radiation equilibrium

简明释义

放射性平衡

英英释义

例句

1.When studying climate change, scientists look at the radiation equilibrium of Earth to assess energy balance.

在研究气候变化时，科学家们关注地球的辐射平衡以评估能量平衡。

2.In a perfectly insulated room, the temperature will eventually reach a state of radiation equilibrium, where heat absorbed equals heat emitted.

在一个完全隔热的房间里，温度最终会达到一种辐射平衡状态，即吸收的热量等于释放的热量。

3.The concept of radiation equilibrium is crucial in astrophysics to understand how stars maintain their temperature.

辐射平衡的概念在天体物理学中至关重要，以理解恒星如何维持其温度。

4.To achieve radiation equilibrium, the surface of an object must emit as much thermal radiation as it absorbs.

要达到辐射平衡，物体的表面必须发出与其吸收的热辐射相等的热量。

5.In a greenhouse, plants thrive under conditions of radiation equilibrium, where light energy is converted efficiently.

在温室中，植物在辐射平衡的条件下茁壮成长，在这种情况下，光能被高效转换。

作文

Radiation is a fundamental aspect of our universe, influencing various natural processes and phenomena. One critical concept within the study of radiation is radiation equilibrium, which refers to a state where the amount of energy absorbed by an object from radiation sources equals the amount of energy it emits back into the environment. This balance is crucial in understanding thermal dynamics, astrophysics, and climate science.In astrophysics, radiation equilibrium plays a significant role in the life cycle of stars. When a star forms, it begins to generate energy through nuclear fusion in its core. This energy radiates outward, and as long as the energy produced equals the energy radiated away, the star remains stable. If the balance is disrupted, the star can either expand or contract, leading to various evolutionary paths. For example, when a star exhausts its nuclear fuel, it can no longer maintain radiation equilibrium, resulting in dramatic changes such as supernova explosions or the formation of black holes.On Earth, radiation equilibrium is vital for maintaining a stable climate. The planet receives energy from the sun, which is absorbed by the atmosphere, oceans, and land. This energy is then re-emitted as infrared radiation. If the energy received from the sun exceeds the energy emitted back into space, the Earth would warm up, leading to climate change. Conversely, if more energy is emitted than received, the planet would cool down. Thus, achieving a state of radiation equilibrium is essential for sustaining life and regulating temperatures across the globe.Understanding radiation equilibrium also has practical applications in technology, particularly in the design of thermal systems. Engineers must consider this equilibrium when creating buildings, vehicles, and electronic devices to ensure they operate efficiently. For instance, in building design, architects often incorporate materials that enhance radiation equilibrium to maintain comfortable indoor temperatures without excessive energy consumption.Moreover, in the field of medicine, radiation equilibrium is a crucial consideration in radiation therapy for cancer treatment. Medical professionals must carefully calculate the dosage of radiation administered to ensure it targets cancer cells effectively while minimizing damage to surrounding healthy tissues. Achieving the right balance is essential for successful treatment outcomes.In conclusion, radiation equilibrium is a vital concept that permeates various fields of science and technology. It helps explain the behavior of stars, regulates Earth's climate, informs engineering practices, and enhances medical treatments. By understanding and applying the principles of radiation equilibrium, we can better comprehend the intricate balance of energy in our universe and utilize this knowledge to improve our technological advancements and environmental stewardship.

辐射是我们宇宙中的一个基本方面，影响着各种自然过程和现象。研究辐射的一个关键概念是辐射平衡，它指的是一个物体从辐射源吸收的能量与其向环境发射的能量相等的状态。这种平衡在理解热力学、天体物理学和气候科学中至关重要。在天体物理学中，辐射平衡在恒星的生命周期中发挥着重要作用。当一颗恒星形成时，它开始通过核心的核聚变产生能量。这种能量向外辐射，只要产生的能量等于辐射出去的能量，恒星就会保持稳定。如果这种平衡被破坏，恒星可能会扩张或收缩，从而导致各种演化路径。例如，当一颗恒星耗尽核燃料时，它将无法维持辐射平衡，导致剧烈变化，如超新星爆炸或黑洞的形成。在地球上，辐射平衡对于维持稳定的气候至关重要。地球从太阳接收能量，这些能量被大气、海洋和陆地吸收。然后，这些能量以红外辐射的形式重新发射。如果从太阳接收到的能量超过了辐射回太空的能量，地球会变暖，导致气候变化。反之，如果发射的能量超过接收到的能量，地球就会降温。因此，达到辐射平衡的状态对于维持生命和调节全球温度至关重要。理解辐射平衡在技术上的应用也很重要，特别是在热系统的设计中。工程师在创建建筑、车辆和电子设备时，必须考虑这一平衡，以确保它们高效运行。例如，在建筑设计中，建筑师通常会采用增强辐射平衡的材料，以在不消耗过多能源的情况下维持舒适的室内温度。此外，在医学领域，辐射平衡是癌症治疗放射治疗中的一个关键考虑因素。医疗专业人员必须仔细计算所施加的辐射剂量，以确保它有效针对癌细胞，同时最小化对周围健康组织的损害。实现正确的平衡对于成功的治疗结果至关重要。总之，辐射平衡是一个渗透于科学和技术各个领域的重要概念。它帮助解释恒星的行为，调节地球的气候，为工程实践提供信息，并增强医学治疗。通过理解和应用辐射平衡的原理，我们可以更好地理解宇宙中能量的微妙平衡，并利用这一知识改善我们的技术进步和环境管理。