探测器

Nearly all existing commercial PET scanners use scintillate BGO+PMT combination as their detector design.

目前，几乎所有的商用PET系统均是基于BGO+PMT探测器结构。

The first phase array ofthe AS γ experiment began to run in June 1990. The first phase array thatconsists of 49 plastic scintillate detector has an angle resolution of 1°, atrigger rate of 20Hz and a threshold energy of about 10TeV. The second phasearray was finished on the base of the first phase array in 1994, and after that, apart of the second phase array was made high density.

一期阵列由49个塑料闪烁体探测器组成，探测阈能为10TeV左右，事例触发率为20Hz，角分辨率小于1°。1994年在一期阵列的基础上进行了扩建，扩建后阵列比一期阵列有效面积增大8倍，随后进行了部分加密，建成二期／加密阵列。

The structure of the large area scintillating fiber array detector and the characteristics of the scintillating fibers unit were described.

对大面积光纤阵列探测器中的光纤阵列探测单元的性能进行检测。

According to the circuit of scintillator detector, it gives a formula of the pulse's ideal curve.

根据闪烁探测器的电路特性，推导了其脉冲信号理想曲线方程。

The characteristics of the MAPMT make it well suited for detection of light from scintillator array.

这种低串扰的特性，非常适合作为阵列探测器的光电转换器件。

The contribution of 6Li in scintillator is first observed in this experiment.

利用~(60)Co、~(137)Cs等衰变放出的0.662MeV、1.25MeV的γ射线，采用直流电流法对新研制的载~6Li塑料闪烁探测器的γ射线灵敏度进行了实验标定，得到了一批有价值的实验数据。

TOF detector of plastic scintillator with photomultiplier tube is the traditional TOF measurement method, and is still widely used.

TOF探测器的作用是通过测量粒子的飞行时间，得到粒子的本征质量，从而实现粒子种类鉴别。

Lead tungstate is the crystal approved as the new generation scintillator in CMS experi...

钨酸铅晶体是欧洲核子研究中心确定为CMS工程所用的探测器晶体材料。

The result shows that for scintillator TOF detector, its intrinsic time resolution is about 80ps, but the influence of all other factors is only 50～60ps.

在第一章中，我们分析了飞行时间测量精度的影响因素，结果表明，TOF探测器的本征时间分辨率是影响TOF测量精度的主要因素。

However, by setting a mode scrambler on the transfer fiber and introducing intensity distribution function in the data processing, these effects can be reduced.

在实验调试过程中，为解决光子计数探测器容易饱和的缺点，改进了原先光路设计，使用光纤后向散射信号作为参考光。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。