نتایج جستجو برای: 2006 and pressurized period 2006
تعداد نتایج: 16869505 فیلتر نتایج به سال:
background: smoking within students community of the medical sciences can negatively impact the attitudes of the society in future. the objectives of this study were to assess the prevalence and trends of smoking among students of tehran university of medical sciences. method: this study was conducted in four consecutive years from 2006 to 2009. the study sample was taken from the first- to fou...
This paper asks how information should flow among networked entities in NCOW. In particular, should the entities actively seek, acquire and process relevant information or should they wait to react to information that others send to them? In short, should they pull information or should they rely upon others to push information to them? In most tactical contexts, smart push will improve efficie...
A new sensor based homing integrated guidance and control law is presented to drive an underactuated autonomous underwater vehicle (AUV) towards a fixed target, in the horizontal plane, using the information provided by an Ultra-Short Base Line (USBL) positioning system. Almost global asymptotic stability (AGAS) is achieved, both in the absence of external disturbances and in the presence of co...
In this part, we discuss some practical methods for computing eigenvalues and eigenvectors of matrices. Needless to say, we completely avoid trying to solve (or even write down) the characteristic polynomial equation. The very basic power method and its variants, which is based on linear iteration, is used to effectively approximate selected eigenvalues. To determine the complete system of eige...
This paper contents the work carried out about recovering, manipulating, unificating, labeling and processing of documents developed within the congresses of TAEE (Technologies Applied to the Teaching of Electronics). The process developed consists in the creation of digital objects and documents arising from the extraction of metadata that define each digital object as a learning object. With ...
The Ensembl (http://www.ensembl.org/) project provides a comprehensive and integrated source of annotation of large genome sequences. Over the last year the number of genomes available from the Ensembl site has increased from 4 to 19, with the addition of the mammalian genomes of Rhesus macaque and Opossum, the chordate genome of Ciona intestinalis and the import and integration of the yeast ge...
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