absolute pressure

简明释义

1. 绝对压力; 2. 绝对压强;

英英释义

例句

1.The absolute pressure 绝对压力 at sea level is approximately 101.3 kPa.

海平面的绝对压力约为101.3千帕。

2.The tire pressure gauge shows the absolute pressure 绝对压力 in psi.

轮胎压力计显示的压力是以psi为单位的绝对压力。

3.The absolute pressure 绝对压力 in the vacuum chamber was measured to be very low.

真空室内的绝对压力测量值非常低。

4.In the lab, we need to measure the absolute pressure 绝对压力 of the gas in the chamber.

在实验室中，我们需要测量气室内的绝对压力。

5.To calculate the absolute pressure 绝对压力, you must add atmospheric pressure to gauge pressure.

要计算绝对压力，必须将大气压力与表压相加。

作文

Understanding the concept of absolute pressure is essential in various fields, including physics, engineering, and meteorology. Absolute pressure is defined as the total pressure exerted on a system, measured relative to a perfect vacuum. This means that it includes the atmospheric pressure in addition to any gauge pressure that may be present. In simpler terms, absolute pressure provides a complete picture of the pressure conditions affecting a particular environment or system.In everyday life, we often encounter situations where understanding absolute pressure can be crucial. For instance, when we think about weather patterns, meteorologists rely on absolute pressure readings to predict changes in weather. High-pressure systems are usually associated with clear skies, while low-pressure systems can lead to storms and precipitation. By measuring the absolute pressure at different altitudes, scientists can better understand how air masses interact and how weather fronts develop.In engineering, particularly in fields like aerospace and fluid dynamics, absolute pressure plays a significant role in ensuring safety and efficiency. For example, when designing aircraft, engineers must take into account the absolute pressure at various altitudes to ensure that the cabin pressure remains comfortable for passengers. If the absolute pressure inside the cabin drops too low, it can lead to hypoxia, a dangerous condition caused by insufficient oxygen levels.Moreover, in the oil and gas industry, absolute pressure is critical for drilling operations. Engineers must monitor the absolute pressure of reservoirs to determine the viability of extraction methods. Knowing the absolute pressure helps them to assess whether they can safely drill into a reservoir without causing a blowout, which is an uncontrolled release of crude oil or natural gas from a well.The importance of absolute pressure extends beyond technical fields; it also has implications in scientific research. For instance, laboratories conducting experiments under controlled conditions must maintain specific absolute pressure levels to ensure accurate results. Variations in absolute pressure can affect chemical reactions, biological processes, and physical phenomena, leading to potentially erroneous conclusions.In summary, the term absolute pressure refers to the total pressure exerted on a system, taking into account both atmospheric pressure and any additional pressure. It is a fundamental concept that influences various aspects of our daily lives, from weather forecasting to engineering applications and scientific research. Understanding absolute pressure allows us to make informed decisions in both professional and personal contexts, highlighting its significance in our modern world.

理解绝对压力的概念在物理学、工程学和气象学等多个领域中至关重要。绝对压力被定义为施加在系统上的总压力，相对于完美真空进行测量。这意味着它包括大气压力以及可能存在的任何表压。简单来说，绝对压力提供了影响特定环境或系统的压力条件的完整图景。在日常生活中，我们经常遇到理解绝对压力至关重要的情况。例如，当我们考虑天气模式时，气象学家依赖于绝对压力读数来预测天气变化。高压系统通常与晴朗的天空相关，而低压系统则可能导致暴风雨和降水。通过测量不同高度的绝对压力，科学家可以更好地理解气团如何相互作用以及天气前线是如何发展的。在工程领域，尤其是在航空航天和流体动力学等领域，绝对压力在确保安全性和效率方面发挥着重要作用。例如，在设计飞机时，工程师必须考虑不同高度的绝对压力以确保机舱压力保持在乘客舒适的范围内。如果机舱内的绝对压力下降得太低，可能会导致缺氧，这是一种由于氧气水平不足而引发的危险情况。此外，在石油和天然气行业，绝对压力对钻探作业至关重要。工程师必须监测储层的绝对压力以确定提取方法的可行性。了解绝对压力有助于他们评估是否可以安全地钻入储层而不会导致井喷，即原油或天然气从井口不受控制地释放。绝对压力的重要性不仅限于技术领域；它在科学研究中也有影响。例如，在受控条件下进行实验的实验室必须维持特定的绝对压力水平，以确保结果的准确性。绝对压力的变化可能会影响化学反应、生物过程和物理现象，从而导致潜在的错误结论。总之，术语绝对压力指的是施加在系统上的总压力，同时考虑了大气压力和任何额外压力。这是一个基本概念，影响我们日常生活的各个方面，从天气预报到工程应用和科学研究。理解绝对压力使我们能够在专业和个人环境中做出明智的决策，突显其在现代世界中的重要性。