For a single spherical particle, the diffraction pattern shows a typical ring structure.
对于单个圆形颗粒来说,它的衍射图形是一个标准的环状结构。
For the single crystal case the diffraction pattern is dependent upon the orientation of the specimen and the structure of the sample illuminated by the electron beam.
对于单晶体,衍射图样与电子束照射在样品的方向以及样品的原子结构有关。
The Brownian motion results from impacts of the thermal movement of the molecules of the suspending fluid on the particles. The intensity in the diffraction pattern observed under a scattering angle Q fluctuates with time t.
This detector energy resolution, so fluorescent X-rays can be removed from the diffraction pattern without using a diffracted beam.
该探测器具有更高的能量分辨率,因此无需使用接收侧单色器也能够有效消除从样品发出的荧光X射线。
So the intensity in a certain point in the diffraction pattern fluctuates with time (for laser diffraction, these fluctuations are usually averaged out).
(对激光衍射来说,这些波动上下改变幅度通常都差不多,所以通常在计算的时候取其某段时间的平均值。
The change of the position of the particles results in changes of the phases and thus in changes of the fine structure of the diffraction the intensity in a certain point in the diffraction pattern fluctuates with time (for laser diffraction, these fluctuations are usually averaged out).
As the particles are moving from impacts of the thermal movement of the molecules of the medium, the particle positions change with time t. The change of the position of the particles results in changes of the phases and thus in changes of the fine structure of the diffraction pattern.
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