standard pressure

简明释义

标准压力

英英释义

例句

1.The gas cylinder is filled to a standard pressure 标准压力 of 101.3 kPa.

气瓶充满到< span>标准压力 标准压力 101.3千帕。

2.The experiment was conducted at standard pressure 标准压力 to maintain consistency.

实验在< span>标准压力 标准压力下进行，以保持一致性。

3.A standard pressure 标准压力 of 1 atm is commonly used in many scientific calculations.

许多科学计算通常使用< span>标准压力 标准压力 1个大气压。

4.When calibrating the equipment, make sure to use standard pressure 标准压力 for accuracy.

在校准设备时，请确保使用< span>标准压力 标准压力以确保准确性。

5.The boiling point of water changes with standard pressure 标准压力 variations.

水的沸点随< span>标准压力 标准压力 的变化而变化。

作文

In the field of science, especially in chemistry and physics, the concept of standard pressure is crucial for understanding various phenomena. Standard pressure refers to a specific pressure value that is used as a reference point in calculations and experiments. It is typically defined as 1 atmosphere (atm), which is equivalent to 101.3 kilopascals (kPa) or 760 millimeters of mercury (mmHg). This standardization allows scientists to compare results consistently across different studies and applications.One of the primary reasons for using standard pressure is to simplify the analysis of gas behaviors. According to the Ideal Gas Law, which states that PV = nRT (where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature), the relationships between these variables can vary significantly under different pressures. By adopting standard pressure, researchers can create a baseline for their experiments, making it easier to predict how gases will behave under varying conditions.For instance, when conducting an experiment involving gas reactions, knowing that the pressure is at standard pressure allows scientists to apply the Ideal Gas Law effectively. If the pressure deviates from this standard, adjustments must be made to account for the changes in gas behavior. This is particularly important in applications such as chemical manufacturing, where precise measurements are essential for safety and efficiency.Moreover, the use of standard pressure extends beyond laboratory settings. In meteorology, it serves as a benchmark for weather predictions and atmospheric studies. Meteorologists often report atmospheric pressure in relation to standard pressure to convey information about weather systems. For example, when a weather report indicates that the pressure is lower than standard pressure, it usually signifies that a storm is approaching, as low-pressure systems are associated with inclement weather.Furthermore, standard pressure plays a significant role in engineering, particularly in the design of equipment that operates under varying pressure conditions. Engineers must consider standard pressure when designing pressure vessels, pipelines, and other structures to ensure they can withstand expected operational pressures without failure.In conclusion, the concept of standard pressure is fundamental in various scientific and engineering disciplines. Its definition as a reference point enables consistent communication and comparison of results across different fields. Whether in the laboratory, in the atmosphere, or in engineering applications, understanding and utilizing standard pressure is essential for accurate measurements and predictions. As we continue to advance in science and technology, the importance of standardized measurements like standard pressure will only grow, ensuring that we can build on our knowledge and improve our understanding of the natural world.

在科学领域，尤其是化学和物理学中，标准压力的概念对于理解各种现象至关重要。标准压力指的是一个特定的压力值，作为计算和实验中的参考点。它通常被定义为1个大气压（atm），相当于101.3千帕（kPa）或760毫米汞柱（mmHg）。这种标准化使科学家能够在不同的研究和应用之间一致地比较结果。使用标准压力的主要原因之一是简化气体行为的分析。根据理想气体法则，即PV = nRT（其中P是压力，V是体积，n是气体的摩尔数，R是理想气体常数，T是温度），这些变量之间的关系在不同压力下可能会显著变化。通过采用标准压力，研究人员可以为他们的实验创建一个基线，从而更容易预测气体在不同条件下的行为。例如，在进行涉及气体反应的实验时，知道压力处于标准压力下使科学家能够有效地应用理想气体法则。如果压力偏离了这个标准，则必须进行调整以考虑气体行为的变化。这在化学制造等应用中尤为重要，因为精确的测量对安全和效率至关重要。此外，标准压力的使用超出了实验室环境。在气象学中，它作为天气预测和大气研究的基准。气象学家通常将大气压力报告与标准压力进行比较，以传达有关天气系统的信息。例如，当天气报告指出气压低于标准压力时，通常意味着暴风雨即将来临，因为低压系统与恶劣天气相关联。此外，标准压力在工程中也发挥着重要作用，特别是在设计在不同压力条件下运行的设备时。工程师在设计压力容器、管道和其他结构时必须考虑标准压力，以确保它们能够承受预期的操作压力而不发生故障。总之，标准压力的概念在各个科学和工程学科中都是基础的。它作为参考点的定义使得在不同领域之间进行一致的沟通和结果比较成为可能。无论是在实验室、在大气中，还是在工程应用中，理解和使用标准压力对于准确的测量和预测至关重要。随着我们在科学和技术上的不断进步，像标准压力这样的标准化测量的重要性只会增加，确保我们能够在知识的基础上不断发展，改善我们对自然世界的理解。