absorption band

简明释义

吸收带

英英释义

例句

1.The absorption band in the infrared spectrum indicates the presence of specific molecular bonds.

红外光谱中的吸收带表明特定分子键的存在。

2.Different materials have unique absorption bands that can be used for identification.

不同材料具有独特的吸收带，可用于识别。

3.The absorption band of chlorophyll is crucial for photosynthesis in plants.

叶绿素的吸收带对植物的光合作用至关重要。

4.Scientists analyze the absorption band to determine the composition of gases in the atmosphere.

科学家分析吸收带以确定大气中气体的成分。

5.In spectroscopy, the width of the absorption band can provide information about molecular interactions.

在光谱学中，吸收带的宽度可以提供有关分子相互作用的信息。

作文

The study of light and its interaction with matter is a fundamental aspect of physics and chemistry. One important concept in this field is the absorption band, which refers to a specific range of wavelengths or frequencies at which a substance absorbs light. This phenomenon occurs because the energy of the incoming photons matches the energy levels of the electrons in the atoms or molecules of the substance, causing transitions that absorb specific wavelengths of light. Understanding absorption bands is crucial for various applications, including spectroscopy, environmental monitoring, and even astrophysics.In spectroscopy, absorption bands are used to identify substances based on their unique spectral fingerprints. When light passes through a sample, certain wavelengths are absorbed, while others are transmitted or reflected. By analyzing the resulting spectrum, scientists can determine the composition of the sample. For example, each element and compound has a characteristic set of absorption bands that can be used to identify it. This technique is widely employed in laboratories to analyze chemical compositions and detect pollutants in the environment.Moreover, absorption bands play a significant role in understanding the Earth's atmosphere. Gases such as carbon dioxide and water vapor have specific absorption bands in the infrared region of the electromagnetic spectrum. These bands are critical for understanding how these gases trap heat in the atmosphere, contributing to the greenhouse effect and climate change. By studying these absorption bands, scientists can model climate patterns and predict future changes in our environment.In the realm of astrophysics, absorption bands help astronomers decipher the composition of distant stars and galaxies. When light from these celestial bodies passes through the intervening gas and dust, certain wavelengths are absorbed, creating distinct absorption bands in the spectrum. By analyzing these bands, astronomers can determine the presence of various elements and molecules in space, providing valuable insights into the universe's composition and evolution.In summary, the concept of absorption band is pivotal in many scientific fields. It not only aids in the identification of substances but also enhances our understanding of atmospheric processes and cosmic phenomena. As technology advances, the ability to precisely measure and analyze absorption bands will continue to unlock new discoveries and deepen our comprehension of the natural world. Through ongoing research and innovation, the study of absorption bands will remain a cornerstone of scientific inquiry, bridging the gap between theory and practical application.

光与物质的相互作用研究是物理学和化学的基础概念之一。在这个领域中，一个重要的概念是吸收带，它指的是物质吸收光的特定波长或频率范围。这种现象的发生是因为入射光子的能量与物质中原子或分子的电子能级相匹配，从而导致特定波长的光被吸收。理解吸收带对于各种应用至关重要，包括光谱学、环境监测，甚至天体物理学。在光谱学中，吸收带用于根据物质独特的光谱指纹来识别物质。当光通过样品时，某些波长会被吸收，而其他波长则被传输或反射。通过分析得到的光谱，科学家可以确定样品的成分。例如，每种元素和化合物都有一组特征性的吸收带，可以用来识别它。该技术在实验室中广泛应用于分析化学成分和检测环境中的污染物。此外，吸收带在理解地球大气方面也发挥着重要作用。二氧化碳和水蒸气等气体在电磁波谱的红外区域具有特定的吸收带。这些带对于理解这些气体如何在大气中捕获热量、导致温室效应和气候变化至关重要。通过研究这些吸收带，科学家可以建模气候模式并预测我们环境中未来的变化。在天体物理学领域，吸收带帮助天文学家解读遥远恒星和星系的组成。当这些天体的光穿过中间的气体和尘埃时，某些波长会被吸收，从而在光谱中产生明显的吸收带。通过分析这些带，天文学家可以确定太空中各种元素和分子的存在，为宇宙的组成和演化提供宝贵的见解。总之，吸收带的概念在许多科学领域中都是至关重要的。它不仅有助于物质的识别，还增强了我们对大气过程和宇宙现象的理解。随着技术的进步，精确测量和分析吸收带的能力将继续解锁新的发现，加深我们对自然世界的认识。通过持续的研究和创新，吸收带的研究将继续成为科学探究的基石，弥合理论与实际应用之间的鸿沟。