chemical composition

简明释义

化学组成

英英释义

例句

1.Researchers are studying the chemical composition of various plastics to find more sustainable options.

研究人员正在研究各种塑料的化学成分以寻找更可持续的选择。

2.The scientist analyzed the chemical composition of the soil to determine its nutrient levels.

科学家分析了土壤的化学成分以确定其营养水平。

3.Understanding the chemical composition of a drug is crucial for its effectiveness.

理解药物的化学成分对其有效性至关重要。

4.The chemical composition of the water indicates it is safe for drinking.

水的化学成分表明它是安全的饮用水。

5.The chemical composition of the atmosphere affects climate change significantly.

大气的化学成分对气候变化有显著影响。

作文

The study of materials is a fundamental aspect of science, and one of the key concepts within this field is the chemical composition. The chemical composition refers to the arrangement, type, and ratio of atoms in a substance. Understanding the chemical composition of a material is crucial for various applications, from developing new pharmaceuticals to creating advanced materials for technology. For instance, the chemical composition of a drug determines its efficacy and safety, making it essential for pharmaceutical companies to analyze it meticulously. In everyday life, we encounter many substances whose chemical composition affects their properties. Take water, for example; its chemical composition of two hydrogen atoms bonded to one oxygen atom (H2O) gives it unique characteristics such as being a universal solvent and having a high specific heat capacity. These properties are vital for supporting life on Earth. Similarly, the chemical composition of different food items influences their nutritional value and flavor. Understanding these compositions helps consumers make informed dietary choices.In environmental science, the chemical composition of pollutants plays a significant role in assessing their impact on ecosystems. By analyzing the chemical composition of substances found in air, water, and soil, scientists can determine their toxicity and potential harm to both human health and wildlife. This knowledge is critical in developing strategies to mitigate pollution and protect our environment.Moreover, in the field of materials science, researchers are constantly exploring new alloys and composites with specific chemical composition to enhance performance in various applications. For example, the chemical composition of steel can be altered by adding elements like chromium or nickel, resulting in stainless steel, which is resistant to corrosion. Such advancements have led to innovations in construction, transportation, and manufacturing.In conclusion, the chemical composition is a vital concept that permeates various fields of study and aspects of life. Whether in medicine, nutrition, environmental science, or materials engineering, understanding the chemical composition of substances allows us to harness their properties effectively and responsibly. As we continue to explore the complexities of matter, the significance of chemical composition will undoubtedly remain at the forefront of scientific inquiry and practical application.

材料的研究是科学的一个基本方面，而这个领域中的一个关键概念就是化学成分。化学成分是指物质中原子的排列、类型和比例。理解材料的化学成分对于各种应用至关重要，从开发新药物到创造先进的技术材料。例如，药物的化学成分决定了其有效性和安全性，因此制药公司必须仔细分析它。在日常生活中，我们遇到许多物质，其化学成分影响着它们的性质。以水为例；它的化学成分是两个氢原子与一个氧原子结合（H2O），赋予它独特的特性，如成为通用溶剂和具有高比热容。这些特性对于支持地球上的生命至关重要。同样，不同食物的化学成分影响其营养价值和风味。了解这些成分有助于消费者做出明智的饮食选择。在环境科学中，污染物的化学成分在评估其对生态系统的影响中发挥着重要作用。通过分析空气、水和土壤中发现的物质的化学成分，科学家可以确定其毒性及对人类健康和野生动物的潜在危害。这一知识对于制定减轻污染和保护环境的策略至关重要。此外，在材料科学领域，研究人员不断探索具有特定化学成分的新合金和复合材料，以增强各种应用中的性能。例如，通过添加铬或镍等元素，可以改变钢的化学成分，从而产生耐腐蚀的不锈钢。这些进步推动了建筑、运输和制造业的创新。总之，化学成分是一个重要的概念，渗透到各个研究领域和生活的各个方面。无论是在医学、营养、环境科学还是材料工程中，理解物质的化学成分使我们能够有效和负责任地利用它们的特性。随着我们继续探索物质的复杂性，化学成分的重要性无疑将始终处于科学探究和实际应用的前沿。