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713篇 您的检索式:作者名="Freund R"
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1岩石破裂以及破裂前信号的演变显示文摘地震是大量的岩石破裂事件。很多大地震之前都存在瞬态信号:电磁信号、磁场变化、电离层扰动、土壤导电率的变化以及其他震前信号。令监测人员奇怪的是,在震前短时间内一些震前信号会衰弱甚至消失不见。岩石中应力活化电流的发现提供了一个可能的解释,应力能够激活岩石中的移动电荷载体,即电子空位缺陷(electron va-cancy defects,EVD),也称空穴,用h.表示。h.相当于O2-中的O-,且以电钝性及休止的状态存在于无应力岩石中。当被激活时,h.沿着应力梯度方向流动,从而产生电流。在非常高的应力速率下,位错累积成微破裂,这正是灾变破裂的开始。当h.电荷载体无法再被激活时,震前破裂信号会明显衰弱。Freund F T Dahlgren R P Chu J j 张祯(译) 田家勇(校) 2011国际地震动态2011,,1:4
2Nonliner theory of the Free electron laser based upon a coaxial hybrid wiggler显示文摘Freund H P Jackson R H Pershing D E 1994Phys Plasmas1994,1,4:2
3Selective vulnerability of the hippocampus in brain ischemia显示文摘Schmidt-Kastner R Freund TF 1991Neurosci1991,40,:2
4A decision-theoretic generalization of on-line learning and application to boosting显示文摘Freund Y Schapire R 1997Journal of Computer and System Sciences1997,55,1:1
5A decision-theoretic generalization of on-line learning and an application to boosting 显示文摘Freund Y Schapire R E 1997Journal of Computer and System Sciences1997,55,1:1
6A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting显示文摘Freund Y Schapire R E 1997Journal of Computer and System Sciences1997,55,1:1
7A decision-theoretic generalization of on-line learning and an application to boosting显示文摘Freund Y Schapire R E 1997Journal of Computer and System Sciences1997,55,1:1
8A Decision-theoretic Gen- eralization of On-line Learning and An Application to Boosting 显示文摘Freund Y Schapire R E 1997Journal of Computer and System Sciences1997,55,1:1
9Large Margin Classification Using the Perceptron Algorithm显示文摘Freund Y Schapire R E 1999Machine Learning1999,37,3:1
10An efficient boosting algorithm for combining preferences显示文摘Freund Y Iyer R Schapire R E 2003Journal of Machine Learning Research2003,,4:1
11Requirement of nu- clear factor-NF-~B in angiotensin II - and isoproterenol-induced cardiac hypertrophy in vivo 显示文摘Freund C Schmidt-Ullrich R Baurand A 2005Circulation2005,111,18:1
12A symplectic Look-ahead Lanczos algorithm for the Hamiltonian eigenvalue problem 显示文摘 MEHRMANN V Manuscipt0,,:1
13Gene gun bombardment with gold particles displays a particular Th2-promoting signal that over-rules the Th1-inducing effect of immunostimulatory CpG motifs in DNA vaccines显示文摘WEISS R SCHEIBLHOFER S FREUND J 2002Vaccine2002,20,2526:1
14Principles of Phar- macoeconomic Analysis of Drug Therapy 显示文摘Freund D A Dittus R S 1992Pharma- coeconomics1992,1,1:1
15An Extension o{ Positive Real Lemma to Descriptor Systems显示文摘Freund R W 2004Optimization Methods and So{tware2004,19,1:1
16Asymmetry and basin migration in the Dead Sea Rift 显示文摘Zak I Freund R 1981Tectonophysics1981,80,:1
17A short introduction to boosting 显示文摘FREUND Y SCHAPIRE R ABE N 1999Journal of Japanese Society for Artificial Intelligence1999,14,5:1
18Boosting the margin: A new explanation for the effectiveness of voting methods 显示文摘Schapire R E Freund Y Bartlett P 1998The Annals of Statistics1998,26,5:1
19Minimum energy configura- tion of epitaxial material cluster on a lattiee-mismaehed sub- strate显示文摘KUKTA R V FREUND L B 1997J Mech Phys Solids1997,45,11:1
20An implementation of the QMR method based on coupled two-term recurrence显示文摘Freund R W Nachtigal N M 1994SIAM J Sci Comput1994,15,2:1
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