维普中文期刊产品整合服务
12篇 您的检索式:作者名="DEYUAN ZHOU"
    题名 作者 年代 出处 被引量
1Watt-level broadly wavelength tunable mode-locked solid-state laser in the 2 μm water absorption region显示文摘We report on broadly wavelength-tunable passive mode-locking with high power operating at the 2 μm water absorption band in a Tm:CYA crystal laser. With a simple quartz plate, stable mode-locking wavelengths can be tuned from 1874 to 1973 nm, with a tunable wavelength range up to ~100 nm and maximum output power up to 1.35 W. The bandwidth is narrow as ~6 GHz, corresponding to a high coherence. To our knowledge, this is the first demonstration of wavelength-tunable mode-locking with watt-level in the 2 μm water absorption band.The high temporal coherent laser can be further applied in spectroscopy, the efficient excitation of molecules, sensing, and quantum optics.WEI ZHOU XIAODONG XU RUI XU XULIANG FAN YONGGUANG ZHAO LEI LI DINGYUAN TANG DEYUAN SHEN 2017Photonics Research2017,5,6:3
2Research on Financial Support for the New Types of Agricultural Management Entities from the Perspective of the Rural Revitalization Strategy显示文摘Both the escape from the predicament of traditional financial support in rural areas and the cultivation of new types of agricultural management entities underlie,at a micro level,the improvement of a new-type of agricultural management system,and offer an important guarantee for the implementation of a rural revitalization strategy.In reference to the demands of carrying out reform,activating factors,invigorating entities and stimulating markets during the implementation of this rural revitalization strategy,we are applying a financing preference theory that infers and analyzes the excessive preference for new-type agricultural management entities(family farms,specialized farmer cooperatives,specialized large family farms,and modern agricultural enterprises)regarding government subsidies(quasi-equity financing).Our analysis has identified crucial factors in the issue and predicts that government subsidies(quasi-equity financing)will crowd out financial support funding(quasi-debt financing),and we offer empirical proof obtained through statistical modeling.As our results indicate,financing costs,free cash flows,and the perceived income adequacy(PIA)of new-type agricultural management entities all have significant influence upon decision-making for debt financing by such entities.Therefore,with the concrete contents of the formulation of policies concerning the financial support for rural agricultural strategy,one not only needs to consider the further decrease of financing costs,but also should take into account both the designing of cash flow mechanism in the process of paying both principal and interest,and the improvement of bankruptcy rules for agricultural management entities to accelerate the transformation of family farms,specialized farmer cooperatives,and specialized large family farms,towards modern agricultural enterprises.Meanwhile,upgrades to the supply chains of the agriculture industry,improvements to the construction of the rural financial information system,building an accounting system that meets the requirements of the rural revitalization strategy,and giving full play to the policies for financial support,which assume an important role in activating factors and markets during the implementation of the rural revitalization strategy,are also anticipated.Wang Rui Zhou Yingheng Huang Deyuan(翻译) 2020Contemporary Social Sciences2020,5,6:1
3Impact of hot alkali modification conditions on secondary structure of peanut protein and embedding rate of curcumin显示文摘This study aimed to modify isolated and extracted peanut protein with hot alkali to study the impact of pH,heating temperature,processing time and other alkali liquor conditions on the molecular structure of the peanut.Curcumin was loaded in modified peanut protein.The results of the study are as follows:Within the alkaline range of 8Wei Li Shugang Li Yong Hu Mengzhou Zhou Chao Wang Dongsheng Li Deyuan Li 2019Food Science and Human Wellness2019,8,3:1
4A self-assembled nanoflower-like Ni_(5)P_(4)@NiSe_(2) heterostructure with hierarchical pores triggering high-efficiency electrocatalysis for Li-O_(2) batteries显示文摘The remarkably high theoretical energy densities of Li–O_(2) batteries have triggered tremendous efforts for next-generation conversion devices.Discovering efficient oxygen reduction reaction and oxygen evolution reaction(ORR/OER)bifunctional catalysts and revealing their internal structure-property relationships are crucial in developing high-performance Li–O_(2) batteries.Herein,we have prepared a nanoflower-like Ni_(5)P_(4)@NiSe_(2) heterostructure and employed it as a cathode catalyst for Li–O_(2) batteries.As expected,the three-dimensional biphasic Ni_(5)P_(4)@NiSe_(2) nanoflowers facilitated the exposure of adequate active moieties and provide sufficient space to store more discharge products.Moreover,the strong electron redistribution between Ni_(5)P_(4) and NiSe_(2) heterojunctions could result in the built-in electric fields,thus greatly facilitating the ORR/OER kinetics.Based on the above merits,the Ni_(5)P_(4)@NiSe_(2) heterostructure catalyst improved the catalytic performance of Li–O_(2) batteries and holds great promise in realizing their practical applications as well as inspiration for the design of other catalytic materials.Xue Han Yanjie Liang Lanling Zhao Jun Wang Qing Xia Deyuan Li Yao Liu Zhaorui Zhou Yuxin Long Yebing Li Yiming Zhang Shulei Chou 2022Materials Futures2022,1,3:0
5Identification of a three-gene signature in the triple-negative breast cancer显示文摘This work aimed to improve current prognostic signatures based on clinical stages in identifying high-risk patients of triple-negative breast cancer(TNBC),to allow patients with a high-risk score for specific treatment decisions.In this study,396 TNBC samples from TCGA and GEO databases were included in genome-wide transcriptome analysis.The relationship between normalized gene expression values and survival data of patients was determined by Cox proportional hazards models in each dataset.The overlapped genes among all datasets were considered as a potential prognostic signature.The risk score was constructed based on individual genes and validated with three separate data sets and the combined dataset.Moreover,the Kaplan–Meier analysis including the log-rank test was performed to determine significantly statistical differences in overall survival.The association analysis between DNA methylation levels and gene expression levels of three genes was measured in the TCGA data set.In Cox proportional hazards model analysis,the result showed that potential protective genes included 564 genes in GSE25066 dataset,1132 genes in GSE103091 dataset and 564 genes in TCGA dataset,potentially risky genes contained 1132 genes in GSE25066 dataset,475 genes in GSE25066 dataset and 1115 genes in TCGA dataset.In all datasets,patients in high-risk groups showed worse prognosis than low-risk groups.Multivariate Cox regression analysis displayed that the 3-gene signature(DCAF4,UQCRFS1 and SS18)was an independent prognostic factor in TNBC.The AUC values of the 3-gene signature were 0.71,0.73 and 0.77 in GSE25066,GSE103091 and TCGA dataset,respectively.The model,which combined the 3-gene signature(DCAF4,UQCRFS1 and SS18)with the tumor stage(pathological stage or pathological T stage),showed a stronger prognostic power for survival prediction.The 3-genes prognostic signature may be a useful biomarker for survival prediction in TNBC patients and may contribute to patient classification in the same tumor stages and individualized clinical treatment.LIPING WANG ZHOU LUO MINMIN SUN QIUYUE YUAN YINGGANG ZOU DEYUAN FU 2022BIOCELL2022,46,3:0
6Revision of a CCT Diagram of the Simulated ADI Weld Metal and Its Application in Actual Welding显示文摘A continuous cooling transformation (CCT) diagram of the simulated ADI weld metal has been developed by means of the Formastor-F diagram measurement apparatus, and revised by comparing with the actual welding. Finally the revised diagram was used to determine the weldingLi, Deyuan Zhou, Zhenfeng Sun, Daqian Shao, Chengji 1998Journal of Materials Science & Technology1998,14,2:0
7Ironing effect on surface integrity and fatigue behavior during ultrasonic peening drilling of Ti-6Al-4V显示文摘Imposing compressive residual stress field around a fastening hole serves as a universal method to enhance the hole fatigue strength in the aircraft assembly filed.Ultrasonic Peening Drilling(UPD)is a recently proposed hybrid hole making process,which can achieve an integration of strengthening and precision-machining with a one-shot-drilling operation.Due to the ironing effect of tool flank surface,UPD introduces large compressive residual stress filed in hole subsurface.In order to reveal the strengthening mechanism of UPD,the influence of ultrasonic vibration and tool dynamic relief angle on ironing coverage rate and its corresponding effect on surface integrity in UPD were analyzed.The experiments were conducted to verify the influence of ironing effect on surface integrity and fatigue behavior of Ti-6Al-4V hole in UPD.The results indicate that the specimen features smaller surface roughness,higher micro-hardness,plastic deformation degree and circumferential compress residual stress under higher ironing coverage rate.The fatigue life increases with the raise of ironing coverage rate,and the fatigue source site in UPD shifts from surface to subsurface comparing with that without vibration assistance.The results demonstrates that a better strengthening effect can be obtained by reasonably controlling the ironing coverage rate in UPD.Yihang LIU Deyuan ZHANG Daxi GENG Zhenyu SHAO Zehua ZHOU Zhefei SUN Yonggang JIANG Xinggang JIANG 2023Chinese Journal of Aeronautics2023,36,5:0
8Bronchoalveolar lavage fluid metagenomic next-generation sequencing assay for identifying pathogens in lung cancer patients显示文摘Background:For patients with lung cancer,timely identification of new lung lesions as infectious or non-infectious,and accurate identification of pathogens is very important in improving OS of patients.As a new auxiliary examination,metagenomic next-generation sequencing(mNGS)is believed to be more accurate in diagnosing infectious diseases in patients without underlying diseases,compared with conventional microbial tests(CMTs).We designed this study tofind out whether mNGS has better performance in distinguishing infectious and non-infectious diseases in lung cancer patients using bronchoalveolar lavagefluid(BALF).Materials and Methods:This study was a real-world retrospective review based on electronic medical records of lung cancer patients with bronchoalveolar lavage(BAL)and BALF commercial mNGS testing as part of clinical care from 1 April 2019 through 30 April 2022 at The First Affiliated Hospital of Sun Yat-sen University.164 patients were included in this study.Patients were categorized into the pulmonary non-infectious disease(PNID)group(n=64)and the pulmonary infectious disease(PID)group(n=100)groups based onfinal diagnoses.Results:BALF mNGS increased the sensitivity rate by 60%compared to CMTs(81%vs.21%,p<0.05),whereas there was no significant difference in specificity(75%vs.98.4%,p>0.1).Among the patients with PID,bacteria were the most common cause of infection.Fungal infections occurred in 32%of patients,and Pneumocystis Yersini was most common.Patients with Tyrosine kinase inhibitors(TKIs)therapy possess longer overall survival(OS)than other anti-cancer agents,the difference between TKIs and immuno-checkpoint inhibitors(ICIs)was insignificant(median OS TKIs vs.ICIs vs.Anti-angiogenic vs.Chemo vs.Radiotherapy=76 vs.84 vs.61 vs.58 vs.60).Conclusions:our study indicates that BALF mNGS can add value by improving overall sensitivity in lung cancer patients with potential pulmonary infection,and was outstanding in identifying Pneumocystis infection.It could be able to help physicians adjust the follow-up treatment to avoid the abuse of antibiotics.JIYU WANG HUIXIA LI DEYUAN ZHOU LIHONG BAI KEJING TANG 2024BIOCELL2024,48,4:0
9Study on the effect of the infill walls on the seismic performance of a reinforced concrete frame显示文摘Motivated by the seismic damage observed to reinforced concrete (RC) frame structures during the Wenchuan earthquake, the effect of infill walls on the seismic performance of a RC frame is studied in this paper. Infill walls, especially those made of masonry, offer some amount of stiffness and strength. Therefore, the effect of infill walls should be considered during the design of RC frames. In this study, an analysis of the recorded ground motion in the Wenchuan earthquake is performed. Then, a numerical model is developed to simulate the infill walls. Finally, nonlinear dynamic analysis is carried out on a RC frame with and without infill walls, respectively, by using CANNY software. Through a comparative analysis, the following conclusions can be drawn. The failure mode of the frame with infill walls is in accordance with the seismic damage failure pattern, which is strong beam and weak column mode. This indicates that the infill walls change the failure pattern of the frame, and it is necessary to consider them in the seismic design of the RC frame. The numerical model presented in this paper can effectively simulate the effect of infill walls on the RC frame.Zhang Cuiqiang Zhou Ying Zhou Deyuan Lu Xilin 2011Earthquake Engineering and Engineering Vibration2011,10,4:0
10Liftoff of a New Hovering Oscillating-wing Micro Aerial Vehicle显示文摘Hovering ability forms the basis for space operations of Micro Aerial Vehicles(MAVs).The problem of uneven load puts high demands on the wing design.In this paper,a new hovering-mode for MAVs,inspired by flapping flight in bees and hummingbirds but using high-aspect-ratio and low-stress wings,is proposed.Different from the flapping actuations that occur at the wing roots,the two wings are driven back and forth in a straight line.To simplify the design and control the angle of attack,passive wing rotation is employed.The numerical results and analysis show that the maximum stress of the oscillating wing is approximately 1/6 of that of the flapping wing when the lift of the oscillating wing is twice that of the flapping wing.A theoretical aerodynamic model of the kinematics of the vehicle's driving mechanism was developed to fulfill its design.Force measurements indicate that the vehicle generates a sufficiently high cycle-averaged vertical thrust(71 g)for liftoff at a maximum frequency of 5.56 Hz,thereby validating the proposed aerodynamic model.Moreover,liftoff performance is presented to visually demonstrate the vertical take-off capabilities and hovering potential of the aeromechanical solution.Xiangcong Zhou Deyuan Zhang Zhiyong Huang Xiaogang Song Hao Liu Lin Feng 2021Journal of Bionic Engineering2021,18,3:0
11RIOK1 synergizes with TRIP13 by regulating the E2F-Rb signaling pathway to promote the proliferation of esophageal cancer cells显示文摘Esophageal cancer is one of the leading causes of cancer death in the world,with approximately half of the new cases occurring in China every year.^(1)Esophageal squamous cell carcinoma(ESCC)is the main subtype,accounting for more than 90%,and the five-year survival rate is less than 10%.Using large-scale genome analysis,many driver mutations and key pathways associated with ESCC have been identified.However,these genomic signatures have not improved the clinical management of EscC patients,or established effective targeted therapy.^(2)Esophageal cancer still lacks representative molecular markers.Chengyu Li Deyuan Pan Wan Lin Danxia Deng Yingxin Zhou Hui Zhao Feng Pan Liyan Xu Enmin Li Lin Long 2024Genes & Diseases2024,11,3:0
122H-MoS_(2)Modified Nitrogen-Doped Hollow Mesoporous Carbon Spheres as the Efficient Catalytic Cathode Catalyst for Aprotic Lithium-Oxygen Batteries显示文摘Developing excellent cathode catalysts with superior catalytic activities is essential for the practical application of aprotic lithium-oxygen batteries(LOBs).Herein,we successfully synthesized nitrogen-doped hollow mesoporous carbon spheres encapsulated with molybdenum disulfide(MoS_(2))nanosheets as the cathode catalyst for rechargeable LOBs,and the relationship between the battery performance and structural characteristics was intensively researched.We found that the synergistic effect of the nitrogen-doped mesoporous carbon and MoS_(2)nanosheets endows superior electrocatalytic activities to the composite catalyst.On the one hand,the nitrogen-doped mesoporous carbon could enable fast charge transfer and effectively accommodate more discharging products in the composite skeleton.On the other hand,the thin MoS_(2)nanosheets could promote mass transportation to facilitate the revisable formation and decomposition of the Li2O2 during oxygen reduction reaction and oxygen evolution reaction,and the side reactions were also prevented,apparently due to their full coverage on the composite surfaces.As a result,the catalytic cathode loaded with 2H-MoS_(2)-modified nitrogen-doped hollow mesoporous carbon spheres exhibited excellent electrochemical performance in terms of large discharge-/charge-specific capacities with low overpotentials and extended cycling life,and they hold great promise for acting as the cathode catalyst for high-performance LOBs.Zhaorui Zhou Lanling Zhao Yao Liu Deyuan Li Qing Xia Jun Wang Zidong Zhang Xue Han Yuxin Long Yiming Zhang Yebing Li Shulei Chou 2023Renewables2023,1,1:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费