activated atom

简明释义

活化原子

英英释义

例句

1.When an activated atom 激活原子 collides with another particle, it may undergo a transformation.

当一个激活原子 activated atom 与另一个粒子碰撞时，它可能会发生转变。

2.In medical imaging, activated atoms 激活原子 are used to enhance the contrast of images.

在医学成像中，激活原子 activated atoms 被用来增强图像的对比度。

3.Scientists are studying how an activated atom 激活原子 behaves under extreme conditions.

科学家们正在研究在极端条件下，激活原子 activated atom 的行为。

4.In the process of nuclear reactions, an activated atom 激活原子 can release a significant amount of energy.

在核反应过程中，激活原子 activated atom 可以释放出大量能量。

5.The stability of an activated atom 激活原子 can be influenced by its surrounding environment.

一个激活原子 activated atom 的稳定性可以受到周围环境的影响。

作文

In the realm of chemistry and physics, the concept of an activated atom plays a crucial role in understanding various reactions and processes. An activated atom refers to an atom that has absorbed energy, enabling it to participate in chemical reactions more readily than its unexcited state. This activation can occur through various means, such as heat, light, or electrical energy, which excite the electrons within the atom, allowing them to move to higher energy levels. The significance of the activated atom is paramount in fields like catalysis, where reactions are sped up by lowering the energy barrier needed for the reaction to occur.To illustrate the importance of activated atoms, consider the process of photosynthesis in plants. During this process, chlorophyll absorbs sunlight, which energizes certain electrons, creating activated atoms that facilitate the conversion of carbon dioxide and water into glucose and oxygen. This transformation is vital for life on Earth, as it forms the basis of the food chain and provides oxygen necessary for respiration.Moreover, in the field of nuclear chemistry, activated atoms are crucial during the process of nuclear fission. When an atom, such as uranium-235, absorbs a neutron, it becomes an activated atom. This new state makes the atom unstable, leading to its eventual splitting into smaller atoms, releasing a significant amount of energy in the process. This principle underlies the functioning of nuclear reactors and atomic bombs, showcasing both the potential benefits and dangers of manipulating activated atoms.The study of activated atoms extends beyond just chemical reactions; it also encompasses the development of new materials. For instance, in the semiconductor industry, doping silicon with certain elements creates activated atoms that enhance its electrical properties. These activated atoms improve the conductivity of silicon, making it a crucial component in modern electronics, from smartphones to solar panels.Furthermore, understanding activated atoms is essential in the field of medicine, particularly in radiation therapy for cancer treatment. Radioactive isotopes, which can be seen as activated atoms, are used to target and kill cancerous cells. The controlled use of these activated atoms allows for effective treatment while minimizing damage to surrounding healthy tissue.In conclusion, the concept of the activated atom is fundamental across various scientific disciplines. Whether in nature, technology, or medicine, activated atoms serve as a bridge between energy absorption and chemical reactivity. Their ability to change states and participate in reactions underscores their importance in both theoretical and practical applications. As we continue to explore the intricacies of atomic behavior, our understanding of activated atoms will undoubtedly lead to further advancements in science and technology, enhancing our ability to harness energy, develop new materials, and improve health outcomes.

在化学和物理学的领域中，‘激活原子’的概念在理解各种反应和过程方面起着至关重要的作用。‘激活原子’是指一个吸收了能量的原子，使其能够比未激发状态更容易参与化学反应。这种激活可以通过多种方式发生，例如热、光或电能，这些能量使原子内部的电子激发，从而使它们移动到更高的能级。‘激活原子’的重要性在催化等领域中尤为显著，在这些领域中，通过降低反应所需的能量障碍来加速反应。为了说明‘激活原子’的重要性，我们可以考虑植物中的光合作用过程。在这个过程中，叶绿素吸收阳光，激励某些电子，产生‘激活原子’，从而促进二氧化碳和水转化为葡萄糖和氧气。这一转化对地球上的生命至关重要，因为它构成了食物链的基础，并提供了呼吸所需的氧气。此外，在核化学领域，‘激活原子’在核裂变过程中至关重要。当一个原子（例如铀-235）吸收一个中子时，它变成一个‘激活原子’。这种新状态使得原子不稳定，导致其最终分裂成更小的原子，并在此过程中释放出大量能量。这一原理是核反应堆和原子弹的基础，展示了操控‘激活原子’的潜在好处和危险。对‘激活原子’的研究不仅仅局限于化学反应；它还涵盖了新材料的发展。例如，在半导体行业，用某些元素掺杂硅会产生‘激活原子’，从而增强其电气特性。这些‘激活原子’提高了硅的导电性，使其成为现代电子产品（从智能手机到太阳能电池板）的关键组成部分。此外，理解‘激活原子’在医学领域也是至关重要的，特别是在癌症治疗的放射疗法中。放射性同位素可以被视为‘激活原子’，用于靶向并杀死癌细胞。对这些‘激活原子’的控制使用使得有效治疗成为可能，同时将对周围健康组织的损害降到最低。总之，‘激活原子’的概念在各个科学学科中都是基础性的。无论是在自然、技术还是医学中，‘激活原子’都作为能量吸收与化学反应性之间的桥梁。它们改变状态并参与反应的能力突显了它们在理论和实践应用中的重要性。随着我们继续探索原子行为的复杂性，对‘激活原子’的理解无疑将推动科学和技术的进一步进步，提高我们利用能量、开发新材料和改善健康结果的能力。