This method is simple and accurate with quick effectiveness which can be used to determine trace gold in geological samples.

本法简单易行、准确迅速，能适用于地质样品中微量金的测定。

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Combining chemical separation procedures having low blank, measurements of micro-geological samples have successively been achieved.

结合低本底化学流程，实现了微量地质样品的高精度同位素比值测试。

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A sample preparation method with low dilution factor has been applied to the analysis of geological samples by X ray fluorescence spectrometry.

研究制定了在X射线荧光光谱分析中适用于多类型地质样品的低稀释比制样技术。

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Meanwhile, the stromatolite will sit on the geological samples table and will be picked up and examined and discussed, acquiring many fingerprints.

NEWYORKER: Stone Mattress

Among the effects found in Scott's tent were 35 kilograms of geological samples which had been faithfully carried for hundreds of miles from the South Pole to their final resting place, only 11 miles from One Ton Camp.

ECONOMIST: Letters

The Purdue team, assisted by the Indiana Department of Natural Resources and the U.S. Geological Survey, collected water samples containing Asian carp eggs in 2011 from sections of the river that were much shallower and narrower than had been considered necessary for spawning, Goforth said.

WSJ: Asian carp spawning areas wider than expected