absolute atmospheric pressure

简明释义

绝对大气压

英英释义

例句

1.In vacuum systems, maintaining a low absolute atmospheric pressure 绝对大气压 is essential for proper operation.

在真空系统中，维持低绝对大气压 absolute atmospheric pressure 对于正常运行至关重要。

2.The absolute atmospheric pressure 绝对大气压 at sea level is approximately 101.3 kPa.

海平面的绝对大气压 absolute atmospheric pressure 约为 101.3 kPa。

3.In high-altitude climbing, understanding the absolute atmospheric pressure 绝对大气压 is crucial for safety.

在高山攀登中，了解绝对大气压 absolute atmospheric pressure 对安全至关重要。

4.Meteorologists use absolute atmospheric pressure 绝对大气压 readings to predict weather changes.

气象学家使用绝对大气压 absolute atmospheric pressure 读数来预测天气变化。

5.The absolute atmospheric pressure 绝对大气压 can affect the boiling point of water.

绝对大气压 absolute atmospheric pressure 会影响水的沸点。

作文

Understanding the concept of absolute atmospheric pressure is crucial in various scientific fields, including meteorology, engineering, and aviation. Absolute atmospheric pressure refers to the total pressure exerted by the weight of the atmosphere at a given point, measured relative to a perfect vacuum. This measurement is vital because it helps scientists and engineers determine how air behaves under different conditions, which is essential for predicting weather patterns, designing aircraft, and even calculating the performance of engines.In meteorology, for instance, absolute atmospheric pressure plays a significant role in weather forecasting. Meteorologists use barometers to measure atmospheric pressure, and this data helps them understand the current state of the atmosphere. High-pressure systems generally indicate clear skies and stable weather, while low-pressure systems can lead to storms and precipitation. By analyzing changes in absolute atmospheric pressure, meteorologists can predict weather changes and issue warnings for severe weather events.In engineering, particularly in fluid dynamics, understanding absolute atmospheric pressure is essential when designing systems that involve gases and liquids. For example, when engineers design pipelines or ventilation systems, they must account for the absolute atmospheric pressure to ensure that the systems operate efficiently. If the pressure inside a pipeline drops below the absolute atmospheric pressure, it can lead to cavitation, which can damage equipment and reduce efficiency.Aviation is another field where absolute atmospheric pressure is of utmost importance. Aircraft altimeters, which measure altitude, rely on the principle of absolute atmospheric pressure. As an aircraft ascends, the absolute atmospheric pressure decreases, and the altimeter calculates altitude based on this change. Pilots must understand how absolute atmospheric pressure affects their aircraft’s performance, as it influences lift, engine performance, and fuel efficiency. Incorrect readings can lead to dangerous situations, such as flying at an inappropriate altitude or misjudging landing distances.Moreover, absolute atmospheric pressure is also vital in scientific research. In laboratories, experiments often require controlled environments where pressure is a critical factor. Researchers may need to create a vacuum or maintain a specific absolute atmospheric pressure to study the behavior of materials or chemical reactions accurately. Understanding how absolute atmospheric pressure interacts with various substances allows scientists to draw reliable conclusions from their experiments.In summary, the concept of absolute atmospheric pressure is fundamental across multiple disciplines. Its implications span from predicting weather patterns to ensuring the safety and efficiency of engineering systems and aviation operations. A thorough understanding of absolute atmospheric pressure enables professionals in these fields to make informed decisions and advance their respective areas of study. As we continue to explore our atmosphere and its effects on our planet, the significance of absolute atmospheric pressure will only grow, highlighting the need for ongoing education and research in this essential area of science.

理解绝对大气压力的概念在气象学、工程学和航空等多个科学领域中至关重要。绝对大气压力指的是在给定点上，由大气重量施加的总压力，相对于完美真空进行测量。这一测量至关重要，因为它帮助科学家和工程师确定空气在不同条件下的行为，这对于预测天气模式、设计飞机，甚至计算发动机的性能都是必不可少的。例如，在气象学中，绝对大气压力在天气预报中发挥着重要作用。气象学家使用气压计来测量大气压力，这些数据帮助他们了解大气的当前状态。高压系统通常表示晴朗的天空和稳定的天气，而低压系统则可能导致暴风雨和降水。通过分析绝对大气压力的变化，气象学家可以预测天气变化并发布严重天气事件的警告。在工程学中，特别是在流体动力学中，理解绝对大气压力在设计涉及气体和液体的系统时至关重要。例如，当工程师设计管道或通风系统时，他们必须考虑绝对大气压力以确保系统有效运行。如果管道内的压力低于绝对大气压力，可能会导致气蚀，从而损坏设备并降低效率。航空是另一个绝对大气压力至关重要的领域。飞机高度表依赖于绝对大气压力的原理来测量高度。当飞机升空时，绝对大气压力下降，而高度表根据这种变化计算高度。飞行员必须理解绝对大气压力如何影响飞机的性能，因为它影响升力、发动机性能和燃油效率。错误的读数可能导致危险情况，例如在不适当的高度飞行或误判着陆距离。此外，绝对大气压力在科学研究中也至关重要。在实验室中，实验通常需要控制环境，其中压力是一个关键因素。研究人员可能需要创建真空或维持特定的绝对大气压力以准确研究材料或化学反应的行为。理解绝对大气压力如何与各种物质相互作用使科学家能够从实验中得出可靠的结论。总之，绝对大气压力的概念在多个学科中是基础性的。它的影响从预测天气模式到确保工程系统和航空操作的安全与效率。对绝对大气压力的透彻理解使这些领域的专业人士能够做出明智的决策，并推动各自研究领域的发展。随着我们继续探索大气及其对我们星球的影响，绝对大气压力的重要性只会增加，这突显了在这一基本科学领域持续教育和研究的必要性。