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Galileo multi-day precise orbit determination using L-band and SLR data 认领 引用
1
作者 Tianhe Xu Honglei Yang +4 位作者 Song Li Zhenlong Fang Wenfeng Nie Min Li Baoguo Yu 《Geodesy and Geodynamics》 EI CSCD 2025年第1期99-110,共12页
The continuously available satellites of European Galileo currently reach more than 25.To explore the rationality and reliability of the L-band and satellite laser ranging(SLR)data processing strategies,we design the ... The continuously available satellites of European Galileo currently reach more than 25.To explore the rationality and reliability of the L-band and satellite laser ranging(SLR)data processing strategies,we design the Galileo L-band,the SLR-only,and the combined L-band/SLR dynamic precise orbit determination(POD)strategies by using the normal equations(NEQs)stacking,and investigate their continuity and stability by employing the Galileo L-band data and SLR observations for the time span of the whole year of 2023,based on the Bei Dou/GNSS analysis center platform of Shandong University by using the modified Bernese GNSS Software Version 5.4.The orbital consistency of the L-band 1-day solution is the best with the Three-dimensional Root-Mean-Square(3D-RMS)values of 3.6 cm compared with the Center for Orbit Determination in Europe Multi-GNSS Experiment(COM)orbits,the corresponding values is 1.4 cm,2.5 cm,and 2.3 cm in Radial,the Tangential,and the Normal(RTN)direction,respectively.While the SLR-only 9-day arc length is optimal with the RTN values of 5.3 cm,30 cm,and 38.2 cm,as well as the 3D-RMS values of 48.9 cm.Encouragingly,the difference of the orbital accuracy between the combined L-band/SLR multi-day solution and the COM orbits is reduced by 0.5 cm and 0.9 cm,0.6 cm and 1.2 cm in T-,and N-direction for the 3-and 5-day solution respectively.The corresponding values improve 0.7 cm and 0.9 cm,1.4 cm and 1.8 cm for the 3-and 5-day orbital overlaps difference between the combined L-band/SLR and the L-band solution.Take the E09 satellite as a case study,the SLR-only orbital accuracy is regularly optimized as the multi-day arc lengthens and with the sites increase.Furthermore,the SLR residuals of its three types of orbits further demonstrate the positive contribution of SLR to the combination of the GNSS and SLR techniques. 展开更多
关键词 Galileo POD SLR L-band NEQs stacking
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Advances in the Intervention of Prunella Spica Capsules on Postoperative Recurrence of Nodular Goiter 认领 引用
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作者 Chuanwen SHI Xiaogong YOU +2 位作者 Qingyun LI Honglei YANG Yulin XU 《Medicinal Plant》 2023年第4期119-122,共4页
As important drugs for the treatment of nodular goiter(NG),Prunella Spica preparations are widely used clinically,and have a significant effect on NG.Various active ingredients in the preparations intervene in the for... As important drugs for the treatment of nodular goiter(NG),Prunella Spica preparations are widely used clinically,and have a significant effect on NG.Various active ingredients in the preparations intervene in the formation of NG by inhibiting the proliferation of thyroid follicular cells,promoting cell apoptosis,regulating immunity,improving the microcirculation of thyroid tissue and other mechanisms,and can reduce the postoperative recurrence of NG. 展开更多
关键词 Prunella Spica capsules Nodular goiter Postoperative recurrence Intervention
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The green synthesis of ultrafine palladium–phosphorus alloyed nanoparticles anchored on polydopamine functionalized graphene used as an excellent electrocatalyst for ethanol oxidation 认领 引用 被引量：1
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作者 Honglei Yang Hai Zou +3 位作者 Ming Chen Shuwen Li Jun Jin Jiantai Ma 《Inorganic Chemistry Frontiers》 SCIE EI 2017年第11期1881-1887,共7页
A new catalyst,consisting of ultrafine Pd–P alloyed nanoparticles(NPs)anchored on polydopamine functionalized graphene(Pd–P/PDA-GS),was fabricated by a green,facile and surfactant free method.The mussel-inspired mol... A new catalyst,consisting of ultrafine Pd–P alloyed nanoparticles(NPs)anchored on polydopamine functionalized graphene(Pd–P/PDA-GS),was fabricated by a green,facile and surfactant free method.The mussel-inspired molecular dopamine self-assembled into PDA on the surface of graphene nanosheets(GSs)at room temperature to structure the carrier. 展开更多
关键词 graphene nanosheets gss electrocatalyst ethanol oxidation green synthesis polydopamine functionalized graphene ultrafine palladium phosphorus alloyed nanoparticles
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