metamict crystals

简明释义

无定形晶体

英英释义

例句

1.The study of metamict crystals 变质晶体 has revealed important information about their structural changes over time.

对变质晶体的研究揭示了关于它们随时间变化的结构变化的重要信息。

2.The presence of metamict crystals 变质晶体 in certain minerals can indicate a history of radiation exposure.

某些矿物中存在的变质晶体可能表明经历过辐射的历史。

3.Geologists often encounter metamict crystals 变质晶体 while studying uranium deposits.

地质学家在研究铀矿床时经常遇到变质晶体。

4.The transformation of metamict crystals 变质晶体 can lead to significant changes in their optical properties.

变质晶体的转变可能导致其光学性质发生显著变化。

5.Researchers are investigating the properties of metamict crystals 变质晶体 to understand their potential applications in nanotechnology.

研究人员正在调查变质晶体的性质，以了解它们在纳米技术中的潜在应用。

作文

Metamict crystals are a fascinating subject of study within the fields of mineralogy and materials science. These unique structures arise from the radiation damage experienced by certain minerals, particularly those containing uranium or thorium. As these radioactive elements decay, they emit particles that disrupt the crystalline lattice of the mineral, leading to what is known as metamictization. This process results in the transformation of well-ordered crystals into amorphous or semi-amorphous materials, which retain some of their original properties while exhibiting new characteristics.The phenomenon of metamict crystals (变质晶体) can be observed in various minerals, including zircon, monazite, and baddeleyite. The study of these altered structures is crucial for understanding the long-term stability of radioactive waste materials, as well as the geological history of certain regions. For instance, the presence of metamict crystals (变质晶体) in zircon can provide insights into the thermal events that affected a rock formation over millions of years.One of the most interesting aspects of metamict crystals (变质晶体) is their ability to retain trace elements and isotopes that can be used for radiometric dating. Despite the damage caused by radiation, these crystals can still preserve information about their age and the conditions under which they formed. This makes them valuable tools for geologists and archaeologists alike, who seek to reconstruct past environments and events.In addition to their scientific significance, metamict crystals (变质晶体) also pose challenges for the safe management of nuclear materials. As these crystals degrade, they can release radioactive elements into the environment, which can have detrimental effects on ecosystems and human health. Therefore, understanding the properties and behavior of metamict crystals (变质晶体) is essential for developing strategies to mitigate the risks associated with radioactive waste.Research into metamict crystals (变质晶体) has expanded in recent years, driven by advancements in analytical techniques such as electron microscopy and X-ray diffraction. These methods allow scientists to examine the structural changes that occur during metamictization at an atomic level. By gaining a deeper understanding of how radiation affects crystal structures, researchers can develop better materials for use in nuclear applications, as well as improve our knowledge of natural processes in the Earth’s crust.In conclusion, metamict crystals (变质晶体) represent a unique intersection of geology, materials science, and environmental safety. Their study not only enhances our understanding of mineral behavior under radiation but also informs practices related to nuclear waste management. As we continue to explore the complexities of these intriguing structures, we unlock new possibilities for both scientific discovery and practical application.