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| 1 | The state-of-the-art of the China Seismo-Electromagnetic Satellite mission显示文摘The China Seismo-Electromagnetic Satellite(CSES) mission was proposed in 2003 and approved in 2013 after ten years' scientific and engineering demonstrations. To meet the requirement of scientific objectives, the satellite is designed to be in a sunsynchronous orbit with an altitude of 507 km and descending node time of 14:00 LT. The CSES satellite carries 8 instruments,including search-coil magnetometer(SCM), electric field detector(EFD), high precision magnetometer(HPM), GNSS occultation receiver(GOR), plasma analyzer package(PAP), langmuir probe(LAP), high energetic particle package(HEPP) and detector(HEPD), and tri-band beacon(TBB), among which HEPD is provided by Italian Space Agency. The CSES satellite was launched successfully on February 2, 2018, and is planned to operate for 5 years. The CSES mission is the first satellite in China to measure geophysical fields, which will have a lot of application prospects in the study of seismology, geophysics, space sciences, and so on. | SHEN XuHui ZHANG XueMin YUAN ShiGeng WANG LanWei CAO JinBin HUANG JianPing ZHU Xing Hong PIERGIORGIO Picozzo DAI JianPing | 2018 | Science China(Technological Sciences)2018,61,5: | 33 |
| 2 | The electromagnetic wave experiment for CSES mission: Search coil magnetometer显示文摘The seismic activities on the Earth can produce a disturbance of the electromagnetic field and particles in the ionosphere. The search coil magnetometer(SCM) mounted on China Seismo-Electromagnetic satellite(CSES) is designed to measure the magnetic field fluctuation of low frequency electromagnetic waves in the frequency range of 10 Hz–20 k Hz. The SCM comprises a three-axis search coil sensor mounted on a 4.5 m boom and an electronic box inside satellite module. The sampling rate of the SCM is 51.2 k Hz and the time resolution of the power spectrum density(PSD) is 2 s. The frequency resolution is 12.5 Hz.There are three operation modes: survey, detailed survey and calibration. In the survey mode, the SCM can provide a PSD in the whole frequency range of 10 Hz–20 k Hz and wave forms in the low frequency range below 2 k Hz while in the detailed survey mode the SCM can provide both PSD and wave forms in the whole frequency range of 10 Hz–20 k Hz. The sensitivity of the SCM instrument is 5.0×10^(-4) n T Hz^(-1/2) at 10 Hz, 5.0×10^(–5) n T Hz^(-1/2) at 200 Hz, 3.4×10^(-5) n T Hz^(-1/2) at 2 k Hz and 1.1×10^(-4) n T Hz^(-1/2) at 20 k Hz. The telemetry rate is ~0.85 Mbps in the survey mode and ~3.0 Mbps in the detailed survey mode. The phase difference between three axes can be made generally with a precision of less than 1.0°. The dynamic range of the SCM instrument is over 100 d B. The orthogonality of three mechanical axes of search coil senor is better than 0.13°. The performance of SCM can satisfy the requirement of scientific objectives of CSES mission. | CAO JinBin ZENG Li ZHAN Feng WANG ZuoGui WANG Yan CHEN Yu MENG QingChun JI ZhanQiang WANG PengFei LIU ZhongWei MA LingYu | 2018 | Science China(Technological Sciences)2018,61,5: | 13 |
| 3 | The impact of climate change and human activities on streamflow and sediment load in the Pearl River basin显示文摘This paper uses monthly streamflow, suspended sediment concentration, and meteorological data to examine the impact of human activity and climate change on streamflow and sediment load in the Pearl River basin from the 1950s to the 2000s. The influences of climate change and human activities on hydrological processes were quantitatively evaluated using the Mann–Kendall abrupt change test and power rating curves. The results showed that:(1) abrupt changes and turning points in streamflow occurred in 1963, 1983, and 1991 which were found to be consistent with global ENSO events and volcanic eruptions. However, abrupt changes in sediment load showed significant spatial differences across the Pearl River basin. For the Xijiang River, an abrupt change in sediment load occurred in 2002, and after 2007 the change becomes significant at the 95% confidence level. At Beijiang and Dongjiang, abrupt changes in sediment load occurred in 1998 and 1988, respectively.(2) The time series of sediment load data was divided into four periods according to abrupt changes. The contribution of climate change and human activities is different in the different rivers. For the Xijiang River, compared with the first period, climate change and human activities contributed 83% and 17%, respectively, to the increasing sediment load during the second period. In the third period, the variation of sediment load followed a decreasing trend. The contribution from climate change and human activities also changed to t236% and -136%, respectively. In the fourth period, climate change and human activities contributed -32% and t132%, respectively. Meanwhile, For the Beijiang River, climate change and human activities contributed 90% and 10% in the second period, the contribution of climate change increased to t115% and human activities decreased to -15% in the third period. In the fourth period, the value for climate change decreased to t36% and human activities increased to t64%. For the Dongjiang River, the contribution of human activities was from 74.5% to 90%, and the values for climate change were from 11% to 25%. Therefore, the effect of human activity showed both spatial and temporal differences, and it seems likely that the decreased sediment load will continue to be controlled mainly by human activities in the future. | Chuangshou Wu Changchen Ji Benwei Shi Yaping Wang Jianhua Gao Yang Yang Jinbin Mu | 2019 | International Journal of Sediment Research2019,34,4: | 12 |
| 4 | Differences between onset times of bursty bulk flows (BBFs) of two Cluster satellites in the magnetotail显示文摘This paper using the dataset of BBFs (bursty bulk flows) observed by two Cluster satellites C1 and C4 studies the difference between onset times of BBFs observed by C1 and C4. It is found that the onset time differences of most of BBFs observed by C1 and C4 are smaller than 60 s. The average onset time difference of BBFs of C1 and C4 is 68.5 s. The probabilities of onset time difference of BBFs of C1 and C4 larger than 30 60 90 and 120 s are respectively 55% 35% 27% and 23%. The largest onset time difference of BBFs of C1 and C4 decreases with the increase of earthward component of maximum velocities of BBFs. The onset time difference of BBFs of C1 and C4 results from the velocity inhomogeneity inside the flow channel of BBF which may be produced in propagation path and/or in source region of BBFs. Such a wide range of onset time difference of BBFs suggests that the velocity inhomogeneity inside the flow channel of BBF is various. These results are very important to the current study of substorm research based on THEMIS data because they indicate that it is impossible to determine the onset time of BBF with a single satellite. | CAO JinBin WANG ZhiQiang MA YuDuan CAI CunLin | 2012 | Science China(Technological Sciences)2012,55,5: | 8 |
| 5 | MHD and kinetic analysis of flow bursts in the Earth's plasma sheet显示文摘In an attempt to study the flow bursts in the Earth’s plasma sheet we select an event that took place on August 7,2004 in the expansion phase of a substorm,using data from the geomagnetic index,solar wind data,plasma and magnetic field observations from C1 Cluster satellite(the Cluster mission has 4 satellites)and from Double Star TC-1 satellite.In MHD approach,TC-1 firstly observed the tailward flow,then the earthward,and finally the flow alternated in two directions.C1 firstly observed the earthward plasma flow,and then the tailward plasma flow.Before flow bursts are observed by TC-1 and C1,there are disturbances in local entropy with their tailward local entropy larger than those of the earthward.The kinetic features of the plasma flow observed by C1 are similar to those in MHD.However,kinetic characteristics of the plasma flow observed by TC-1 are far more than the description in MHD.The inadequacy mainly exists in two cases:(i)the firstly enhanced tailward flows given in MHD are found without significant increase of the energetic tailward flux;(ii)the almost stagnant flow in MHD is composed of the enhanced energetic ion flux in both earthward and tailward directions.The earthward flow burst observed by TC-1 might be multiple overshoots and rebounds.The earthward flow burst observed by C1 might be simply rebounded in the near-Earth.The pulsation observed by C1 is earlier than that observed by TC-1 with the former intensity less than that of the latter.After the energetic ion flux in the tailward direction is significantly enhanced,the power spectrum intensity of the ULF wave commences to increase obviously,which may suggest that the stream instability is closely correlated with ULF pulsations. | MA YuDuan CAO JinBin FU HuiShan REME H. DANDOURAS I. YANG JunYing WANG ZhiQiang TAO Dan YANG Jian | 2014 | Science China(Technological Sciences)2014,57,1: | 7 |
| 6 | Ionospheric TEC and plasma anomalies possibly associated with the 14 July 2019 M_(w) 7.2 Indonesia Laiwui earthquake,from analysis of GPS and CSES data显示文摘This study presents signatures of seismo-ionospheric perturbations possibly related to the 14 July 2019 M_(w)7.2 Laiwui earthquake,detected by a cross-validation analysis of total electron content(TEC)data of the global ionospheric map(GIM)from GPS and plasma parameter data recorded by the China Seismo-Electromagnetic Satellite(CSES).After separating pre-seismic ionospheric phenomena from the ionospheric disturbances due to the magnetospheric and solar activities,we have identified three positive temporal anomalies,around the epicenter,at 1 day,3 days and 8 days before the earthquake(14 July 2019),along with a negative anomaly 6 days after the earthquake.These results agree well with the TEC spatial variations in latitude-longitude-time(LLT)maps.To confirm these anomalies further,we employed the moving mean method(MMM)to analyze ionospheric plasma parameters(electron,O^(+) and He^(+) densities)recorded by the Langmuir probe(LAP)and Plasma Analyzer Package(PAP)onboard the CSES.The analysis detected on,on Day Two,Day Four,and Day Seven before the earthquake,remarkable enhancements along the orbits around when in proximity to the epicenter.To make the investigations still more convincing,we compared the orbits on which anomalous readings were recorded to their corresponding four nearest revisiting orbits;the comparison did indeed indicate the existence of plasma parameter anomalies that appear to be associated with the Laiwui earthquake.All these results ilustrate that the unusual ionospheric perturbations detected through GPS and CSES data are possibly associated with the M_(w)7.2 Laiwui earthquake,which suggests that at least some earthquakes may be predicted by alertness to pre-seismic ionospheric anomalies over regions known to be at seismic risk.This case study also contributes additional information of value to our understanding of lithosphere-atmosphere-ionosphere coupling. | YuanZheng Wen Dan Tao GuangXue Wang JiaYi Zong JinBin Cao Roberto Battiston ZhiMa ZeRen XuHui Shen | 2022 | Earth and Planetary Physics2022,6,4: | 3 |
| 7 | China Seismo-Electromagnetic Satellite search coil magnetometerdata and initial results显示文摘Four levels of the data from the search coil magnetometer(SCM) onboard the China Seismo-Electromagnetic Satellite(CSES)are defined and described. The data in different levels all contain three components of the waveform and/or spectrum of the induced magnetic field around the orbit in the frequency range of 10 Hz to 20 kHz; these are divided into an ultra-low-frequency band(ULF,10–200 Hz), an extremely low frequency band(ELF, 200–2200 Hz), and a very low frequency band(VLF, 1.8–20 kHz). Examples of data products for Level-2, Level-3, and Level-4 are presented. The initial results obtained in the commission test phase demonstrated that the SCM was in a normal operational status and that the data are of high enough quality to reliably capture most space weather events related to low-frequency geomagnetic disturbances. | Qiao Wang JianPing Huang XueMin Zhang XuHui Shen ShiGeng Yuan Li Zeng JinBin Cao | 2018 | Earth and Planetary Physics2018,2,6: | 2 |
| 8 | Case study of small scale polytropic index in the central plasma sheet显示文摘This paper studies the effective polytropic index in the central plasma sheet(CPS) by using the method of Kartalev et al.(2006), which adopts the denoising technique of Haar wavelet to identify the homogeneous MHD Bernoulli integral(MBI) and has been frequently used to study the polytropic relation in the solar wind. We chose the quiet CPS crossing by Cluster C1 during the interval 08:51:00–09:19:00 UT on 03 August 2001. In the central plasma sheet, thermal pressure energy per unit mass is the most important part in MBI, and kinetic energy of fluid motion and electromagnetic energy per unit mass are less important. In the MBI, there are many peaks, which correspond to isothermal or near isothermal processes. The interval lengths of homogenous MBI regions are generally less than 1 min. The polytropic indexes are calculated by linearly fitting the data of lnp and lnn within a 16 s window, which is shifted forward by 8 s step length. Those polytropic indexes with |R|≥0.8(R is the correlation coefficient between lnp and lnn) and p-value≤0.1 in the homogeneous regions are almost all in the range of [0, 1]. The mean and median effective polytropic indexes with high R and low p-value in homogeneous regions are 0.34 and 0.32 respectively, which are much different from the polytropic index obtained by traditional method(?trad=?0.15). This result indicates that the CPS is not uniform even during quiet time and the blanket applications of polytropic law to plasma sheet may return misleading value of polytropic index. The polytropic indexes in homogeneous regions with a high correlation coefficient basically have good regression significance and are thus credible. These results are very important to understand the energy transport in magnetotail in the MHD frame. | PANG XueXia CAO JinBin LIU WenLong MA YuDuan LU HaoYu YANG JunYing LI LiuYuan LIU Xu WANG Jing WANG TieYan YU Jiang | 2015 | Science China Earth Sciences2015,58,11: | 2 |
| 9 | Role ofβ(FeA1)nanoparticles in abnormal grain growth in the annealing of cast Cu-Al-Mn-Fe shape memory alloys显示文摘In this study,the low-cost production of Cu-AI-Mn-Fe shape memory alloy single crystals exceeding 46 mm by abnormal grain growth was realized only through annealing their cast alloys.The results show that the mis-orientation formed during annealing may be responsible for such abnormal grain growth process.It was con-firmed that this misorientation resulted from the dissolution of bec B(FeAI)nanoparticles during heat treatment at a sufficiently temperature of approximately 1173 K.The rate of migration of the abnormal grain boundary was experimentally measured to be approximately9.3 x 10^-m s^-1within 2 min of the commencement of abnormal grain growth.Additionally,the range of composition of the alloys that can lead to abnormal grain growth was determined.When the Cu-13.0AI-6.5Mn-3.2Fe single crystal close to the[100]direction was deformed to a pre-strain of 12%,full shape recovery happened without any residual strain.At that time,the superelastic strain was approximately 9%.Such a superelastic characteristic remained nearly constant over 50 cycles,showing excellent fatigue resistance.The superelastic properties of the present Cu-13.0AI-6.5Mn-3.2Fe single crystal are compared to those of commercial Ni-Ti-based shape memory alloys.Therefore,it can be considered as a new kind of superelastic material having practical applications.The obtained results should be of great significance in the development of Cu based shape memory alloys.Furthermore,it is expected that a similar microstructure can be designed for the production of more metallic single crystals. | Shuiyuan Yang Xinyu Qing Jixun Zhang Lipeng Guo Shen Hong Mingpei Li Jinbin Zhang Cuiping Wang Xingjun Liu | 2020 | Progress in Natural Science:Materials International2020,30,4: | 2 |
| 10 | Acidity-triggered TAT-presenting nanocarriers augment tumor retention and nuclear translocation of drugs显示文摘 | Wei Jiang Jilong Wang Jinbin Yang Zhiwei He Zhenhui Hou Yingli Luo Li Wang Jing Liu Houbing Zhang Yangyang Zhao Guoqing Zhang Fang Huang Xuechang Zhou Lifeng Yan Xianzhu Yang Yucai Wang Jun Wang | 2018 | Nano Research2018,11,10: | 2 |
| 11 | Function of interleukin?17 and ?35 in the blood of patients with hepatitis B?relatedliver cirrhosis显示文摘 | Min Shi Jue Wei Jinbin Dong Wenying Meng Jiali Ma Ting Wang Na Wang Yugang Wang | 2015 | Molecular Medicine Reports2015,,1: | 1 |
| 12 | Activation of TRPA1 channels by fenamate nonsteroidal anti-inflammatory drugs显示文摘 | Hongzhen Hu Jinbin Tian Yingmin Zhu Chunbo Wang Rui Xiao Jeffrey M. Herz Jackie D. Wood Michael X. Zhu | 2010 | Pflügers Archiv - European Journal of Physiology2010,,: | 1 |
| 13 | On the ion distributions at the separatrices during symmetric magnetic reconnection显示文摘A particle-in-cell simulation of symmetric reconnection with zero guide field is carried out to understand the dynamics of ions along the separatrices.Through the investigation of ion velocity distributions at different moments and locations along the separatrices,a typical distribution is found:two counter-streaming populations in the perpendicular direction,with another two populations accelerated into distinct energy levels in the parallel direction.Backward tracing of ions reveals that the counter-streaming cores are mostly composed of ions initially located at the same side of the separatrix,while the other two accelerated populations in the parallel direction are composed of ions crossing through the neutral sheet.Through analysis of energy conversion of these populations,it is found that the ion energization along the separatrix is attributable primarily to the Hall electric field,while that in the region between the two separatrices is caused primarily by the induced reconnection electric field.For the counter-streaming population,the low-energy ions that cross the separatrix twice are affected by both Hall and reconnection electric fields,while the high-energy ions that directly enter the separatrix from the unperturbed plasma are energized mainly by the Hall electric field.For the two energized populations in the parallel direction,the ions with lower-energy are accelerated mainly by the in-plane electric field and the Hall electric field on the opposite side of the separatrix,whereas the ions with higher-energy not only experience the same energization process but also are constantly accelerated by the reconnection electric field. | HongTao Huang YiQun Yu JinBin Cao Lei Dai RongSheng Wang | 2021 | Earth and Planetary Physics2021,5,2: | 1 |
| 14 | Enhanced dynamic deformability and strengthening effect via twinning and microbanding in high density NiCoFeCrMoW high-entropy alloys显示文摘High density alloys with enhanced deformability and strength are urgently required in energy,military and nuclear industries,etc.In this work,we present a new kind of NiCoFeCrMoW high entropy alloys(HEAs)which possess higher densities and sound velocities than copper.We systematically investigate the phase structure,quasi-static tensile,dynamic compression and related deformation mechanism of these HEAs.It is shown that single FCC or FCC+μdual phases were formed in the HEAs depending on Mo and W content and annealing temperature.Excellent quasi-static tensile and dynamic compression properties have been achieved for these HEAs,e.g.Ni_(30)Co_(30)Fe_(21)Cr_(10)W_(9)HEA annealed at 1573 K exhibited a yield and ultimate tensile strength and elongation of~364 MPa,~866 MPa and~32%,respectively,in quasi-static test;a yield strength of~710 MPa and no fracture under the dynamic strain rate of 4100 s^(-1).Superior strain rate sensitivity(SRS)of yield strength than that of previously reported FCC HEAs have been evidenced.The dynamic stress-strain constitutive relation can be described by the modified Johnson-Cook model.As for the dynamic deformation mechanism,it is envisaged that the regulation of stacking fault energy and Peierls barrier in current HEAs resulted in occurrences of abundant nanoscale deformation twins and microbands during high strain rate compression.The synergistic microbanding and twinning effectively contributes to the enhanced dynamic deformability and strengthening effect.Besides,the interactions of dislocations with precipitates,stacking faults(SFs)with twins,and between SFs also contribute to extraordinary work-hardening capacity. | Xuli Liu Yidong Wu Yansong Wang Jinbin Chen Rui Bai Lei Gao Zhe Xu William Yi Wang Chengwen Tan Xidong Hui | 2022 | Journal of Materials Science & Technology2022,,32: | 1 |
| 15 | Template-free solvother- mal synthesis of yolk-shell V205 microspheres as cathode materials for Li-ion batteries 显示文摘 | Liu Jun Zhou Yichun Wang Jinbin | 2011 | Chemical Communications2011,47,10: | 1 |
| 16 | Corrosion behaviors of the copper alloy electrodes in Ar F excimer laser operation process显示文摘The corrosion behaviors of the Ar F excimer laser copper alloy electrodes were studied. The morphology, composition and impurities were characterized by optical microscope, scanning electron microscopy, electron microprobe and glow discharge mass spectrometer methods. The anode produces the reef, the corrosion pits, the hole layer and the 1–10 μm level flake impurity. The cathode produces the particles, the sputtering pits, the element reduce layer and the 1 μm level particle impurity. Besides the Cu element, other elements in the alloy participate in the corrosion: Al element in the reef is over 1.5 times of the anode, Zn element in the particles is 1.3 times of the cathode, many trace elements congregate on the copper surface several and even hundreds of times. These elements are responsible to a great degree for the impurities and the rapid energy decline of the long-time idled laser. | Xin Guo Jinbin Ding Yi Zhou Yu Wang | 2018 | High Power Laser Science and Engineering2018,6,1: | 1 |
| 17 | A Note on the Defensive Orientation of the Renminbi Exchange Rate Policy显示文摘 | Wang Jinbin Li Nan | 2014 | Chinese Studies2014,,3: | 1 |
| 18 | Characterization of domain distributions by second harmonic generation in ferroelectrics显示文摘Domain orientations and their volume ratios in ferroelectrics are recognized as a compelling topic recently for domain switching dynamics and domain stability in devices application.Here,an optimized second harmonic generation method has been explored for ferroelectric domain characterization.Combing a unique theoretical model with azimuth-polarization-dependent second harmonic generation response,the complex domain components and their distributions can be rigidly determined in ferroelectric thin films.Using the proposed model,the domain structures of rhombohedral BiFeO_(3) films with 71°and 109°domain wall,and,tetragonal BiFeO_(3),Pb(Zr_(0.2)Ti_(0.8))O_(3),and BaTiO_(3) ferroelectric thin films are analyzed and the corresponding polarization variants are determined.This work could provide a powerful and all-optical method to track and evaluate the evolution of ferroelectric domains in the ferroelectric-based devices. | Yuan Zhang Yi Zhang Quan Guo Xiangli Zhong Yinghao Chu Haidong Lu Gaokuo Zhong Jie Jiang Congbing Tan Min Liao Zhihui Lu Dongwen Zhang Jinbin Wang Jianmin Yuan Yichun Zhou | 2018 | npj Computational Materials2018,,1: | 1 |
| 19 | Effects of crystallization on low-temperature specific heat capacity of Cu60Zr20Hf10Ti10 bulk metallic glass显示文摘 | Wang Zhixin Sun Bin Lu Jinbin | 2011 | Transactions of Nonferrous Metals Society of China2011,21,: | 1 |
| 20 | A dual-RPA based lateral flow strip for sensitive,on-site detection of CP4-EPSPS and Cry1Ab/Ac genes in genetically modified crops显示文摘Traditional transgenic detection methods require high test conditions and struggle to be both sensitive and efficient.In this study,a one-tube dual recombinase polymerase amplification(RPA)reaction system for CP4-EPSPS and Cry1Ab/Ac was proposed and combined with a lateral flow immunochromatographic assay,named“Dual-RPA-LFD”,to visualize the dual detection of genetically modified(GM)crops.In which,the herbicide tolerance gene CP4-EPSPS and the insect resistance gene Cry1Ab/Ac were selected as targets taking into account the current status of the most widespread application of insect resistance and herbicide tolerance traits and their stacked traits.Gradient diluted plasmids,transgenic standards,and actual samples were used as templates to conduct sensitivity,specificity,and practicality assays,respectively.The constructed method achieved the visual detection of plasmid at levels as low as 100 copies,demonstrating its high sensitivity.In addition,good applicability to transgenic samples was observed,with no cross-interference between two test lines and no influence from other genes.In conclusion,this strategy achieved the expected purpose of simultaneous detection of the two popular targets in GM crops within 20 min at 37°C in a rapid,equipmentfree field manner,providing a new alternative for rapid screening for transgenic assays in the field. | Jinbin Wang Yu Wang Xiuwen Hu Yifan Chen Wei Jiang Xiaofeng Liu Juan Liu Lemei Zhu Haijuan Zeng Hua Liu | 2024 | Food Science and Human Wellness2024,13,1: | 1 |