excited ion

简明释义

受激离子

英英释义

例句

1.An excited ion can lose energy and return to a ground state by emitting a photon.

一个激发离子可以通过发射光子来失去能量并返回基态。

2.In astrophysics, the presence of excited ions in a star's atmosphere can indicate its temperature.

在天体物理学中，星体大气中存在的激发离子可以指示其温度。

3.The laser beam can create an excited ion in the gas, leading to a bright emission of light.

激光束可以在气体中产生一个激发离子，导致明亮的光发射。

4.In mass spectrometry, the detection of an excited ion helps identify the molecular structure of compounds.

在质谱分析中，检测到一个激发离子有助于识别化合物的分子结构。

5.The study of excited ions is crucial for understanding plasma physics.

研究激发离子对于理解等离子体物理至关重要。

作文

In the realm of chemistry and physics, the concept of an excited ion plays a crucial role in understanding various phenomena. An excited ion refers to an ion that has absorbed energy, causing its electrons to move to higher energy levels. This process can occur through various means such as thermal energy, electromagnetic radiation, or collisions with other particles. The significance of excited ions is paramount in fields like spectroscopy, where they can emit light as they return to their ground state, allowing scientists to analyze the composition of materials.When an atom or molecule loses an electron, it becomes positively charged, forming an ion. If this ion subsequently gains energy, it can become an excited ion. This state is temporary; the ion will eventually release the absorbed energy, often in the form of light. This phenomenon is the basis for many analytical techniques used in laboratories today. For instance, in atomic emission spectroscopy, excited ions are produced by heating a sample, and as these ions return to their stable states, they emit light at characteristic wavelengths. By measuring this emitted light, scientists can deduce the elemental composition of the sample.Moreover, excited ions are not just limited to laboratory settings. They also play a significant role in natural processes. For example, in astrophysics, the study of excited ions helps astronomers understand the chemical composition of stars and galaxies. When light from a distant star passes through its atmosphere, the presence of excited ions can alter the light's spectrum, revealing vital information about the star's temperature, density, and even the elements present in it.Additionally, excited ions are essential in the field of plasma physics. Plasmas consist of ionized gases containing free electrons and excited ions. Understanding the behavior of excited ions in plasmas is critical for advancements in fusion energy research. Fusion, the process that powers the sun, relies on the interactions between excited ions to achieve the conditions necessary for sustained reactions.Furthermore, the medical field also benefits from the study of excited ions. Techniques like laser-induced fluorescence involve creating excited ions to identify and treat diseases at the cellular level. By targeting specific ions within cells, researchers can develop therapies that minimize damage to healthy tissues while effectively attacking cancerous cells.In conclusion, the study of excited ions is a fascinating area that bridges multiple scientific disciplines. From providing insights into the universe's structure to enhancing medical treatments, excited ions are integral to our understanding of both the microscopic and macroscopic worlds. As technology advances, the exploration of excited ions will undoubtedly continue to unveil new possibilities and deepen our comprehension of the natural world around us.

在化学和物理学领域，激发离子的概念在理解各种现象中起着至关重要的作用。激发离子是指吸收能量后，其电子移动到更高能级的离子。这个过程可以通过热能、电磁辐射或与其他粒子的碰撞等多种方式发生。激发离子的重要性在光谱学等领域尤为显著，因为它们在返回基态时可以发出光，从而使科学家能够分析材料的成分。当原子或分子失去一个电子时，它会变得带正电，形成离子。如果这个离子随后获得能量，它就可以成为激发离子。这种状态是暂时的；离子最终会释放吸收的能量，通常以光的形式释放。这种现象是今天许多分析技术的基础。例如，在原子发射光谱法中，通过加热样品产生激发离子，当这些离子返回其稳定状态时，它们以特征波长发出光。通过测量这些发出的光，科学家可以推断样品的元素组成。此外，激发离子不仅限于实验室环境。它们在自然过程中也发挥着重要作用。例如，在天体物理学中，研究激发离子帮助天文学家了解恒星和星系的化学组成。当来自遥远恒星的光线穿过其大气层时，激发离子的存在会改变光的光谱，从而揭示关于恒星的温度、密度甚至存在的元素的重要信息。此外，激发离子在等离子体物理学领域也至关重要。等离子体由带电气体组成，其中包含自由电子和激发离子。理解等离子体中激发离子的行为对于推动聚变能源研究的进展至关重要。聚变是驱动太阳的过程，依赖于激发离子之间的相互作用，以实现持续反应所需的条件。此外，医学领域也受益于对激发离子的研究。激光诱导荧光等技术涉及创建激发离子以识别和治疗细胞水平的疾病。通过靶向细胞内的特定离子，研究人员可以开发出最小化对健康组织损伤的疗法，同时有效攻击癌细胞。总之，对激发离子的研究是一个引人入胜的领域，它连接了多个科学学科。从提供对宇宙结构的洞察到增强医学治疗，激发离子在理解微观和宏观世界方面都是不可或缺的。随着技术的发展，探索激发离子无疑将继续揭示新的可能性，并加深我们对周围自然世界的理解。