radiation density

简明释义

辐射密度

英英释义

例句

1.In astrophysics, the radiation density 辐射密度 of cosmic microwave background radiation is a key parameter.

在天体物理学中，宇宙微波背景辐射的辐射密度 辐射密度 是一个关键参数。

2.The radiation density 辐射密度 of the emitted particles was found to be higher than expected.

发现释放粒子的辐射密度 辐射密度 高于预期。

3.Engineers must consider the radiation density 辐射密度 when designing radiation shielding.

工程师在设计辐射屏蔽时必须考虑辐射密度 辐射密度。

4.Scientists measured the radiation density 辐射密度 in the area affected by the nuclear accident.

科学家测量了核事故影响区域的辐射密度 辐射密度。

5.The solar panels generate electricity based on the radiation density 辐射密度 of sunlight received.

太阳能电池板根据接收到的阳光的辐射密度 辐射密度 产生电力。

作文

Understanding the concept of radiation density is crucial in various fields, including physics, engineering, and environmental science. Radiation density refers to the amount of energy radiated per unit area, often expressed in watts per square meter (W/m²). This measurement is vital for determining how much energy is received from sources like the sun or artificial lights, which directly impacts processes such as photosynthesis in plants and the thermal dynamics of buildings.In the realm of physics, radiation density plays a significant role in understanding electromagnetic radiation. For instance, when studying the sun's rays, scientists measure the radiation density to assess how much solar energy reaches the Earth's surface. This information is essential for designing solar panels and optimizing their placement to maximize energy capture. The higher the radiation density, the more energy can be harnessed, leading to greater efficiency in renewable energy systems.Moreover, in engineering, particularly in the field of thermal management, radiation density is a critical factor when designing heating and cooling systems. Engineers must calculate the radiation density emitted by various materials to ensure that buildings maintain comfortable temperatures without excessive energy consumption. For example, materials with high radiation density can absorb and emit heat more effectively, making them ideal for use in passive solar design.Environmental science also relies heavily on the concept of radiation density. Understanding how different surfaces absorb and reflect radiation helps scientists predict climate patterns and the effects of global warming. For instance, darker surfaces tend to have a higher radiation density because they absorb more heat, contributing to the urban heat island effect. By studying these patterns, researchers can develop strategies to mitigate climate change and promote sustainable urban development.In addition to its applications, it is essential to recognize the implications of radiation density in health and safety. For example, exposure to high levels of radiation can be detrimental to human health. Therefore, measuring radiation density in environments such as hospitals, nuclear power plants, and research facilities is crucial for ensuring safety standards are met. Regulatory bodies often set limits on acceptable radiation density levels to protect workers and the public from harmful exposure.In conclusion, radiation density is a multifaceted concept that spans various disciplines. Its significance in energy production, building design, climate science, and health safety underscores the importance of understanding this measurement. As technology advances and the world faces challenges related to energy consumption and environmental sustainability, a deeper comprehension of radiation density will be essential for developing innovative solutions that benefit society as a whole.

理解辐射密度的概念在物理学、工程学和环境科学等多个领域至关重要。辐射密度指的是单位面积上辐射的能量量，通常以每平方米瓦特（W/m²）表示。这一测量对于确定来自太阳或人工光源的能量接收量至关重要，这直接影响到植物的光合作用以及建筑的热动态。在物理学领域，辐射密度在理解电磁辐射时发挥着重要作用。例如，在研究太阳辐射时，科学家测量辐射密度以评估有多少太阳能量到达地球表面。这些信息对于设计太阳能电池板和优化其放置以最大化能量捕获至关重要。辐射密度越高，能够收集的能量就越多，从而提高可再生能源系统的效率。此外，在工程学中，特别是在热管理领域，辐射密度是设计供暖和制冷系统时的关键因素。工程师必须计算各种材料发出的辐射密度，以确保建筑在不消耗过多能源的情况下维持舒适的温度。例如，具有高辐射密度的材料能够更有效地吸收和发出热量，使其成为被动太阳能设计的理想选择。环境科学也在很大程度上依赖于辐射密度的概念。了解不同表面如何吸收和反射辐射有助于科学家预测气候模式和全球变暖的影响。例如，较暗的表面往往具有较高的辐射密度，因为它们吸收更多的热量，从而导致城市热岛效应。通过研究这些模式，研究人员可以制定减缓气候变化和促进可持续城市发展的策略。除了其应用外，认识到辐射密度在健康和安全方面的影响也至关重要。例如，暴露于高水平的辐射可能对人类健康造成危害。因此，在医院、核电站和研究设施等环境中测量辐射密度对于确保安全标准的合规性至关重要。监管机构通常设定可接受的辐射密度水平限制，以保护工人和公众免受有害暴露。总之，辐射密度是一个跨越多个学科的多面概念。它在能源生产、建筑设计、气候科学和健康安全方面的重要性突显了理解这一测量的重要性。随着技术的发展以及世界面临与能源消耗和环境可持续性相关的挑战，更深入地理解辐射密度将对开发造福全社会的创新解决方案至关重要。