نتایج جستجو برای: eric hirsch

تعداد نتایج: 8961  

Journal: :Medical History 2003
John Symons

Journal: :Current Biology 2012
Eric Davidson

is instrumental against infection. The prize was given to the lab chief, Jules Hoffmann. But the first author on the paper, Bruno Lemaitre, has argued that he initiated the project and planned it, that he made the discovery that mutations in the Toll pathway rendered a fly impotent against infection, that he wrote up the first version of the paper and that Hoffmann’s scientific contribution to ...

2012
Andrew Lippman

The dissemination of information has evolved from word-of-mouth through the printing press to the electronic communications systems of today. Although electronic media make available vast quantities of data, such systems lack the ability to present information in a personalized and useful way. Interactive computer environtments in conjunction with rich information resources are instrumental in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده دامپزشکی 1389

مطالعه ای برای تعیین سروتیپ ها و الگوی مقاومت ضد میکروبی در میان جدایه های سالمونلا در گاوها و گوساله های سالم، بیمار و کالبدگشایی شده انجام شد. در بررسی های قبلی نوزده جدایه ی سالمونلا از مدفوع و بافت های حیوانات مبتلا به سالمونلوز در دو گاوداری صنعتی در شمال شرق ایران حاصل گردیده بود. در قسمت دوم مطالعه، از هریک از دو گاوداری، 4 مرتبه نمونه گیری با فواصلِ 2 ماهه انجام شد. این نمونه ها شامل مدف...

Journal: :JASIST 2007
Jerome K. Vanclay

The h-index (Hirsch, 2005) is robust, remaining relatively unaffected by errors in the long tails of the citations-rank distribution, such as typographic errors that short-change frequently-cited papers and create bogus additional records. This robustness, and the ease with which h-indices can be verified, support the use of a Hirsch-type index over alternatives such as the journal impact facto...

Journal: :Mathematical Social Sciences 2008
Gerhard J. Woeginger

The Hirsch-index is a well-known index for measuring and comparing the output of scientific researchers. The main contribution of this article is an axiomatic characterization of the Hirsch-index in terms of three natural axioms. Furthermore, two other scientific impact indices (called the w-index and the maximum-index) are defined and characterized in terms of similar axioms. © 2008 Elsevier B...

2006
Christopher Hirsch Jeremy Hartman

English-speaking children are known to be delayed in their comprehension of passive sentences (Slobin, 1966; Turner & Rommetveit, 1967; Bever, 1970; Maratsos & Ambramovitch, 1975; Maratsos, Fox, Becker, & Chalkley, 1985; Gordon & Chafetz, 1990; Fox & Grodzinsky, 1998; Hirsch & Wexler, 2004a). Additionally, it has been noted that children’s level of passive comprehension is in part determined by...

2009
PAUL C. KETTLER Warren M. Hirsch

Warren M. Hirsch posed the conjecture which bears his name in a letter of 1957 to George B. Dantzig. Simply stated in geometric terms, Hirsch proposed that a convex polyhedron in dimension d with n facets admits a path of at most (n− d) edges connecting any two vertices. Hirsch posed his conjecture in the context of a linear program in d variables and n constraints as requiring a maximum of (n−...

Journal: :Applied Artificial Intelligence 1989
David E. Hirsch Sheldon R. Simon Tom Bylander Michael A. Weintraub Peter Szolovits

An outstanding abstract will be put here. *David E. Hirsch is now at Price Waterhouse. **Correspondence should be sent to Tom Bylander, The Ohio State University, Computer and Information Science, Columbus, OH 43210, USA ***We acknowledge everybody and anybody that we should. This is a nearlynal draft of the paper that appeared as D. E. Hirsch, S. R. Simon, T. Bylander, M. A. Weintraub, and P. ...

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