grams per cubic meter

简明释义

克立方米

英英释义

例句

1.Air has an average density of about 1.225 grams per cubic meter (克每立方米) at sea level.

在海平面，空气的平均密度约为1.225 克每立方米.

2.To calculate the weight of the water, we need to know it is 1000 grams per cubic meter (克每立方米).

要计算水的重量，我们需要知道它是1000 克每立方米.

3.The density of the substance is measured at 500 grams per cubic meter (克每立方米).

该物质的密度测量为500 克每立方米.

4.The concentration of particulate matter in the air was found to be 35 grams per cubic meter (克每立方米).

空气中颗粒物的浓度被发现为35 克每立方米.

5.The laboratory report indicated that the soil had a density of 1200 grams per cubic meter (克每立方米).

实验室报告指出土壤的密度为1200 克每立方米.

作文

Understanding the concept of density is crucial in various scientific fields, including physics, chemistry, and engineering. One of the most common units used to measure density is grams per cubic meter, which can be represented as grams per cubic meter. This unit provides a clear understanding of how much mass is contained within a given volume of a substance. For instance, if we take water as an example, its density is approximately 1000 grams per cubic meter, meaning that one cubic meter of water weighs about 1000 grams. This measurement is essential not only for understanding the properties of water but also for various applications in science and industry.In the field of material science, knowing the density of different materials helps engineers and designers select the appropriate substances for specific applications. For example, metals like aluminum have a density of around 2700 grams per cubic meter, while lead has a much higher density of about 11340 grams per cubic meter. This difference in density affects the weight and strength of structures made from these materials. When designing aircraft, engineers must consider the density of the materials used to ensure that the aircraft is lightweight yet strong enough to withstand the forces it will encounter during flight.Moreover, the concept of grams per cubic meter is not limited to solid materials. It is also applicable to gases and liquids. In the case of air, its density varies with temperature and pressure, typically around 1.225 grams per cubic meter at sea level and at standard conditions. Understanding the density of air is vital for meteorologists and aviation experts, as it influences weather patterns and flight performance. For instance, a decrease in air density at higher altitudes can affect the lift generated by an aircraft's wings, making it crucial for pilots to understand these principles when flying at different elevations.Furthermore, the measurement of density in grams per cubic meter is also significant in environmental science. Scientists often measure the density of pollutants in water or air to assess the level of contamination. For example, if a certain pollutant is found to have a density of 800 grams per cubic meter, it can indicate how much of that substance is present in a given volume of air or water, helping authorities take necessary actions to mitigate pollution.In conclusion, the unit of grams per cubic meter is a fundamental measurement that plays a vital role in various disciplines. Whether it's in material selection for engineering projects, understanding the behavior of gases and liquids, or assessing environmental impacts, this unit allows scientists and professionals to quantify and compare the densities of different substances effectively. By grasping the significance of grams per cubic meter, individuals can better appreciate the complexities of the physical world around them and make informed decisions based on scientific principles.

理解密度的概念在物理、化学和工程等多个科学领域中至关重要。测量密度最常用的单位之一是每立方米克（grams per cubic meter），这个单位清晰地表明了特定体积内含有多少质量。例如，以水为例，其密度大约为1000 grams per cubic meter，这意味着一立方米的水重约1000克。这个测量不仅对理解水的性质至关重要，而且在科学和工业的各种应用中也是如此。在材料科学领域，了解不同材料的密度有助于工程师和设计师为特定应用选择合适的物质。例如，铝的密度约为2700 grams per cubic meter，而铅的密度则高得多，约为11340 grams per cubic meter。这种密度差异影响了由这些材料制成的结构的重量和强度。在设计飞机时，工程师必须考虑所用材料的密度，以确保飞机既轻便又足够坚固，可以承受飞行过程中遇到的力量。此外，grams per cubic meter的概念并不限于固体材料，它也适用于气体和液体。在空气的情况下，其密度随温度和压力而变化，通常在海平面和标准条件下约为1.225 grams per cubic meter。理解空气的密度对气象学家和航空专家至关重要，因为它影响天气模式和飞行性能。例如，高海拔地区空气密度的降低会影响飞机机翼产生的升力，因此飞行员在不同高度飞行时理解这些原理至关重要。此外，环境科学中对grams per cubic meter的测量也很重要。科学家们常常测量水或空气中污染物的密度，以评估污染水平。例如，如果发现某种污染物的密度为800 grams per cubic meter，这可能表明该物质在一定体积的空气或水中存在的浓度，从而帮助当局采取必要措施来减轻污染。总之，grams per cubic meter这一单位是一个基本的测量，在多个学科中发挥着重要作用。无论是在工程项目的材料选择、理解气体和液体的行为，还是评估环境影响，这个单位使科学家和专业人员能够有效地量化和比较不同物质的密度。通过掌握grams per cubic meter的重要性，个人可以更好地欣赏周围物理世界的复杂性，并根据科学原理做出明智的决策。