They reported the abnormal uranium content of waters issuing from tuffaceous rocks.

该理论认为，来自凝灰岩的地下水淋蚀铀。

youdao

The factors that result in large change of uranium content in different regions are also discussed.

并对各流域水体中铀含量存在差异的原因进行了讨论。

youdao

Radon gas in the air is present worldwide, its concentration depending on the highly variable uranium content of the soil.

在世界各地，空气中都存在氡气，其浓度取决于土壤中差别极大的铀含量。

youdao

This is not because of any gold or uranium content but rather because of the copper content.

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While the enrichment isn't enough to create nuclear weapons, which require a uranium content of 90% or more, analysts and inspectors say it is step toward being able to create a nuclear weapon.

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