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| 1 | Insight-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 | 2018 | Science China(Physics,Mechanics & Astronomy)2018，61，3： | 12 |
| 2 | Overview 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 | 2020 | Science China(Physics,Mechanics & Astronomy)2020，63，4： | 2 |
| 3 | Evaluation and Influence Factor of Green Efficiency of China’s Agricultural Innovation from the Perspective of Technical Transformation显示文摘Agricultural innovation is important for the green transformation of agriculture.Based on the perspective of technology transformation,this paper builds a theoretical analysis framework and evaluation index system for green efficiency of agricultural innovation,and discusses the evolution laws and influencing factors of the green efficiency of China’s agricultural innovation from 2005 to 2017 utilizing the DEA model,Malmquist index,and Tobit regression analysis.The results show that:1)The overall green efficiency of China’s agricultural innovation is not high,the green efficiency of agricultural innovation in eastern China is mainly driven by pure technical efficiency,while that in central and western China is mainly driven by the scale efficiency.The green efficiency of agricultural innovation shows significant spatial differences,and the low efficiency and relatively low-efficiency regions moved to central and southeastern China.2)Technical progress is the main force affecting the change of green total factor productivity of China’s agricultural innovation,seeing a trend of decrease followed by an increase.Pure technical efficiency and scale efficiency exhibit an increasing-decreasing trend,and gradually transform into key factors that restrict the improvement of the green total factor productivity of agricultural innovation.3)Agricultural technologies’diffusion,absorption,and implementation are three influencing factors of the green efficiency of agricultural innovation.The local level of informatization,the number of agricultural technicians in enterprises and institutions,average education level of residents,and the level of agricultural mechanization have positive impacts on the promotion of the green efficiency of agricultural innovation,promoting the diffusion,absorption and implementation of agricultural innovation technology can significantly improve the green efficiency of agricultural innovation. | HE Weichun LI Erling CUI Zhizhen | 2021 | Chinese Geographical Science2021，31，2： | 2 |
| 4 | Novel KOH electrolyte for one-step electrochemical synthesis of high purity solid K2FeO4:comparison with NaOH显示文摘 | He Weichun Wang Jianming Shao Haibo | 2005 | Electrochemistry Communications2005，7，6： | 1 |
| 5 | 显示文摘 | He weichun Wang Jianming Shao haibo | 2005 | Electrochemistry Communications2005，7，： | 1 |
| 6 | The rapid electrochemical preparation of dissolved ferrate (Ⅵ):effects of various operating parameters 显示文摘 | He Weichun Wang Jianming Yang Changchun | 2006 | Electrochimica Acta2006，51，： | 1 |
| 7 | Novel KOH electrolyte for one-step electrochemical synthesis of high purity solid K2FeO4: comparison with NaOH 显示文摘 | He Weichun Wang Jianming Shao Haibo | 2005 | Electrochemistry Communications2005，，7： | 1 |
| 8 | Inhibition of pro-inflammatory rantes expression by TGF-β1 is mediated by glycogen synthase kinase-3β-dependent-catenin signaling显示文摘 | Chunsun Dai Xiaoyan Wen Weichun He | | 0，，28： | 1 |
| 9 | Carboxymethyl chitosan-alginate enhances bone repair effects of magnesium phosphate bone cement by activating the FAK-Wnt pathway显示文摘There is a continuing need for artificial bone substitutes for bone repair and reconstruction,Magnesium phosphate bone cement(MPC)has exceptional degradable properties and exhibits promising biocompatibility.However,its mechanical strength needs improved and its low osteo-inductive potential limits its therapeutic application in bone regeneration.We functionally modified MPC by using a polymeric carboxymethyl chitosan-sodium alginate(CMCS/SA)gel network.This had the advantages of:improved compressive strength,ease of handling,and an optimized interface for bioactive bone in-growth.The new composites with 2%CMCS/SA showed the most favorable physicochemical properties,including mechanical strength,wash-out resistance,setting time,injectable time and heat release.Biologically,the composite promoted the attachment and proliferation of osteoblast cells.It was also found to induce osteogenic differentiation in vitro,as verified by expression of osteogenic markers.In terms of molecular mechanisms,data showed that new bone cement activated the Wnt pathway through inhibition of the phosphorylation ofβ-catenin,which is dependent on focal adhesion kinase.Through micro-computed tomography and histological analysis,we found that the MPC-CMCS/SA scaffolds,compared with MPC alone,showed increased bone regeneration in a rat calvarial defect model.Overall,our study suggested that the novel composite had potential to help repair critical bone defects in clinical practice. | Ling Yu Tian Gao Wei Li Jian Yang Yinchu Liu Yanan Zhao Ping He Xuefeng Li Weichun Guo Zhengfu Fan Honglian Dai | 2023 | Bioactive Materials2023，，2： | 1 |
| 10 | Studies of the linearity of the readout module assembling using the eXTP-GPD chips显示文摘Background The Gas Pixel Detector(GPD)is a key part of the Polarimetry Focusing Array(PFA)sub-system onboard the enhance X-ray Timing and Polarimetry mission(eXTP).The GPD can accurately provide the polarized angle and degree for incoming soft X-rays(requirements of minimum detectable polarization<1%(10^(6) s,1 mCrab))from celestial objects under extreme conditions of density,gravity and magnetism.Purpose Paste the GPD chips on a matched ceramic package is one of the most important procedures for the GPD assembly,and the parallelism between the top surface of an ASIC chip and the bottom surface of a Gas Electron Multiplier(GEM)foil can have impact on the distribution of electric field within transfer region and reconstruction of photoelectric trajectories,resulting in deterioration of the GPD sensitivity.This study quantifies the influence and gives a reasonable expectation of the parallelism.Methods A simulation framework of the GPD is constructed to quantify the influence on the GPD performance and values of the parallelism are measured by a gauge with a position resolution of o.1μm.Results:The difference of degree of modulation is less than 1% comparing the parallelism with a value of 20μm to a value of 0μm in response to both polarized and unpolarized X-rays.Meanwhile,the value of parallelism can reach 6.9±3.4μm(0.0176°±0.0087°)by testing and verifying.Conclusions The impact on the GPD performance can be less than 1%as the parallelism with an order of 20μm,and we also give a reasonable measuring method and verify the controllability and feasibility of the parallelism with an order of 20μm for pasting the ASIC chip on the surface of a ceramic package. | Jiechen Jiang Liang Sun Yang Jiao Weichun Jiang Yupeng Xu Huilin He Xiaohua Liu Yuanyuan Du Sheng Yang Zefang Dong Xiaojing Liu Boyu Dai | 2023 | Radiation Detection Technology and Methods2023，7，2： | 0 |
| 11 | Epidemiological and clinical features of children with the Omicron BA.5.2 subvariant in Guangzhou显示文摘Dear Editor,Coronavirus disease 2019(COVID-19)is a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2).Compared with previous variants,Omicron strains are more easily transmissible,have a greater ability to evade the human immune response,and are characterized as naturally virulence attenuated.1 During the early stages of the COVID-19 pandemic,it became apparent that children were less easily infected than adults. | Feng Li Yinghua He Xianglong Lan Lu Li Fei Gu Zhao Ye Lv Wang Zhenghui Cen Weichun Zhu Haisheng Yu | 2023 | Signal Transduction and Targeted Therapy2023，8，5： | 0 |
| 12 | Ferritin,heavy polypeptide 1 interacts with fragile X-related protein 1显示文摘Fragile X-related protein 1(FXR1P) is a member of the FXR gene family,which also includes fragile X mental retardation protein and fragile X-related protein 2(FXR2P).To understand the functions of FXR1P,we screened FXR1P-interacting proteins using a yeast two-hybrid system.FXR1P was fused to pGBKT7 and used as the bait to screen a human fetal brain cDNA library.This screening revealed 10 FXR1P-interacting proteins including FTH1.FTH1 encodes Homo sapiens ferritin,heavy polypeptide 1.The interaction between FXR1P and FTH1 was confirmed by retesting in yeast using both a β-galactosidase assay and growth studies on selective media.A co-immunoprecipitation assay in mammalian cells further confirmed the FXR1P/FTH1 interaction.Moreover,the results revealed that FTH1 colocalized with FXR1P in the cytoplasm around the nucleus in mammalian cells.The present findings suggest that FXR1P plays an important role in iron metabolism in the brain by interacting with FTH1.This provides clues for elucidating the relationship between FXR1P function and fragile X syndrome. | Yun Ma Shuya He Yang Yang Qiong Chen Weichun Xiao Binyuan Li Jiao Su Xianghui Fu | 2011 | Neural Regeneration Research2011，6，10： | 0 |
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