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Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013, Article

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Engineering 2020, Volume 6, Issue 8,   Pages 904-912 doi: 10.1016/j.eng.2019.09.001

Abstract:

Using the FengYun-3C (FY-3C) onboard BeiDou Navigation Satellite System (BDS) and Global Positioningworse than the GPS-only solution due to the regional system of BDS and the few BDS channels of the FY-3C

Keywords： Fengyun-3C     LEO precise orbit determination     Onboard BDS and GPS     BDS code bias     BDS/GPS combined POD    

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Design of GPRS Data Terminal Based on S3C2410

Sun Xueyong

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 94-96

Abstract: hardware structure and working process of the embedded Internetconnected platform, which regards S3C2410

Keywords： GPRS；embedded Internet；S3C2410；SIM100-E    

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第四届高性能编译、计算和通信国际会议(HP3C 2020)

Conference Date: 12 Mar 2020

Conference Place: 广东广州

Administered by: HP3C 2020

Pd/Fe3O4 supported on bio-waste derived cellulosic-carbon as a nanocatalyst for C–C coupling and electrocatalytic

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1514-1525 doi: 10.1007/s11705-022-2158-y

Abstract: /sub>O4@C) using a simple multi-step process under aerobic conditions.Under mild reaction conditions, the Pd/Fe3O4@C magnetic nanocatalyst demonstratedAlso, the Pd/Fe3O4@C magnetic nanocatalyst exhibited excellent catalytic activityAlso, we explored the use of Pd/Fe3O4@C magnetic nanocatalyst as an electrocatalystInterestingly, the Pd/Fe3O4@C magnetic nanocatalyst exhibited better electrochemical

Keywords： bio-waste     cellulosic-carbon     Pd/Fe3O4     Hiyama cross-coupling     hydrogen evolution    

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Antenna design and analysis of Fengyun-3 microwave humidity sounder

Wang Hongjian,Li Jing,Liu Heguang,Zhang Shengwei

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 39-45

Abstract:

Fengyun-3(FY-3) microwave humidity sounder antenna has the followingThis Antenna has great influence on the precision of the whole system of FY-3MHS (microwave humidityGreat challenges are brought about with the stringent demand for the FY-3MHS antenna.The successful design and assembly of FY-3MHS antennae fill up the gap of remote sensing in our country

Keywords： FY-3MHS     offset parabolic antenna     corrugated horn     remote sensing    

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Novel mutation c.1210-3C>G in with a poly-T tract of 5T affects mRNA splicing in a Chinese patient

Frontiers of Medicine 2022, Volume 16, Issue 1,   Pages 150-155 doi: 10.1007/s11684-021-0846-5

Abstract: The patient is a compound heterozygote of c.2909G>A, p.Gly970Asp in exon 18 and c.1210-3C>G in cisThe splicing effect of c.1210-3C>G was verified via minigene assay in vitro, indicating that wild-typeplasmid containing c.1210-3C together with T7 sequence produced a normal transcript and partial exon10-skipping-transcript, whereas mutant plasmid containing c.1210-3G in cis with T5 sequence causedOverall, c.1210-3C>G, the newly identified pathogenic mutation in our patient, in combination with T5

Keywords： cystic fibrosis     CFTR     splicing mutation     minigene    

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GO-modified flexible polymer nanocomposites fabricated via 3D stereolithography

Chi Him Alpha Tsang, Adilet Zhakeyev, Dennis Y.C. Leung, Jin Xuan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 736-743 doi: 10.1007/s11705-019-1836-x

Abstract: It was proposed that the GO agglomerates within the 3D printed composites, can result in significant

Keywords： graphene oxide     polymer     flexible     3D printing     stereolithography    

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Ground segment of the new general of Fengyun popoar orbit meteorological satellite (FY 3) and its data

Lu Naimeng,Dong Chaohua,Yang Zhongdong,Shi Jinming,Zhang Peng

Strategic Study of CAE 2012, Volume 14, Issue 9,   Pages 10-19

Abstract:

FY-3 is the second generation of Chinese poplar orbiting meteorologicalAs one of the most important space observation component of World Meteorological Organization, FY-3 satellitesThe FY-3 ground segment has the capacity of global data acquisition in short latency.After data pre-processing and product generation, FY-3 data and products provide comprehensive service

Keywords： FY-3     multi-spectral     three-dimensional     quantitative remote sensing    

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Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 78-88 doi: 10.1007/s11465-015-0331-4

Abstract:

Hydrostatic guideways are used as an alternative to contact bearings due to high stiffness and high damping in heavy machine tools. To improve the dynamic characteristic of bearing structure, the dynamic modeling of the hydrostatic guidway should be accurately known. This paper presents a “mass-spring-Maxwell” model considering the effects of inertia, squeeze, compressibility and static bearing. To determine the dynamic model coefficients, numerical simulation of different cases between displacement and dynamic force of oil film are performed with fluent code. Simulation results show that hydrostatic guidway can be taken as a linear system when it is subjected to a small oscillation amplitude. Based on a dynamic model and numerical simulation, every dynamic model’s parameters are calculated by the Levenberg-Marquardt algorithm. Identification results show that “mass-spring-damper” model is the most appropriate dynamic model of the hydrostatic guidway. This paper provides a reference and preparation for the analysis of the dynamic model of the similar hydrostatic bearings.

Keywords： hydrostatic guidway     dynamic model     dynamic mesh technique     Levenberg-Marquardt     mass-spring-damper model    

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RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 143-155 doi: 10.1007/s11684-022-0929-y

Abstract: Moreover, previous studies confirmed that let-7c-5p, a well-known microRNA, can act as a tumour suppressorHowever, whether RGS16 can promote the progression of glioma and whether it is regulated by miR let-7c-Moreover, RGS16 was validated as a direct target gene of miR let-7c-5p.The overexpression of miR let-7c-5p obviously downregulated the expression of RGS16, and knocking downmiR let-7c-5p had the opposite effect.

Keywords： RGS16     let-7c-5p     glioma     proliferation     migration    

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Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1986-2000 doi: 10.1007/s11705-023-2337-5

Abstract: Breakage of the C–N bond is a structure sensitive process, and the catalyst size significantly affectsOn the active metal nanoparticle scale, the role of catalyst size in C–N bond cleavage has not been clearlyobtained by modulating the reduction temperature, and the catalytic activity was evaluated using 1,2,3,4Results showed a 13 times higher reaction rate for sp3-hybridized C–N bond cleavage than spbond cleavage activity, and the step atoms are the active sites for the C–N bond cleavage.

Keywords： sp3/sp2-hybridized C–N bond     noble metal nanoparticle     catalytic active site     turnover    

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Durability of plasma-sprayed Cr3C2-NiCr coatings under rolling contact conditions

Xiancheng ZHANG, Fuzhen XUAN, Shantung TU, Binshi XU, Yixiong WU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 118-135 doi: 10.1007/s11465-011-0127-0

Abstract: this paper was to address the rolling contact fatigue (RCF) failure mechanisms of plasma-sprayed Cr3C2

Keywords： rolling contact fatigue     coating     Weibull distribution     failure mode     mechanism    

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Persulfate-Induced Three Coordinate Nitrogen (N3C) Vacancies in Defective Carbon Nitride for Article

Wei Miao, Yijie Wang, Ying Liu, Hehe Qin, Chengcheng Chu, Shun Mao

Engineering 2023, Volume 25, Issue 6,   Pages 214-221 doi: 10.1016/j.eng.2021.12.016

Abstract: N4 with abundant three coordinate nitrogen (N3C) vacancies.Our results showed that the introduction of N3C vacancies in the g-C3N4 successfullyThe photocatalytic H2O2 evolution from the N3C-rich g-C3N4 is 4.5 times higher than that of the pristine g-C3N4.This study demonstrates a novel strategy to introduce N3C vacancies in g-C3N4, which offers a new method

Keywords： Carbon nitride     N3C vacancy     Hydrogen peroxide evolution     Photocatalysis     Persulfate    

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Modified iron-molybdate catalysts with various metal oxides by a mechanochemical method: enhanced formaldehyde yield in methanol partial oxidation

Xue Liu, Lingtao Kong, Shengtao Xu, Chaofan Liu, Fengyun Ma

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1099-1110 doi: 10.1007/s11705-020-2008-8

Abstract: A mechanochemical method was employed to prepare modified iron molybdate catalysts with various metal salts as precursors. The physicochemical properties of the iron molybdate catalysts were characterized, and their performances in catalyzing the reaction from methanol to formaldehyde (HCHO) were evaluated. Iron molybdate catalysts doped with Co(NO ) ·6H O and Al(NO ) ·9H O resulted in high HCHO yields. Compared with a commercial catalyst, the HCHO yields in the reaction with the modified catalyst at an optimal Co/Mo molar ratio reached 97.37%. According to chemical state analysis, the formation of CoO and the efficient decrease in the MoO sublimation rate could be important factors enhancing the HCHO yield in reactions catalyzed with iron molybdate doped with different Co/Mo mole ratios.

Keywords： iron molybdate catalyst     metal oxides     methanol to formaldehyde     Co/Mo ratio     formaldehyde yield    

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Vector soliton and noise-like pulse generation using a Ti3C2 MXene material in Research

Shuai Wang, Lei Li, Yu-feng Song, Ding-yuan Tang, De-yuan Shen, Lu-ming Zhao,sdulilei@gmail.com,lmzhao@ieee.org

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 3,   Pages 287-436 doi: 10.1631/FITEE.2000033

Abstract: We built a Tm:Ho co-doped fiber laser using a TiC material as a saturable absorber (SA). The formation of s (VSs) and s (NLPs) was observed. The SA was prepared by dripping a TiC solution on a side-polished D-shaped fiber and then naturally vaporized. The VS is characterized by two coexisting sets of Kelly sidebands. By modulating the polarization controller in the fiber laser, NLPs with about 3.3 nm bandwidth can be switched from the VS. To the best of our knowledge, this is the first time that VSs have been generated in a fiber laser using a TiC material as the SA.

Keywords： 矢量孤子；类噪声脉冲；MXene；光纤激光器    

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Title Author Date Type Operation

Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013,

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Journal Article

Design of GPRS Data Terminal Based on S3C2410

Sun Xueyong

Journal Article

第四届高性能编译、计算和通信国际会议(HP3C 2020)

12 Mar 2020

Conference Information

Pd/Fe3O4 supported on bio-waste derived cellulosic-carbon as a nanocatalyst for C–C coupling and electrocatalytic

Journal Article

Antenna design and analysis of Fengyun-3 microwave humidity sounder

Wang Hongjian,Li Jing,Liu Heguang,Zhang Shengwei

Journal Article

Novel mutation c.1210-3C>G in with a poly-T tract of 5T affects mRNA splicing in a Chinese patient

Journal Article

GO-modified flexible polymer nanocomposites fabricated via 3D stereolithography

Chi Him Alpha Tsang, Adilet Zhakeyev, Dennis Y.C. Leung, Jin Xuan

Journal Article

Ground segment of the new general of Fengyun popoar orbit meteorological satellite (FY 3) and its data

Lu Naimeng,Dong Chaohua,Yang Zhongdong,Shi Jinming,Zhang Peng

Journal Article

Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Journal Article

RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

Journal Article

Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Journal Article

Durability of plasma-sprayed Cr3C2-NiCr coatings under rolling contact conditions

Xiancheng ZHANG, Fuzhen XUAN, Shantung TU, Binshi XU, Yixiong WU

Journal Article

Persulfate-Induced Three Coordinate Nitrogen (N3C) Vacancies in Defective Carbon Nitride for

Wei Miao, Yijie Wang, Ying Liu, Hehe Qin, Chengcheng Chu, Shun Mao

Journal Article

Modified iron-molybdate catalysts with various metal oxides by a mechanochemical method: enhanced formaldehyde yield in methanol partial oxidation

Xue Liu, Lingtao Kong, Shengtao Xu, Chaofan Liu, Fengyun Ma

Journal Article

Vector soliton and noise-like pulse generation using a Ti3C2 MXene material in

Shuai Wang, Lei Li, Yu-feng Song, Ding-yuan Tang, De-yuan Shen, Lu-ming Zhao,sdulilei@gmail.com,lmzhao@ieee.org

Journal Article