منابع مشابه
Neutron Contamination Unexpected Dose in Varian LINAC
Introduction: Neutron contamination is very harmful for the patients receiving radiation therapy due to the high relative biological effect of neutrons. Medical linear accelerators head are made up of materials with high atomic numbers, and High-energy photons interaction with heavy materials can produce neutron contamination. In this study, neutron equivalent dose, neutron spe...
متن کاملUnexpected
The day dawned; he came to the ward, With son and wife, and daughter to be The harried young intern Gave an uninterested look “Routine admission, nothing much” “BP normal, pulse regular, heart in dual rhythm” “DT form fi lled, theatre list made” Anaesthetist came for the premed “Healthy gentleman, nothing to worry” “Is there a slight murmur?” “No, can’t be, the HO would have heard” Surgery goes...
متن کاملConductivity-limiting bipolar thermal conductivity in semiconductors
Intriguing experimental results raised the question about the fundamental mechanisms governing the electron-hole coupling induced bipolar thermal conduction in semiconductors. Our combined theoretical analysis and experimental measurements show that in semiconductors bipolar thermal transport is in general a "conductivity-limiting" phenomenon, and it is thus controlled by the carrier mobility r...
متن کاملUnexpected Waves
Extreme, or “rogue,” waves are those in the tail of the probability distribution and are a matter of great concern and considerable research. They may be partly associated with non-Gaussian behavior caused by resonant nonlinear interactions. Here it is shown that even in a Gaussian sea, “unexpected” waves, in the sense of, for example, waves twice as large as any in the preceding 30 periods, oc...
متن کاملInvestigating Hospital Preparedness in Ardabil Province Against Unexpected Accidents
Background: The most crucial issue in the disaster and accidents is the health management of the affected community because accidents and disasters always have a significant impact on hygiene, general health, and the wellbeing of the stricken community. Considering the hospitals’ function and their front line position in managing the victims of accidents and having to continue and even increase...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science
سال: 2013
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.340.6138.1267-b