adsorbed

简明释义

英[ədˈzɔːbd]美[ædˈzɔrbd]

adj. 吸附了的

英英释义

单词用法

同义词

反义词

例句

1.The dye is adsorbed onto the fibre.

染料已吸附在纤维上。

2.The chloride amount adsorbed is related to cation valence and radius.

氯化物的吸附量与阳离子的价数，离子半径等因素有关。

3.It is studied that most of tungsten in ore occurs in secondary psilomelane in the form of adsorbed ions.

通过研究得出，矿石中钨绝大部分是呈离子吸附形式赋存于次生硬锰矿中。

4.The theoretical calculation and the testing method of PVA adsorbed layer were given is this paper.

文中给出了颗粒米面PVA吸附层厚度理论计算和实验测量方法。

5.The concentration of biomolecule adsorbed on surface could also be determined according to the resonance Angle shift.

生物分子在材料表面吸附的浓度也可以通过检测共振角度的偏移而获得。

6.As the surface charge density increased, the adsorbed BSA amount also increased.

随着硅片表面电荷密度增加，BSA吸附量增加。

7.Adsorbed pesticide is in equilibrium with that dissolved in the water film around the soil particle.

吸附农药与溶解在土壤颗粒周围水膜中的农药平衡。

8.The experiment showed that the contaminants were effectively adsorbed (吸附) by the activated charcoal.

实验表明，污染物被活性炭有效地adsorbed（吸附）。

9.The carbon filter works by trapping impurities in water as they are adsorbed (吸附) onto its surface.

碳滤器通过将水中的杂质作为adsorbed（吸附）在其表面来工作。

10.In the laboratory, the researchers noted that the dye molecules were adsorbed (吸附) onto the surface of the nanoparticles.

在实验室中，研究人员注意到染料分子被adsorbed（吸附）在纳米颗粒的表面。

11.The soil has a high capacity for nutrients because they can be easily adsorbed (吸附) by the particles within it.

土壤对养分的保持能力很强，因为它们可以很容易地被其中的颗粒adsorbed（吸附）。

12.Gas molecules can be adsorbed (吸附) on solid surfaces, which is important for catalysis processes.

气体分子可以在固体表面上被adsorbed（吸附），这对催化过程非常重要。

作文

In the realm of chemistry and material science, understanding the concept of adsorption is crucial for various applications. One term that often comes up in this context is adsorbed, which refers to the process where molecules adhere to a surface. This phenomenon is different from absorption, where substances are taken into the volume of another material. When a substance is adsorbed, it forms a layer on the surface rather than penetrating into it. This distinction is essential for numerous scientific fields, including catalysis, environmental science, and even biology.For instance, in catalysis, the efficiency of catalysts often depends on how well reactants are adsorbed onto their surfaces. A catalyst works by providing a surface that facilitates chemical reactions. The reactants must first be adsorbed onto this surface before they can undergo a transformation. If the reactants are not effectively adsorbed, the reaction rate can significantly decrease, leading to lower yields in industrial processes.Moreover, in environmental science, the concept of adsorbed pollutants plays a critical role in understanding how contaminants interact with soil and water. For example, when oil spills occur, the oil molecules can become adsorbed onto sand or soil particles, affecting their mobility and the overall ecosystem. Understanding how these pollutants are adsorbed helps in developing effective remediation strategies to clean up contaminated sites.In biology, the process of adsorption is also vital. For instance, when bacteria attach to surfaces, such as medical devices or natural tissues, they do so through adsorbed layers of proteins and other biomolecules. This initial attachment is crucial for biofilm formation, which can have significant implications for health and disease. By studying the mechanisms of how cells and bacteria are adsorbed onto surfaces, researchers can develop better strategies to prevent infections and improve medical device designs.Furthermore, the study of materials often involves examining how gases or liquids are adsorbed onto solid surfaces. For example, activated carbon is widely used for its ability to adsorb various pollutants due to its high surface area and porous structure. In water treatment, activated carbon filters are employed to remove contaminants by trapping them on their surface through adsorption. This process is influenced by several factors, including temperature, pressure, and the nature of the adsorbate and adsorbent.In conclusion, the term adsorbed encapsulates a fundamental process that is pivotal across multiple disciplines. Whether in chemistry, environmental science, or biology, the ability of substances to be adsorbed onto surfaces has profound implications for both theoretical research and practical applications. By deepening our understanding of how and why substances are adsorbed, we can advance technologies and methodologies that benefit society at large. As research continues to evolve, the significance of adsorption will undoubtedly remain a key focus in the quest for innovation and sustainability.

在化学和材料科学领域，理解吸附的概念对各种应用至关重要。一个常常出现的术语是adsorbed，它指的是分子附着在表面的过程。这种现象与吸收不同，后者是指物质被纳入另一种材料的体积。当一种物质被adsorbed时，它会在表面上形成一层，而不是渗透进去。这种区别对于催化、环境科学甚至生物学等众多科学领域至关重要。例如，在催化中，催化剂的效率通常取决于反应物如何有效地被adsorbed到其表面。催化剂通过提供一个促进化学反应的表面而发挥作用。反应物必须首先被adsorbed到这个表面上，然后才能发生转化。如果反应物没有有效地被adsorbed，反应速率可能会显著降低，导致工业过程中的产量下降。此外，在环境科学中，adsorbed污染物的概念在理解污染物如何与土壤和水相互作用方面也起着关键作用。例如，当发生石油泄漏时，油分子可以被adsorbed到沙子或土壤颗粒上，影响其流动性和整体生态系统。了解这些污染物是如何被adsorbed的，有助于制定有效的修复策略以清理受污染的场地。在生物学中，adsorption过程同样至关重要。例如，当细菌附着在表面上，如医疗设备或自然组织时，它们是通过adsorbed的蛋白质和其他生物分子层来实现的。这种初始附着对生物膜的形成至关重要，这可能对健康和疾病产生重大影响。通过研究细胞和细菌是如何被adsorbed到表面上的机制，研究人员可以开发更好的策略来预防感染并改善医疗设备设计。此外，材料的研究通常涉及检查气体或液体如何被adsorbed到固体表面。例如，活性炭因其高表面积和多孔结构而广泛用于吸附各种污染物。在水处理过程中，活性炭过滤器被用来通过将污染物捕获在其表面上来去除污染物，这一过程受到温度、压力以及吸附物和吸附剂性质等多个因素的影响。总之，adsorbed这一术语涵盖了一个基本过程，这一过程在多个学科中至关重要。无论是在化学、环境科学还是生物学，物质被adsorbed到表面的能力对理论研究和实际应用都有深远的影响。通过加深我们对物质为何以及如何被adsorbed的理解，我们可以推动有利于社会整体的技术和方法的发展。随着研究的不断进展，adsorption的重要性无疑将继续成为创新和可持续发展追求的关键焦点。