نتایج جستجو برای: مدل fdh

تعداد نتایج: 120239  

Journal: :European Journal of Operational Research 2011
Walter Briec Qi Bin Liang

Tracing back from Charnes, Cooper and Rhodes [9] many approaches have been proposed to extend the DEA production model to non-convex technologies. The FDH method were introduced by Deprins, Simar and Tulkens [13] and it only assumes a free disposal assumption of the technology. This paper, continues further an earlier work by Briec and Horvath [7]. Among other things, a new class of semilattice...

2012
M. H. Shirvani H. Alinejad-Rokny

Abstract: In this paper, an attempt has been made to investigate how DEA FDH method based on linear programming can select one or more efficient scheduling solutions on multiprocessor tasks obtained by any heuristic algorithms through some feasible solutions for NP-complete problems. This article will consider the problem of scheduling multiprocessor tasks with multi–criteria, namely, minimizin...

امروزه با وجود فنآورشدن مدارس و رشد و پیشرفت تکنولوژی، همچنان نقش مدیریت و ارزیابی کارایی و عملکرد به عنوان عاملی حیاتی و راهبردی در بقای سازمان، کاملاً مشهود است. ارزیابی عملکرد مدارس و در نتیجه آن هدایت مدارس، یکی از مسائل پیچیده در امر آموزش و تعالی می‌باشد که به صورت عینی و کمی کمتر مورد توجه قرار گرفته است. در تحقیقاتی که در این حوزه انجام شده است کمتر می‌توان به یک تحقیقی عینی، که نتیجه آن...

Journal: :IEICE Transactions 2005
Kei Kawauchi Mitsuru Tada

Up to present, proposed are many multi-signature schemes in which signers use respective moduli in the signature generation process. The FDH-based schemes are proposed by Mitomi et al. and Lysyanskaya et al.. The PSS-based schemes are proposed by Kawauchi et al. and Komano et al.. The FDH-based schemes have the advantage that the signature size is independent of the number of the signers. Howev...

2010
Marc Fischlin Anja Lehmann Thomas Ristenpart Thomas Shrimpton Martijn Stam Stefano Tessaro

This paper investigates the Random Oracle Model (ROM) feature known as programmability, which allows security reductions in the ROM to dynamically choose the range points of an ideal hash function. This property is interesting for at least two reasons: first, because of its seeming artificiality (no standard model hash function is known to support such adaptive programming); second, the only kn...

Journal: :Clinical chemistry 1993
R Docter H van Toor E P Krenning M de Jong G Hennemann

Three methods for estimating free thyroxine (FT4) in serum were studied: equilibrium dialysis, the SPAC-ET FT4 radioimmunoassay kit, and the Amerlite MAB FT4 luminometric assay. Serum samples from 10 subjects with above-normal thyroxine-binding globulin (TBG), 6 with low TBG, 30 with familial dysalbuminemic hyperthyroxinemia (FDH), 13 with nonesterified fatty acids (NEFA) concentrations in seru...

Journal: :Applied and environmental microbiology 2012
Mohab A Al-Hinai Alan G Fast Eleftherios T Papoutsakis

Isolation of Clostridium mutants based on gene replacement via allelic exchange remains a major limitation for this important genus. Use of a heterologous counterselection marker can facilitate the identification of the generally rare allelic exchange events. We report on the development of an inducible counterselection marker and describe its utility and broad potential in quickly and efficien...

2014
Delia Projahn Sakine Simsekyilmaz Smriti Singh Isabella Kanzler Birgit K Kramp Marcella Langer Alexandrina Burlacu Jürgen Bernhagen Doris Klee Alma Zernecke Tilman M Hackeng Jürgen Groll Christian Weber Elisa A Liehn Rory R Koenen

Myocardial infarction (MI) induces a complex inflammatory immune response, followed by the remodelling of the heart muscle and scar formation. The rapid regeneration of the blood vessel network system by the attraction of hematopoietic stem cells is beneficial for heart function. Despite the important role of chemokines in these processes, their use in clinical practice has so far been limited ...

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