physical property

简明释义

物理性质

英英释义

A characteristic of a substance that can be observed or measured without changing the substance's chemical identity.

一种物质的特性,可以在不改变其化学性质的情况下观察或测量。

例句

1.The hardness of a mineral is a physical property that determines its resistance to scratching.

矿物的硬度是一种物理性质,决定了它对划伤的抵抗力。

2.The melting point is an important physical property of a substance that indicates the temperature at which it changes from solid to liquid.

熔点是物质的重要物理性质,指的是它从固体变为液体的温度。

3.The physical property of color can tell us a lot about the chemical composition of a mineral.

颜色的物理性质可以告诉我们很多关于矿物化学成分的信息。

4.Density is a key physical property that helps identify materials by comparing their mass and volume.

密度是一个关键的物理性质,通过比较材料的质量和体积来帮助识别材料。

5.Thermal conductivity is a physical property that measures how well a material can conduct heat.

热导率是一种物理性质,测量材料导热的能力。

作文

Understanding the concept of physical property is essential in the field of science, especially in chemistry and physics. A physical property refers to any characteristic of a substance that can be observed or measured without changing the substance's chemical identity. This includes attributes such as color, density, boiling point, melting point, and conductivity. These properties are crucial for identifying substances and predicting their behavior in different environments.For instance, when we consider water, its physical properties include its clear appearance, a boiling point of 100 degrees Celsius at standard atmospheric pressure, and a density of 1 gram per cubic centimeter at 4 degrees Celsius. These physical properties allow scientists and engineers to understand how water interacts with other materials and under various conditions. Analyzing these properties is vital for applications ranging from designing safe drinking water systems to understanding weather patterns.Moreover, physical properties are not limited to just liquids. Solids and gases also exhibit various physical properties. For example, metals like copper have high thermal and electrical conductivity, making them ideal for wiring and plumbing. On the other hand, non-metals such as sulfur are brittle and insulators. By examining the physical properties of different materials, we can determine their suitability for specific applications in industries ranging from construction to electronics.In addition to practical applications, physical properties play a significant role in scientific research. Researchers often rely on these properties to classify substances and to understand their interactions. For example, the physical properties of a new compound can provide insights into its potential uses and risks. If a substance has a low boiling point, it may evaporate quickly, which could be a concern in terms of safety and environmental impact.Furthermore, the study of physical properties extends beyond traditional science. In fields such as material science and nanotechnology, understanding the physical properties of materials at the atomic or molecular level can lead to innovations in product design and functionality. For example, researchers are exploring how altering the physical properties of materials at the nanoscale can result in stronger, lighter, and more durable products.In conclusion, a comprehensive understanding of physical properties is vital across various scientific disciplines. These properties not only help in identifying and categorizing substances but also play a crucial role in real-world applications and advancements in technology. As we continue to explore and innovate, the significance of physical properties will undoubtedly grow, further emphasizing the importance of this fundamental concept in science. Thus, whether in a laboratory setting or in everyday life, recognizing and utilizing physical properties can lead to better decision-making and innovative solutions to complex problems.

理解物理性质的概念在科学领域,尤其是在化学和物理学中至关重要。物理性质是指任何可以观察或测量的物质特征,而不改变物质的化学身份。这包括颜色、密度、沸点、熔点和导电性等属性。这些属性对于识别物质和预测它们在不同环境中的行为至关重要。例如,当我们考虑水时,其物理性质包括清澈的外观、在标准大气压下的沸点为100摄氏度,以及在4摄氏度时的密度为1克每立方厘米。这些物理性质使科学家和工程师能够理解水与其他材料之间的相互作用以及在各种条件下的表现。分析这些属性对于从设计安全饮用水系统到理解天气模式等应用至关重要。此外,物理性质不仅限于液体。固体和气体也表现出各种物理性质。例如,铜等金属具有高热导率和电导率,使其成为电线和管道的理想材料。另一方面,硫等非金属则脆且绝缘。通过检查不同材料的物理性质,我们可以确定它们在建筑和电子等行业中特定应用的适用性。除了实际应用,物理性质在科学研究中也发挥着重要作用。研究人员通常依赖这些属性来对物质进行分类并了解它们的相互作用。例如,一种新化合物的物理性质可以提供关于其潜在用途和风险的见解。如果一种物质的沸点较低,它可能会迅速蒸发,这可能在安全和环境影响方面引起关注。此外,物理性质的研究超越了传统科学。在材料科学和纳米技术等领域,理解材料在原子或分子水平上的物理性质可以导致产品设计和功能的创新。例如,研究人员正在探索如何改变材料在纳米尺度上的物理性质以产生更强、更轻和更耐用的产品。总之,全面理解物理性质在各个科学学科中至关重要。这些属性不仅有助于识别和分类物质,还在实际应用和技术进步中发挥着关键作用。随着我们继续探索和创新,物理性质的重要性无疑会增加,进一步强调这一基本概念在科学中的重要性。因此,无论是在实验室环境中还是在日常生活中,认识和利用物理性质都可以带来更好的决策和对复杂问题的创新解决方案。

相关单词

physical

physical详解:怎么读、什么意思、用法