osmium是什么意思 osmium的读音、翻译、用法

osmium是英语词汇，翻译为钌。钌是一种稀有的、银白色的贵金属元素，化学符号为Os，原子序数为76。

例句：

1. Osmium is a very dense and hard metal. (钌是一种非常密集和坚硬的金属。)

2. The tips of fountain pens are often made of osmium. (钢笔尖通常是由钌制成的。)

3. Osmium alloys are used in the production of electrical contacts. (钌合金在电接触件的生产中得到应用。)

4. The melting point of osmium is over 3000 degrees Celsius. (钌的熔点超过3000摄氏度。)

5. Osmium has the highest density of all the elements. (钌是所有元素中密度最大的元素。)

6. Osmium is often used as a catalyst in chemical reactions. (钌经常被用作化学反应的催化剂。)

7. Osmium can be found in small amounts in some nickel and copper ores. (钌可以在一些镍和铜矿石中以少量出现。)

8. Osmium tetroxide is a highly toxic compound. (钌四氧化物是一种高度毒性的化合物。)

9. Osmium is sometimes alloyed with other metals to make very hard and durable materials. (钌有时与其他金属合金化，制成非常坚硬和耐用的材料。)