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一种人体衰老生物学标志的“可干预性”分析
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作者 陈献文 宋其林 +1 位作者 李侠 高本 《卫生研究》 CAS CSCD 北大核心 2000年第2期127-128,共2页
衰老生物学标志是根据日历年龄来测定一定功能年龄的手段,是确定衰老速度的方法,是延缓衰老药物疗效的标准,是论证健在型衰老的依据[1]。增龄变化、多元组合以及流行病学意义并不能说明指标系作为衰老生物标志的成立,它还必须具有可变性... 衰老生物学标志是根据日历年龄来测定一定功能年龄的手段,是确定衰老速度的方法,是延缓衰老药物疗效的标准,是论证健在型衰老的依据[1]。增龄变化、多元组合以及流行病学意义并不能说明指标系作为衰老生物标志的成立,它还必须具有可变性。1 材料与方法1.1 受试者自愿受?.. 展开更多
关键词 衰老 生物学标志 可干预性
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Imaging of Proteins in Tissue Sections Using Mass Spectrometry as a Discovery Tool
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作者 RichardM.Caprioli 《质谱学报》 EI CAS CSCD 2004年第B10期119-120,共2页
The Mass Spectrometry Group of Richard M. Caprioli at Vanderbilt University is evaluating Macromizer^TM for their MALDI-imaging application. The expectation is to see more high mass proteins due to the increased high ... The Mass Spectrometry Group of Richard M. Caprioli at Vanderbilt University is evaluating Macromizer^TM for their MALDI-imaging application. The expectation is to see more high mass proteins due to the increased high mass sensitivity of Macromizer^TM. 展开更多
关键词 质谱分析 蛋白质 缩氨酸 基质辅助激光解吸电离
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The BTeV DAQ and Trigger System—Some Throughput,Usability and Fault Tolerance Aspects
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作者 E.E.Gottschalk T.Bapty 《International Conference on Computing in High Energy and Nuclear Physics》 2001年第1期628-631,共4页
As presented at the last CHEP conference,the BTeV triggering and data collection pose a significant challenge in construction and operation,generating 1.5 Terabytes/second of raw data from over 30 million detector cha... As presented at the last CHEP conference,the BTeV triggering and data collection pose a significant challenge in construction and operation,generating 1.5 Terabytes/second of raw data from over 30 million detector channels.We report on facets of the DAQ and trigger farms.We report on the current design of the DAQ,especially its partitioning features to support commissioning of the detector.We are exploring collaborations with computer science groups experienced in fault tolerant and dynamic real-time and embedded systems to develop a system to provide the extreme flexibility and high availability required of the heterogeneous trigger farm(-ten thousand DSPs and commodity processors).We describe directions in the following areas:system modeling and analysis using the Model Integrated Computing approach to assist in the creation of domain-specific modeling,analysis,and program synthesis environments for building complex,large-scale computer-based systems;System Configuration Management to include compileable design specifications for configurable hardware components,schedules,and communication maps. Runtime Environment and Hierarchical Fault Detection/Management-a system-wide infrastructure for rapidly detecting,isolating,filtering,and reporting faults which will be encapsulated in intelligent active entites(agents)to run on DSPs,L2/3 processors,and other supporting processors throughout the system. 展开更多
关键词 数据收集 触发系统 容错
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Observation of Rotational Bands in Neutron—Rich ^106Mo Nucleus
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作者 许瑞清 J.H.Hamilton 《Chinese Physics Letters》 SCIE CAS CSCD 2002年第2期180-183,共4页
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Collective Bands in the Neutron—Rich 110Ru Nucleus
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作者 姜卓 J.H.Hamilton 《Chinese Physics Letters》 SCIE CAS CSCD 2003年第3期350-353,共4页
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High-Spin Structure in Neutron-Rich ^108Ru Nucleus
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作者 车兴来 朱胜江 +9 位作者 J.H.Hamilton A.V.Ramayya J.K.Hwang 禹英男 李明亮 郑然成 I.Y.Lee J.O.Rasmussen Y.X.Luo W.C.Ma 《Chinese Physics Letters》 SCIE CAS CSCD 2004年第10期1904-1907,共4页
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Two-Quasiparticle Bands and Isomers in ^98Sr
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作者 李明亮 朱胜江 +10 位作者 J.H.Hamilton A.V.Ramayya J.K.Hwang 车兴来 张征 禹英男 郑然成 I.Y.Lee J.O.Rasmussen Y.X.Luo W.C.Ma 《Chinese Physics Letters》 SCIE CAS CSCD 2004年第11期2147-2150,共4页
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丰中子核^(145,147)La的八极形变 被引量:1
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作者 朱胜江 王牧歌 +24 位作者 朱凌燕 李明 甘翠云 杨利明 萨哈伊 朴秀日 邓景康 龙桂鲁 J.H.Hamilton A.V.Ramayya B.R.S.Babu J.K.Hwang W.C.Ma J.Komicki J.D.Cole R.Aryaeinejad M.W.Drigert J.O.Rasmussen M.A.Stoyer S.Y.Chu K.E.Gregorich M.F.Mohar S.G.Prussin I.Y.Lee Yu.Ts.Oganes 《高能物理与核物理》 EI CSCD 北大核心 2000年第5期418-425,共8页
通过对 2 5 2 Cf自发裂变产生的瞬发γ谱的实验研究 ,建立与扩展了丰中子核145 ,147  La的高自旋态能级图 ,最高自旋态达到 ( 4 1 / 2 + )与 ( 4 3/ 2 - ) .测得的交叉相联的相反宇称带及带间的强化E1跃迁说明在 145 ,147  La中形... 通过对 2 5 2 Cf自发裂变产生的瞬发γ谱的实验研究 ,建立与扩展了丰中子核145 ,147  La的高自旋态能级图 ,最高自旋态达到 ( 4 1 / 2 + )与 ( 4 3/ 2 - ) .测得的交叉相联的相反宇称带及带间的强化E1跃迁说明在 145 ,147  La中形成强的八极形变 .对145 La的研究表明 ,具有轴对称形状的四极形变与具有反演不对称形状的八极形变在同一核中产生共存与竞争 .在πh11/ 2 带中观测到的带交叉位于 ω≈ 0 2 6— 0 30MeV附近 ,由推转壳模型计算表明 ,它是由一对i13/ 2 展开更多
关键词 高自旋态 八极形变 镧145 镧147
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COMPOSITION OPERATORS ON BERGMAN SPACES 被引量:2
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作者 J.H.CLIFFORD ZHENGDECHAO 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2003年第4期433-448,共16页
The authors obtain function theoretic characterizations of the compactness on the standardweighted Bergman spaces of the two operators formed by multiplying a composition operatorwith the adjoint of another compositio... The authors obtain function theoretic characterizations of the compactness on the standardweighted Bergman spaces of the two operators formed by multiplying a composition operatorwith the adjoint of another composition operator. 展开更多
关键词 Bergman spaces Composition operator
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Clinical characteristics of patients with labyrinthine fistulae caused by middle ear cholesteatoma 被引量:1
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作者 YANG Juan-mei CHI Fang-lu +2 位作者 HAN Zhao HUANG Yi-bo LI Yi-ke 《Chinese Medical Journal》 SCIE CAS CSCD 2013年第11期2116-2119,共4页
Background Labyrinthine fistula (LF) is a very common clinical complication mainly caused by middle ear cholesteatoma. Whether the presence of different degree LF caused by middle ear cholesteatoma aggravates neuros... Background Labyrinthine fistula (LF) is a very common clinical complication mainly caused by middle ear cholesteatoma. Whether the presence of different degree LF caused by middle ear cholesteatoma aggravates neurosensory hearing loss (NSHL) and what is the degree of the hearing loss caused by LF were still under controversial. This study aimed to investigate whether the LF degree is correlative with the age distribution, disease duration and hearing loss degree for cholesteatomatous patients. Methods The files of 143 patients with middle ear cholesteatoma were selected and reviewed in a retrospective study. Seventy-eight patients with LF were divided into three types according to the degree of destruction of labyrinth. Sixty-five patients without LF were randomly chosen for control. Then, we compared the clinical characteristics of patients with or without labyrinthine fistulae caused by middle ear cholesteatoma. Results According to the study, cholesteatomatous patients with LF were older and suffered longer disease duration than those without LF. Hearing loss is severe with high frequencies both in patients with and without LF. Moreover, inner ear impairment is correlative with the degree of destruction in labyrinth, and more severe destruction in labyrinth follow the more severe symptoms correlative with inner ear impairment. Conclusion Surgical intervention should be performed as early as possible for these cholesteatomatous patients. 展开更多
关键词 labyrinthine fistula neurosensory hearing loss middle ear cholesteatoma
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