foreign atom

简明释义

异类原子

英英释义

例句

1.Researchers are investigating how foreign atoms 外来原子 influence crystal growth in metals.

研究人员正在调查外来原子如何影响金属的晶体生长。

2.The study revealed that even a small amount of foreign atoms 外来原子 can lead to unexpected reactions.

研究表明，即使少量的外来原子也会导致意想不到的反应。

3.In semiconductor manufacturing, controlling the number of foreign atoms 外来原子 is crucial for device performance.

在半导体制造中，控制外来原子的数量对器件性能至关重要。

4.The introduction of foreign atoms 外来原子 into the alloy improved its strength.

将外来原子引入合金中提高了其强度。

5.The presence of a foreign atom 外来原子 can significantly alter the properties of the material.

外来原子的存在可以显著改变材料的性质。

作文

In the realm of chemistry and materials science, the term foreign atom refers to an atom that is not native to a particular structure or material. These atoms can significantly influence the properties and behaviors of the host material, leading to various applications and phenomena. For instance, when discussing semiconductors, foreign atoms are often introduced intentionally to modify electrical properties. This process is known as doping, where elements such as phosphorus or boron are added to silicon to create n-type or p-type semiconductors, respectively. The presence of these foreign atoms alters the band structure of the silicon, allowing it to conduct electricity more efficiently under certain conditions.Moreover, foreign atoms can also be a source of defects in crystalline materials. When a foreign atom replaces a host atom in a lattice structure, it can create a vacancy or an interstitial defect, which can affect the mechanical and thermal properties of the material. For example, in metals, the introduction of foreign atoms can lead to changes in strength and ductility, which are critical for engineering applications. Understanding how these foreign atoms interact with the host material is essential for developing new materials with tailored properties.In biological systems, the concept of foreign atoms can also be observed. For instance, heavy metals such as lead or mercury can act as foreign atoms within biological organisms, disrupting normal cellular functions and leading to toxic effects. The study of how these foreign atoms interact with biological molecules is crucial for environmental science and medicine, as it helps in understanding the mechanisms of toxicity and devising strategies for remediation.Additionally, foreign atoms play a vital role in nanotechnology. In the synthesis of nanoparticles, controlling the incorporation of foreign atoms can lead to unique optical, electronic, and catalytic properties. Researchers are exploring how foreign atoms can enhance the performance of catalysts in chemical reactions, thereby improving efficiency and selectivity in industrial processes.In conclusion, the significance of foreign atoms extends across various fields, from materials science to biology. Their ability to alter the intrinsic properties of materials and influence biological systems highlights the importance of understanding their behavior. As research continues to advance, the manipulation of foreign atoms will undoubtedly pave the way for innovative solutions to complex challenges in technology and health. By harnessing the power of foreign atoms, scientists and engineers can develop materials and processes that are not only efficient but also sustainable, ultimately contributing to a better future for all.

在化学和材料科学领域，术语foreign atom指的是不属于特定结构或材料的原子。这些原子可以显著影响宿主材料的性质和行为，从而导致各种应用和现象。例如，在讨论半导体时，foreign atom通常是故意引入以修改电气性质的。当磷或硼等元素被添加到硅中时，这个过程称为掺杂，从而形成n型或p型半导体。foreign atom的存在改变了硅的能带结构，使其在某些条件下更有效地导电。此外，foreign atom也可能成为晶体材料缺陷的来源。当一个foreign atom在晶格结构中替代宿主原子时，它可能会产生空位或间隙缺陷，这会影响材料的机械和热性能。例如，在金属中，引入foreign atom可能导致强度和延展性的变化，这对工程应用至关重要。理解这些foreign atom与宿主材料之间的相互作用对于开发具有特定性能的新材料至关重要。在生物系统中，foreign atom的概念也可以观察到。例如，铅或汞等重金属可以作为生物有机体内的foreign atom，干扰正常的细胞功能并导致毒性效应。研究这些foreign atom与生物分子相互作用的方式对于环境科学和医学至关重要，因为它有助于理解毒性机制并制定修复策略。此外，foreign atom在纳米技术中也发挥着重要作用。在纳米颗粒的合成中，控制foreign atom的掺入可以导致独特的光学、电子和催化性能。研究人员正在探索如何利用foreign atom来增强催化剂在化学反应中的性能，从而提高工业过程的效率和选择性。总之，foreign atom的重要性遍及各个领域，从材料科学到生物学。它们改变材料的内在属性和影响生物系统的能力突显了理解其行为的重要性。随着研究的不断推进，操控foreign atom无疑将为技术和健康领域复杂挑战的创新解决方案铺平道路。通过利用foreign atom的力量，科学家和工程师可以开发出不仅高效而且可持续的材料和工艺，最终为所有人创造更美好的未来。