铀

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。

Applied to titanium, nickel, aluminum, magnesium, molybdenum, tantalum, niobium, silver, platinum, zirconium, uranium, beryllium, lead alloy material, stainless steel, copper, iron, platinum, gold, K gold, K platinum, silver and other precious metals high-quality welding.

适用于钛、镍、铝、镁、钼、钽、铌、银、铂、锆、铀、铍、铅等合金料，不锈钢、铜、铁、白金、黄金、K黄金、K白金、银等贵金属的高质量焊接。

There are many associated elements, such as vanadium, nickel, molybdenum, uranium, copper, lead, zinc, silver and REE, which can be synthetically utilized.

石煤中伴生有钒、镍、钼、铜、铅、锌、铀、银和稀土元素，在部分地段可富集成矿。

We killed some mice at the day 6th , the others were continue to expose to formaldehyde and observe their estrous cycle. HE staining was used to study the pathological changes happened in ovarian tissue. Uranium acetate and lead acetate double staining was used to study the ultrastructure of oocyte. E2 and LH level in blood serum was measured by radioimrnunoassay reagent kit.

第6d处死一批小鼠，用HE染色观察小鼠卵巢组织的病理改变，用醋酸铀—醋酸铅双重染色电镜下观察小鼠卵母细胞超微结构的损伤；用GSH测定试剂盒测定小鼠卵巢组织中的GSH含量；用E_2和LH放射免疫分析试剂盒分别测定小鼠血清中E_2及LH水平；采用超排卵法，计数超排卵数并收集卵母细胞，于油镜下观察生殖细胞遗传物质的损伤。

Lead uranium age method, Pb-U dating

机器翻译参考：铅铀年龄的方法，铅ü约会

Fission track ; Uranium reference standard glass ; Calibration

裂变径迹；铀标准玻璃；刻度

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。