chemical composition

简明释义

化学成分

英英释义

例句

1.The scientist analyzed the chemical composition of the soil to determine its fertility.

科学家分析了土壤的化学成分以确定其肥力。

2.Different types of steel have varying chemical compositions that affect their strength.

不同类型的钢具有不同的化学成分，这会影响它们的强度。

3.The chemical composition of water is H2O, consisting of two hydrogen atoms and one oxygen atom.

水的化学成分是H2O，由两个氢原子和一个氧原子组成。

4.The lab report detailed the chemical composition of the unknown sample.

实验室报告详细说明了未知样品的化学成分。

5.Understanding the chemical composition of a substance is crucial in material science.

理解物质的化学成分在材料科学中至关重要。

作文

The study of materials and substances is fundamental to various scientific fields, including chemistry, biology, and materials science. One of the key concepts in these disciplines is the chemical composition, which refers to the arrangement, type, and ratio of atoms in a given substance. Understanding the chemical composition of materials is essential for predicting their properties and behaviors under different conditions.For example, in the field of chemistry, the chemical composition of a compound determines its reactivity and stability. A simple molecule like water (H2O) has a specific chemical composition that allows it to exist in liquid form at room temperature, while other compounds with different chemical compositions may be gases or solids under the same conditions. This illustrates how the chemical composition directly influences the physical state of a substance.In biology, the chemical composition of cells and tissues is crucial for understanding life processes. For instance, proteins, which are made up of amino acids, have unique chemical compositions that determine their structure and function. Enzymes, which are biological catalysts, rely on their chemical composition to facilitate biochemical reactions necessary for life. By studying the chemical composition of biological molecules, scientists can gain insights into metabolism, genetics, and disease mechanisms.Materials science also heavily relies on the chemical composition of substances. Engineers and researchers analyze the chemical composition of materials to create stronger, lighter, and more durable products. For example, the development of advanced alloys and composites involves manipulating the chemical composition to enhance properties such as tensile strength, corrosion resistance, and thermal stability. The ability to tailor the chemical composition of materials opens up new possibilities in technology and engineering.Moreover, environmental science examines the chemical composition of pollutants and natural resources. Understanding the chemical composition of air, water, and soil is vital for assessing environmental health and developing strategies for pollution control. For instance, analyzing the chemical composition of heavy metals in contaminated water sources can help identify sources of pollution and inform remediation efforts.In conclusion, the concept of chemical composition is integral to multiple scientific disciplines. It serves as the foundation for understanding the behavior of substances in various contexts, from chemical reactions to biological functions and material properties. By exploring the chemical composition of different materials, scientists and engineers can innovate and address challenges across diverse fields. As we continue to advance our knowledge of chemical composition, we unlock new potentials for research and development, ultimately improving our quality of life and understanding of the world around us.

材料和物质的研究是化学、生物学和材料科学等多个科学领域的基础。这个学科中的一个关键概念是化学成分，它指的是给定物质中原子的排列、类型和比例。理解材料的化学成分对于预测它们在不同条件下的性质和行为至关重要。例如，在化学领域，化合物的化学成分决定了它的反应性和稳定性。像水（H2O）这样简单的分子具有特定的化学成分，使其在室温下以液态存在，而其他具有不同化学成分的化合物在相同条件下可能是气体或固体。这说明了化学成分直接影响物质的物理状态。在生物学中，细胞和组织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，具有独特的化学成分，决定其结构和功能。酶作为生物催化剂，依赖于其化学成分来促进生命所需的生化反应。通过研究生物分子的化学成分，科学家可以深入了解代谢、遗传和疾病机制。材料科学也极大地依赖于物质的化学成分。工程师和研究人员分析材料的化学成分，以创造更强、更轻和更耐用的产品。例如，先进合金和复合材料的发展涉及操控化学成分，以增强抗拉强度、耐腐蚀性和热稳定性。能够定制材料的化学成分为技术和工程开辟了新的可能性。此外，环境科学研究污染物和自然资源的化学成分。理解空气、水和土壤的化学成分对于评估环境健康和制定污染控制策略至关重要。例如，分析受污染水源中重金属的化学成分可以帮助识别污染源并告知修复工作。总之，化学成分的概念是多个科学学科的核心。它为理解物质在各种背景下的行为奠定了基础，从化学反应到生物功能和材料属性。通过探索不同材料的化学成分，科学家和工程师可以创新并解决各个领域的挑战。随着我们对化学成分知识的不断深入，我们解锁了研究和开发的新潜力，最终改善我们的生活质量和对周围世界的理解。