thick-layer sample

Using Charged Particle Activation Analysis ( CPAA), the concentration of oxygen in a thin boron target was determined, and the method of analyzing the thin unknown sample in comparison with the thick standard was studied.

应用带电粒子活化分析法（CPAA）对硼薄膜中的氧含量进行了测量，并对利用厚标样分析薄样品中的元素含量的比较测量方法进行了研究。

We have sent the sample cutter under separate cover as it is too thick.

由于样品剪样本太厚,我们另邮寄出.

For analysis of hair sample, both the measurement of absorption correction coefficients and the determination of sensitivity factor using addition method are introduced. Quantitative analysis and computer program of medium thick samples are established.

以头发样品为例，分别介绍了采用辐射体测得吸收校正系数和化学加入法测得经校正后的相对灵敏度等方法，建立了正确分析中厚靶样品的定量方法和计算程序。

In non-destructive X-ray fluorescence analysis with thick target, correction method for difference in fluorescence intensity of elements due to sample shape and different distance to the source detector with yttrium as an outer mark element was studied.

摘要在厚靶的非破坏性x射线萤光分析中，以钇做外标元素，研究了不同样品形状及与源、探测器距离不同时，引起接收到元素萤光强度差异的校正方法。

Later calculate fluorescence spatial distributions under one-photon 、 two-photon and three-photon excitation of thick sample;

接着分析厚样品中单光子、双光子和三光子荧光的空间分布；