其工作原理是不同核素在衰变过程中，释放出的粒子或射线能量是不同的。
Its working principle is nuclides in the process of decay, the releases of particles or ray energy is different.
论述了泡沫的衰变机理，用搅拌法测定了不同表面活性剂的泡沫衰变过程。
This paper discusses the decaying mechanism of foams and the valuation method used to evaluating the decay of foams.
由于黄河泛滥造成的土壤的微量元素的变化是黄淮海平原文明衰变过程中一只看不见的手。
The flooding of Yellow River led to the change of soil microelement, which in turn played an invisible role in the disintegration of the civilization of Huanghuaihai Plain.
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