standard temperature and pressure

简明释义

标准温度压力

英英释义

例句

1.In chemistry, reactions are often measured under standard temperature and pressure (标准温度和压力) for consistency.

在化学中，反应通常在标准温度和压力（标准温度和压力）下测量以保持一致性。

2.The standard temperature and pressure (标准温度和压力) is defined as 0 degrees Celsius and 1 atmosphere.

标准温度和压力（标准温度和压力）定义为0摄氏度和1个大气压。

3.When reporting gas volumes, scientists use standard temperature and pressure (标准温度和压力) to ensure comparability.

科学家在报告气体体积时使用标准温度和压力（标准温度和压力）以确保可比性。

4.Engineers must consider standard temperature and pressure (标准温度和压力) when designing systems that involve gases.

工程师在设计涉及气体的系统时必须考虑标准温度和压力（标准温度和压力）。

5.The volume of a gas can be calculated using the ideal gas law at standard temperature and pressure (标准温度和压力).

气体的体积可以在标准温度和压力（标准温度和压力）下使用理想气体定律计算。

作文

In the field of chemistry and physics, understanding the concept of standard temperature and pressure is crucial for accurate measurements and calculations. Standard temperature and pressure (often abbreviated as STP) refers to a specific set of conditions that scientists use as a reference point when conducting experiments or comparing data. By defining standard temperature and pressure, researchers can ensure consistency and reliability in their results, which is essential for scientific progress.The standard conditions are typically defined as a temperature of 0 degrees Celsius (273.15 Kelvin) and a pressure of 1 atmosphere (101.325 kPa). These values are not arbitrary; they have been established based on the behavior of gases under ideal conditions. For instance, at standard temperature and pressure, one mole of an ideal gas occupies a volume of 22.4 liters. This relationship is fundamental in stoichiometry and helps chemists calculate the amounts of reactants and products in chemical reactions.When scientists report their findings, they often specify whether the measurements were taken at standard temperature and pressure. This practice allows others in the scientific community to replicate experiments or compare results accurately. Without this standardization, variations in temperature and pressure could lead to significant discrepancies in data, making it difficult to draw meaningful conclusions.Moreover, the concept of standard temperature and pressure extends beyond laboratory settings. It is also important in various industrial applications, such as the production of gases and the design of equipment that operates under specific atmospheric conditions. Engineers must consider standard temperature and pressure when designing systems that involve gas flow, as deviations from these standards can affect efficiency and safety.In summary, the significance of standard temperature and pressure in scientific research and industry cannot be overstated. It provides a common framework for understanding and comparing physical phenomena. By adhering to these standard conditions, scientists and engineers can communicate their findings more effectively and ensure that their work contributes to the larger body of knowledge in their fields. As we continue to explore the complexities of the natural world, the role of standard temperature and pressure will remain a foundational element in our pursuit of understanding and innovation.

在化学和物理学领域，理解标准温度和压力的概念对于准确的测量和计算至关重要。标准温度和压力（通常缩写为STP）是指科学家在进行实验或比较数据时使用的一组特定条件。通过定义标准温度和压力，研究人员可以确保结果的一致性和可靠性，这对科学进步是必不可少的。标准条件通常被定义为0摄氏度（273.15开尔文）的温度和1个大气压（101.325千帕）的压力。这些数值并非随意选择；它们是基于气体在理想条件下行为的基础上建立的。例如，在标准温度和压力下，一个摩尔的理想气体占据22.4升的体积。这一关系在化学计量学中是基础，有助于化学家计算化学反应中反应物和产物的数量。当科学家报告他们的发现时，他们常常会说明测量是否是在标准温度和压力下进行的。这种做法使得科学界的其他人能够准确地复制实验或比较结果。如果没有这种标准化，温度和压力的变化可能导致数据的显著差异，使得得出有意义的结论变得困难。此外，标准温度和压力的概念还超越了实验室环境。它在各种工业应用中也很重要，例如气体的生产和在特定大气条件下运行的设备的设计。工程师在设计涉及气体流动的系统时必须考虑标准温度和压力，因为偏离这些标准可能会影响效率和安全。总之，标准温度和压力在科学研究和工业中的重要性不容小觑。它提供了一个共同的框架，用于理解和比较物理现象。通过遵循这些标准条件，科学家和工程师可以更有效地交流他们的发现，并确保他们的工作为其领域的知识体系作出贡献。随着我们继续探索自然世界的复杂性，标准温度和压力的作用将始终是我们追求理解和创新的基础要素。