absorption maximum
简明释义
最大吸收
英英释义
例句
1.To analyze the sample, we need to identify its absorption maximum 吸收峰 in the spectrum.
为了分析样品,我们需要在光谱中识别其吸收峰。
2.The absorption maximum 吸收峰 indicates the wavelength at which a substance absorbs the most light.
该吸收峰指示物质吸收最多光的波长。
3.In this experiment, we will determine the absorption maximum 吸收峰 of the compound using UV-Vis spectroscopy.
在这个实验中,我们将使用紫外-可见光光谱法确定化合物的吸收峰。
4.The spectrophotometer was calibrated to measure the absorption maximum 吸收峰 of the dye solution.
分光光度计经过校准,以测量染料溶液的吸收峰。
5.Researchers found that the absorption maximum 吸收峰 of chlorophyll occurs at around 665 nm.
研究人员发现,叶绿素的吸收峰发生在大约665纳米处。
作文
In the realm of chemistry and physics, understanding the properties of light and its interaction with matter is crucial. One important concept that arises in this context is the absorption maximum, which refers to the specific wavelength at which a substance absorbs the most light. This phenomenon is essential for various applications, including spectroscopy, environmental monitoring, and even medical diagnostics. The absorption maximum can vary significantly between different substances, depending on their molecular structure and electronic configurations.When light passes through a medium, certain wavelengths are absorbed while others are transmitted or reflected. The absorption maximum is typically determined by measuring the absorbance of a sample across a range of wavelengths. A graph of absorbance versus wavelength reveals peaks at the absorption maximum, indicating the wavelengths where the sample is most effective at absorbing light. This characteristic is not only vital for identifying substances but also for understanding their concentration in a solution, as per Beer-Lambert Law, which states that absorbance is directly proportional to concentration.One practical application of the absorption maximum is in environmental science, where it is used to monitor pollutants in water bodies. For instance, certain dyes or contaminants exhibit distinct absorption maximums that can be detected using spectrophotometry. By analyzing the absorption spectrum of a water sample, scientists can determine the presence and concentration of harmful substances, thereby aiding in environmental protection efforts.In the field of medicine, the absorption maximum plays a significant role in diagnostic techniques such as UV-Vis spectroscopy. Many biological molecules, such as proteins and nucleic acids, have unique absorption maximums that allow researchers to quantify their concentrations in a sample. For example, DNA absorbs UV light most efficiently at around 260 nm, making it possible to measure DNA concentrations accurately in various biological samples.Moreover, the absorption maximum is not limited to just simple solutions. In complex mixtures, such as those found in biological systems, determining the absorption maximum can help distinguish between different components. This is particularly useful in pharmacology, where understanding how drugs interact with biological targets often requires knowledge of their absorption maximums. By knowing the specific wavelengths at which a drug absorbs light, scientists can optimize its formulation and delivery methods.In conclusion, the concept of absorption maximum is fundamental in various scientific disciplines. It not only aids in the identification and quantification of substances but also enhances our understanding of their interactions with light. As technology advances, the methods for determining absorption maximums continue to evolve, leading to more precise measurements and broader applications. Whether in environmental monitoring, medical diagnostics, or research, the absorption maximum remains a key parameter in the study of light-matter interactions, underscoring its significance in both theoretical and practical contexts.
在化学和物理学领域,理解光的性质及其与物质的相互作用至关重要。在这种情况下,一个重要的概念是吸收最大值,它指的是物质吸收最多光的特定波长。这一现象对于各种应用至关重要,包括光谱学、环境监测甚至医学诊断。吸收最大值在不同物质之间可能会有显著差异,这取决于它们的分子结构和电子配置。当光通过介质时,某些波长会被吸收,而其他波长则被透过或反射。吸收最大值通常通过测量样品在一系列波长下的吸光度来确定。吸光度与波长的图表显示出在吸收最大值处的峰值,表明样品在这些波长下最有效地吸收光。这一特征不仅对识别物质至关重要,还帮助我们理解溶液中物质的浓度,根据比尔-朗伯定律,吸光度与浓度成正比。吸收最大值的一个实际应用是在环境科学中,用于监测水体中的污染物。例如,某些染料或污染物表现出独特的吸收最大值,可以通过分光光度法进行检测。通过分析水样的吸收光谱,科学家可以确定有害物质的存在和浓度,从而帮助环境保护工作。在医学领域,吸收最大值在诸如紫外-可见光谱法等诊断技术中发挥着重要作用。许多生物分子,如蛋白质和核酸,具有独特的吸收最大值,允许研究人员准确量化样品中的浓度。例如,DNA在约260纳米时最有效地吸收紫外光,使得在各种生物样本中准确测量DNA浓度成为可能。此外,吸收最大值不仅限于简单的溶液。在复杂混合物中,例如生物系统中,确定吸收最大值可以帮助区分不同成分。这在药理学中特别有用,因为了解药物如何与生物靶点相互作用通常需要了解它们的吸收最大值。通过了解药物吸收光的特定波长,科学家可以优化其制剂和递送方法。总之,吸收最大值的概念在各个科学学科中都是基础的。它不仅有助于物质的识别和定量,还增强了我们对它们与光相互作用的理解。随着技术的发展,确定吸收最大值的方法不断演变,导致更精确的测量和更广泛的应用。无论是在环境监测、医学诊断还是研究中,吸收最大值始终是研究光与物质相互作用的关键参数,突显了其在理论和实践背景下的重要性。
相关单词