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| 1 | High precision slope deformation monitoring model based on the GPS/Pseudolites technology in open-pit mine显示文摘As the number and geometric intensity of visual satellites are susceptible to large slopes in open-pit mines, we propose integration of GPS/Pseudolites (PLs) positioning technology which can increase the number of visible satellites, strengthen the geometric intensity of satellites and provide a precision solution for slope deformation monitoring. However, the un-modeled systematic errors are still the main limiting factors for high precision baseline solution. In order to eliminate the un-modeled systematic error, the Empirical Mode Decomposition (EMD) theory is employed. The multi-scale decomposition and reconstruction architecture are defined here on the basis of the EMD theory and the systematic error mitigation model is demonstrated as well. A standard of the scale selection for the systematic error elimination is given in terms of the mean of the accumulated standardized modes. Thereafter, the scheme of the GPS/PLs baseline solution based on the EMD is suggested. The simulation and experiment results show that the precision factors (DOP) are reduced greatly when PLs is located suitably. The proposed scheme dramatically improves the reliability of ambiguity resolution and the precision of baseline vector after systematic error being eliminated, and provides an effective model for high precision slope deformation monitoring in open-pit mine. | WANG Jianpeng, GAO Jingxiang, LIU Chao, WANG Jian School of Environment and Spatial Informatics, China University of Mining & Technology, Xuzhou 221008, China | 2010 | Mining Science and Technology2010,20,1: | 25 |
| 2 | Study on the Control of Tobacco Black Shank by Using Dry Mycelium of Penicillium Chrysogenum显示文摘 | Changliang Xu Rong Zeng Chunsheng Ruan Xiaoxia Wang Kaibao Xia George McBride Jianpeng Luo Suiyun Chen | 2010 | Journal of Life Sciences2010,4,1: | 12 |
| 3 | Effect of naringenin in Qianggu capsule on population pharmacokinetics in Chinese women with primary osteoporosis显示文摘OBJECTIVE:To characterize naringenin(NAR) population pharmacokinetics(PPK) in Chinese women with primary osteoporosis.METHODS:Ninety-eight female patients with primary osteoporosis from the Jingshan,Beixinqiao,Jiaodaokou,Chaoyangmen,and Donghuamen communities in Beijing,China,aged 40 to 80 years,received oral Qianggu capsules(250 mg).Blood samples were collected before and at 0.5,1,2,3,4,6,8,10,12,and 24 h after administration.The concentration of NAR in the blood samples was measured using high performance liquid chromatography-tandem mass spectrometry.PPK analyses were performed with nonlinear mixed-effect modeling software(version 7.1.2,PsN3.2.12).The clearance(C1),central distribution volume(V),absorption rate constant(Ka1),peripheral distribution volume(VII),and inter-compartmental clearance(CLII) were set as parameters and estimated by the base model,covariate model,and final model.Kidney-Yang deficiency[Shenyangxu(SYAX)]and liver-kidney-Yin deficiency(Ganshenyinxu) are patterns of symptoms in Traditional Chinese Medicine that were set as covariates,along with age,height,blood urea nitrogen,serum creatinine,alanine transaminase,aspartate transaminase,and hyperlipidemia.Both stepwise forward and backward procedures were accomplished to build models.The final model was evaluated by internal and external validation,visual predictive check,bootstrap,and leverage analysis.RESULTS:A one compartment open model with first order degradation was the best fitted to the concentration-time profiles following oral administration of NAR.The mean of population parameters of the final model,C1,SYAX on C1,V,Ka1,CLII,and VII,were measured to be 37.6 L/h,0.427 L,123 L/h,0.12/h,0.3056,and 1.446,respectively.Inter-individual variability was estimated and SYAX was identified as a significant covariate.CONCLUSION:The population pharmacokinetic model described in this study could effectively characterize the pharmacokinetic profile of NAR following administration of a single dose of oral Qianggu capsules in Chinese women with primary osteoporosis.Among the tested covariates,only SYAX was a significant factor. | Wang Jiannong Jiang Junjie Xie Yanming Wei Xu Li Jianpeng Duan Jingli Xiong Xin | 2015 | Journal of Traditional Chinese Medicine2015,35,2: | 9 |
| 4 | Deformation failure mechanism and application of the backfill along the goaf-side retained roadway显示文摘In order to determine the rational width of backfill in the goaf-side retained roadway, the deformation failure mechanism of surrounding rock in retained roadway is studied in the use of theoretical analysis, numerical simulation, etc., when the width of backfill is different. The results show that: with the increase of backfill width, the roof deformation above the backfill decreases; the outside of backfill obviously suffers from greater stress compared to the inner side of backfill; the damage firstly appears in the intersection of top backfill and roof; the plastic failure area is mainly distributed in the roof and floor of inside the roadway; 2 m wide backfill in the goaf-side retained roadway can meet the requirements of roadway deformation. Based on the original combination support of 'anchor-mesh-belt-lock' in the haulage-track roadway, the study also considers the reinforced support of 'anchor-mesh-belt' above the backfill, and 50 m ahead of working face, and 200 m behind the working face. This kind of support achieves a good result. The roadway deformation of field measurement shows that it can satisfy the need of the next working face. | Xue Deping Wang Jianpeng Tu Hongsheng Wang Fangtian Zhao Jie | 2013 | International Journal of Mining Science and Technology2013,23,3: | 7 |
| 5 | Whole-genome sequencing to detect mutations associated with resistance to insecticides and Bt proteins in Spodoptera frugiperda显示文摘The fall armyworm(FAW),Spodoptera frugiperda,is a major pest native to the Americas that has recently invaded the Old World.Point mutations in the target-site proteins acetylcholinesterase-1(ace-1),voltage-gated sodium channel(VGSC)and ryanodine receptor(RyR)have been identified in S.frugiperda as major resistance mechanisms to organophosphate,pyrethroid and diamide insecticides respectively.Mutations in the adenosine triphosphate-binding cassette transporter C2 gene(ABCC2)have also been identified to confer resistance to Cry IF protein.In this study,we applied a whole-genome sequencing(WGS)approach to identify point mutations in the target-site genes in 150 FAW individuals collected from China,Malawi,Uganda and Brazil.This approach revealed three amino acid substitutions(A201S,G227A and F290V)of S.frugiperda ace-1,which are known to be associated with organophosphate resistance.The Brazilian population had all three ace-1 point mutations and the 227A allele(mean frequency=0.54)was the most common.Populations from China,Malawi and Uganda harbored two of the three ace-1 point mutations(A201S and F290V)with the 290V allele(0.47-0.58)as the dominant allele.Point mutations in VGSC(T929I,L932F and L1014F)and RyR(I4790M and G4946E)were not detected in any of the 150 individuals.A novel 12-bp insertion mutation in exon 15 of the ABCC2 gene was identified in some of the Brazilian individuals but absent in the invasive populations.Our results not only demonstrate robustness of the WGS-based genomic approach for detection of resistance mutations,but also provide insights for improvement of resistance management tactics in S.frugiperda. | Fang Guan Jianpeng Zhang Huiwen Shen Xingliang Wang Amanda Padovan Tom K.Walsh Wee Tek Tay Karl H.J.Gordon William James Cecilia Czepak Michael Hilary Otim Donald Kachigamba Yidong Wu | 2021 | Insect Science2021,28,3: | 6 |
| 6 | Why are oseltamivir and zanamivir effective against the newly emerged influenza A virus (A/HIN1)?显示文摘 | Kunqian Yu Cheng Luo Guangrong Qin Zhijian Xu Ning Li Hong Liu Xu Shen Jianpeng Ma Qinghua Wang Caiguang Yang Weiliang Zhu Hualiang Jiang | 2009 | Cell Research2009,19,10: | 6 |
| 7 | Atomically thin defect-rich Ni-Se-S hybrid nanosheets as hydrogen evolution reaction electrocatalysts显示文摘Facile design of economic-effective hydrogen evolution reaction(HER)catalysts with non-noble materials are promising for the production of renewable chemical fuels.Two-dimensional(2D)ultrathin transition metal dichalcogenides(TMDs)materials with large specific surface area and abundant catalytic active sites can significantly enhance their catalytic activities.Herein,we design and synthesize an atomically thin Ni-Se-S based hybrid nanosheet(NiSe1.2S0.8)via a simple solvothermal method,the thickness of NiSe1.2S0.8 nanosheets is only about 1.1 nm.Benefiting from the ultrathin nanostructure and rich defects,the optimal NiSe1.2S0.8 exhibits good electrocatalytic activity with the overpotential of 144 mV at−10 mA·cm−2,a small Tafel slope of 59 mV·dec−1,and outstanding catalytic stability in acid electrolyte for HER.The theoretical results show that hybrid electrocatalyst by S incorporation possesses the optimal adsorption free energy of hydrogen(ΔGH*).This study provides a simple method to synthesize a highperformance multicomponent electrocatalysts with the ultrathin nanostructures and abundant defects. | Jianpeng Sun Xiangting Hu Zhaodi Huang Tianxiang Huang Xiaokang Wang Hailing Guo Fangna Dai Daofeng Sun | 2020 | Nano Research2020,13,8: | 5 |
| 8 | In-situ optimizing the valence configuration of vanadium sites in NiV-LDH nanosheet arrays for enhanced hydrogen evolution reaction显示文摘Developing the highly active, cost-effective, environmental-friendly, and ultra-stable nonprecious electrocatalysts for hydrogen evolution reaction(HER) is distinctly indispensable for the large-scale practical applications of hydrolytic hydrogen production. Herein, we report the synthesis of well-integrated electrode, NiV layered double hydroxide nanosheet array grown in-situ on porous nickel foam(abbreviated as in-NiV-LDH/NF) via the facile one-step hydrothermal route. Interestingly, the valence configuration of vanadium(V) sites in such NiV-LDH are well dominated by the innovative use of NF as the reducing regulator, achieving the reassembled in-NiV-LDH/NF with a high proportion of trivalent V ions(V3+), and then an enhanced intrinsic electrocatalytic HER activity. The HER testing results show that the in-NiVLDH/NF drives the current densities of 10 and 100 mA cm-2 at extremely low overpotentials of 114 and 245 mV without iR-compensation respectively, even outperforms commercial 20 wt% Pt/C at the large current density of over 80 mA cm-2 in alkaline media, as well as gives robust catalytic durability of at least 100 h in both alkaline and neutral media. More importantly, this work provides a fresh perspective for designing bimetal(oxy) hydroxides electrocatalysts with efficient hydrogen generation. | Danyang He Liyun Cao Jianfeng Huang Koji Kajiyoshi Jianpeng Wu Changcong Wang Qianqian Liu Dan Yang Liangliang Feng | 2020 | Journal of Energy Chemistry2020,29,8: | 5 |
| 9 | First stirling-type cryocooler reaching lambda point of ~4He(2.17K) and its prospect in Chinese HUBS satellite project显示文摘The issue of 'missing baryons” is always an unsolved mystery in galaxy cosmology, and an important reason for the great uncertainty of the galaxies' formation and evolution. To find the 'missing' baryons, extra high-resolution spectral observation and imaging of the soft X-ray band (<1 kev) is required. However, the existing observation methods cannot meet this requirement. Therefore, Tsinghua University leads and proposes the Chinese 'Hot Universe Baryon Surveyor (HUBS)' satellite program. | Jue Wang Changzhao Pan Tong Zhang Kaiqi Luo Xiaotong Xi Xianlin Wu Jianpeng Zheng Liubiao Chen Junjie Wang Yuan Zhou Hai Jin Wei Cui | 2019 | Science Bulletin2019,64,4: | 3 |
| 10 | Development of metal-organic framework(MOF) decorated graphene oxide/Mg Al-layered double hydroxide coating via microstructural optimization for anti-corrosion micro-arc oxidation coatings of magnesium alloy显示文摘An efcient and simple in-situ growth strategy has been discovered for the preparation of highly reproducible and continuous symbiotic ZIF-8-based anticorrosion coating by using graphene oxide(GO)/Mg AlNO3layered double hydroxides(G/LDHs) buffer layer as a new type of connecting carrier based on micro-arc oxide(MAO) coating of AZ31 magnesium alloy. The components of ZIF-8 were adsorbed and bounded to the surface of the G/LDHs buffer layer-modified substrates to promote the nucleation of ZIF-8,thus growing a phase-pure, uniform, and good symbiosis ZIF-8 membrane. ZIF-8 particles with different growth times compensate for the grain boundary defects of the G/LDHs coating precursor buffer layer to different degrees. The prepared ZIF-8-based coating has excellent stability and corrosion resistance. The results demonstrate that the G/LDHs buffer layer provides a new channel for the MOF-modified MAO substrate of AZ31 magnesium alloy. It also proves that it is feasible to build high-performance anticorrosive coatings with MOF materials. | Yanning Chen Liang Wu Wenhui Yao Jiahao Wu Jianpeng Xiang Xiaowei Dai Tao Wu Yuan Yuan Jingfeng Wang Bin Jiang Fusheng Pan | 2022 | Journal of Materials Science & Technology2022,,35: | 3 |
| 11 | A novel cryogenic insulation system of hollow glass microspheres and self-evaporation vapor-cooled shield for liquid hydrogen storage显示文摘Liquid hydrogen(LH2)attracts widespread attention because of its highest energy storage density.However,evaporation loss is a serious problem in LH2 storage due to the low boiling point(20 K).Efficient insulation technology is an important issue in the study of LH2 storage.Hollow glass microspheres(HGMs)is a potential promising thermal insulation material because of its low apparent thermal conductivity,fast installation(Compared with multi-layer insulation,it can be injected in a short time.),and easy maintenance.A novel cryogenic insulation system consisting of HGMs and a selfevaporating vapor-cooled shield(VCS)is proposed for storage of LH2.A thermodynamic model has been established to analyze the coupled heat transfer characteristics of HGMs and VCS in the composite insulation system.The results show that the combination of HGMs and VCS can effectively reduce heat flux into the LH2 tank.With the increase of VCS number from 1 to 3,the minimum heat flux through HGMs decreases by 57.36%,65.29%,and 68.21%,respectively.Another significant advantage of HGMs is that their thermal insulation properties are not sensitive to ambient vacuum change.When ambient vacuum rises from 10^-3 Pa to 1 Pa,the heat flux into the LH2 tank increases by approximately 20%.When the vacuum rises from 10^-3 Pa to 100 Pa,the combination of VCS and HGMs reduces the heat flux into the tank by 58.08%-69.84% compared with pure HGMs. | Jianpeng ZHENG Liubiao CHEN Ping WANG Jingjie ZHANG Junjie WANG Yuan ZHOU | 2020 | Frontiers in Energy2020,14,3: | 3 |
| 12 | Tissue Expression and Stock Variation of Isozymes of Stone Flounder(Kareius bicoloratus)显示文摘Tissue expression and stock variation of isozymes of stone flounder (Kareius bicoloratus) were analyzed with horizontal starch gel electrophoresis. For the fourteen enzymes assayed, 31 loci were recorded. The results indicated that all the isozymes ex- amined were obviously tissue-specific. The expressions of SOD*, GDH*, G3PDH-2* and ADH-2* were detected only in liver, SDH-1*, MDH-1* and ADH-1* only in muscle, and LDH-B* and LDH-C* only in eyes. In comparison, MDH-2*, GPI-3* and SDH-2* were detected in all tissues examined. Other loci examined were detected in a variety of tissues. Muscle and liver were se- lected to detect the isozyme variation of the two geographic stocks of Qingdao and Weihai, Shandong Province, China. The percent- ages of polymorphic loci (P0.99) were 29.17% and 25.00%, the observed heterozygosities (H0) were 0.028 ± 0.014 and 0.040 ± 0.019, and the expected heterozygosities (He) were 0.039 ± 0.017 and 0.052 ± 0.022 in Qingdao and Weihai stock, respectively. The coeffi- cient of gene differentiation (Fst) and genetic distance (D) between the two stocks was 0.012 and 0.0011, respectively, indicating that the genetic differentiation is low between them. Compared with other species of Pleuronectiformes, both the percentage of polymor- phic loci and the mean heterozygosity of K. bicoloratus were at a middle level. | XU Jianpeng ZHANG Quanqi QI Jie WANG Zhigang | 2007 | Journal of Ocean University of China2007,6,2: | 2 |
| 13 | Comparing the diurnal variations in the SuperMAG auroral electrojet indices SML and SMU显示文摘Diurnal variations of the SuperMAG auroral electrojet indices(SML and SMU)were examined for the period of 1980–2010,and the differences between SML and SMU were especially analyzed.The diurnal variation of SML with a maximum at around 1100 UT has a prenoonpostnoon asymmetry.At solstices,the diurnal variation of SML is much stronger than that at equinoxes.For the SMU,two maxima are recorded in the diurnal variation with the bigger one at 1700 UT and the smaller one at 0400 UT.The seasonal variations are not obvious in the UT variation characteristics of SMU although the intensity of SMU is changed remarkably season by season.For both SML and SMU,the contributing stations are located at higher geomagnetic latitude around 1600 UT and at lower geomagnetic latitude around 0400 UT.These results indicate that:(1)the SML is mostly controlled by the convection electric field.Its diurnal variation is mainly correlated with the equinoctial and R-M hypothesis;(2)the SMU is largely controlled by the ionospheric conductance.Its diurnal variation is tightly correlated with the solar radiation. | Yuan Wang Aimin Du Gengxiong Chen Xin Cao Ying Zhang Min Li Xiaocan Liu Jianpeng Guo | 2014 | Chinese Science Bulletin2014,59,29: | 2 |
| 14 | Desulfurization from thio- phene by SO42 -/ZrO2 catalytic oxidation at room temperature and atmospheric pressure 显示文摘 | Wang Bo Zhu Jianpeng Ma Hongzhu | 2009 | Hazard Mater2009,164,1: | 1 |
| 15 | Dynamics of Anchor Last Deployment of Submersible Buoy System显示文摘Submersible buoy systems are widely used for oceanographic research,ocean engineering and coastal defense.Severe sea environment has obvious effects on the dynamics of submersible buoy systems.Huge tension can occur and may cause the snap of cables,especially during the deployment period.This paper studies the deployment dynamics of submersible buoy systems with numerical and experimental methods.By applying the lumped mass approach,a three-dimensional multi-body model of submersible buoy system is developed considering the hydrodynamic force,tension force and impact force between components of submersible buoy system and seabed.Numerical integration method is used to solve the differential equations.The simulation output includes tension force,trajectory,profile and dropping location and impact force of submersible buoys.In addition,the deployment experiment of a simplified submersible buoy model was carried out.The profile and different nodes' velocities of the submersible buoy are obtained.By comparing the results of the two methods,it is found that the numerical model well simulates the actual process and conditions of the experiment.The simulation results agree well with the results of the experiment such as gravity anchor's location and velocities of different nodes of the submersible buoy.The study results will help to understand the conditions of submersible buoy's deployment,operation and recovery,and can be used to guide the design and optimization of the system. | ZHENG Zhongqiang XU Jianpeng HUANG Peng WANG Lei YANG Xiaoguang CHANG Zongyu | 2016 | Journal of Ocean University of China2016,15,1: | 1 |
| 16 | Local mild hypothermia with thrombolysis for acute ischemic stroke within a 6-h window显示文摘 | Min Bi Qilin Ma Shiyang Zhang Jianpeng Li Yidan Zhang Longting Lin Suijun Tong Desheng Wang | 2011 | Clinical Neurology and Neurosurgery2011,,: | 1 |
| 17 | Flexible and breathable 3D porous SSE/MXene foam towards impact/electromagnetic interference/bacteria multiple protection performance for intelligent wearable devices显示文摘As intelligent wearable devices,they will inevitably be subjected to various damages and disturbances from the external environment during daily use.Therefore,it is urgent to develop safeguarding materials with multiple protective properties.Herein,this work developed a flexible and breathable three-dimensional(3D)porous shear stiffening elastomer(SSE)/MXene(M-SSE)foam with impact/electromagnetic interference(EMI)/bacteria multiple protection performance for intelligent wearable devices.The continuous conductive MXene network in the 3D SSE porous structure made M-SSE foam exhibit excellent electromagnetic interference shielding property with a high shielding effectiveness of 34 dB.Attributed to the shear stiffening effect of porous SSE matrix,M-SSE foam possessed unique anti-impact and protection properties.The energy dissipation rate reached up to more than 85%,illustrating M-SSE foam could effectively attenuate the external impact force and absorb the impact energy.Inherited from the excellent photothermal performance of MXene,M-SSE foam achieved a considerable saturated temperature of 98℃ under 0.57 W/cm^(2) laser power.Therefore,M-SSE foam showed extraordinary antimicrobial property for Staphylococcus aureus according to the principle of photothermal sterilization.Finally,for the development of intelligent wearable devices,conductive MSSE foam could be used as an intelligent sensor to monitor various human movements owing to the highly sensitive property.This work greatly expanded the application prospect of multifunctional protective materials in various complex environments and promoted the development of multifunctional smart wearable devices in protection field. | Min Sang Shuai Liu Jianpeng Wu Xinyi Wang Junshuo Zhang Yunqi Xu Yu Wang Jun Li Ji Li Shouhu Xuan Xinglong Gong | 2023 | Nano Research2023,16,7: | 1 |
| 18 | Programmable robotized‘transfer-and-jet’printing for large,3D curved electronics on complex surfaces显示文摘Large,3D curved electronics are a trend of the microelectronic industry due to their unique ability to conformally coexist with complex surfaces while retaining the electronic functions of 2D planar integrated circuit technologies.However,these curved electronics present great challenges to the fabrication processes.Here,we propose a reconfigurable,mask-free,conformal fabrication strategy with a robot-like system,called robotized‘transfer-and-jet’printing,to assemble diverse electronic devices on complex surfaces.This novel method is a ground-breaking advance with the unique capability to integrate rigid chips,flexible electronics,and conformal circuits on complex surfaces.Critically,each process,including transfer printing,inkjet printing,and plasma treating,are mask-free,digitalized,and programmable.The robotization techniques,including measurement,surface reconstruction and localization,and path programming,break through the fundamental constraints of 2D planar microfabrication in the context of geometric shape and size.The transfer printing begins with the laser lift-off of rigid chips or flexible electronics from donor substrates,which are then transferred onto a curved surface via a dexterous robotic palm.Then the robotic electrohydrodynamic printing directly writes submicrometer structures on the curved surface.Their permutation and combination allow versatile conformal microfabrication.Finally,robotized hybrid printing is utilized to successfully fabricate a conformal heater and antenna on a spherical surface and a flexible smart sensing skin on a winged model,where the curved circuit,flexible capacitive and piezoelectric sensor arrays,and rigid digital–analog conversion chips are assembled.Robotized hybrid printing is an innovative printing technology,enabling additive,noncontact and digital microfabrication for 3D curved electronics. | YongAn Huang Hao Wu Chen Zhu Wennan Xiong Furong Chen Lin Xiao Jianpeng Liu Kaixin Wang Huayang Li Dong Ye Yongqing Duan Jiankui Chen Hua Yang Wenlong Li Kun Bai Zhouping Yin Han Ding | 2021 | International Journal of Extreme Manufacturing2021,3,4: | 1 |
| 19 | Compact mi- crostrip dual-mode dual-band bandpass filter with wide stopband 显示文摘 | Wang Jianpeng Ge L Wang Kai | 2011 | Electron Lett2011,46,4: | 1 |
| 20 | Vibration of two-dimensional hexagonal boron nitride显示文摘The dynamic behavior of two-dimensional nanostructures is important to the future application of nano devices. The vibrational behaviors of single-layered hexagonal boron nitride(h-BN) are studied by molecular dynamics simulation and continuum plate model. The bending stiffness and Poisson's ratios of h-BN along zigzag direction and armchair direction are calculated. H-BN is softer compared with graphene. The continuum plate model can predict the vibration of h-BN with four edge-clamped boundary conditions well. The electric fields in different directions have obvious influence on the vibration of h-BN. The natural frequency of h-BN changes linearly with the electric field intensity along the polarization direction. The natural frequency of h-BN decreases with the increase of electric field intensity along both positive and negative nonpolarization direction. While the natural frequency of h-BN increases with the increase of electric field intensity along both positive and negative transverse electric field. | Jianpeng Yi Lifeng Wang Yiqing Zhang | 2018 | Theoretical & Applied Mechanics Letters2018,8,6: | 1 |