chemical stability

简明释义

化学稳定性

英英释义

例句

1.The researcher tested the chemical stability of the new compound under various temperatures.

研究人员在不同温度下测试了新化合物的化学稳定性。

2.Understanding the chemical stability of pharmaceuticals is essential for their shelf life.

了解药物的化学稳定性对其保质期至关重要。

3.The engineers had to ensure the chemical stability of the materials used in construction.

工程师们必须确保建筑材料的化学稳定性。

4.The chemical stability of the paint affects its durability and resistance to fading.

涂料的化学稳定性影响其耐用性和抗褪色能力。

5.In the lab, we observed that the chemical stability of the solution decreased over time.

在实验室中，我们观察到溶液的化学稳定性随时间下降。

作文

Chemical stability is a fundamental concept in chemistry that refers to the ability of a substance to maintain its chemical identity and properties over time. This stability is crucial for various applications, from pharmaceuticals to materials science. When a compound exhibits chemical stability (化学稳定性), it means that it does not easily undergo chemical reactions that would alter its structure or composition. For instance, noble gases like helium and neon are known for their chemical stability (化学稳定性) because they have complete electron shells, making them less reactive compared to other elements. In contrast, substances that lack chemical stability (化学稳定性) may decompose or react with other chemicals, which can lead to hazardous situations. For example, hydrogen peroxide is relatively unstable and can break down into water and oxygen over time, especially when exposed to light or heat. Understanding the factors that contribute to chemical stability (化学稳定性) is essential for chemists who aim to create safe and effective products. Several factors influence the chemical stability (化学稳定性) of a compound, including temperature, pressure, and the presence of catalysts or inhibitors. High temperatures can accelerate chemical reactions, leading to decreased stability. Similarly, certain pressures can either enhance or diminish the stability of a substance. For instance, increasing pressure might stabilize some gases but destabilize others, which is vital in industrial processes. Moreover, the molecular structure of a compound plays a significant role in determining its chemical stability (化学稳定性). Compounds with strong covalent bonds tend to be more stable than those with weaker bonds. Additionally, the presence of functional groups can affect reactivity; for example, compounds containing double bonds are generally more reactive than those with single bonds. In practical applications, ensuring chemical stability (化学稳定性) is vital in the formulation of drugs. Pharmaceuticals must remain stable under various conditions to ensure efficacy and safety for patients. For this reason, extensive testing is conducted to assess the chemical stability (化学稳定性) of drug compounds during storage and use. In conclusion, chemical stability (化学稳定性) is a critical aspect of chemistry that affects both the theoretical understanding of substances and their practical applications. By studying the factors that contribute to chemical stability (化学稳定性), scientists can develop safer and more effective materials, paving the way for advancements in technology and medicine. Understanding this concept not only enhances our knowledge of chemical reactions but also ensures the safe handling and usage of various chemicals in everyday life.

化学稳定性是化学中的一个基本概念，指的是物质在时间上保持其化学身份和性质的能力。这种稳定性对于药物、材料科学等多个应用至关重要。当一个化合物表现出化学稳定性时，这意味着它不会轻易经历会改变其结构或成分的化学反应。例如，氦和氖等惰性气体因其具有完整的电子壳层而被认为具有化学稳定性，使它们相较于其他元素不那么活泼。相反，缺乏化学稳定性的物质可能会分解或与其他化学物质反应，这可能导致危险的情况。例如，过氧化氢相对不稳定，尤其是在暴露于光或热时，随着时间的推移，它会分解为水和氧。理解影响化学稳定性的因素对于化学家创造安全有效的产品至关重要。多种因素会影响化合物的化学稳定性，包括温度、压力以及催化剂或抑制剂的存在。高温可以加速化学反应，从而降低稳定性。同样，某些压力可以增强或减弱物质的稳定性。例如，增加压力可能会稳定一些气体，但会使其他气体不稳定，这在工业过程中至关重要。此外，化合物的分子结构在决定其化学稳定性方面也起着重要作用。具有强共价键的化合物通常比那些具有较弱键的化合物更稳定。此外，功能团的存在会影响反应性；例如，含有双键的化合物通常比含有单键的化合物更具反应性。在实际应用中，确保化学稳定性在药物配方中至关重要。药物必须在各种条件下保持稳定，以确保其对患者的有效性和安全性。因此，进行广泛的测试以评估药物化合物在储存和使用过程中的化学稳定性。总之，化学稳定性是化学中的一个关键方面，影响着对物质的理论理解及其实际应用。通过研究影响化学稳定性的因素，科学家可以开发出更安全、更有效的材料，为技术和医学的进步铺平道路。理解这一概念不仅增强了我们对化学反应的知识，还确保了日常生活中各种化学品的安全处理和使用。