نتایج جستجو برای: chal

تعداد نتایج: 220  

1994
Sandip Sen Mahendra Sekaran John Hale

Researchers in the eld of Distributed Arti cial Intelligence DAI have been developing e cient mechanisms to coordinate the activities of multi ple autonomous agents The need for coordina tion arises because agents have to share resources and expertise required to achieve their goals Previous work in the area includes using sophis ticated information exchange protocols investi gating heuristics ...

2006
B. Friberg M. Lindgren C. Karlsson A. Bergström

A new concep t in the fo rm of a mobi le sc reen (0 .5 x 0 .4 m) produc ing u l t ra -c lean exponent ia l LAF (a i r f low cent ra l zone 0 .6 m/s and pe r iphera l zone 0 .4 m/s) was inves t iga ted as an addi t ion to convent iona l turbulent /mix ing opera t ing room vent i l a t ion . The evalua t ion was per formed dur ing s t r ic t ly s tandard ised sham opera t ions re f lec t ing cond...

2001
John Geddes

Con tent: The suc cess ful in tro duc tion of ev i dence-based prac tice into psy chi a try re quires the ac qui si tion of new skills by cli ni cians. It is also im por tant that pol icy state ments that aim to be ev i dence-based, such as clin i cal prac tice guide lines, use rig or ous meth ods to syn the size the pri mary ev i dence and do not over look its lim i ta tions. One re sult of th...

2018
Rutger De Wit

On a global scale, athalassic inland salt lakes are abundant, albeit restricted to semiarid and arid climates. La Salada de Chiprana is unique in Western Europe, because it is a permanent and relatively deep (up to 5.6 m) hypersaline lake (40–90 g total dissolved salt L–1) since 1700 AD. It forms part of a cultural landscape, which imposes a chal‐ lenge for management. The aim of this paper is ...

2007
Vincent Verfaille Bülent Sankur

Diffusion Tensor Magnetic Resonance Imaging (DTI) is a rathernew technique that allows in vivo imaging of the brain nervousstructure. The DTI data is a 3D second-order positive semi-definite tensor field. DTI analysis and visualization is a chal-lenging field due to the lack of standards and high-dimensionalityof the data. This project focused on 1) implementation of aba...

2015
Mihir Bellare Viet Tung Hoang

This paper provides the first efficient, standard-model, fully-secure schemes for some related andchallenging forms of public-key encryption (PKE), namely deterministic and hedged PKE. These formsof PKE defend against subversion of random number generators, an end given new urgency by recentrevelations on the nature and extent of such subversion. We resolve the (recognized) technica...

Journal: :iranian journal of public health 0
seyyed meysam mousavi mehdi haghi mahdi gharasi manshadi

no abstract.

Journal: : 2023

The article explores the problem of human vulnerability and question temporal security in Martin Heidegger’s philosophy through a historical-philosophical philosophical-anthropological analysis. relevance topic is determined by importance modern world its philosophical analysis context philosopher’s work. In contemporary society, there are numerous threats chal-lenges that can endanger security...

2004
Benjamin Boutrel George F. Koob

Numerous studies dissecting the basic mechanisms that control sleep regulation have led to considerable improvement in our knowledge of sleep disorders. It is now well accepted that transitions between sleep and wakefulness are regulated by complex neurobiologic mechanisms, which, ultimately, can be delineated as oscillations between two opponent processes, one promoting sleep and the other pro...

2005
Nicholas A. Heard Christopher C. Holmes David A. Stephens David J. Hand George Dimopoulos

Department of Mathematics, Imperial College London, Huxley Building, 180 Queens Gate, London SW7 2AZ, UK; Oxford Centre for Gene Function, Department of Statistics, University of Oxford, Oxford, UK and MRC Mammalian Genetics Unit, Harwell, Oxford, OX11 0RD, U.K; and Department of Molecular Microbiology and Immunology, Johns Hopkins School of Public Health, 615 N. Wolfe Street, Baltimore, MD2120...

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