chemical composition

简明释义

化学组成

英英释义

例句

1.The chemical composition of the new alloy was tested to ensure it meets industry standards.

新合金的化学成分经过测试，以确保其符合行业标准。

2.Understanding the chemical composition of soil can help farmers improve crop yields.

了解土壤的化学成分可以帮助农民提高作物产量。

3.Scientists analyze the chemical composition of air to monitor pollution levels.

科学家分析空气的化学成分以监测污染水平。

4.The chemical composition of a substance determines its properties and behavior in different environments.

物质的化学成分决定了其在不同环境中的性质和行为。

5.The chemical composition of water is H2O, which means it consists of two hydrogen atoms and one oxygen atom.

水的化学成分是H2O，这意味着它由两个氢原子和一个氧原子组成。

作文

Understanding the concept of chemical composition is essential in various fields, including chemistry, biology, and environmental science. The term chemical composition refers to the specific arrangement and types of atoms that make up a substance. This can include elements, compounds, and mixtures. For instance, water (H2O) has a distinct chemical composition consisting of two hydrogen atoms and one oxygen atom. Knowing the chemical composition of a substance allows scientists to predict its behavior and interactions with other substances.In chemistry, the chemical composition is crucial for understanding reactions. When substances react, they undergo changes in their chemical composition. For example, when iron rusts, it reacts with oxygen in the presence of moisture to form iron oxide. This change in chemical composition results in the visible rust we see on metal surfaces. Understanding these changes helps chemists develop new materials and improve existing ones.In biology, the chemical composition of living organisms is fundamental to understanding life processes. For example, proteins are made up of amino acids, which are themselves composed of various elements such as carbon, hydrogen, oxygen, and nitrogen. The specific chemical composition of proteins determines their function within an organism. Enzymes, which are proteins that catalyze biochemical reactions, have unique chemical compositions that enable them to perform their specific tasks efficiently.Environmental science also relies heavily on the concept of chemical composition. The chemical composition of pollutants can help scientists understand their impact on ecosystems. For instance, the chemical composition of carbon dioxide (CO2) differs from that of methane (CH4), leading to different effects on climate change. By analyzing the chemical composition of these gases, researchers can develop strategies to mitigate their harmful effects on the environment.Moreover, the chemical composition of materials plays a significant role in industries such as pharmaceuticals, where the efficacy of a drug often depends on its chemical composition. Pharmaceutical companies invest considerable resources in determining the optimal chemical composition of their products to ensure safety and effectiveness. This process involves rigorous testing and analysis to ensure that the intended chemical composition delivers the desired therapeutic effects without adverse reactions.In conclusion, the significance of chemical composition extends across multiple disciplines. Whether in understanding chemical reactions, biological functions, environmental impacts, or industrial applications, the chemical composition serves as a foundational concept that informs our knowledge and practices. As we continue to explore the intricacies of matter and its interactions, a firm grasp of chemical composition will remain indispensable for advancing science and technology.

理解化学成分的概念在化学、生物学和环境科学等多个领域中都是至关重要的。术语化学成分指的是构成物质的原子的特定排列和类型。这可以包括元素、化合物和混合物。例如，水（H2O）具有独特的化学成分，由两个氢原子和一个氧原子组成。了解物质的化学成分可以让科学家预测其行为及与其他物质的相互作用。在化学中，化学成分对于理解反应至关重要。当物质发生反应时，它们的化学成分会发生变化。例如，当铁生锈时，它在潮湿的条件下与氧气反应，形成氧化铁。这种化学成分的变化导致我们在金属表面看到的可见锈蚀。了解这些变化有助于化学家开发新材料并改善现有材料。在生物学中，生物体的化学成分对于理解生命过程至关重要。例如，蛋白质由氨基酸组成，而氨基酸本身由碳、氢、氧和氮等多种元素构成。蛋白质的特定化学成分决定了它们在生物体内的功能。催化生化反应的酶是蛋白质，其独特的化学成分使其能够高效地执行特定任务。环境科学也在很大程度上依赖于化学成分的概念。污染物的化学成分可以帮助科学家理解其对生态系统的影响。例如，二氧化碳（CO2）的化学成分与甲烷（CH4）不同，从而对气候变化产生不同的影响。通过分析这些气体的化学成分，研究人员可以制定减轻其对环境危害影响的策略。此外，材料的化学成分在制药等行业中也发挥着重要作用，药物的有效性往往取决于其化学成分。制药公司在确定其产品的最佳化学成分方面投入了大量资源，以确保安全性和有效性。这个过程涉及严格的测试和分析，以确保所需的化学成分能够在不产生不良反应的情况下实现预期的治疗效果。总之，化学成分的重要性跨越多个学科。无论是在理解化学反应、生物功能、环境影响还是工业应用方面，化学成分都是一个基础概念，指导着我们的知识和实践。随着我们继续探索物质及其相互作用的复杂性，对化学成分的牢固掌握将始终是推动科学和技术进步的不可或缺的要素。