atomic ratio

简明释义

原子比

英英释义

例句

1.Calculating the atomic ratio 原子比 helps in understanding the composition of compounds.

计算原子比 有助于理解化合物的组成。

2.The atomic ratio 原子比 in a molecule can determine its properties and reactivity.

分子中的原子比 可以决定其性质和反应性。

3.In chemistry, the atomic ratio 原子比 of hydrogen to oxygen in water is 2:1.

在化学中，水中氢与氧的原子比 是2:1。

4.The atomic ratio 原子比 of carbon to hydrogen in hydrocarbons is crucial for fuel efficiency.

碳与氢的原子比 在烃类中对燃料效率至关重要。

5.To create the ideal alloy, engineers must consider the atomic ratio 原子比 of its components.

为了创造理想的合金，工程师必须考虑其成分的原子比 。

作文

The concept of atomic ratio is fundamental in the study of chemistry and materials science. It refers to the ratio of different types of atoms present in a compound or a mixture. Understanding atomic ratio is crucial for chemists as it helps them to determine the composition of substances, predict their behavior in reactions, and design new materials with specific properties. For instance, in organic chemistry, the atomic ratio of carbon to hydrogen in hydrocarbons plays a significant role in determining their physical and chemical characteristics.When we talk about atomic ratio, we often refer to it in the context of molecular formulas. A molecular formula indicates the types and numbers of atoms in a molecule. For example, the molecular formula of water is H₂O, which means there are two hydrogen atoms and one oxygen atom. The atomic ratio of hydrogen to oxygen in water is therefore 2:1. This simple ratio explains why water behaves the way it does chemically and physically.In addition to understanding individual compounds, atomic ratio is also important when analyzing mixtures. In alloys, for example, the atomic ratio of different metals can significantly affect their strength, ductility, and resistance to corrosion. By adjusting the atomic ratio of components in an alloy, engineers can create materials that are tailored for specific applications, such as aerospace or automotive industries.Another area where atomic ratio is essential is in stoichiometry, the calculation of reactants and products in chemical reactions. When balancing chemical equations, chemists must ensure that the atomic ratio of each element is conserved. This means that the number of atoms of each element on the reactant side must equal the number on the product side. For example, in the combustion of methane (CH₄), the balanced equation shows that one molecule of methane reacts with two molecules of oxygen (O₂) to produce one molecule of carbon dioxide (CO₂) and two molecules of water (H₂O). The atomic ratio of carbon, hydrogen, and oxygen in this reaction is critical for understanding the energy release during combustion.Furthermore, the concept of atomic ratio extends beyond traditional chemistry into fields like biochemistry and environmental science. In biochemistry, the atomic ratio of elements in biomolecules such as proteins, fats, and carbohydrates can influence their functions and interactions within living organisms. Similarly, in environmental science, understanding the atomic ratio of pollutants can help in assessing their impact on ecosystems and in developing strategies for remediation.In conclusion, the atomic ratio is a vital concept that underpins much of our understanding of chemistry and material science. It provides insights into the composition and behavior of substances, aids in the design of new materials, and is essential for accurate chemical analysis. As we continue to explore the complexities of matter, mastering the idea of atomic ratio will remain a key skill for scientists and engineers alike. Whether in the lab or in practical applications, the implications of atomic ratio are far-reaching and significant, making it a cornerstone of scientific inquiry.

“原子比”这一概念在化学和材料科学的研究中至关重要。它指的是在化合物或混合物中不同类型原子的比例。理解“原子比”对于化学家来说至关重要，因为它帮助他们确定物质的成分、预测其在反应中的行为，并设计具有特定性质的新材料。例如，在有机化学中，烃类中碳与氢的“原子比”在决定其物理和化学特性方面起着重要作用。当我们谈论“原子比”时，通常是在分子式的上下文中提及。分子式表示分子中原子的类型和数量。例如，水的分子式是H₂O，这意味着有两个氢原子和一个氧原子。因此，水中氢与氧的“原子比”为2:1。这一简单的比例解释了水在化学和物理上为何表现出这样的行为。除了理解单个化合物外，“原子比”在分析混合物时也很重要。例如，在合金中，不同金属的“原子比”可以显著影响其强度、延展性和抗腐蚀性。通过调整合金中成分的“原子比”，工程师可以创造出针对特定应用（如航空航天或汽车工业）量身定制的材料。“原子比”在化学计量学中的重要性也不容忽视，即在化学反应中计算反应物和产品。当平衡化学方程式时，化学家必须确保每种元素的“原子比”得到保持。这意味着反应物侧每种元素的原子数必须等于产品侧的原子数。例如，在甲烷（CH₄）的燃烧中，平衡方程显示一分子甲烷与两分子氧气（O₂）反应，生成一分子二氧化碳（CO₂）和两分子水（H₂O）。此反应中碳、氢和氧的“原子比”对理解燃烧过程中的能量释放至关重要。此外，“原子比”的概念不仅限于传统化学，还扩展到生物化学和环境科学等领域。在生物化学中，生物大分子（如蛋白质、脂肪和碳水化合物）中元素的“原子比”可以影响它们在生物体内的功能和相互作用。同样，在环境科学中，理解污染物的“原子比”可以帮助评估其对生态系统的影响，并制定修复策略。总之，“原子比”是支撑我们对化学和材料科学理解的重要概念。它为物质的组成和行为提供了见解，有助于新材料的设计，并且对于准确的化学分析至关重要。随着我们继续探索物质的复杂性，掌握“原子比”的概念将始终是科学家和工程师的一项关键技能。无论是在实验室还是在实际应用中，“原子比”的影响都是深远而重要的，使其成为科学探究的基石。