standard pressure

简明释义

标准压

英英释义

例句

1.When calibrating instruments, it is crucial to set them to standard pressure (标准压力) for accurate readings.

在校准仪器时，设置为标准压力 (标准压力) 对于准确读数至关重要。

2.In scientific experiments, gases are often measured at standard pressure (标准压力) to ensure consistency.

在科学实验中，气体通常在标准压力 (标准压力)下测量，以确保一致性。

3.Engine performance is often tested under standard pressure (标准压力) conditions to evaluate efficiency.

发动机性能通常在标准压力 (标准压力) 条件下进行测试，以评估效率。

4.The standard pressure (标准压力) for most laboratory settings is defined as 1 atmosphere.

大多数实验室环境的标准压力 (标准压力) 定义为1个大气压。

5.The standard pressure (标准压力) is essential in thermodynamics for calculating various properties of gases.

在热力学中，标准压力 (标准压力) 对于计算气体的各种性质至关重要。

作文

In the field of science and engineering, various standards are established to ensure consistency and reliability in measurements. One such standard is the concept of standard pressure, which refers to a specific pressure value used as a reference point in numerous calculations and experiments. The standard pressure is typically defined as 101.325 kilopascals (kPa), equivalent to 1 atmosphere (atm) or 760 millimeters of mercury (mmHg). This value is crucial for scientists and engineers when they need to compare results or conduct experiments under controlled conditions.Understanding the importance of standard pressure is essential for anyone involved in scientific research or engineering projects. For instance, when measuring the boiling point of water, it is vital to consider the standard pressure because the boiling point can vary significantly with changes in atmospheric pressure. At standard pressure, water boils at 100 degrees Celsius, but at higher altitudes where the pressure is lower, water boils at a lower temperature. This phenomenon illustrates how standard pressure serves as a foundational concept in thermodynamics and physical chemistry.Moreover, the application of standard pressure extends beyond just boiling points. In gas laws, such as Boyle's Law and Charles's Law, standard pressure provides a benchmark for understanding the behavior of gases under different conditions. Boyle's Law states that the pressure of a gas is inversely proportional to its volume when temperature is held constant. By using standard pressure as a reference, scientists can predict how gases will behave when subjected to varying pressures and volumes, which is fundamental in fields like meteorology and aviation.In engineering, standard pressure is also vital for designing systems that involve fluid dynamics. For example, when engineers design pipelines or pressure vessels, they must account for standard pressure to ensure that these structures can withstand the forces exerted by fluids. Failure to consider standard pressure could lead to catastrophic failures, resulting in safety hazards and financial losses.In conclusion, the concept of standard pressure plays a pivotal role in various scientific and engineering disciplines. It acts as a reference point that allows for accurate measurements and comparisons across different experiments and applications. Whether it is in understanding the behavior of gases, determining boiling points, or designing safe engineering structures, standard pressure is an indispensable element. As we continue to explore the intricacies of the natural world, the significance of standard pressure will undoubtedly remain a cornerstone of scientific inquiry and practical application.

在科学和工程领域，为确保测量的一致性和可靠性，建立了各种标准。其中一个标准是标准压力的概念，它指的是用于众多计算和实验的参考点的特定压力值。标准压力通常定义为101.325千帕（kPa），相当于1个大气压（atm）或760毫米汞柱（mmHg）。这个值对于科学家和工程师在需要比较结果或在受控条件下进行实验时至关重要。理解标准压力的重要性对于任何参与科学研究或工程项目的人来说都是必不可少的。例如，在测量水的沸点时，考虑标准压力是至关重要的，因为沸点会随着大气压力的变化而显著变化。在标准压力下，水在100摄氏度时沸腾，但在压力较低的高海拔地区，水在较低的温度下沸腾。这一现象说明了标准压力在热力学和物理化学中的基础性概念。此外，标准压力的应用不仅限于沸点。在气体法则中，例如波义耳定律和查尔斯定律，标准压力提供了理解气体在不同条件下行为的基准。波义耳定律指出，当温度保持不变时，气体的压力与其体积成反比。通过使用标准压力作为参考，科学家可以预测气体在不同压力和体积下的行为，这在气象学和航空领域是基础性的。在工程学中，标准压力对涉及流体动力学的系统设计也至关重要。例如，当工程师设计管道或压力容器时，必须考虑标准压力以确保这些结构能够承受流体施加的力量。如果未能考虑标准压力，可能会导致灾难性的故障，造成安全隐患和经济损失。总之，标准压力的概念在各种科学和工程学科中发挥着关键作用。它作为一个参考点，使得在不同实验和应用之间进行准确的测量和比较成为可能。无论是在理解气体行为、确定沸点，还是设计安全的工程结构方面，标准压力都是不可或缺的元素。随着我们继续探索自然世界的复杂性，标准压力的重要性无疑将继续作为科学探究和实际应用的基石。