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Photoelectrocatalytic hydrogen evolution and synchronous degradation of organic pollutants by pg-C_(3)N_(4)/β-FeOOH S-scheme heterojunction
《Science China(Technological Sciences)》2024年第4期1238-1252,共15页LI XiBao HAN Tao ZHOU YingTang XIE Yu LUO YiDan HUANG JunTong CHEN Zhi DENG Fang 
supported by the National Natural Science Foundation of China(Grant Nos.22262024,22272070,and 52272063);Jiangxi Province Academic and Technical Leader of Major Disciplines(Grant No.20232BCJ22008);Key Project of Natural Science Foundation of Jiangxi Province(Grant No.20232ACB204007);Double Thousand Talent Plan of Jiangxi Province,State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering(Grant No.2022-K31);the Zhejiang Province Key Research and Development Project(Grant No.2023C01191)。
Crafting photoelectrocatalytic materials with robust oxidation-reduction properties for simultaneous hydrogen evolution and pollutant degradation poses a formidable challenge.In this study,a pg-C_(3)N_(4)/β-FeOOH S-s...
关键词：PHOTOELECTROCATALYSIS hydrogen evolution degradation SYNCHRONOUS S-scheme heterojunction 
Synchronous impact phenomenon of a high-dimension complex nonlinear dual-rotor system subjected to multi-frequency excitations
《Science China(Technological Sciences)》2023年第6期1757-1768,共12页LIN RongZou HOU Lei DUN ShiWei CAI YuFeng SUN ChuanZong CHEN YuShu 
supported by the National Natural Science Foundation of China(Grant No.11972129);the National Major Science and Technology Projects of China(Grant No.2017-IV-0008-0045);Department of Science&Technology of Liaoning Province(Grant No.2019BS182);the Educational Department of Liaoning Province(Grant No.LJGD2019009)。
The“synchronous impact”is a phenomenon that increases the dynamic load of the inter-shaft bearing,when the frequency of the aerodynamic excitation is close to the contact frequency of the inter-shaft bearing.This wo...
关键词：synchronous impact DUAL-ROTOR inter-shaft bearing HB-AFT multi-frequency excitations 
Dynamic synchronous motion accuracy measurement and estimation for a five-axis mirror milling system被引量：2
《Science China(Technological Sciences)》2023年第3期689-705,共17页XU Kun TANG XinYu BI QingZhen YU YangBo QIAN DeHou JI YuLei 
supported by the National Natural Science Foundation of China(Grant No.51875357);the State Key Program of National Natural Science Foundation of China(Grant No.U21B2081);the National Defense Science and Technology Excellence Youth Foundation(Grant No.2020-JCJQ-ZQ-079)。
A mirror milling system(MMS)comprises two face-to-face five-axis machine tools,one for the cutting spindle and the other for the support tool.Since it is essential to maintain the cutter and support coaxial during the...
关键词：mirror milling synchronous motion error five-axis machine tool MEASUREMENT dynamic accuracy 
Improved monochromatic pyrometry for synchronous measurement of full-field temperature and deformation被引量：1
《Science China(Technological Sciences)》2021年第9期2033-2046,共14页ZHANG JinSong YUE MengKun WANG JinYang TANG YunLong JIANG JinSong GUI YeWei FENG Xue 
This work was supported by the National Natural Science Foundation of China(Grant Nos.11625207 and 11972326);the Fundamental Research Funds for the Central Universities(Grant No.2652019071)。
Measuring the temperature and deformation synchronously at elevated temperatures is technically challenging and has become a major concern in the evaluation of mechanical properties. In this study, a simple, easy-to-i...
关键词：synchronous measurement monochromatic pyrometry high-temperature DIC 
Electrical activities of neural systems exposed to sinusoidal induced electric field with random phase被引量：5
《Science China(Technological Sciences)》2019年第7期1141-1150,共10页DU Lin CAO ZiLu LEI YouMing DENG ZiChen 
supported by the National Natural Science Foundation of China (Grant Nos. 11672233, 11672231);the NPU Foundation for Fundamental Research (Grant No. 3102017AX008);the Seed Foundation of Innovation and Creation for Graduate Student in Northwestern Polytechnical University (Grant No. ZZ2018173);the Qian Xuesen Laboratory of Space Technology Seed Fund (Grant No. QXS-ZZJJ-02)
The brain neural system is often disturbed by electromagnetic and noise environments, and research on dynamic response of its interaction has received extensive attention. This paper investigates electrical activity o...
关键词：induced electric field random phase ELECTRICAL activity transition COHERENCE RESONANCE SYNCHRONOUS SUPPRESSION 
A dynamic phasor estimation algorithm based on angle-shifted energy operator被引量：1
《Science China(Technological Sciences)》2013年第6期1322-1329,共8页JIN XiaNing WANG FuPing WANG ZanJi 
supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No.20090002110040)
Under dynamic conditions, the signals of power system have time-varying magnitude and frequency, which might lead to considerable errors for synchrophasor measurement. The traditional discrete Fourier transform (DFT) ...
关键词：synchronous phasor measurement discrete Fourier transform （DFT） dynamic conditions energy operator 
Bifurcation analysis on full annular rub of a nonlinear rotor system被引量：9
《Science China(Technological Sciences)》2011年第8期1977-1985,共9页ZHANG HuaBiao CHEN YuShu 
supported by the National Natural Science Foundation of China (Grant No. 10632040)
In this paper, analytical and numerical studies are carried out on the full annular rub motions of a nonlinear Jeffcott rotor. Transition sets of the synchronous full annular rub are given with the help of averaging m...
关键词：nonlinear rotor dynamics synchronous full annular rub constraint bifurcation stability of motion reverse dry whip 
Bifurcation analysis for an SMIB power system with series capacitor compensation associated with sub-synchronous resonance被引量：3
《Science China(Technological Sciences)》2009年第2期436-441,共6页DUAN XianZhong WEN JinYu CHENG ShiJie 
Supported by the National Basic Research Program of China ("973" Projects) (Grant Nos.1998020319 and 2004CB217906)
In this paper,an introduction to the bifurcation theory and its applicability to the study of sub-synchronous resonance (SSR) phenomenon in power system are presented. The continuation and bifurcation analysis softwar...
关键词：SSR (sub-synchronous resonance) BIFURCATION analysis series CAPACITOR compensation 
Synchronous estimation of DTM and fractional vegetation cover in forested area from airborne LIDAR height and intensity data被引量：10
《Science China(Technological Sciences)》2008年第S2期176-187,共12页BAO YunFei1,2,CAO ChunXiang1,ZHANG Hao1,CHEN ErXue3,HE QiSheng1,2,HUANG HuaBing1,LI ZengYuan3,LI XiaoWen1,4 & GONG Peng1 1 State Key Laboratory of Remote Sensing Science,jointly sponsored by the Institute for Remote Sensing Applications of Chinese Academy of Sciences and Beijing Normal University,Beijing 100101,China 2 Graduate University of the Chinese Academy of Sciences,Beijing 100049,China 3 Institute of Forest Resource Information Technique,the Chinese Academy of Forestry,Beijing 100091,China 4 Research Center for Remote Sensing and GIS,Department of Geography and Beijing Key Laboratory for Remote Sensing of Environment and Digital Sites,Beijing Normal University,Beijing 100875,China 
Supported by the National State Key Basic Research Project (Grant No.2007CB714404);the National Natural Science Foundation of China (Grant No.40871173);the State Key Laboratory of Remote Sensing Science,China (Grant No.03Q0030449);Key Science and Technology R&D Program of Qinghai Province (Grant No.2006-6-160-01)
We proposed a method to separate ground points and vegetation points from discrete return,small footprint airborne laser scanner data,called skewness change algorithm.The method,which makes use of intensity of laser s...
关键词：LIDAR INTENSITY SKEWNESS SYNCHRONOUS DTM fractional vegetation COVER 
Field experiments of NR-PSS for large synchronous generators on a 300MW machine in Baishan Hydro Plant被引量：11
《Science China(Technological Sciences)》2007年第4期516-520,共5页LU Qiang MEI ShengWei ZHENG ShaoMing 
Supported by the National Natural Science Foundation of China (Grant Nos. 50525721, 59837270)
To verify the performance of NR-PSS (Nonlinear Robust Power System Stabilizer) for large synchronous generators, field experiments were carried out on a 300 MW generator in Baishan Hydro Plant of Northeast China Power...
关键词：nonlinear robust power system STABILIZER large SYNCHRONOUS generators field EXPERIMENT 
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