"Absorbance" 是指物质吸收光的能力，通常用于描述物质在特定波长下被光线吸收的程度。在光学和化学领域中，它是一个重要的参数。
以下是一篇关于 absorbance 的英文范文：
Title: Absorbance Measurement: An Important Tool in Chemical Research
Abstract:
Absorbance is a key parameter in the field of chemistry and optical research. It measures the amount of light that is absorbed by a substance at a specific wavelength. This measurement is crucial for understanding the chemical composition and behavior of a sample.
In this article, we will discuss the various methods of absorbance measurement, including spectrophotometry and UV-visible spectroscopy. We will also explore the applications of absorbance in chemical analysis, drug discovery, and other fields.
Methods of Absorbance Measurement
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There are several methods of measuring absorbance, including spectrophotometry and UV-visible spectroscopy. Spectrophotometry involves using a spectrophotometer instrument to measure the absorption of light by a sample. This instrument uses a beam of light to illuminate the sample and measures the intensity of the light that is transmitted or reflected by the sample.
UV-visible spectroscopy is another method that can be used to measure absorbance. It involves using a UV-visible spectrophotometer to measure the absorption of light by a sample at specific wavelengths. This technique is commonly used in drug discovery and biotechnology applications.
Applications of Absorbance
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Absorbance measurements are used in a wide range of applications, including chemical analysis, environmental monitoring, and pharmaceutical research. For example, absorbance measurements can be used to determine the concentration of a substance in a sample, identify unknown compounds in a mixture, and monitor the progress of a reaction.
In drug discovery, absorbance measurements are used to assess the activity of potential drugs. By measuring the absorbance of drug candidates at various wavelengths, researchers can identify compounds with potential therapeutic effects and assess their safety profiles.
Conclusion
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Absorbance is an essential parameter in the field of chemistry and optical research. It provides valuable information about the chemical composition and behavior of a sample and has numerous applications in various fields. Understanding the various methods of measuring absorbance and their applications is crucial for successful research and development efforts.
absorbance的意思是吸光度。
在英文范文中有如下用法示例：The absorbance value of a sample indicates the degree to which the sample has absorbed light.（样品的吸光度值表示该样品吸收光的程度）。
absorbance的意思是吸收光强度。
在英文范文中的变化主要是根据语境的不同而变化，它通常用于描述物质吸收特定光的能力。