adsorption site

简明释义

吸附点

英英释义

例句

1.Each adsorption site (吸附位点) can hold a specific amount of gas molecules before saturation occurs.

每个adsorption site（吸附位点）在饱和发生之前可以容纳特定数量的气体分子。

2.The effectiveness of the catalyst is largely determined by the number of available adsorption sites (吸附位点) on its surface.

催化剂的有效性在很大程度上取决于其表面可用的adsorption sites（吸附位点）的数量。

3.Understanding the distribution of adsorption sites (吸附位点) is critical for optimizing chemical reactions.

了解adsorption sites（吸附位点）的分布对于优化化学反应至关重要。

4.In this experiment, we measured how temperature affects the adsorption sites (吸附位点) of the activated carbon.

在这个实验中，我们测量了温度如何影响活性炭的adsorption sites（吸附位点）。

5.The researchers found that increasing surface area leads to more adsorption sites (吸附位点) for the pollutant.

研究人员发现，增加表面积会导致污染物的adsorption sites（吸附位点）增多。

作文

Adsorption is a fundamental process widely observed in various fields, including chemistry, environmental science, and materials engineering. It refers to the adhesion of molecules from a gas, liquid, or dissolved solid to a surface. The specific location on the surface where this adhesion occurs is known as an adsorption site (吸附位点). Understanding the characteristics and behavior of adsorption sites is crucial for optimizing processes such as catalysis, separation, and purification. In the context of catalysis, adsorption sites play a pivotal role in determining how efficiently a catalyst can facilitate a chemical reaction. Catalysts work by providing a surface where reactants can adsorb, allowing them to interact more readily. The nature of the adsorption sites—including their size, shape, and chemical properties—can significantly influence the rate and selectivity of the reaction. For instance, if a catalyst has a high density of active adsorption sites, it may enhance the overall reaction rate by providing more opportunities for reactant molecules to adhere and react. Moreover, in environmental science, understanding adsorption sites is essential for addressing pollution and waste management. Many contaminants in water and soil can be removed through adsorption onto various materials. For example, activated carbon is commonly used to purify drinking water due to its extensive network of adsorption sites that can trap harmful substances. By studying the properties of these adsorption sites, researchers can develop more effective materials for environmental remediation. Materials engineering also benefits from the study of adsorption sites. In designing new materials, such as sensors or drug delivery systems, the interaction between the material's surface and the surrounding environment is critical. Engineers can modify the surface characteristics to create specific adsorption sites that enhance the material's performance. For example, tailoring the chemical composition of a surface can lead to selective adsorption sites that preferentially bind certain molecules, improving the efficiency of sensors or drug carriers. Furthermore, the concept of adsorption sites extends into biological systems. Enzymes, which are biological catalysts, have specific regions where substrates bind, known as active sites. These active sites can be viewed as biological adsorption sites, where the interaction between enzyme and substrate occurs. Understanding these interactions at the molecular level is vital for developing drugs and therapies that target specific biochemical pathways. In summary, the term adsorption site (吸附位点) encapsulates a critical aspect of many scientific disciplines. Whether in catalysis, environmental science, materials engineering, or biology, the understanding of adsorption sites provides insights that drive innovation and improve efficiency. As research continues to advance, the manipulation and optimization of adsorption sites will likely lead to breakthroughs that address some of the most pressing challenges in science and industry today.