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Chinese Physics Letters 1997年第9期14卷 690-693页

作者： YIN Min LOU Li-ren fu zhu-xi Structure Research Laboratory University of Science and Technology of China and Chinese Academy of SciencesHefei 230026 Department of Physics University of Science and Technology of ChinaHefei 230026

A new method for metalorganic chemical vapor deposition(MOCVD)of GaAs on Si substrates is *** of the usual high temperature surface cleaning treatment for Si substrate,the new method uses room temperature HF vapor polishing in the preparation chamber in the MOCVD system as the first step of the *** crystal GaAs layers with mirror-like surfaces were obtained.

关键词： MOCVD polishing mirror

Ultraviolet Super-Radiation Luminescence of Sputtering ZnO Film Under Cathode-Ray Excitation at Room Temperature

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Chinese Physics Letters 1999年第2期16卷 146-148页

作者： GUO Chang-xin fu zhu-xi SHI Chao-shu Department of Physics University of Science and Technology of ChinaHefei 230026

We report the observation of the cathode-ray(CR)pumped ultraviolet(UV)super-radiation luminescence in ZnO thin film at room temperature(RT).The dependence of UV(peak at about 390nm)and green(peak at about 520nm)luminescent peaks in ZnO thin film under CR excitation on excitation electron beam current has been *** the increase of the density of excitation electron beam current,green peak relatively decreases and UV peak increases,resulting in a change of the luminescent color from green to *** green peak intensity increases sublinearly with the increase of the electron beam current density and saturates at a relatively low density of electron beam *** the intensity of 390nm UV peak increases superlinearly with the increase of the electron beam current *** is a UV super-radiation luminescence of exciton in ZnO under high density *** this paper,three-dimensional atomic force microscope images of the surface of unannealled and annealled ZnO films are given.

关键词： density. excitation luminescence

Photovoltaic Effect of ZnO/Si Heterostructure

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Chinese Physics Letters 1999年第10期16卷 753-755页

作者： fu zhu-xi LIN Bi-xia LIAO Gui-hong Structure Research Laboratory University of Science and Technology of ChinaHefei 230026 Department of Physics University of Science and Technology of ChinaHefei 230026

A type of semiconductor heterostructure fabricated by zinc-oxide films deposited on silicon substrates is *** current-voltage characteristics under dark or illumination were *** is indicated that the sample is likely a semiconductorjunction,and this structure generates an obvious photovoltaic *** responses of photovoltage,cathodotoluminescence and excitation spectra at room temperature were employed to study the structural properties and the mechanism generating photovoltaic effect of the *** energy level and the process of electron transition in the ZnO film have also been deduced.

关键词： effect. illumination excitation

Genetic pathogenesis of acephalic spermatozoa syndrome:past,present,and future

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Asian Journal of Andrology 2022年第3期24卷 231-237页

作者： Yu Wang Ming-Fei xiang Na Zheng Yun-xia Cao fu-xi zhu Reproductive Medicine Center Department of Obstetrics and GynecologyThe First Affiliated Hospital of Anhui Medical UniversityHefei 230022China NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract Anhui Medical UniversityHefei 230032China Key Laboratory of Population Health Across Life Cycle Anhui Medical UniversityMinistry of Education of the People’s Republic of ChinaHefei 230032China Anhui Province Key Laboratory of Reproductive Health and Genetics Anhui Medical UniversityHefei 230022China

Acephalic spermatozoa syndrome(ASS)is one of the most severe spermatogenic failures of all infertility in *** cognition of ASS has experienced a tortuous *** the past years,with the in-depth understanding of spermatogenesis and the emergence of new genetic research technologies,the unraveling of the genetic causes of spermatogenic failure has become highly *** these advances,we established a genetic background and made significant progress in the discovery of the genetic causes of *** is important to identify pathogenic genes and mutations in ASS to determine the biological reasons for the occurrence of the disease as well as provide genetic diagnosis and treatment strategies for patients with this *** this review,we enumerate various technological developments,which have made a positive contribution to the discovery of candidate genes for ASS from the past to the ***,we summarize the known genetic etiology of this phenotype and the clinical outcomes of treatments in the ***,we propose perspectives for further study and application of genetic diagnosis and assisted reproductive treatment in the future.

关键词： acephalic spermatozoa syndrome genetic pathogenesis male infertility

Cathodoluminescence of ZnO Films

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Chinese Physics Letters 1998年第6期15卷 457-459页

作者： fu zhu-xi GUO Chang-xin LIN Bi-xia LIAO Gui-hong Department of Physics University of Science and Technology of ChinaHefei 230026

The cathodoluminescence of ZnO films deposited on Si substrates by reactive dc sputtering is *** from the characteristic green emission band(522nm)of ZnO,an ultraviolet(392nm)band and a blue(430-460 nm)band have been *** x-ray diffraction and cathodoluminescent spectra reveal the dependences of the luminescence on the preparation conditions and crystallinity of the ZnO films.

关键词： ultraviolet preparation luminescence

Dynamic Allocation Strategy Based on Pre-allocation and Agent to Implement Ada95's Distributed Computing

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Wuhan University Journal of Natural Sciences 2003年第4A期8卷 1061-1064页

作者： zhu fu-xi, fu Jian-ming,Wu Chan-le, Cao Zheng School of Computer,Wuhan University,Wuhan 430072,Hubei, China School of Computer Wuhan University Wuhan Hubei China

This paper discusses the model of how the Agent is applied to implement distributed computing of Ada95 and presents a dynamic allocation strategy for distributed computing that based on pre-allocationand Agent. The ... 详细信息

关键词： distributed computing Ada95 Agent equilibrium allocation

A Pre-Allocation Strategy for Implement ADA95's Distrbuted Computing

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Wuhan University Journal of Natural Sciences 2000年第1期5卷 27-30页

作者： zhu fu-xi fu Jian-ming JIN Tao PENG Rong (College of Mathematics and Copmputer Science, Wuhan University,Wuhan 430072,China) Wuhan Univ Wuhan China

In order to realize distributed computing of Ada95, this paper discusses Ada95's distributed system model and an implement model of Ada95's distributed computing-- workstation cluster model. Under this model, we presents a pre-allocation strategy for allocating the computation quantity of distributed units evenly among workstations and also reducing the communication expense between those distributed units.

关键词： distributed computing Ada95 allocation strategy communication expense

Electrical Properties of ZnO/Si Heterostructure

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Chinese Physics Letters 2001年第8期18卷 1108-1110页

作者： LIU Ci-Hui CHEN Yu-Lin LIN Bi-xia zhu Jun-Jie fu zhu-xi PENG Cong YANG Zhen Structure Research Laboratory Chinese Academy of Sciences Department of Physics University of Science and Technology of ChinaHefei 230026 Special Class for the Gifted Young University of Science and Technology of ChinaHefei 230026

The electrical Properties of a type of semiconductor heterostructure fabricated by depositing zinc oxide film on a silicon substrate are *** I-V,I-T curves,and deep level transient spectra are *** these results,we acq... 详细信息

关键词： transient heterostructure Properties

Photoluminescent Properties of ZnO Films Deposited on Si Substrates

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Chinese Physics Letters 2001年第3期18卷 441-442页

作者： ZHANG Guo-Bin SHI Chao-Shu HAN Zheng-fu SHI Jun-Yan fu zhu-xi M.Kirm G.Zimmerer National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei 230026 Department of Physics University of Science and Technology of ChinaHefei 230026 ⅡInstitut für Experimental Physik der Universität Hamburg Germany

The photoluminescence of ZnO films deposited on Si substrates by reactive dc sputtering has been studied by using a synchrotron radiation(SR)light *** excitation spectra show a strong excitation band around 195 nm related to 390 nm emission *** SR vacuum ultraviolet excitation,a new emission band peaked at 290 nm was found for the first time,besides the ultraviolet emission band(390 nm)and green band(520 nm).

关键词： excitation ultraviolet vacuum

A Tabletop Nano-CT Image Noise Reduction Network Based on 3-Dimensional Axial Attention Mechanism

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Computers, Materials & Continua 2024年第7期80卷 1711-1725页

作者： Huijuan fu Linlin zhu ChunhuiWang xiaoqi xi Yu Han Lei Li Yanmin Sun Bin Yan Henan Key Laboratory of Imaging and Intelligent Processing PLA Strategic Support Force Information Engineering UniversityZhengzhou450000China

Nano-computed tomography(Nano-CT)is an emerging,high-resolution imaging ***,due to their low-light properties,tabletop Nano-CT has to be scanned under long exposure conditions,which the scanning process is *** 3D reconstruction data,this paper proposed a lightweight 3D noise reduction method for desktop-level Nano-CT called AAD-ResNet(Axial Attention DeNoise ResNet).The network is framed by theU-net *** encoder and decoder are incorporated with the proposed 3D axial attention mechanism and residual dense *** layer of the residual dense block can directly access the features of the previous layer,which reduces the redundancy of parameters and improves the efficiency of network *** 3D axial attention mechanism enhances the correlation between 3D information in the training process and captures the long-distance *** can improve the noise reduction effect and avoid the loss of image structure *** results show that the network can effectively improve the image quality of a 0.1-s exposure scan to a level close to a 3-s exposure,significantly shortening the sample scanning time.

关键词： Deep learning tabletop Nano-CT image denoising 3D axial attention mechanism