نتایج جستجو برای: dual energy x

تعداد نتایج: 1358418  

2011
Akira Asada

Let log ( d dx ) be the generator of the1-parameter group { d dxa |a ∈ R} of fractional order differentiations acting on the space of operators of Mikusinski ([5]). The Lie algebra glog generated by log ( d dx ) and log x is a deformation and can be regarded as the logarithm of Heisenberg Lie algebra. We show glog is isomorphic to the Lie algebra generated by d ds log(Γ(1 + s)) and d ds . Hence...

2008
Olivier Goulet

• To be aware of how malnutrition presents and how to screen, assess, and monitor patients for nutritional risk and for response to nutritional support; • To be aware of the importance of the routine screening all patients for malnutrition and of the continued monitoring of those at risk; • To appreciate the value of such diagnostic methods combined with measures of growth and development to in...

Journal: :Science 1980
M Lönnroth T B Johansson P Steen

The project "Energy and Society," sponsored by the Swedish Secretariat for Futures Studies, has studied different indigenous energy sources as alternatives to imported oil in Sweden. One alternative is nuclear energy, antoer is renewable energy. Large uncertainties are associated with both alternatives today. The main characteristics of an energy policy for the rest of the century that does not...

انتظار مهدی, محمد, خم خاجی, جمال, قدیری, حسین , مجرد کاهانی, محمد مهدی , هاشمی, سمانه, کمالی اصل, علیرضا ,

Background and purpose: Dual-energy mammography is a technique which is used to enhance the accuracy of breast cancer diagnosis especially in dense breasts. This study was conducted based on the simultaneous use of two contrast agents for automatic separation and also to evaluate their accuracy using dual-energy digital mammography. Materials and methods: A breast phantom was designed and b...

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