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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 | The High Energy X-ray telescope (HE) onboard the Insight-HXMT astronomy satellite显示文摘The Insight-Hard X-ray Modulation Telescope(Insight-HXMT) is a broadband X-ray and γ-ray(1-3000 ke V) astronomy satellite. One of its three main telescopes is the High Energy X-ray telescope(HE). The main detector plane of HE comprises 18 Na I(Tl)/Cs I(Na) phoswich detectors, where Na I(Tl) is used as the primary detector to measure ~ 20-250 ke V photons incident from the field of view(FOV) defined by collimators, and Cs I(Na) is used as the active shielding detector to Na I(Tl) by pulse shape discrimination. Additionally, Cs I(Na) is used as an omnidirectional γ-ray monitor. The HE collimators have a diverse FOV,i.e. 1.1°×5.7°(15 units), 5.7°×5.7°(2 units), and blocked(1 unit). Therefore, the combined FOV of HE is approximately5.7°×5.7°. Each HE detector has a diameter of 190 mm resulting in a total geometrical area of approximately 5100 cm2, and the energy resolution is ~15% at 60 ke V. For each recorded X-ray event by HE, the timing accuracy is less than 10 μs and the deadtime is less than 10 μs. HE is used for observing spectra and temporal variability of X-ray sources in the 20-250 ke V band either by pointing observations for known sources or scanning observations to unveil new sources. Additionally, HE is used for monitoring the γ-ray burst in 0.2-3 Me V band. This paper not only presents the design and performance of HE instruments but also reports results of the on-ground calibration experiments. | CongZhan Liu YiFei Zhang XuFang Li XueFeng Lu Zhi Chang ZhengWei Li AiMei Zhang YongJie Jin HuiMing Yu Zhao Zhang MinXue Fu YiBao Chen JianFeng Ji YuPeng Xu JingKang Deng RenCheng Shang GuoQing Liu FangJun Lu ShuangNan Zhang YongWei Dong TiPei Li Mei Wu YanGuo Li HuanYu Wang BoBing Wu YongJie Zhang Zhi Zhang ShaoLin Xiong Yuan Liu Shu Zhang HongWei Liu YiJung Yang Fan Zhang | 2020 | Science China(Physics,Mechanics & Astronomy)2020，63，4： | 9 |
| 3 | Effect of HCO_3^- concentration on CO_2 corrosion in oil and gas fields显示文摘The effect of HCO_3^- concentration on CO_2 corrosion was investigated by polarization measurement of potentiodynamic scans and weight-loss method. Under the conditions of high pressure and high temperature, the corrosion rate of steel X65 decreased with the increase of HCO_3^- concentration, while pH of solution increased. SEM, EDS, and XRD results of the corrosion scales indicated that the typical FeCO_3 crystallite was found at low HCO_3^- concentration but Ca(Fe,Mg)(CO_3)_2 was found at high HCO_3^- concentration. Ca^(2+) and Mg^(2+) are precipitated preferential to Fe^(2+) at high pH value. Potentiodynamic polarization curves showed that the cathodic current density decreases with the increase of HCO_3^- concentration at low HCO_3^- concentration. When the HCO_3^- concentration reaches 0.126 mol/L, increasing HCO_3^- concentration promotes cathodic reactions. Anodic behavior is an active process at low HCO_3^- concentration and the anodic current density decreases with the increase of HCO_3^- concentration. An evident active-passive behavior is exhibited in anodic process at 0.126 mol/L HCO_3^- | Guoan Zhang Minxu Lu Chengwen Chai Yinshun Wu | 2006 | Journal of University of Science and Technology Beijing2006，13，1： | 4 |
| 4 | Mechanism of protective film formation during CO_2 corrosion of X65 pipeline steel显示文摘Electrochemical techniques, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were applied to study the corrosion behaviors of X65 steel in static solution with carbon dioxide (CO2) at 65°C. The results show that iron carbonate (FeCO3) deposits on the steel surface as a corrosion product scale. This iron carbonate scale acts as a barrier to CO2 corrosion, and can reduce the general corrosion rate. The protection ability of the scale is closely related to the scale morphological characteristics. | Tong Li Yonggjin Yang Kewei Gao Minxu Lu | 2008 | Journal of University of Science and Technology Beijing2008，15，6： | 2 |
| 5 | 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 |
| 6 | Human umbilical cord mesenchymal stem cells for psoriasis:a phase 1/2a,single-arm study显示文摘Psoriasis is a common,chronic immune-mediated systemic disease that had no effective and durable treatment.Mesenchymal stem cells(MSCs)have immunomodulatory properties.Therefore,we performed a phase 1/2a,single-arm clinical trial to evaluate the safety and efficacy of human umbilical cord-derived MSCs(UMSCs)in the treatment of psoriasis and to preliminarily explore the possible mechanisms.Seventeen patients with psoriasis were enrolled and received UMsC infusions.Adverse events,laboratory parameters,PASl,and PGA were analyzed.We did not observe obvious side effects during the treatment and 6-month follow-up.A total of 47.1%(8/17)of the psoriasis patients had at least 40%improvement in the PASl score,and 17.6%(3/17)had no sign of disease or minimal disease based on the PGA score.And the efficiency was 25%(2/8)for males and 66.7%(6/9)for females.After UMSC transplantation(UMSCT),the frequencies of Tregs and CD4^(+)memory T cells were significantly increased,and the frequencies of T helper(Th)17 and CD4^(+)naive T cells were significantly decreased in peripheral blood(PB)of psoriasis patients.And all responders showed significant increases in Tregs and CD4^(+)memory T cells,and significant decreases in Th17 cells and serum IL-17 level after UMsCT.And baseline level of Tregs in responders were significantly lower than those in nonresponders.In conclusion,allogeneic UMSCT is safe and partially effective in psoriasis patients,and level of Tregs may be used as a potent biomarker to predict the clinical efficacy of UMSCT.Trial registration Clinical Trials NCT03765957. | Lamei Cheng Siqi Wang Cong Peng Xiao Zou Chao Yang Hua Mei Chuang Li Xian Su Na Xiao Qi Ouyang Mi Zhang Qiaolin Wang Yan Luo Minxue Shen Qun Qin Honglin Wang Wu Zhu Guangxiu Lu Ge Lin Yehong Kuang Xiang Chen | 2022 | Signal Transduction and Targeted Therapy2022，7，9： | 2 |
| 7 | Evaluation of inhibition efficiency of an imidazoline derivative in CO2-containing aqueous solution显示文摘 | Guoan Zhang Changfeng Chen Minxu Lu | 2007 | Materls Chemistry and Physics2007，105，： | 1 |
| 8 | Analysis of EIS charateristics of CO2 corrosion of well tube steels with corrosion scale显示文摘 | Bai Zhenquan Chen Changfeng Lu Minxu | 2006 | Applied Surface Science2006，252，： | 1 |
| 9 | The Effect of Cr on The Pitting Resistance of Oil Tube Steel in CO2 Corrosion System显示文摘 | Chen Changfeng Lu Minxu Sun Dongbai Zhang Zhonghua Chang Wei | 2005 | Corrosion2005，，6： | 1 |
| 10 | Effective Elastic Moduli of Ceramics with Pores显示文摘A contribution is given to the theoretical research on the stiffness of ceramic materials, under the approximation of the average stress field, the relation E = E0(1 -p)/(1+ 2.5p) is derived to describe the dependence of the modulus of etasticity on porosity. The prediction of this model is consistent with the experimental data from several ceramics such as reacting sintered Si3N4,MgO and MgAl2O3. | Wang, Fenghui Gou, Wenxuan Zheng, Xiulin Lu, Minxu | 1998 | Journal of Materials Science & Technology1998，14，3： | 0 |
| 11 | EFFECTS OF WAVEFORM AND FREQUENCY OF CYCLIC LOADING ON CORROSION FATIGUE CRACK PROPAGATION FOR GC-4 STEEL IN 3.5%NaCl SOLUTION显示文摘EFFECTSOFWAVEFORMANDFREQUENCYOFCYCLICLOADINGONCORROSIONFATIGUECRACKPROPAGATIONFORGC-4STEELIN3.5%NaClSOLUTIONEFFECTSOFWAVEFORM... | Lu Minxu Liu Xiaokun Wang JianJiin Fu Xiangping Zheng Xiulin(Faculty 401,Northwestern Polytechnical University,Xi’an,China,710072) | 1994 | Chinese Journal of Aeronautics1994，7，1： | 0 |
| 12 | EFFECTS OF HEAT TREATMENT AND ENVIRONMENT ON CRACK PROPAGATION RATE IN STEEL GC-4 UNDER CORROSION FATIGUE AND STRESS CORROSION显示文摘Comparative investigations were carried out of the effect of heat treatment regimes Jor steelGC-4(40CrMnSiMoVA)on its crack propagating rates,from corrosion fatigue,(da/dN)CF,or stress corrosion cracking,(da/dt)SCC,in media with various constituentsand pH values.Both(da/dN)CF and(da/dt)SCC accelerate with the increase of yield stressof the steel,yet the former is far less than the later.In comparison with media,the(da/dt)SCC in distilled water is slightly greater than that in 3.5% NaCl solution,and the(da/dN)CF in distilled water is far less than that in 3.5% NaCl solution.With the pH valueincreasing in 3.5% NaCl solution,the(da/dN)CF lowers down and the(da/dt)SCC speedsup.An explanation was also proposed with concept of the cyclic hardening and softening atcrack tip,as well as the crack closure and occluded cell effect. | LU Minxu LIU Xiaokun WANG Jianjun FU Xiangjiong ZHENG Xiulin Northwestern Polytechnical University,Xi’an,China Lecturer,Department No.4.Northwestern Polytechnical University,Xi’an 710072,China | 1992 | Acta Metallurgica Sinica(English Letters)1992，5，9： | 0 |
| 13 | Theoretical Insights into the Inhibition Performance of Three Neonicotine Derivatives as Novel Type of Inhibitors on Carbon Steel显示文摘The adsorption process of new nicotinic derivatives on Fe(110)surface and diffusion of corrosive particles in inhibition film were studied by quantum chemistry and molecular dynamics simulation,and inhibition mechanism of inhibitor was discussed.The results indicated that the main active sites of three inhibitors are located in N atoms on the five membered ring.The inhibitor YM-1 has the strongest activity of electrophilic reaction,and the adsorption process of inhibitor molecules is polycentric chemisorption.The adsorption energy for inhibitors followed the order of YM-1>YM-2>YM-3.The adsorption film YM-1 more effectively impedes the diffusion and migration of the corrosive particles,and also has the best inhibitory effect on Cl-.In addition,the bond energy of chemical bond formed between inhibitor and Fe atom increases as the increase of temperature.The interaction between corrosive particles and inhibitors is dominated by Van der Waals force. | Yun Wang Zhen Wang Lei Zhang Minxu Lu | 2020 | Journal of Renewable Materials2020，8，7： | 0 |
| 14 | Effect of Notches and Environment on Cyclic Life of Alumina显示文摘Four-point bending cyclic fatigue testing has been performed for alumina specimens with two kinds of notch radius in corrosive environments. Cyclic life is found to be dependent on notch radius and environments, the tests also show that the fatigue notch factor Kf is roughly equal to the theoretical notch factor Kt, the fatigue strength and fatigue limit σc are reduced in environment in the sequence: formamide-room air-distilled | Fenghui WANG Minxu LU Jianfeng WE and Xiulin ZHENG (Northwestern Polytechnical University, Xi’an, 710072, China) | 1995 | Journal of Materials Science & Technology1995，11，6： | 0 |
| 15 | Anticorrosion performance of the coating/metal system by electrochemical impedance spectra显示文摘In order to investigate the anticorrosion performance of the organic coating/metal system, electrochemical impedance spectra (EIS) were measured in the 3.5wt% NaCl solution, the chemical component and the formation of corrosion products scale were analyzed by laser Raman microspectroscopy, and the pattern of the organic coating/metal system was observed by scanning electron microscopy (SEM). The characteristics and the delamination process of the organic coating/metal system were investigated systematically, and the emphases were on the transportation of the corrosive medium and the changes of the coating/metal interface. The results show that the impedance decreases at the initial immersion, then increases at the middle-immersion, and again decreases at last, which is related to the corrosion products scale. The concentration of Cl- in the coating, which destroys the corrosion products scale, increases with the immersion time. | Yinghuai Zhang Lining Xu Minxu Lu Pu Zhang | 2008 | Journal of University of Science and Technology Beijing2008，15，4： | 0 |
| 16 | Performance Evaluation of a Novel and Effective Water-Soluble Aldehydes as Corrosion Inhibitor for Carbon Steel in Aggressive Hydrochloric Medium显示文摘A novel and effective water-soluble aldehydes(β-HA)as corrosion inhibitor was synthesized for N80 steel corro-sion in 15%HCl solution,and the corrosion inhibition performance was evaluated by using weight loss,electro-chemical measurements,scanning electron microscope(SEM),quantum chemical calculation and molecular dynamics simulation(MDS).The results show that synthesizedβ-HA showed excellent corrosion performance compared with MHB and PE for carbon steel in 15%HCl solution compared with MHB and PE,and the inhibi-tion efficiency increased with increasing concentration of the inhibitor.The inhibition efficiency of β-HA at 8 mmol/L reached the maximum value 94.08%.The inhibitor acted as mixed-type inhibitor via blocking both the anodic and cathodic reaction.The adsorption of inhibitors on N80 steel surface obeyed Langmuir adsorption isotherm,and the process contained chemisorption and physisorption.TheΔG ads of β-HA was−28.81 kJ·mol^(-1)der the standard atmospheric pressure.Moreover,the theoretical calculation parameters revealed stronger combination and higher interaction energy for inhibitor β-HA comparing with MHB and PE,further demonstrat-ing the correlation between the theoretical and experimental results. | Yun Wang Tiantian Wang Bei Wang Wei Chang Jiangli Cao Lihua Hu Minxu Lu Lei Zhang | 2022 | Journal of Renewable Materials2022，10，2： | 0 |
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