centimeter mercury column

简明释义

厘米汞柱

英英释义

例句

1.A typical blood pressure reading might be expressed as 120 over 80 centimeter mercury column.

典型的血压读数可能表示为120对80厘米汞柱。

2.The weather station reported a drop in pressure to 70 centimeter mercury column before the storm.

气象站报告称，暴风雨前气压下降至70厘米汞柱。

3.The atmospheric pressure today is measured at 76 centimeter mercury column.

今天的气压测量为76厘米汞柱。

4.To convert pressure from Pascal to centimeter mercury column, use the conversion factor.

要将压力从帕斯卡转换为厘米汞柱，请使用转换因子。

5.In the lab, we calibrate the barometer to read 0 centimeter mercury column at sea level.

在实验室，我们将气压计校准为海平面时读数为0厘米汞柱。

作文

Understanding the concept of pressure is essential in various scientific fields, including physics, engineering, and meteorology. One common unit of measurement for pressure is the centimeter mercury column, which is often abbreviated as cmHg. This unit originates from the way pressure is measured using a mercury barometer, where the height of a column of mercury is used to indicate the atmospheric pressure acting on it. The centimeter mercury column represents the height of this column in centimeters, providing a direct correlation between the weight of the mercury and the pressure exerted by the atmosphere. To elaborate further, a standard atmospheric pressure at sea level is defined as 760 mmHg, which is equivalent to 76 cmHg. This means that at sea level, the weight of the air above us exerts enough force to support a column of mercury that is 76 centimeters high. The centimeter mercury column is particularly useful in scientific experiments and applications where precise measurements of pressure are required. For instance, in laboratory settings, scientists may use devices that measure pressure in terms of centimeter mercury column to ensure accuracy in their experiments.In addition to its applications in laboratories, the centimeter mercury column is also significant in meteorology. Weather forecasts often rely on barometric pressure readings to predict changes in weather patterns. By monitoring the centimeter mercury column values, meteorologists can determine whether a high-pressure system or a low-pressure system is moving into an area, which can greatly influence weather conditions. For example, a rising centimeter mercury column typically indicates improving weather, while a falling column suggests that a storm might be approaching.Moreover, the centimeter mercury column is not limited to atmospheric studies; it is also relevant in medical fields. Blood pressure is sometimes measured in mmHg, and understanding this measurement can help healthcare professionals diagnose and manage various health conditions. For instance, a blood pressure reading of 120/80 mmHg can also be expressed as 12.0/8.0 cmHg, illustrating how the centimeter mercury column can translate into different contexts.In conclusion, the centimeter mercury column is more than just a unit of measurement; it serves as a crucial tool across various disciplines. Whether in the lab, out in the field of meteorology, or in the medical arena, understanding how to interpret and utilize the centimeter mercury column can lead to better insights and advancements in our understanding of pressure and its effects on the world around us. As we continue to explore and learn about pressure, the significance of the centimeter mercury column will undoubtedly remain a fundamental aspect of scientific inquiry and application.

理解压力的概念在物理学、工程学和气象学等多个科学领域中至关重要。一个常用的压力测量单位是厘米汞柱，通常缩写为cmHg。这个单位源于使用水银气压计测量压力的方法，其中水银柱的高度用于指示作用在其上的大气压力。厘米汞柱表示这个柱子的高度，以厘米为单位，提供了水银的重量与大气施加的压力之间的直接关联。进一步阐述，海平面上的标准大气压力被定义为760 mmHg，相当于76 cmHg。这意味着，在海平面上，空气的重量足以支撑一根高达76厘米的水银柱。厘米汞柱在科学实验和需要精确压力测量的应用中尤其有用。例如，在实验室环境中，科学家可能会使用以厘米汞柱为单位测量压力的设备，以确保实验的准确性。除了在实验室的应用之外，厘米汞柱在气象学中也具有重要意义。天气预报通常依赖气压读数来预测天气模式的变化。通过监测厘米汞柱的值，气象学家可以判断高压系统或低压系统是否正在进入某个区域，这可以极大地影响天气条件。例如，厘米汞柱的上升通常表明天气好转，而下降则表明可能有风暴来临。此外，厘米汞柱不仅限于大气研究；它在医学领域也相关。血压有时以mmHg为单位进行测量，理解这一测量可以帮助医疗专业人员诊断和管理各种健康状况。例如，血压读数为120/80 mmHg，也可以表示为12.0/8.0 cmHg，说明厘米汞柱如何转换为不同的背景。总之，厘米汞柱不仅仅是一个测量单位；它在各个学科中都是一个关键工具。无论是在实验室、气象学领域，还是在医疗领域，理解如何解释和利用厘米汞柱可以带来更好的洞察力和对我们周围世界压力及其影响的进步理解。随着我们继续探索和学习压力，厘米汞柱的重要性无疑将成为科学研究和应用的基础方面。