specific gravity

简明释义

比重

英英释义

例句

1.The specific gravity 比重 of metals can indicate their purity and quality.

金属的比重可以指示其纯度和质量。

2.In geology, the specific gravity 比重 of minerals helps identify them.

在地质学中，矿物的比重有助于识别它们。

3.Hydrometers measure the specific gravity 比重 of liquids to determine their concentration.

比重计测量液体的比重以确定其浓度。

4.To determine if an object will float, you can compare its specific gravity 比重 to that of water.

要确定一个物体是否会漂浮，你可以将其比重与水的进行比较。

5.The specific gravity 比重 of water is 1, which means it is the reference point for measuring other substances.

水的比重为1，这意味着它是测量其他物质的参考点。

作文

Specific gravity is a term commonly used in the fields of physics and engineering to describe the density of a substance compared to the density of water. It is defined as the ratio of the density of a material to the density of a reference substance, typically water at 4 degrees Celsius, where it reaches its maximum density. The concept of specific gravity (比重) is essential for understanding various physical properties of materials, as it provides insight into how heavy or light a substance is relative to water.In practical applications, specific gravity (比重) plays a crucial role in determining whether an object will float or sink when placed in water. For example, if a material has a specific gravity (比重) less than 1, it will float, while if it is greater than 1, it will sink. This principle is not only fundamental in physics but also has real-world implications in industries such as construction, manufacturing, and environmental science.One area where specific gravity (比重) is particularly important is in the field of geology. Geologists use the specific gravity (比重) of minerals to help identify them and understand their properties. Each mineral has a characteristic specific gravity (比重), which can be measured and compared to known values. This information can assist geologists in determining the composition of rocks and the processes that formed them.Moreover, in the field of chemistry, specific gravity (比重) is utilized to calculate concentrations of solutions. When mixing chemicals, knowing the specific gravity (比重) allows chemists to accurately measure how much of a substance is needed to achieve a desired concentration. This is particularly useful in laboratory settings where precision is critical.In the medical field, specific gravity (比重) is often measured in urine tests to assess a patient’s hydration level and kidney function. A normal range for urine specific gravity (比重) is typically between 1.005 and 1.030. Values outside this range can indicate various health issues, making it a valuable diagnostic tool.Understanding specific gravity (比重) is not just limited to scientific fields; it is also relevant in everyday life. For instance, when cooking, the specific gravity (比重) of ingredients can affect the texture and consistency of a dish. Knowing the specific gravity (比重) of liquids can help chefs achieve the perfect balance in sauces and dressings.In conclusion, the concept of specific gravity (比重) is a fundamental aspect of understanding the physical properties of materials. Its applications span across various fields, from geology to medicine and everyday cooking. By grasping the significance of specific gravity (比重), one can gain deeper insights into the behavior of substances and make informed decisions based on their properties. Whether in a laboratory, a construction site, or the kitchen, specific gravity (比重) remains a vital concept that enhances our comprehension of the world around us.

比重是一个常用于物理学和工程学领域的术语，用于描述一种物质的密度与水的密度相比。它被定义为材料的密度与参考物质的密度的比率，通常是水在4摄氏度时的密度，此时水的密度达到最大。比重的概念对于理解材料的各种物理特性至关重要，因为它提供了关于一种物质相对于水的重量或轻量的见解。在实际应用中，比重在确定物体放入水中时是否会漂浮或下沉方面起着关键作用。例如，如果一种材料的比重小于1，它将漂浮；如果大于1，它将下沉。这一原理不仅是物理学的基础，而且在建筑、制造和环境科学等行业具有现实意义。在地质学领域，比重尤其重要。地质学家使用矿物的比重来帮助识别它们并理解其特性。每种矿物都有一个特征性的比重，可以测量并与已知值进行比较。这些信息可以帮助地质学家确定岩石的组成以及形成它们的过程。此外，在化学领域，比重被用于计算溶液的浓度。在混合化学品时，了解比重可以让化学家准确测量所需的物质，以达到所需的浓度。这在实验室环境中尤为有用，因为精确度至关重要。在医学领域，比重通常在尿液测试中测量，以评估患者的水合水平和肾功能。正常范围的尿液比重通常在1.005到1.030之间。超出此范围的值可能表明各种健康问题，使其成为一种有价值的诊断工具。理解比重不仅限于科学领域；它在日常生活中也相关。例如，在烹饪时，成分的比重会影响菜肴的质地和稠度。了解液体的比重可以帮助厨师在酱汁和调料中实现完美的平衡。总之，比重的概念是理解材料物理特性的基本方面。它的应用跨越多个领域，从地质学到医学再到日常烹饪。通过掌握比重的重要性，人们可以更深入地了解物质的行为，并根据其特性做出明智的决策。无论是在实验室、建筑工地还是厨房，比重仍然是一个关键概念，增强了我们对周围世界的理解。