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| 1 | Study on pneumatic-fuel hybrid system based on waste heat recovery from cooling water of internal combustion engine显示文摘The paper proposes a novel pneumatic-fuel hybrid system,which combines a traditional internal combustion engine(ICE)and a pneumatic engine.One important merit of this concept is that the system can recover waste from cooling water of internal combustion engine to optimize the working process of pneumatic engine,and thus to improve the entire efficiency of the hybrid system.Meanwhile,energy-saving effect due to lower cooling fan power can be achieved on ICE by waste heat recovery of pneumatic engine.Based on thermodynamic analysis,an experimental system is designed and established for verification.The experimental results show that the performance of pneumatic engine is improved when the waste heat recovery concept of the hybrid system is applied.Then an application example on a 4-cylinder engine is analyzed and discussed using numerical simulation.The results show that the fan power of the ICE cooling system can be saved up to 50%by applying the hybrid system.Considering the appreciable improvements on the energy efficiency with only limited system modifications when the concept is applied to traditional ICE based power systems,the proposed hybrid concept has the potential to serve as an alternative technology aiming for energy saving and emission reduction. | FANG YiDong LI DaoFei FAN ZhiPeng XU HuanXiang WANG Lei YU XiaoLi | 2013 | Science China(Technological Sciences)2013，56，12： | 5 |
| 2 | Interpopulation variability of rhizome essential oils in Rhodiola crenulata from Tibet and Yunnan, China显示文摘 | Yidong Lei Peng Nan Tashi Tsering Li Wang Shiping Liu Yang Zhong | 2003 | Biochemical Systematics and Ecology2003，，6： | 1 |
| 3 | Chemical Composition of the Essential Oils of Two Rhodiola Species from Tibet显示文摘 | YIDONG LEI PENG NAN TASHI TSERING | 2003 | Zeitschrift for Naturforschung C :Journal of Biosciences2003，58，： | 1 |
| 4 | Chemical Composi2tion of the EssentialOils of Two Rhodiola Species from Tibet 显示文摘 | Yidong Lei Peng Nan Tashi Tsering | 2003 | Zeitschrift ftir Naturforsehung C: Journal of B iosciences2003，58，16： | 1 |
| 5 | Primary cilia support cartilage regeneration after injury显示文摘In growing children,growth plate cartilage has limited self-repair ability upon fracture injury always leading to limb growth arrest.Interestingly,one type of fracture injuries within the growth plate achieve amazing self-healing,however,the mechanism is unclear.Using this type of fracture mouse model,we discovered the activation of Hedgehog(Hh)signaling in the injured growth plate,which could activate chondrocytes in growth plate and promote cartilage repair. | Dike Tao Lei Zhang Yunpeng Ding Na Tang Xiaoqiao Xu Gongchen Li Pingping Niu Rui Yue Xiaogang Wang Yidong Shen Yao Sun | 2023 | International Journal of Oral Science2023，15，2： | 1 |
| 6 | Photonic amorphous topological insulator显示文摘The current understanding of topological insulators and their classical wave analogs,such as photonic topological insulators,is mainly based on topological band theory.However,standard band theory does not apply to amorphous phases of matter,which are formed by non-crystalline lattices with no long-range positional order but only shortrange order,exhibiting unique phenomena such as the glass-to-liquid transition.Here,we experimentally investigate amorphous variants of a Chern number-based photonic topological insulator.By tuning the disorder strength in the lattice,we demonstrate that photonic topological edge states can persist into the amorphous regime prior to the glass-to-liquid transition.After the transition to a liquid-like lattice configuration,the signatures of topological edge states disappear.This interplay between topology and short-range order in amorphous lattices paves the way for new classes of non-crystalline topological photonic bandgap materials. | Peiheng Zhou Gui-Geng Liu Xin Ren Yihao Yang Haoran Xue Lei Bi Longjiang Deng Yidong Chong Baile Zhang | 2020 | Light(Science & Applications)2020，9，1： | 1 |
| 7 | Genetic diversity of sea buckthorn (Hippophae rhamnoides) populations in northeastern and northwestern China as revealed by ISSR markers显示文摘 | Chunjie Tian Yidong Lei Suhua Shi Peng Nan Jiakuan Chen Yang Zhong | 2004 | New Forests2004，，3： | 1 |
| 8 | 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 |
| 9 | Chemical composition of the essential oils of two Rhodiola species from Tibet显示文摘 | Lei Yidong Nan Peng Tsering Tashi | 2003 | Z Naturforsch C2003，，58： | 1 |
| 10 | Chemical Composition of the Essential Oils of Two Rhodiola Species from Tibet显示文摘 | Yidong Lei Peng Nan Tashi Tsering | 2003 | Zeitschrift für Naturforschung C:Journal of Biosciences2003，58，： | 1 |
| 11 | Characterization of extracellular polymeric substances in the biofilms of typical bacteria by the sulfur K-edge XANES spectroscopy显示文摘A combined approach of physicochemical extraction and sulfur K-edge X-ray absorption near-edge structure(XANES) spectroscopy was applied to characterize the extracellular polymeric substances(EPS) of typical bacterial biofilms in this study. Physicochemical analysis showed variation of the contents of DNA,polysaccharide and protein in different fractions of EPS in different mediums. The sulfur K-edge XANES analysis yielded a variety of spectra.Spectral fitting of the XANES spectra utilizing a large set of model compounds showed that there was more reduced sulfur in both LB-EPS(loosely bound EPS) and TB-EPS(tightly bound EPS) of all the biofilms in LB medium than in R2 A medium. More oxidized sulfur was identified in LB-EPS than that in TB-EPS,suggesting different niches and physiological heterogeneity in the biofilms. Our results suggested that the sulfur K-edge XANES can be a useful tool to analyze the sulfur speciation in EPS of biofilms. | Huirong Lin Chengsong Ye Lu Lv Clark Renjun Zheng Shenghua Zhang Lei Zheng Yidong Zhao Xin Yu | 2014 | Journal of Environmental Sciences2014，26，8： | 1 |
| 12 | Interppulati variability of rhizome essential oils in Rhodiola crenulata from Tibet and Yunnan,China显示文摘 | Yidong Lei Peng Nan Tashi Tsering | 2004 | Biochemical Systematics and Ecology2004，32，： | 1 |
| 13 | Inter-population variability of rhizome essential oils in Rhodiolacrenulata from Tibet and Yunnan, China 显示文摘 | LEI Yidong NAN Peng TSERING Tashi | 2004 | Biochemi-cal Systematics Ecololgy2004，32，6： | 1 |
| 14 | Chemical Composition of the Essential Oils of Two Rhodiola Species from Tibet显示文摘 | Yidong Lei Peng Nan Tashi Tsering | 2003 | Zeitschrift für Naturforschung C:Journal of Biosciences2003，58，： | 1 |
| 15 | Genetic diversity of sea buckthorn (Hippophae rhamnoides) populations in northeastern and northwestern China as revealed by ISSR markers显示文摘 | Chunjie Tian Yidong Lei Suhua Shi Peng Nan Jiakuan Chen Yang Zhong | 2004 | New Forests2004，，3： | 1 |
| 16 | GSTAR:an innovative software platform for processing space geodetic data at the observation level显示文摘To meet the demands for the data combination with multiple space geodetic techniques at the observation level,we developed a new software platform with high extensibility and computation efficiency,named space Geodetic SpatioTemporal data Analysis and Research software(GSTAR).Most of the modules in the GSTAR are coded in C++with object-oriented programming.The layered modular theory is adopted for the design of the software,and the antenna-based data architecture is proposed for users to construct personalized geodetic application scenarios easily.The initial performance of the GSTAR software is evaluated by processing the Global Navigation Satellite System(GNSS)data collected from 315 globally distributed stations over two and a half years.The accuracy of GNSS-based geodetic products is evaluated by comparing them with those released by International GNSS Service(IGS)Analysis Centers(AC).Taking the products released by European Space Agency(ESA)as reference,the Three-Dimension(3D)Root-Mean-Squares(RMS)of the orbit differences are 2.7/6.7/3.3/7.7/21.0 cm and the STandard Deviations(STD)of the clock differences are 19/48/16/32/25 ps for Global Positioning System(GPS),GLObal NAvigation Satellite System(GLONASS),Galileo navigation satellite system(Galileo),BeiDou Navigation Satellite System(BDS),Medium Earth Orbit(MEO),and BDS Inclined Geo-Synchronous Orbit(IGSO)satellites,respectively.The mean values of the X and Y components of the polar coordinate and the Length of Day(LOD)with respect to the International Earth Rotation and Reference Systems Service(IERS)14 C04 products are-17.6 microarc-second(μas),9.2μas,and 14.0μs/d.Compared to the IGS daily solution,the RMSs of the site position differences in the north/east/up direction are 1.6/1.5/3.9,3.8/2.4/7.6,2.5/2.4/7.9 and 2.7/2.3/7.4 mm for GPS-only,GLONASS-only,Galileo-only,and BDS-only solution,respectively.The RMSs of the differences of the tropospheric Zenith Path Delay(ZPD),the north gradients,and the east gradients are 5.8,0.9,and 0.9 mm with respect to the IGS products.The X and Y components of the geocenter motion estimated from GPS-only,Galileo-only,and BDS-only observations well agree with IGS products,while the Z component values are much nosier where anomalous harmonics in GNSS draconitic year can be found.The accuracies of the above products calculated by the GSTAR are comparable with those from different IGS ACs.Compared to the precise scientific orbit products,the 3D RMS of the orbit differences for the two Gravity Recovery and Climate Experiment Follow-on(GRACE-FO)satellites is below 1.5 cm by conducting Precise Point Positioning with Ambiguity Resolution(PPP-AR).In addition,a series of rapid data processing algorithms are developed,and the operation speed of the GSTAR software is 5.6 times faster than that of the Positioning and Navigation Data Analyst(PANDA)software for the quad-system precise orbit determination procedure. | Chuang Shi Shiwei Guo Lei Fan Shengfeng Gu Xinqi Fang Linghao Zhou Tao Zhang Zhen Li Min Li Wenwen Li Cheng Wang Yidong Lou | 2023 | Satellite Navigation2023，4，3： | 0 |
| 17 | Optical design and optimization study of metrology sector at high energy photon source显示文摘Introduction X-ray metrology,including the metrological calibration of X-ray detectors,optical elements and sources,is important for many frontier science,such as X-ray astronomy,EUV-lithography,plasma physics.Among many types of X-ray sources,synchrotron-radiation is considered perfect for X-ray metrology,mainly due to that arbitrarily X-rays specifications can be tailored to meet the demands of metrological calibration of X-ray detectors and optical elements.As a consequence,many metrology beamlines around the world are built,upgrading or to be constructed,including the metrology sector to be constructed at High Energy Photon Source(HEPS).Method One reasonable way to access good metrological data is using a stable X-ray beam,which means that beam position as well as flux should be as constant as possible and the beamline configuration should be simple and robust to reduce the uncertainty from beamline itself.In addition,the spectral purity of monochromatic X-rays is another crucial factor for X-ray metrology,which means stray X-rays and harmonic X-rays must be as low as possible.Many measures are taken to satisfy these requirements.Conclusion An optical design of the metrology sector optimized for synchrotron-radiation-based-metrology is described here.The metrology sector,ranging from 50 eV to 20 keV,will be set up to meet the growing needs of X-ray metrology in China.All beamlines’configurations are simple and easy to use,with an acceptable ratio of high-order harmonics and stray X-rays,which can be under 1%in the entire energy range. | Xiaojuan Zhao Yidong Zhao Lei Zheng Kun Tang Shuhu Liu Fan Li Jianmin Li | 2021 | Radiation Detection Technology and Methods2021，5，2： | 0 |
| 18 | A soft X-ray cryogenic radiometer built on BSRF显示文摘Introduction In the field of the high injection rate X-ray meterage,currently there are no national standards in China,which are urgently needed in areas such as inertial confinement fusion diagnosis and aerospace observation.Globally,many metrology laboratories have developed their own meterage standards based on Cryogenic radiometers.And one soft X-ray cryogenic radiometer has been installed at 4B7B experiment station on Beijing Synchrotron Radiation Facility to measure the X-ray power from 50 nW to 1μW.Purpose The purpose is to verify the accuracy of the X-ray power measurement and the performance of the cryogenic radiometer.Experimental The spectral responsivity of a Si photodiode detector calibrated in the Physikalisch-Technische Bundesanstalt of Germany is calibrated at 750eV again with the cryogenic radiometer based on synchrotron light source.Results Some important performance parameters(e.g.,time constant,responsivity,and nonequivalence error)of the cryogenic radiometer were measured and were in agreement with the design indexes.Calibration results show that total relative uncertainties of X-ray power measurement were below 1%(k=1),and that good consistency was received compared with the calibrations done by the PTB.Conclusion The cryogenic radiometer built at 4B7B is reliable and accurate for soft X-ray power measurement.And the performance of the cryogenic radiometer is also very good. | Xiaoliang Zhao Yidong Zhao Kun Tang Yashuai Zhao Fan Li Lei Zheng Shuhu Liu | 2018 | Radiation Detection Technology and Methods2018，2，2： | 0 |
| 19 | A facile construction of heterostructured ZnO/Co_(3)O_(4) mesoporous spheres and superior acetone sensing performance显示文摘The rapid development of internet and internet of things brings new opportunities for the expansion of intelligent sensors,and acetone as a major disease detection indicator(i.e.,diabetes)making it become extremely important clinical indicator.Herein,uniform mesoporous ZnO spheres were successfully synthesized via novel formaldehyde-assisted metal-ligand crosslinking strategy.In order to adjust the pore structure of mesoporous ZnO,various mesoporous ZnO spheres were synthesized by changing weight percentage of Zn(NO_(3))_(2)·6 H_(2)O to tannic acid(TA).Moreover,highly active heterojunction mesoporous ZnO/Co_(3)O_(4)has been fabricated based on as-prepared ultra-small Co_(3)O_(4)nanocrystals(ca.3 nm)and mesoporous ZnO spheres by flexible impregnation technique.Profit from nano-size effect and synergistic effect of p-n heterojunction,mesoporous ZnO/Co_(3)O_(4)exhibited excellent acetone sensing performance with high selectivity,superior sensitivity and responsiveness.Typically,5 wt%Co_(3)O_(4)embedded mesoporous ZnO sphere showed prominent acetone response(ca.46 for 50 ppm),which was about 11.5 times higher than that in pure ZnO sensing device,and it was also endowed high cyclic stability.The nanocrystals embedded hybrid material is expected to be used as promising efficient material in the field of catalysis and gas sensing. | Mengli Lei Xinran Zhou Yidong Zou Junhao Ma Fahad AAlharthi Abdulaziz Alghamdi Xuanyu Yang Yonghui Deng | 2021 | Chinese Chemical Letters2021，32，6： | 0 |
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