decay correction

After the calculation of the resonance decay correction to these distributions , a principle and method , which can directly decide the colliding component according experimental data are given .

在定量计算了共振衰变对这些分布的修正后，给出了从这些实验分布直接判别碰撞成份的原理与方法。

The various corrections in clinical Positron Emission Tomography ( PET ) are described , including detectors normalization , decay correction , scatter and attenuation correction , calibration etc.

介绍了正电子发射断层扫描（PET）中各种校正的意义及常见算法，这些校正包括归一化校正，衰交校正，散射与衰减校正，活度刻度等。

The overall radiochemical yield with no decay correction is 25 % ~ 30 % , the whole synthesis time is about 70 min , and the radiochemical purity is above 95 % .

FPT总合成时间约为70min，未校正总放化产率为25%～30%，放化纯度大于95%。

The synthesis was typically finished in less than 50 min with overall radiochemical yields of 20 % & 30 % ( without decay correction ) and radiochemical purity more than 98 % .

总合成时间约为50min，放射化学产率为20%&30%（未经衰变校正），放射化学纯度大于98%。

According to the formula for converting decay count into counting rate of the initial point in the measuring interval , an iterative method and a program for analysing multi-component decay curves with correction for decay during the counting interval have been designed .

根据放射性核素在测量区间中的测量计数与该区间始点处的放射性活度的转换公式，提出了一个在测量区间中考虑衰变校正计算的迭代方法和多组分衰变曲线分析程序。