adsorption site

简明释义

吸附点

英英释义

An adsorption site is a specific location on the surface of a solid or liquid where molecules, ions, or atoms can adhere or accumulate through intermolecular forces.

吸附位点是固体或液体表面上特定的位置,分子、离子或原子可以通过分子间力在此处粘附或积聚。

例句

1.In this experiment, we will measure how the number of adsorption sites (吸附位点) affects the efficiency of the filter.

在这个实验中,我们将测量吸附位点(吸附位点)的数量如何影响过滤器的效率。

2.The study focused on the interaction between pollutants and adsorption sites (吸附位点) in activated carbon.

这项研究集中在污染物与活性炭中吸附位点(吸附位点)之间的相互作用。

3.By increasing the temperature, we can observe changes in the occupancy of adsorption sites (吸附位点) on the catalyst.

通过提高温度,我们可以观察到催化剂上吸附位点(吸附位点)的占用情况变化。

4.The surface area of the material determines the availability of adsorption sites (吸附位点) for gas molecules.

材料的表面积决定了气体分子可用的吸附位点(吸附位点)的数量。

5.The researchers identified a new type of catalyst with multiple adsorption sites (吸附位点) that enhance the reaction rate.

研究人员发现了一种具有多个吸附位点(吸附位点)的新型催化剂,可以提高反应速率。

作文

Adsorption is a fundamental process that occurs in various fields, including chemistry, biology, and environmental science. It refers to the adhesion of molecules from a gas, liquid, or dissolved solid to a surface. This process is crucial for many applications, such as catalysis, filtration, and sensor technology. One key concept in understanding adsorption is the notion of the adsorption site, which can be defined as a specific location on a surface where molecules can adhere. The characteristics of these adsorption sites significantly influence the efficiency and effectiveness of the adsorption process.In a typical scenario, when a gas or liquid comes into contact with a solid surface, certain molecules will interact with the surface at designated adsorption sites. These sites can vary in size, shape, and chemical properties, which affects how well different molecules can attach to them. For instance, in catalytic converters used in automobiles, metal surfaces contain numerous adsorption sites that facilitate the conversion of harmful gases into less harmful emissions. The more effective these adsorption sites are, the better the catalyst performs.Moreover, the density of adsorption sites is another critical factor. A higher density means more opportunities for molecules to adhere, leading to increased adsorption capacity. This principle is particularly important in applications like activated carbon filters, which are designed to remove impurities from water or air. The effectiveness of these filters relies heavily on the availability of numerous adsorption sites to capture contaminants.The nature of the adsorption site also plays a significant role in determining the selectivity of the adsorption process. Different molecules have varying affinities for specific adsorption sites, which can be influenced by factors such as polarity, charge, and molecular size. In biochemical applications, for example, enzymes often have specific adsorption sites that allow substrates to bind effectively, leading to successful biochemical reactions. Understanding these interactions is vital for designing efficient drugs and developing targeted therapies.In environmental science, the concept of adsorption sites is essential for understanding pollutant behavior in soils and sediments. Contaminants can adhere to soil particles through adsorption sites, affecting their mobility and bioavailability. This knowledge helps scientists develop strategies for remediation and pollution control, ensuring that harmful substances do not spread uncontrollably in the environment.In conclusion, the term adsorption site is integral to the study of adsorption processes across various disciplines. By comprehending the significance of these sites, researchers and practitioners can enhance the performance of catalysts, improve filtration systems, design better pharmaceuticals, and address environmental challenges. As we continue to explore the complexities of adsorption, the importance of adsorption sites will undoubtedly remain a focal point for innovation and discovery in science and technology.

吸附是一个基本过程,发生在化学、生物和环境科学等多个领域。它指的是气体、液体或溶解固体分子附着到表面的现象。这个过程对于催化、过滤和传感器技术等许多应用至关重要。理解吸附的一个关键概念是吸附位点的概念,可以定义为分子可以附着的表面特定位置。这些吸附位点的特性显著影响吸附过程的效率和有效性。在典型场景中,当气体或液体与固体表面接触时,某些分子将在指定的吸附位点与表面相互作用。这些位点的大小、形状和化学性质可能有所不同,这会影响不同分子附着的效果。例如,在汽车催化转换器中,金属表面包含众多的吸附位点,促进有害气体转化为较少有害的排放。吸附位点越有效,催化剂的性能就越好。此外,吸附位点的密度也是一个关键因素。较高的密度意味着更多的分子附着机会,从而增加吸附能力。这一原理在活性炭过滤器等应用中尤为重要,这些过滤器旨在去除水或空气中的杂质。这些过滤器的有效性在很大程度上依赖于众多的吸附位点来捕获污染物。吸附位点的性质也在决定吸附过程的选择性方面发挥着重要作用。不同分子对特定吸附位点的亲和力各不相同,这可能受到极性、电荷和分子大小等因素的影响。在生物化学应用中,例如,酶通常具有特定的吸附位点,使底物能够有效结合,从而导致成功的生化反应。理解这些相互作用对于设计高效药物和开发靶向疗法至关重要。在环境科学中,吸附位点的概念对于理解污染物在土壤和沉积物中的行为至关重要。污染物可以通过吸附位点附着到土壤颗粒上,影响其活动性和生物可利用性。这一知识帮助科学家制定修复和污染控制策略,确保有害物质不会在环境中不受控制地扩散。总之,吸附位点这一术语是研究各个学科吸附过程的核心。通过理解这些位点的重要性,研究人员和从业者可以提高催化剂的性能,改善过滤系统,设计更好的药物,并解决环境问题。随着我们继续探索吸附的复杂性,吸附位点的重要性无疑将继续成为科学和技术创新与发现的焦点。

相关单词

adsorption

adsorption详解:怎么读、什么意思、用法