wien's displacement law

简明释义

维痘移定律

英英释义

例句

1.According to wien's displacement law, the peak wavelength of radiation emitted by a black body is inversely proportional to its temperature.

根据wien's displacement law（维恩位移定律），黑体辐射的峰值波长与其温度成反比。

2.A practical application of wien's displacement law is in climate science, where it aids in understanding Earth's radiation balance.

wien's displacement law（维恩位移定律）的一个实际应用是在气候科学中，它有助于理解地球的辐射平衡。

3.The formula derived from wien's displacement law can be used to calculate the emission spectrum of heated objects.

从wien's displacement law（维恩位移定律）推导出的公式可以用来计算加热物体的发射光谱。

4.Engineers use wien's displacement law when designing thermal cameras to ensure accurate temperature readings.

工程师在设计热成像仪时会使用wien's displacement law（维恩位移定律）以确保温度读数的准确性。

5.In astrophysics, wien's displacement law helps scientists determine the temperature of stars based on their color.

在天体物理学中，wien's displacement law（维恩位移定律）帮助科学家根据星星的颜色来确定其温度。

作文

In the realm of physics, particularly in thermodynamics and quantum mechanics, understanding the behavior of black body radiation is crucial. One of the fundamental principles that describe this phenomenon is wien's displacement law. This law states that the wavelength at which the emission of a black body spectrum is maximized is inversely proportional to the absolute temperature of the body. In simpler terms, as the temperature of an object increases, the peak wavelength of the emitted radiation shifts to shorter wavelengths. This principle not only helps in understanding thermal radiation but also has practical applications in various fields such as astronomy and climate science.To illustrate this concept, consider a black body, which is an idealized physical object that absorbs all incoming radiation. When heated, it emits radiation across a spectrum of wavelengths. According to wien's displacement law (维恩位移定律), if we take a black body at a temperature of 5000 Kelvin, the peak emission occurs in the visible range, specifically around 580 nanometers, which corresponds to yellow light. Conversely, if we increase the temperature to 10000 Kelvin, the peak shifts to about 290 nanometers, which falls in the ultraviolet range. This shift is significant because it implies that hotter objects emit more energy at shorter wavelengths, which is why the sun appears white or bluish rather than red.The implications of wien's displacement law are vast. For instance, in astronomy, scientists use this law to determine the temperatures of distant stars by analyzing the light they emit. By measuring the peak wavelength of the star's radiation, astronomers can apply wien's displacement law (维恩位移定律) to calculate its temperature. This is essential for understanding the lifecycle of stars and their characteristics.Moreover, wien's displacement law has significant implications in climate science. As global temperatures rise due to climate change, the peak wavelengths of radiation emitted by the Earth shift. Understanding this shift helps scientists predict how much energy is absorbed and emitted by the Earth, which is critical for modeling climate patterns and making future projections.In conclusion, wien's displacement law (维恩位移定律) serves as a cornerstone in the study of thermal radiation. Its ability to relate temperature to the wavelength of emitted radiation allows us to gain insights into various scientific fields, from astrophysics to environmental science. As we continue to explore and understand the universe around us, laws like wien's displacement law will remain fundamental to our comprehension of the physical world.

在物理学领域，特别是热力学和量子力学中，理解黑体辐射的行为至关重要。描述这一现象的基本原理之一是wien's displacement law（维恩位移定律）。该定律指出，黑体光谱的发射峰波长与物体的绝对温度成反比。简单来说，随着物体温度的升高，发射辐射的峰波长向短波长移动。这个原理不仅有助于理解热辐射，还有在天文学和气候科学等多个领域的实际应用。为了说明这一概念，考虑一个黑体，它是一个理想化的物理对象，能够吸收所有进入的辐射。当被加热时，它会在不同波长的范围内发射辐射。根据wien's displacement law（维恩位移定律），如果我们取一个温度为5000开尔文的黑体，峰值发射发生在可见光范围，具体约580纳米，对应于黄色光。相反，如果我们将温度提高到10000开尔文，峰值将转移到约290纳米，这落在紫外线范围内。这种转移非常重要，因为它意味着更热的物体在短波长处发射更多的能量，这就是为什么太阳看起来是白色或蓝色而不是红色。wien's displacement law（维恩位移定律）的影响是广泛的。例如，在天文学中，科学家利用该定律通过分析恒星发出的光来确定遥远恒星的温度。通过测量恒星辐射的峰波长，天文学家可以应用wien's displacement law（维恩位移定律）来计算其温度。这对于理解恒星的生命周期及其特征至关重要。此外，wien's displacement law（维恩位移定律）在气候科学中也具有重要意义。由于气候变化导致全球气温上升，地球发出的辐射的峰波长发生了变化。理解这种变化有助于科学家预测地球吸收和发射多少能量，这对气候模式建模和未来预测至关重要。总之，wien's displacement law（维恩位移定律）作为热辐射研究的基石，其将温度与发射辐射波长联系起来的能力使我们能够深入了解各个科学领域，从天体物理学到环境科学。随着我们继续探索和理解周围的宇宙，像wien's displacement law（维恩位移定律）这样的定律将继续成为我们理解物理世界的基础。