查询词典 uranium-actinium

The method is applied to the determination of nitrate ion in uranium dioxide sample with satisfactory results.

该法可用于测定二氧化铀产品中微量NO(上标-下标 3)，操作简单，可行性强，可以满足测定要求。

The toxic effects of uranium and lead to B.

实验考察铀和铅的质量浓度为1～2000mg／L。

Secular disequilibrium of uranium can lead to erroneous results.

铀的永久不平衡会导致错误的结果。

By calculating the ratio of uranium to lead, they determined that a dozen of the grains were very old indeed.

通过计算进入的铀的含量，他们确定了十二个锆石颗粒的确非常古老。

Its crystal accumulates atoms of uranium, which decay to lead at a known rate.

其晶体铀原子累积，导致在已知衰变率。

By measuring the relative abundance of two types of uranium and lead in a zircon, geologists can determine old it is.

通过测量相对两种铀和铅的锆、据地质学家能确定旧。

At the scene of the fire, toxic substances such as benzene, lead, uranium and asbestos can be inhaled or absorbed through the skin.

在火灾现场，象苯、铅、铀和石棉等有毒物质会通过呼吸或皮肤被吸收。

At the scene of the fire, toxic substances such as benzene, lead, uranium and asbestos can be inhaled or absorbed through the skin.

在火灾现场，象苯、铅、铀和石棉等有毒物资会通过呼吸或皮肤被吸取。

Australia is the major producer of coal,alumina, bauxite, diamonds, titanium minerals and zircon and ranks second in the world in iron ore, mined lead and uranium.

澳大利亚主要煤碳，氧化铝，铝矾土，钻石，钛矿物质和锆石的生产者和位居第二在世界上在铁矿石内，开采引起和铀。

Apart from the diamonds and oil for which Angola is famous, Angola also has many other mineral deposits such as gold, copper, lead and uranium.

除了钻石和石油以外，安哥拉还盛产其它多种矿物，如黄金、铜、铅以及铀。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。