adsorption hysteresis

简明释义

吸附滞后现象;

英英释义

例句

1.In porous materials, adsorption hysteresis 吸附滞后现象 can lead to discrepancies in surface area measurements.

在多孔材料中，adsorption hysteresis 吸附滞后现象可能导致表面积测量的差异。

2.The adsorption hysteresis 吸附滞后现象 can affect the performance of catalysts in chemical reactions.

adsorption hysteresis 吸附滞后现象可能会影响催化剂在化学反应中的性能。

3.In our recent study, we observed significant adsorption hysteresis 吸附滞后现象 in the nitrogen adsorption isotherms of activated carbon.

在我们最近的研究中，我们观察到活性炭的氮气吸附等温线中存在显著的adsorption hysteresis 吸附滞后现象。

4.The researchers noted that the adsorption hysteresis 吸附滞后现象 was more pronounced at higher temperatures.

研究人员注意到，在较高温度下，adsorption hysteresis 吸附滞后现象更为明显。

5.Understanding adsorption hysteresis 吸附滞后现象 is crucial for designing better storage materials for gases.

理解adsorption hysteresis 吸附滞后现象对于设计更好的气体存储材料至关重要。

作文

Adsorption is a surface phenomenon where molecules from a gas or liquid adhere to the surface of a solid or liquid. This process is crucial in various fields such as catalysis, environmental science, and materials engineering. One of the significant concepts related to adsorption is adsorption hysteresis, which refers to the difference in the adsorption and desorption isotherms of a substance. In simpler terms, it describes how the amount of adsorbate on a surface can vary depending on whether the pressure is increasing or decreasing during the process. Understanding adsorption hysteresis is vital for optimizing processes that rely on adsorption, such as gas storage, separation technologies, and even biological systems.The phenomenon of adsorption hysteresis occurs due to several factors, including pore structure, surface roughness, and the nature of the adsorbate and adsorbent. For instance, in porous materials, the geometry of the pores can trap molecules during desorption, leading to a lower amount of adsorbate being released than what was initially adsorbed. This behavior can significantly influence the efficiency of materials used in applications like gas sensors or catalysts.In practical applications, understanding adsorption hysteresis can help engineers and scientists design better materials that can effectively store or separate gases. For example, in carbon capture technologies, materials that exhibit minimal hysteresis are preferred because they can release captured gases more efficiently when conditions change, thus enhancing the overall performance of the system.Moreover, adsorption hysteresis also plays a crucial role in environmental science. For instance, in soil science, the hysteresis effect can impact the availability of nutrients and pollutants in the soil. Understanding how different soils exhibit hysteresis can lead to better agricultural practices and improved methods for remediation of contaminated sites.In conclusion, adsorption hysteresis is an essential concept in the study of adsorption processes. It highlights the complexities involved in how substances interact with surfaces and underscores the importance of considering both adsorption and desorption behaviors in practical applications. As research continues to evolve, a deeper understanding of adsorption hysteresis will undoubtedly lead to advancements in technology and environmental management, paving the way for more efficient and sustainable practices in various industries.

吸附是分子从气体或液体中粘附到固体或液体表面的现象。这个过程在催化、环境科学和材料工程等多个领域至关重要。与吸附相关的一个重要概念是吸附滞后现象，它指的是物质的吸附和解吸等温线之间的差异。简单来说，它描述了在过程中，当压力增加或减少时，表面上吸附物的数量如何变化。理解吸附滞后现象对于优化依赖于吸附的过程至关重要，例如气体存储、分离技术，甚至生物系统。吸附滞后现象的发生是由于多个因素，包括孔结构、表面粗糙度以及吸附物和吸附剂的性质。例如，在多孔材料中，孔的几何形状可能在解吸过程中捕获分子，导致释放的吸附物数量低于最初吸附的数量。这种行为会显著影响用于气体传感器或催化剂等应用的材料效率。在实际应用中，理解吸附滞后现象可以帮助工程师和科学家设计更好的材料，以有效地存储或分离气体。例如，在碳捕集技术中，表现出最小滞后的材料更受青睐，因为在条件变化时，它们可以更有效地释放捕获的气体，从而提高系统的整体性能。此外，吸附滞后现象在环境科学中也起着至关重要的作用。例如，在土壤科学中，滞后效应可能影响土壤中营养物质和污染物的可用性。理解不同土壤如何表现出滞后现象可以导致更好的农业实践和改进受污染地点的修复方法。总之，吸附滞后现象是吸附过程研究中的一个重要概念。它突显了物质如何与表面相互作用的复杂性，并强调了在实际应用中考虑吸附和解吸行为的重要性。随着研究的不断发展，对吸附滞后现象的深入理解无疑将推动技术和环境管理的进步，为各个行业的更高效和可持续的实践铺平道路。