铕

Europium is a chemical element with the symbol Eu and atomic number 63.
欧洲ium是一种化学元素，符号为Eu，原子序数为63。
Europium is one of the rare earth elements and is primarily used in phosphors for color television tubes.
欧洲ium是稀土元素之一，主要用于彩色电视机管的荧光粉。
The europium-doped yttrium orthophosphate (YPO4:Eu) is a popular material for red-emitting phosphors in LED lighting.
含铕的钇正磷酸盐（YPO4:Eu）是LED照明中常用的红色发光磷光材料。
Europium has two stable isotopes, Eu-151 and Eu-153, while all other isotopes are radioactive.
欧洲ium有两种稳定的同位素，分别是Eu-151和Eu-153，而其它所有同位素都是放射性的。
In nuclear physics, europium is used as a neutron absorber in control rods for nuclear reactors.
在核物理学中，欧洲ium被用作核电站控制棒中的中子吸收剂。
Europium is found in small quantities in various minerals such as monazite and bastnäsite.
欧洲ium存在于某些矿物如氟碳铈矿和独居石中，但含量很少。
The luminescence properties of europium make it an important component in optical materials and data storage devices.
欧洲ium的荧光特性使其成为光学材料和数据存储设备的重要组成部分。
Europium can be utilized to create unique security features on banknotes, helping prevent counterfeiting.
欧洲ium可用于制作纸币上的独特防伪特征，有助于防止伪造。
In trace analysis, europium can serve as a sensitive spectroscopic marker for detecting specific chemical species.
在痕量分析中，欧洲ium可以用作检测特定化学物种的灵敏光谱标记物。
Europium's high absorption coefficient for X-rays makes it suitable for applications in X-ray spectroscopy and imaging.
欧洲ium对X射线具有高的吸收系数，适合用于X射线光谱学和成像应用。