characteristic x rays
简明释义
特性辐射
英英释义
例句
1.The characteristic x rays 特征X射线 emitted by different elements can be used for precise material analysis.
不同元素发出的characteristic x rays 特征X射线可用于精确的材料分析。
2.When an atom is excited, it can emit characteristic x rays 特征X射线 that are unique to its structure.
当一个原子被激发时,它可以发出独特于其结构的characteristic x rays 特征X射线。
3.The detection of characteristic x rays 特征X射线 allows scientists to determine the presence of specific elements in a sample.
检测到characteristic x rays 特征X射线使科学家能够确定样品中特定元素的存在。
4.In X-ray fluorescence spectroscopy, the emission of characteristic x rays 特征X射线 helps identify the elemental composition of materials.
在X射线荧光光谱法中,characteristic x rays 特征X射线的发射有助于确定材料的元素组成。
5.In medical imaging, characteristic x rays 特征X射线 are used to enhance the contrast of images.
在医学成像中,characteristic x rays 特征X射线用于增强图像的对比度。
作文
The study of atomic structure has led to many fascinating discoveries in the field of physics and chemistry. One important aspect of this study is the emission of characteristic x rays (特征X射线), which play a crucial role in identifying elements and understanding their properties. When an atom is bombarded with high-energy electrons, it can eject inner-shell electrons, resulting in vacancies. These vacancies are filled by electrons from higher energy levels, and as they transition to lower energy states, they release energy in the form of characteristic x rays (特征X射线).The energy of these emitted x rays is unique to each element, making them 'characteristic' of that element. This property allows scientists to use characteristic x rays (特征X射线) for various applications, including material analysis and medical imaging. For example, in X-ray fluorescence spectroscopy, the emitted characteristic x rays (特征X射线) from a sample can be measured to determine its elemental composition. This technique is widely used in fields such as geology, archaeology, and environmental science.In medical imaging, characteristic x rays (特征X射线) are utilized in X-ray machines to create images of the human body. The process involves directing a controlled amount of x rays through the body, where they are absorbed by different tissues at varying rates. Bones, for instance, absorb more x rays than soft tissues, resulting in images that highlight skeletal structures. This application underscores the significance of characteristic x rays (特征X射线) in diagnosing medical conditions and guiding treatment plans.Moreover, characteristic x rays (特征X射线) have implications in the field of security. They are used in baggage scanning systems at airports to detect concealed items. The distinct energy levels of the characteristic x rays (特征X射线) emitted by different materials enable security personnel to identify potentially dangerous substances without opening bags.Despite their usefulness, the generation and application of characteristic x rays (特征X射线) come with safety considerations. Prolonged exposure to x rays can lead to tissue damage and increase the risk of cancer. Therefore, it is essential to adhere to safety protocols when working with x-ray equipment, ensuring that both operators and patients are protected from unnecessary exposure.In conclusion, characteristic x rays (特征X射线) are a vital component of modern science and technology, offering insights into the atomic structure of materials and enabling a wide range of applications in medicine, security, and research. Their unique properties not only facilitate the identification of elements but also enhance our understanding of the world around us. As we continue to explore the potential of characteristic x rays (特征X射线), it is crucial to balance their benefits with safety measures to ensure responsible usage in various fields.