fusion reaction
简明释义
热核反应
英英释义
例句
1.The potential for clean energy from fusion reactions (核聚变反应) has led to international collaborations on research projects.
来自核聚变反应(fusion reactions)的清洁能源潜力促使国际间合作进行研究项目。
2.Scientists are researching how to replicate the fusion reaction (核聚变反应) that powers stars here on Earth.
科学家们正在研究如何在地球上复制驱动恒星的核聚变反应(fusion reaction)。
3.In a fusion reaction (核聚变反应), two light atomic nuclei combine to form a heavier nucleus, releasing energy.
在核聚变反应(fusion reaction)中,两个轻原子核结合形成一个更重的原子核,并释放能量。
4.The sun generates energy through a continuous process of fusion reaction (核聚变反应) in its core.
太阳在其核心通过持续的核聚变反应(fusion reaction)产生能量。
5.Understanding the conditions necessary for a stable fusion reaction (核聚变反应) is a major challenge for physicists.
理解稳定的核聚变反应(fusion reaction)所需的条件是物理学家的主要挑战。
作文
The universe is a vast and complex system, filled with energy and matter. One of the most fascinating processes that occur within it is the fusion reaction, which is the process where two light atomic nuclei combine to form a heavier nucleus, releasing an immense amount of energy in the process. This phenomenon is not only crucial for the stars that illuminate our night sky but also has significant implications for the future of energy on Earth. In this essay, we will explore the fundamentals of fusion reaction and its potential applications in sustainable energy production.To understand the fusion reaction, we first need to look at the conditions under which it occurs. Typically, fusion reactions require extremely high temperatures and pressures, such as those found in the core of stars. For instance, in the sun, hydrogen nuclei fuse to create helium, a process that generates the energy that powers our solar system. The temperature in the sun's core reaches about 15 million degrees Celsius, providing the necessary environment for these reactions to take place.One of the most studied fusion reactions involves isotopes of hydrogen known as deuterium and tritium. When these two isotopes collide at high speeds, they can overcome their electrostatic repulsion and fuse together, resulting in the formation of helium and releasing neutrons and a substantial amount of energy. This reaction can be represented as:D + T → He + n + EnergyThis equation illustrates how the mass of the reactants is slightly greater than the mass of the products, with the leftover mass being converted into energy according to Einstein's famous equation, E=mc².The potential benefits of harnessing fusion reaction for energy production are enormous. Unlike fossil fuels, which release carbon dioxide and other greenhouse gases, fusion produces no harmful emissions. Additionally, the fuel for fusion reactions—deuterium and tritium—can be extracted from water and lithium, making it abundant and sustainable. Moreover, the energy output from a fusion reaction is millions of times greater than that of chemical reactions, such as burning coal or natural gas.Despite its advantages, achieving controlled fusion reaction on Earth poses significant challenges. Scientists have been working for decades to create a stable and sustained fusion reaction that can produce more energy than it consumes. Projects like ITER (International Thermonuclear Experimental Reactor) in France aim to demonstrate the feasibility of fusion as a practical energy source. The goal is to create conditions similar to those in the sun, using powerful magnetic fields to contain the hot plasma where fusion occurs.In conclusion, the fusion reaction is a fundamental process that powers the stars and holds the key to a sustainable energy future for humanity. While there are still many technical hurdles to overcome, the ongoing research and development in this field offer hope for a cleaner, safer, and virtually limitless energy source. As we continue to face the challenges of climate change and dwindling fossil fuel resources, the pursuit of controlled fusion could represent a turning point in our quest for sustainable energy solutions. Embracing the science behind fusion reaction could lead us toward a brighter, more sustainable future for generations to come.
宇宙是一个广阔而复杂的系统,充满了能量和物质。其中一个最迷人的过程是聚变反应,这是两个轻原子核结合形成一个较重的原子核的过程,同时释放出巨大的能量。这个现象不仅对照亮我们夜空的星星至关重要,而且对地球未来的能源也有重大影响。在这篇文章中,我们将探讨聚变反应的基本原理及其在可持续能源生产中的潜在应用。要理解聚变反应,我们首先需要了解它发生的条件。通常,聚变反应需要极高的温度和压力,例如在恒星核心中。例如,在太阳内部,氢核融合形成氦,这是产生能量的过程,驱动着我们的太阳系。太阳核心的温度达到约1500万摄氏度,为这些反应提供了必要的环境。最常研究的聚变反应之一涉及氢的同位素,称为氘和氚。当这两种同位素以高速碰撞时,它们可以克服电静力排斥并融合在一起,形成氦,并释放出中子和大量能量。这个反应可以表示为:D + T → He + n + 能量这个方程式说明了反应物的质量略大于生成物的质量,剩余的质量被转化为能量,根据爱因斯坦著名的方程E=mc²。利用聚变反应进行能源生产的潜在好处是巨大的。与释放二氧化碳和其他温室气体的化石燃料不同,聚变不产生有害排放。此外,聚变反应的燃料——氘和氚——可以从水和锂中提取,使其丰富且可持续。此外,聚变反应的能量输出是化学反应(如燃烧煤或天然气)的数百万倍。尽管有其优势,但在地球上实现受控的聚变反应面临重大挑战。科学家们已经努力了几十年,以创造一种稳定且持续的聚变反应,能够产生比消耗更多的能量。像法国的国际热核聚变实验堆(ITER)这样的项目旨在证明聚变作为实际能源来源的可行性。目标是创造类似于太阳的条件,使用强大的磁场来限制聚变发生的高温等离子体。总之,聚变反应是一个基本过程,驱动着恒星,并为人类的可持续能源未来提供了关键。尽管仍有许多技术障碍需要克服,但这一领域的持续研究和开发为我们提供了希望,期待一个更清洁、更安全、几乎无限的能源来源。在我们继续面临气候变化和化石燃料资源枯竭的挑战时,控制聚变的追求可能代表了我们寻求可持续能源解决方案的转折点。拥抱聚变反应背后的科学,可能会引领我们走向一个更加光明、可持续的未来,造福后代。
相关单词