The low value range of Y-ray spectrometry covers 75% of the area of known oil field.

能谱测量的低值区范围与已知油田在本区的面积重合率达75%。

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The paper gives a brief introduction to the European Conference on X-ray Spectrometry 2004.

介绍了2004欧洲X射线光谱分析会议的简况和会议所讨论的热点问题。

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The technique which analyses iron oxide, silicon oxide, aluminum oxide from bauxite with fluorescent X-ray spectrometry was established.

建立了X荧光法测定铝土矿中主要成分氧化铁、氧化硅、氧化铝的方法。

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Using a combination of modern physics tools--including three-dimensional, high-resolution X-ray, radiocarbon dating with accelerator mass spectrometry, and infrared spectroscopy--the researchers analysed the tooth to determine the age and composition of a resinous filling detected inside.

UNESCO: Basic Sciences