhang YiFei Zhang YongJie Zhang Zhao Zhang ZiLiang Zhang HaiSheng Zhao JianLing Zhao XiaoFan Zhao ShiJie Zheng Yue Zhu YuXuan Zhu ChangLin Zou 2018Science China(Physics,Mechanics & Astronomy)2018,61,3:12
2Modelling follow up time at a single-lane roundabout显示文摘The follow up time is an important parameter for estimating the entry capacity of roundabouts.However,its variability and contributing factors have long been ignored in the literatures.In this study,171 follow up samples and contributing factors(traffic volume,vehicle position,waiting vehicles behind,vehicle type,and drivers' gender) are collected at a roundabout in Pacific Pines,Australia.It is found that the follow up time is indeed significantly affected by traffic volume,waiting vehicles behind,vehicle type,and drivers' gender.In order to establish the relationship between the follow up time and its contributing factors,an inverse Gaussian regression model is further developed.This relationship could be applied to estimate the entry capacities by taking into account the variability of follow up samples.According to the model,the traffic volume and vehicle types are the most important contributing factors.Xiaobo Qu Jin Zhang Shuaian Wang Zhiyuan Liu 2014Journal of Traffic and Transportation Engineering(English Edition)2014,1,2:6
3The Medium Energy X-ray telescope (ME) onboard the Insight-HXMT astronomy satellite显示文摘The Medium Energy X-ray telescope(ME) is one of the three main telescopes on board the Insight hard X-ray modulation telescope(Insight-HXMT) astronomy satellite. ME contains 1728 pixels of Si-PIN detectors sensitive in 5-30 ke V with a total geometrical area of 952 cm^2. The application specific integrated circuit(ASIC) chip, VA32TA6, is used to achieve low power consumption and low readout noise. The collimators define three kinds of field of views(FOVs) for the telescope, 1°×4°, 4°×4°,and blocked ones. Combination of such FOVs can be used to estimate the in-orbit X-ray and particle background components.The energy resolution of ME is ~3 ke V at 17.8 ke V(FWHM) and the time resolution is 255 μs. In this paper, we introduce the design and performance of ME.XueLei Cao WeiChun Jiang Bin Meng WanChang Zhang Tao Luo Sheng Yang ChunLei Zhang YuDong Gu Liang Sun XiaoJing Liu JiaWei Yang Xian Li Ying Tan ShaoZhen Liu YuanYuan Du FangJun Lu YuPeng Xu Ju Guan ShuangNan Zhang HuanYu Wang TiPei Li ChengMo Zhang XiangYang Wen JinLu Qu LiMing Song XiaoBo Li MingYu Ge YuPeng Zhou ShaoLin Xiong Shu Zhang YongJie Zhang ZeHao Cheng Fei Zhang MaoShun Li XiaoHua Liang Min Gao EnBo Yang XiaoHang Liu HongWei Liu YiJung Yang Fan Zhang 2020Science China(Physics,Mechanics & Astronomy)2020,63,4:5
4Sin1/mTORC2 regulate B cell growth and metabolism by activating mTORC1 and Myc显示文摘Proper control of B cell growth and metabolism is crucial for B-cell-mediated immunity,but the underlying molecular mechanisms remain incompletely understood.In this study,Sin1,a key component of mTOR complex 2(mTORC2),specifically regulates B cell growth and metabolism.Genetic ablation of Sin1 in B cells reduces the cell size at either the transitional stage or upon antigen stimulation and severely impairs metabolism.Sin1 deficiency also severely impairs B-cell proliferation,antibody responses,and anti-viral immunity.At the molecular level,Sin1 controls the expression and stability of the c-Myc protein and maintains the activity of mTORC1 through the Akt-dependent inactivation of GSK3 and TSC1/2,respectively.Therefore,our study reveals a novel and specific role for Sin1 in coordinating the activation of mTORC2 and mTORC1 to control B cell growth and metabolism.Man Li Adam S.Lazorchak Xinxing Ouyang Huihui Zhang Hongzhi Liu Omotooke A.Arojo Lichong Yan Jingsi Jin Yuheng Han Guojun Qu Yuhong Fu Xiaocao Xu Xiaobo Liu Wenqian Zhang Zhengfeng Yang Chuan Ruan Qijun Wang Dou Liu Chuanxin Huang Lu Lu Shibo Jiang Fubin Li Bing Su 2019Cellular & Molecular Immunology2019,16,9:4
5Metabolic regulation of T cell development by Sinl-mTORC2 is mediated by pyruvate kinase M2显示文摘Glucose metabolism plays a key role in thymocyte development. The mammalian target of rapamycin complex 2 (mT0RC2) is a critical regulator of cell growth and metabolism, but its role in early thymocyte development and metabolism has not been fully studied. We show here that genetic ablation of Sinl, an essential component of mTORC2, in T lineage cells results in severely impaired thymocyte development at the CD4^- CD8^- double negative (DN) stages but not at the CD4^+ CD8^+ double positive (DP) or later stages. Notably, Sinl-deficient DN thymocytes show markedly reduced proliferation and glycolysis.Importantly, we discover that the M2 isoform of pyruvate kinase (PKM2) is a novel and crucial Sinl effector in promoting DN thymocyte development and metabolism. At the molecular level, we show that Sinl-mTORC2 controls PKM2 expression through an AKT-dependent PPAR-y nuclear translocation. Together, our study unravels a novel mTORC2-PPAR-γ-PKM2 pathway in immune-metabolic regulation of early thymocyte development.Xinxing Ouyang Yuheng Han Guojun Qu Man Li Ningbo Wu Hongzhi Liu Omotooke Arojo Hongxiang Sun Xiaobo Liu Dou Liu Lei Chen Qiang Zou Bing Su 2019Journal of Molecular Cell Biology2019,11,2:3
6Overview to the Hard X-ray Modulation Telescope (Insight-HXMT) Satellite显示文摘As China’s first X-ray astronomical satellite, the Hard X-ray Modulation Telescope (HXMT), which was dubbed as Insight-HXMT after the launch on June 15, 2017, is a wide-band(1-250 ke V) slat-collimator-based X-ray astronomy satellite with the capability of all-sky monitoring in 0.2-3 Me V. It was designed to perform pointing, scanning and gamma-ray burst(GRB)observations and, based on the Direct Demodulation Method (DDM), the image of the scanned sky region can be reconstructed.Here we give an overview of the mission and its progresses, including payload, core sciences, ground calibration/facility, ground segment, data archive, software, in-orbit performance, calibration, background model, observations and some preliminary results.Shuang-Nan Zhang TiPei Li FangJun Lu LiMing Song YuPeng X u CongZhan Liu Yong Chen XueLei Cao QingCui Bu Zhi Chang Gang Chen Li Chen TianXiang Chen YiBao Chen YuPeng Chen Wei Cui WeiWei Cui JingKang Deng YongWei Dong Yuan Yuan Du MinXue Fu GuanHua Gao He Gao Min Gao MingYu Ge YuDong Gu Ju Guan Can Gungor ChengCheng Guo DaWei Han Wei Hu Yue Huang Jia Huo ShuMei Jia LuHua Jiang WeiChun Jiang Jing Jin YongJie Jin Bing Li ChengKui Li Gang Li MaoShun Li Wei Li Xian Li XiaoBo Li XuFang Li YanGuo Li ZiJian Li ZhengWei Li XiaoHua Liang JinYuan Liao GuoQing Liu HongWei Liu ShaoZhen Liu XiaoJing Liu Yuan Liu YiNong Liu Bo Lu XueFeng Lu Tao Luo Xiang Ma Bin Meng Yi Nang JianYin Nie Ge Ou JinLu Qu Na Sai RenCheng Shang GuoHong Shen Liang Sun Ying Tan Lian Tao YouLi Tuo Chen Wang ChunQin Wang GuoFeng Wang HuanYu Wang Juan Wang WenShuai Wang YuSa Wang XiangYang Wen BaiYang Wu BoBing Wu Mei Wu GuangCheng Xiao ShaoLin Xiong LinLi Yan JiaWei Yang Sheng Yang YanJi Yang QiBin Yi Bin Yuan AiMei Zhang ChunLei Zhang ChengMo Zhang Fan Zhang HongMei Zhang Juan Zhang Qiang Zhang ShenYi Zhangs Shu Zhang Tong Zhang WanChang Zhang Wei Zhang WenZhao Zhang Yi Zhang YiFei Zhang YongJie Zhang Yue Zhang Zhao Zhang Zhi Zhang ZiLiang Zhang HaiSheng Zhao XiaoFan Zhao ShiJie Zheng JianFeng Zhou YuXuan Zhu Yue Zhu RenLin Zhuang 2020Science China(Physics,Mechanics & Astronomy)2020,63,4:2
7FIas the "Flying Geese" Paradigm Occurred in China?显示文摘Qu Yue Cai Fang Zhang Xiaobo 2013China Economist2013,8,6:2
8Model Controlled Prediction:A Reciprocal Alternative of Model Predictive Control显示文摘Dear editor,This letter presents a reciprocal alternative to model predictive control(MPC),called model controlled prediction.More specifically,in order to integrate dynamic control signals into the transportation prediction models,a new fundamental theory of machine learning based prediction models is proposed.The model can not only learn potential patterns from historical data,but also make optimal predictions based on dynamic external control signals.Shen Li Yang Liu Xiaobo Qu 2022IEEE/CAA Journal of Automatica Sinica2022,9,6:2
9Ship collision risk assessment for the Singapore Strait显示文摘Xiaobo Qu Qiang Meng Li Suyi 2011Accident Analysis and Prevention2011,,6:2
10Development and applications of a simulation model for vessels in the Singapore Straits 显示文摘QU Xiaobo MENG Qiang 2012Expert Systems with Applications2012,39,9:1
11Magnetic reso- nance image reconstruction using trained geometric direc- tions in 2D redundant wavelets domain and non-convex op- timization 显示文摘Ning Bende Qu Xiaobo Guo Di 2013Magnetic Resonance Imaging2013,31,9:1
12Development and applications of a simulation model for vessels in the Singapore Straits显示文摘Xiaobo Qu Qiang Meng 2012Expert Systems With Applications2012,,9:1
13Undersampled MRI reconstruction with patch-based directional wavelets 显示文摘Qu Xiaobo Guo Di Ning Bende 2012Magnetic Resonance Imaging2012,30,7:1
14Magnetic reso- nance image reconstruction from undersampled measure- ments using a patch-based nonlocal operator 显示文摘Qu Xiaobo Hou Yingkun Lain Fan 2014Medical Image Analysis2014,18,6:1
15Research Progress of Aromatherapy in the Treatment of Obesity显示文摘Obesity is a common clinical disease,in order to take a healthy and simple way to treat it,the volatile properties of traditional Chinese medicine play a role in lifting weights.Aromatherapy uses the four qi and five flavors of traditional Chinese medicine as a typical representative.In order to explore the mechanism of action of aromatherapy in depth,through the etiology and pathogenesis of obesity,the historical origin of modern times,related organs,pathogenesis,and the research progress of aromatherapy in the treatment of obesity,the classification of aromatherapy,and the related research of aromatic drugs,it is found that aromatherapy has a large number of significant clinical effects in modern times.It can be used to treat obesity independently under the guidance of the basic theory of Chinese medicine,and can also be combined with other Chinese medicines to form prescription drug treatment,and in combination with other ways to treat obesity.However,at present,this method of treating obesity has not received widespread attention,and it still needs to be studied and promoted by scholars.Xiaochao GANG Yang CHEN Mingjun LIU Jie LIU Xiaobo JIANG Hanrong QU Qijue LIANG Jiashu ZHOU Yuening DONG 2022Medicinal Plant2022,13,4:1
16Bus dwell time estimation at bus bays: a probabilistic approach 显示文摘Meng Qiang Qu Xiaobo 2013Transportation Research Part C: Emerging Technologies2013,36,:1
17Bus travel time reliability analysis: a case study 显示文摘Qu Xiaobo Oh Erwin Weng Jinxian 2014Proceedings of the ICE-Transport2014,167,3:1
18The improving pattern mate hing algorithm of intrusion detection显示文摘QU Zhaoyang HUANG Xiaobo 2011Procedia Engineer- ing2011,15,:1
19Fast iterative contourlet thresholding for compressed sensing MRI显示文摘Hao Wangli Li Jianwu Qu Xiaobo 2013Electronics Letters2013,49,19:1
20Development and Applica- tions of a Simulation Model for Vessels in the Singa- pore Straits 显示文摘Xiaobo Qu Qiang Meng 2012Expert Systems with Applications2012,,84:1
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