应用量子散射理论和介电响应理论，研究了热等离子体对低速重离子的电子阻止本领。
The stopping power of thermal plasma to heavy ions with low velocity is studied by using quantum scattering theory and dielectric response theory.
双晶衍射仪的分辨本领高，测量范围小，最适合作小角散射测量。
Double crystal diffractometer applied to measure SAXS is very satisfactory, since it has high resolving power and relatively small measure area.
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