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| 1 | Retinal projection head-mounted display显示文摘 | Junguo LIN Dewen CHENG Cheng YAO Yongtian WANG | 2017 | Frontiers of Optoelectronics2017，10，1： | 4 |
| 2 | STATIC SHAPE CONTROL OF LAMINATED PLATE CONTAINING PIEZOELECTRIC PATCHES显示文摘By applying the Heaviside function,the equations governing laminated plates possess-ing spatially distributed piezoelectric patches have been established.Based on these equations,staticshape control of laminated plates is discussed.By using a genetic and collocation algorithm,the opti-mal locations and scales of these piezoelectric patches have been selected.Numerical examples are pre-sented to illustrate the efficiency of the algorithm and the piezoelectric actuators. | Lin Xiqiang Ren Junguo | 1998 | Acta Mechanica Solida Sinica1998，11，2： | 1 |
| 3 | Risk factors for recurrence of colorectal conventional adenoma and serrated polyp显示文摘Background Removal of colorectal polyps during screening could reduce the incidence of colorectal cancer(CRC).However,there is a lack of data on risk factors associated with recurrence of polyps,including conventional adenomas and serrated polyps(SPs).This study aimed to determine risk factors for recurrence of colorectal polyps and their subtypes based on the characteristics of the patients and polyps.Methods A total of 1,165 patients diagnosed with conventional adenoma or SP in the Sixth Affiliated Hospital of Sun Yat-sen University between January 2013 and December 2019 were enrolled in this study,including 668 cases with conventional adenomas,385 with SPs,and 112 with coexistence of adenomas and SPs.Univariate analysis and multivariate logistic regression were used to identify potential risk factors for polyp recurrence.A nomogram was established according to risk factors and the performance was evaluated using calibration plots.Results During a median follow-up of 24 months,recurrent polyps were observed in 531(45.6%)cases.Male,age≥50 years,body mass index(BMI)≥24 kg/m^(2),at least three polyps,smoking,alcohol consumption,family history of polyps,and family history of CRC were independent risk factors for polyp recurrence.The Harrell’s C-index of the nomogram developed with these parameters was 0.69 and the calibration plots showed good agreement between actual polyp recurrence and nomogram-predicted recurrence probability.In the subtype analyses,conventional adenomas had the same risk factors for recurrence as all polyps,while smoking,alcohol consumption,family history of polyps,and family history of CRC were not risk factors for SP recurrence.Conclusions We identified several risk factors for recurrence of colorectal polyps and found that some of them could increase the risk of adenoma recurrence but not SP recurrence,including smoking,alcohol consumption,and family history of polyps/CRC,which might help us to understand different etiology and biology between conventional adenomas and SPs. | Zengjie Chi Yanyun Lin Juanni Huang Min-Yi Lv Junguo Chen Xijie Chen Bin Zhang Yufeng Chen Jiancong Hu Xiaosheng He Ping Lan | 2022 | Gastroenterology Report2022，10，1： | 1 |
| 4 | Open- Loop Experiments in a Resonator Micro Optic Gyro Using Laserfrequency Modulation 显示文摘 | Li Junguo Lin Qi Bin Xing | 2015 | Optik (0030-4026)2015，126，6： | 1 |
| 5 | Features of Seismic Waves Observed by Downhole Seismometers显示文摘In this paper,the authors have summarized the kinematic and dynamic features of seismic waves observed by downhole seismometers in China.The features of seismic waves recorded on ground and downhole as well as in soil layer and bedrock layer,including amplitude,traveltime,spectrum and wave field are discussed individually and then explained integrally in term of the effects of soft covering layer.This research result has been applied to the establishment of downhole seismic stations,the location of fractures in oil fields and the measurement of seismic focus parameters and structural parameters of media. | Zhang Shaoquan,Yang Maoyuan,Guo Jianmin,Zhu Yuanqing,Lin Yunsong,Wang Junguo,Wei Pengfei and Wei ShizhongInstitute of Geophysics,SSB,Beijing 100081,China Seismological Press,SSB,Beijing 100081,China Graduate School,Academia Sinica,Beijing 100039,China Seismological Bureau of Tianjin,Tianjin 300201,China | 1994 | Earthquake Research in China1994，8，1： | 0 |
| 6 | Seynergistic effect of Mo and Zr additions on microstructure and mechanical properties of Nb-Ti-Si-based alloys additively manufactured by laser directed energy deposition显示文摘The synergistic effect of Mo and Zr additions on microstructure evolution,room-temperature fracture toughness and microhardness of Nb-22Ti-15Si-xMo-yZr(x=4,8,y=3,6)alloys manufactured by laser directed energy deposited(L-DED)have been investigated.The major phases in as-deposited 4Mo-3Zr alloy are Nb solid solution(Nbss),Nb_(3)Si andγ-Nb_(5)Si_(3).The Nb_(3)Si phases disappear with increasing Mo content to 8 at.%or increasing Zr content to 6%.γ-Nb_(5)Si_(3) precipitates formed in the Nbss of as-deposited xMo-yZr alloys due to the cyclic re-heating,and theγ-Nb_(5)Si_(3) precipitates and Nbss matrix exhibits orientation relationship(OR)of[001]Nbss//[1112]γand(110)Nbss//(0110)γin as-deposited 4Mo-6Zr alloy.The microstructure of xMo-yZr alloys became relative homogeneity and the Nbss matrix showed the better continuity after the heat treatment(1400°C/30 h).The Nb_(3)Si phase has transformed into Nbss andαNb_(5)Si_(3) with the OR have been determined as{100}Nbss//{100}αand{111}Nbss//{111}αin the heat-treated 4Mo-3Zr alloy.When Mo content increase to 8at.%,a part ofγ-Nb_(5)Si_(3) phase also transformed into theα-Nb_(5)Si_(3) phase with the OR have been determined as{1120}γ//{110}αand{1010}γ//{111}αafter heat treatment.Among the as-deposited alloys,the 4Mo-6Zr alloy has the highest fracture toughness KQ with the lowest hardness.The average KQ of 4Mo-6Zr and 8Mo-6Zr alloys increased by 28%and 30%after the heat treatment,and reached 13.61 and 11.43 MPa·m^(1/2),respectively.The hardness of Nb-22Ti-15Si-xMoyZr alloys is significantly decreased after the heat treatment. | Yunlong Li Xin Lin Yunlong Hu Jun Yu Junguo Zhao Hongbiao Dong Weidong Huang | 2022 | Journal of Materials Science & Technology2022，，8： | 0 |
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