نتایج جستجو برای: on line detectors

تعداد نتایج: 8583020  

2000
David Cai David W. M Laughlin Kenneth T. R. M Laughlin

2009
Rüdiger Gleim Ulli Waltinger Alexandra Ernst Alexander Mehler Tobias Feith Dietmar Esch

This paper introduces eHumanities Desktopan online system for corpus management and analysis in support of Computing in the Humanities. Design issues and the overall architecture are described as well as an initial set of applications which are offered by the system.

Journal: :iranian journal of medical physics 0
m. taghizadeh dabbagh m.sc. in medical physics, medical imaging center, imam hosein hospital, shahrood college of medical sciences, shahrood, iran. m. allahverdi assistant professor, medical physics dept., cancer institute, imam khomeini hospital, tehran university of medical sciences, tehran, iran. m. esfahani m.sc. in medical physics, cancer institute, imam khomeini hospital, tehran university of medical sciences, tehran, iran. p. haddad associate professor, radiation therapy dept., cancer institute, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

introduction: during radiotherapy, high accuracy in the dose delivery is required because there is a strong  relationship between the absorbed dose, local tumor control and particularly the normal tissue damage. in  many institutions, in vivo dosimetry using diodes is performed to check the actual dose delivered. in general,  the uncertainty in the dose delivered should fall within  ± 5% of the...

The objective of this research was to improve 3-D imaging system by near-infrared light emission in breast tissue to achieve a more accurate diagnosis of tumor. The results of repeated experiments in this research have shown that with this imaging system, a more accurate diagnosis of abnormal area depends on the location of the sources and detectors. Therefore, an optimal location model has bee...

Journal: :Journal of the Japan Society for Precision Engineering 1990

2015
Atsushi Nishizawa Naoki Seto

In the light of the history of researches on electromagnetic wave spectrum, a sharp emission line of gravitational-wave background (GWB) would be an interesting observational target. Here we study an efficient method to detect a line GWB by correlating data of multiple ground-based detectors. We find that the width of frequency bin for coarse graining is a critical parameter, and the commonly-u...

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