n.72号元素铪（hafnium）的符号

Hafnium is a chemical element with the symbol Hf and atomic number 72.
铪是一种化学元素，其符号为Hf，原子序数为72。
Hafnium is used in the production of zirconia ceramics due to its high refractory properties.
铪因其高耐火性而被用于锆酸盐陶瓷的生产。
The use of hafnium in nuclear reactors is significant because of its ability to absorb neutrons.
铪在核反应堆中的应用非常重要，因为它具有吸收中子的能力。
Hafnium carbide (HfC) has one of the highest melting points of any known compound, making it useful for high-temperature applications.
铪碳化物（HfC）是已知化合物中熔点最高的物质之一，因此在高温应用领域中有重要用途。
Hafnium-based thin films are commonly employed in microelectronics as gate dielectrics.
基于铪的薄膜常被用作微电子学中的栅极绝缘体。
Hafnium dioxide (HfO2) is an important material in advanced optical coatings and memory devices.
铪氧化物（HfO2）是高级光学涂层和存储器件中重要的材料。
The discovery of hafnium by Dirk Coster and George de Hevesy in 1923 filled a gap in the periodic table.
铪元素由迪克·科斯特和乔治·德·海维西于1923年发现，填补了周期表上的一个空缺。
Hafnium is also used in certain types of radiation detectors due to its sensitivity to gamma rays.
铪也因对伽马射线敏感而应用于某些类型的辐射探测器中。
Hafnium-based alloys can provide improved mechanical strength and corrosion resistance in aerospace applications.
基于铪的合金可提供航空领域所需的更高机械强度和抗腐蚀性能。
Hafnium's strategic importance led to its inclusion on the list of critical minerals by several countries.
铪的战略重要性使得一些国家将其列入关键矿产名录。