In this paper, the principle, experimental arrangement and computer program of fundamental parameters method in radioisotope source excited energy dispersive X-ray analysis are described.

本文叙述了放射性同位素源激发能量色散x射线分析中基本参数法的原理、实验装置和计算机程序。

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This model train was mounted with a synthetic radioisotope (a source of neutrons - or energy) and sent on a continuous three-day loop on hobby train tracks to help inform other fusion experiments.

该模型火车安装有合成的放射性同位素(中子或者说能量的来源)，在模型列车轨道上进行连续3天的循环，以协助通知其他聚变实验。

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A radioisotope power source will provide heat and electric power to the rover.

而放射性同位素能量源可以为探测器提供热量和电能。

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