absorption path length

简明释义

吸收光程长度;

英英释义

例句

1.To achieve accurate measurements, it is crucial to maintain a consistent absorption path length 吸收路径长度 during the experiment.

为了获得准确的测量，在实验过程中保持一致的吸收路径长度 absorption path length至关重要。

2.In optical systems, increasing the absorption path length 吸收路径长度 can enhance the signal detection.

在光学系统中，增加吸收路径长度 absorption path length可以增强信号检测。

3.The effectiveness of the dye in the solution can be determined by measuring the absorption path length 吸收路径长度 in the spectrophotometer.

通过在分光光度计中测量吸收路径长度 absorption path length，可以确定溶液中染料的有效性。

4.The researchers adjusted the absorption path length 吸收路径长度 to optimize the reaction conditions for the experiment.

研究人员调整了吸收路径长度 absorption path length以优化实验的反应条件。

5.Different materials will affect the absorption path length 吸收路径长度 in various ways, impacting the results of the analysis.

不同材料会以不同方式影响吸收路径长度 absorption path length，从而影响分析结果。

作文

In the field of physics and chemistry, the concept of absorption path length is crucial for understanding how light interacts with matter. The term refers to the distance that light travels through a medium before it is absorbed. This distance can significantly affect the intensity of light that emerges from the material and is vital in various applications such as spectroscopy, environmental monitoring, and even medical diagnostics. When light passes through a substance, it can be absorbed, reflected, or transmitted. The absorption path length plays a pivotal role in determining how much light is absorbed versus how much is transmitted. For instance, in spectrophotometry, a technique used to measure how much light a chemical substance absorbs, the absorption path length is a key variable. By knowing the absorption path length, scientists can calculate the concentration of a substance in a solution using Beer-Lambert Law, which states that the absorbance of light by a substance is directly proportional to its concentration and the absorption path length. This relationship is fundamental in analytical chemistry where precise measurements are necessary. Moreover, the absorption path length is not constant; it can vary depending on the medium through which light is traveling. For example, in a gas, the absorption path length might be longer than in a liquid due to the differences in density and molecular interactions. This variability must be taken into account when designing experiments or interpreting results, as it can lead to significant discrepancies if overlooked.In practical applications, understanding the absorption path length is also essential in fields such as environmental science. For example, when measuring pollutants in the atmosphere, scientists must consider the absorption path length of light traveling through different layers of air. This understanding helps in assessing the impact of various pollutants on air quality and in developing strategies for pollution control. Additionally, in medical diagnostics, the absorption path length is important in techniques like near-infrared spectroscopy, which is used to analyze tissue composition. By knowing the absorption path length, healthcare professionals can better interpret the data obtained from these tests, leading to more accurate diagnoses and improved patient outcomes. In conclusion, the concept of absorption path length is a fundamental aspect of understanding light-matter interactions. It influences various scientific and practical applications, from analytical chemistry to environmental monitoring and medical diagnostics. A thorough comprehension of this concept allows researchers and professionals to make informed decisions based on the behavior of light within different materials. As technology advances and new methods of analysis are developed, the importance of accurately measuring and understanding the absorption path length will only continue to grow, highlighting its significance in both research and real-world applications.

在物理和化学领域，吸收路径长度的概念对于理解光与物质的相互作用至关重要。这个术语指的是光在被吸收之前穿过介质的距离。这个距离可以显著影响从材料中逸出的光的强度，并且在各种应用中都至关重要，如光谱学、环境监测甚至医学诊断。当光通过某种物质时，它可能会被吸收、反射或透射。吸收路径长度在决定多少光被吸收与多少光被透射方面发挥着关键作用。例如，在分光光度法中，这是一种用于测量化学物质吸收多少光的技术，吸收路径长度是一个关键变量。通过了解吸收路径长度，科学家可以利用比尔-朗伯定律计算溶液中物质的浓度，该定律指出，物质对光的吸收度与其浓度和吸收路径长度成正比。这一关系在分析化学中是基础性的，因为精确的测量是必要的。此外，吸收路径长度并不是恒定的；它可以根据光所经过的介质而变化。例如，在气体中，由于密度和分子相互作用的差异，吸收路径长度可能比在液体中更长。在设计实验或解释结果时，必须考虑这种变异性，因为如果忽视，会导致显著的差异。在实际应用中，理解吸收路径长度在环境科学等领域也至关重要。例如，在测量大气中的污染物时，科学家必须考虑光穿过不同空气层的吸收路径长度。这种理解有助于评估各种污染物对空气质量的影响，并制定污染控制策略。此外，在医学诊断中，吸收路径长度在近红外光谱等技术中也很重要，该技术用于分析组织成分。通过了解吸收路径长度，医疗专业人员可以更好地解读这些测试所获得的数据，从而导致更准确的诊断和改善患者的结果。总之，吸收路径长度的概念是理解光-物质相互作用的基本方面。它影响着从分析化学到环境监测和医学诊断等各种科学和实际应用。对这一概念的透彻理解使研究人员和专业人员能够根据光在不同材料中的行为做出明智的决策。随着技术的进步和新分析方法的发展，准确测量和理解吸收路径长度的重要性只会继续增长，突显其在研究和实际应用中的意义。