维普中文期刊产品整合服务
10篇 您的检索式:作者名="Yunyi Fu"
    题名 作者 年代 出处 被引量
1Current status of pediatric kidney transplantation in China: data analysis of Chinese Scientific Registry of Kidney Transplantation显示文摘Liu Longshan Zhang Huanxi Fu Qian Chen Liping Sun Chuanhou Xiong Yunyi Shi Bingyi Wang Changxi 2014Chinese Medical Journal2014,,3:10
2Toward High Carrier Mobility and Low Contact Resistance:Laser Cleaning of PMMA Residues on Graphene Surfaces显示文摘Poly(methyl methacrylate)(PMMA) is widely used for graphene transfer and device fabrication.However,it inevitably leaves a thin layer of polymer residues after acetone rinsing and leads to dramatic degradation of device performance.How to eliminate contamination and restore clean surfaces of graphene is still highly demanded.In this paper,we present a reliable and position-controllable method to remove the polymer residues on graphene films by laser exposure.Under proper laser conditions,PMMA residues can be substantially reduced without introducing defects to the underlying graphene.Furthermore,by applying this laser cleaning technique to the channel and contacts of graphene fieldeffect transistors(GFETs),higher carrier mobility as well as lower contact resistance can be realized.This work opens a way for probing intrinsic properties of contaminant-free graphene and fabricating high-performance GFETs with both clean channel and intimate graphene/metal contact.Yuehui Jia Xin Gong Pei Peng Zidong Wang Zhongzheng Tian Liming Ren Yunyi Fu Han Zhang 2016Nano-Micro Letters2016,8,4:2
3Microstructure and mechanical behavior of a multiphase Al3 Ti-base intermetallic alloy显示文摘Fu Yunyi Shi Rong 2000Intermetallics2000,,8:1
4Microstructure and mechanical beha- vior of a multiphase AI3 Ti-based intermetallic alloy显示文摘Fu Yunyi Shi Rong 2000Intermetallics2000,8,911:1
5METASTABLE STATE TRANSFOR MATIONS OF Al_3Ti BASE ALLOYS DURING MECHANICAL MILLING AND SUBSEQUENT ANNEALING显示文摘Developing multi phase alloy is an effective approach for the strengthening and toughening of the L1 2 Al 3Ti alloy. A Nb modified Al 3Ti base alloy which has a L1 2 matrix and the precipitated second phase has been developed. Since the effect of second phase is strongly influenced by its size and distribution, high energy ball milling was employed to fabricate the alloy in comparison with the conventional casting process. It was found that structure evolution during mechanical milling is different for DO 22 , L1 2 and L1 2+DO 22 two phase alloys. The DO 22 Al 3Ti transformed only to a FCC structure even after long time milling. The ordering of L1 2 Al 67 Ti 25 Mn 8 decreased quickly and changed into a FCC structure after short time milling, subsequent milling led to the amorphous transition. The DO 22 phase in Al 3Ti Mn Nb alloys dissolved into the L1 2 matrix quickly in the early stage of milling and the matrix changed into a FCC supersaturated solid solution after 10 h milling, further milling led to the amorphous transition. Reordering of the metastable structures occurred during the annealing process. The consolidated materials consisting of fine equiaxed grains with dispersed particles exhibited remarkable improvement of strength and promising ductility.Qian Wang, Yunyi Fu, Jinxu Zhang, Rong Shi and Gengxiang Hu The Education Ministry of China Open Research Lab for High Temperature Materials and Testing, Shanghai Jiao Tong University, Shanghai 200030, China 1999中国有色金属学会会刊:英文版1999,9,S1:1
6Single-molecule DNA logic nanomachines based on origami显示文摘Nowadays,it is a truism that chemists,bioengineers and others must be schooled in cell and molecular biology,including knowledge of the cellular,elemental and molecular building blocks of living systems.Inspired by exquisite and efficient biomolecular machines in living cells,such as ATPases that catalyze the decomposition of ATP into ADP and free phosphate ion,researchers representing multiple disciplines are actively engaged in developing artificial nanostructures with well-defined geometry and nanoscale addressability.A successful outcome of these studies could lead to the development and clinical application of smart molecular machines for the drug delivery of theranostics in vivo.Yunyi Liu Xiaoxiao Hu Ting Fu Ruowen Wang Weihong Tan 2019Science China Chemistry2019,62,4:1
7Physical mechanism of field modulation effects in ion implanted edge termination of vertical GaN Schottky barrier diodes显示文摘In this study,the physical properties of F ion-implanted GaN were thoroughly studied,and the related electric-field modulation mechanisms in ion-implanted edge termination were revealed.Transmission electron microscopy re.sults indicate that the ion-implanted region maintains a single-crystal structure even with the implantation of high-energy F ions,indicating that the high resistivity of the edge termination region is not induced by amorphization.Alternately,ion implantation-induced deep levels could compensate the electrons and lead to a highly resistive layer In addition to the bulk ffect,the direct bombardment of high-energy F ions resulted in a rough and nitrogen-deficient surface,which was confirmed via atomic force microscopy(AFM)and X-ray photoelectron spectroscopy,The implanted surface with a large density of nitrogen vacancies can accommodate electrons,and it is more conductive than the bulk in the implanted region,which is validated via spreading resistance profiling and conductive AFM measurements.Under reverse bias,the implanted surface can spread the potential in the lateral direction,whereas the acceptor traps capture electrons acting as space charges,shifting the peak electric field into the bulk region in the vertical direction.As a result,the Schottky barrier diode terminated with high-energy F ion-implanted regions exhibits a breakdown voltage of over 1.2 kv.Ruiyuan Yin Chiachia Li Bin Zhang Jinyan Wang Yunyi Fu Cheng P.Wen Yilong Hao Bo Shen Maojun Wang 2022Fundamental Research2022,2,4:1
8From germline genome to highly fragmented somatic genome:genome-wide DNA rearrangement during the sexual process in ciliated protists显示文摘Genomes are incredibly dynamic within diverse eukaryotes and programmed genome rearrangements(PGR)play important roles in generating genomic diversity.However,genomes and chromosomes in metazoans are usually large in size which prevents our understanding of the origin and evolution of PGR.To expand our knowledge of genomic diversity and the evolutionary origin of complex genome rearrangements,we focus on ciliated protists(ciliates).Ciliates are single-celled eukaryotes with highly fragmented somatic chromosomes and massively scrambled germline genomes.PGR in ciliates occurs extensively by removing massive amounts of repetitive and selfish DNA elements found in the silent germline genome dur-ing development of the somatic genome.We report the partial germline genomes of two spirotrich ciliate species,namely Strombidium cf.sulcatum and Halteria grandinella,along with the most compact and highly fragmented somatic genome for S.cf.sulcatum.We provide the first insights into the genome rearrangements of these two species and compare these features with those of other ciliates.Our analyses reveal:(1)DNA sequence loss through evolution and during PGR in S.cf.sulcatum has combined to produce the most compact and efficient nanochromosomes observed to date;(2)the compact,transcriptome-like somatic genome in both species results from extensive removal of a relatively large number of shorter germline-specific DNA sequences;(3)long chromosome breakage site motifs are duplicated and retained in the somatic genome,revealing a complex model of chromosome fragmentation in spirotrichs;(4)gene scrambling and alternative pro-cessing are found throughout the core spirotrichs,offering unique opportunities to increase genetic diversity and regulation in this group.Liping Lyu Xue Zhang Yunyi Gao Tengteng Zhang Jinyu Fu Naomi A.Stover Feng Gao 2024Marine Life Science & Technology2024,6,1:0
9EFFECTS OF HIGH-ENERGY BALL MILLING ON STRUCTURE AND MECHANICAL PROPERTIES OF L1_2 INTERMETALLIC COMPOUND Al_(67)Mn_8Ti_(25)显示文摘1INTRODUCTIONTheorderedintermetaliccompoundAl3Tiisnoticeablebecauseofitslowdensity(3.4g/cm3),excelenthightemperatureoxidatio...Yunyi, Fu Qian, Wan Gengxiang, Hu 1998中国有色金属学会会刊:英文版1998,8,3:0
10Field-effect Transistors Based on Single-wall Carbon Nanotubes Bundles显示文摘WANG Xiaofeng GUO Ao GUAN Lunhui SHI Zujin GU Zhennan FU Yunyi ZHANG Xing Huang Ru 2005Chinese Journal of Electronics2005,14,4:0
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