plasma sheath

简明释义

等离子壳层

英英释义

例句

1.During the experiment, the formation of a plasma sheath (等离子体鞘) was observed around the electrode.

在实验过程中，观察到电极周围形成了plasma sheath (等离子体鞘)。

2.The plasma sheath (等离子体鞘) can influence the thermal protection of re-entering vehicles.

在重新进入的航天器中，plasma sheath (等离子体鞘)会影响其热保护。

3.The stability of the plasma sheath (等离子体鞘) is crucial for fusion reactions.

对于聚变反应来说，plasma sheath (等离子体鞘)的稳定性至关重要。

4.The spacecraft entered the atmosphere, creating a strong plasma sheath (等离子体鞘) around it.

宇宙飞船进入大气层，周围形成了强烈的plasma sheath (等离子体鞘)。

5.Researchers studied the effects of the plasma sheath (等离子体鞘) on satellite communications.

研究人员研究了plasma sheath (等离子体鞘)对卫星通信的影响。

作文

In the realm of physics and space science, the term plasma sheath refers to a layer of ionized gas that surrounds a spacecraft or an object traveling through a plasma-rich environment, such as the upper atmosphere of Earth or other celestial bodies. This phenomenon is particularly significant in the study of space weather and the interactions between solar wind and planetary atmospheres. The plasma sheath plays a crucial role in protecting spacecraft from harmful solar radiation and charged particles, acting as a barrier that can absorb and deflect these high-energy components.Understanding the plasma sheath is essential for the design of spacecraft and satellites. As these objects travel at high speeds through the ionosphere or beyond, they encounter various forms of plasma generated by solar activity. The plasma sheath forms as a result of the interaction between the spacecraft and the surrounding plasma, where electrons and ions accumulate around the object, creating an electric field. This electric field can influence the behavior of charged particles and can lead to phenomena such as electromagnetic interference, which can disrupt onboard systems.Moreover, the plasma sheath is also a subject of interest in the field of fusion energy research. In controlled fusion experiments, scientists aim to create a stable plasma sheath to confine the hot plasma necessary for nuclear fusion to occur. By understanding how to manipulate and maintain the plasma sheath, researchers hope to develop more efficient fusion reactors that could provide a nearly limitless source of clean energy.Furthermore, the study of the plasma sheath extends to various applications on Earth. For instance, in the field of telecommunications, understanding the effects of plasma sheath around satellites can help improve signal transmission and reception. Additionally, researchers are exploring the use of plasma sheath technology in medical applications, such as plasma medicine, where ionized gases are used for sterilization and wound healing.In conclusion, the concept of plasma sheath encompasses a wide range of scientific and practical applications. From protecting spacecraft in the harsh environment of space to advancing fusion energy research and improving communication technologies, the plasma sheath is a critical area of study that continues to evolve. As our understanding of plasma physics deepens, the implications of the plasma sheath will undoubtedly expand, leading to new innovations and advancements in technology that could benefit humanity as a whole.

在物理学和空间科学领域，术语plasma sheath指的是一种离子气体层，它环绕着航天器或在富含等离子体的环境中（如地球的高层大气或其他天体）飞行的物体。这一现象在研究空间天气以及太阳风与行星大气之间的相互作用时尤为重要。plasma sheath在保护航天器免受有害太阳辐射和带电粒子的影响方面发挥着至关重要的作用，充当一种屏障，可以吸收和偏转这些高能成分。理解plasma sheath对于航天器和卫星的设计至关重要。当这些物体以高速穿越电离层或更远的地方时，它们会遇到由太阳活动产生的各种形式的等离子体。plasma sheath的形成是航天器与周围等离子体相互作用的结果，电子和离子在物体周围积聚，产生电场。这个电场可以影响带电粒子的行为，并可能导致电磁干扰等现象，从而干扰机载系统。此外，plasma sheath也是核聚变能源研究领域的一个重要课题。在受控聚变实验中，科学家们旨在创建一个稳定的plasma sheath，以限制进行核聚变所需的高温等离子体。通过理解如何操纵和维持plasma sheath，研究人员希望开发出更高效的聚变反应堆，这些反应堆可以提供几乎无限的清洁能源。此外，对plasma sheath的研究还扩展到地球上的各种应用。例如，在电信领域，了解plasma sheath对卫星的影响可以帮助改善信号传输和接收。此外，研究人员正在探索在医学应用中使用plasma sheath技术，例如等离子体医学，其中使用离子气体进行消毒和伤口愈合。总之，plasma sheath的概念涵盖了广泛的科学和实际应用。从在太空恶劣环境中保护航天器到推进聚变能源研究，再到改善通信技术，plasma sheath是一个关键的研究领域，仍在不断发展。随着我们对等离子体物理学理解的加深，plasma sheath的意义无疑将扩大，导致新的创新和技术进步，这些进步可能会惠及整人类。