نتایج جستجو برای: instantaneous dose rate

تعداد نتایج: 1241918  

Journal: :Network 2003
Robert E Kass Valérie Ventura Can Cai

The purpose of smoothing (filtering) neuronal data is to improve the estimation of the instantaneous firing rate. In some applications, scientific interest centres on functions of the instantaneous firing rate, such as the time at which the maximal firing rate occurs or the rate of increase of firing rate over some experimentally relevant period. In others, the instantaneous firing rate is need...

Introduction:  All of  the  people worldwide  are exposed  to  low levels  of  radiation. Cancer induction  and  genetic disorders are among the hazards of low level exposure. In some cases, radiation close to hot springs is  higher than normal areas due to a high concentration and the decay products of Ra-226. Given the use of hot  springs by the general public  because  of their therapeutic p...

Journal: :Physics in medicine and biology 2005
Carmen S Guzmán Calcina Adelaide de Almeida José R Oliveira Rocha Felipe Chen Abrego Oswaldo Baffa

Source positioning close to the tumour in high dose rate (HDR) brachytherapy is not instantaneous. An increment of dose will be delivered during the movement of the source in the trajectory to its static position. This increment is the transit dose, often not taken into account in brachytherapeutic treatment planning. The transit dose depends on the prescribed dose, number of treatment fraction...

Journal: :Transactions of the Society of Instrument and Control Engineers 1982

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