amphoteric character

简明释义

两性特征

英英释义

例句

1.Water exhibits an amphoteric character 两性特征 as it can act as both an acid and a base.

水表现出一种amphoteric character 两性特征，因为它可以既作为酸又作为碱。

2.Bicarbonate ions have an amphoteric character 两性特征, functioning as both an acid and a base in biological systems.

重碳酸根离子具有amphoteric character 两性特征，在生物系统中既能作为酸也能作为碱。

3.In chemistry, understanding the amphoteric character 两性特征 of substances is crucial for predicting their behavior in reactions.

在化学中，理解物质的amphoteric character 两性特征对预测它们在反应中的行为至关重要。

4.The amphoteric character 两性特征 of amino acids allows them to participate in various biochemical reactions.

氨基酸的amphoteric character 两性特征使它们能够参与多种生化反应。

5.The amphoteric character 两性特征 of certain metal oxides makes them useful in various industrial applications.

某些金属氧化物的amphoteric character 两性特征使它们在各种工业应用中非常有用。

作文

The concept of amphoteric character refers to the ability of a substance to act as both an acid and a base. This duality is essential in various chemical reactions and plays a significant role in biological systems. For instance, water is a classic example of a substance with an amphoteric character because it can donate a proton (H+) to become hydroxide (OH-) or accept a proton to form hydronium (H3O+). Understanding this property is crucial for students studying chemistry, as it helps explain how different substances interact in solution and how pH levels can be affected by the presence of amphoteric compounds.In the realm of biochemistry, proteins are another prime example of molecules that exhibit amphoteric character. Amino acids, the building blocks of proteins, contain both amino groups (-NH2) and carboxyl groups (-COOH). Depending on the pH of their environment, these amino acids can either donate or accept protons, allowing them to function effectively in various biological processes. The ability of amino acids to behave as acids or bases is vital for maintaining the structure and function of proteins, which ultimately influences cellular activities and metabolic pathways.Moreover, the amphoteric character of certain metal oxides, such as aluminum oxide (Al2O3), is important in industrial applications. These oxides can react with both acids and bases, making them useful in catalysis and materials science. For example, aluminum oxide can neutralize acidic or basic environments, which is beneficial in processes like wastewater treatment and in the production of ceramics. Understanding the amphoteric character of these materials allows chemists and engineers to design better processes and products.In summary, the amphoteric character of substances is a fundamental concept in both chemistry and biology. It highlights the versatility of certain molecules and their ability to participate in a range of chemical reactions. By recognizing the importance of this property, students and professionals can gain deeper insights into the behavior of substances in various contexts, from laboratory experiments to real-world applications. The study of amphoteric character not only enhances our understanding of chemical principles but also informs practical solutions in fields such as environmental science, medicine, and materials engineering.

“两性特征”这一概念指的是物质既可以作为酸又可以作为碱的能力。这种双重性在各种化学反应中至关重要，并在生物系统中发挥着重要作用。例如，水就是一个典型的具有“两性特征”的物质，因为它可以捐赠一个质子（H+）转变为氢氧根（OH-），或者接受一个质子形成水合氢离子（H3O+）。理解这一特性对于学习化学的学生至关重要，因为它有助于解释不同物质在溶液中的相互作用，以及pH水平如何受到两性化合物存在的影响。在生物化学领域，蛋白质是另一类展示“两性特征”的分子。氨基酸是蛋白质的基本构件，包含氨基（-NH2）和羧基（-COOH）。根据其环境的pH值，这些氨基酸可以捐赠或接受质子，从而使它们能够有效地参与各种生物过程。氨基酸作为酸或碱的能力对维持蛋白质的结构和功能至关重要，这最终影响细胞活动和代谢途径。此外，某些金属氧化物（如氧化铝（Al2O3））的“两性特征”在工业应用中也很重要。这些氧化物可以与酸和碱反应，使它们在催化和材料科学中非常有用。例如，氧化铝可以中和酸性或碱性环境，这在废水处理和陶瓷生产等过程中是有益的。理解这些材料的“两性特征”使化学家和工程师能够设计更好的工艺和产品。总之，物质的“两性特征”是化学和生物学中的一个基本概念。它突显了某些分子的多样性及其参与各种化学反应的能力。通过认识这一特性的重大意义，学生和专业人士可以深入了解物质在各种环境中的行为，从实验室实验到现实世界应用。“两性特征”的研究不仅增强了我们对化学原理的理解，也为环境科学、医学和材料工程等领域提供了实用的解决方案。