mercury column

简明释义

汞柱

英英释义

例句

1.The mercury column 汞柱 is a crucial component in traditional barometers.

在传统气压计中，汞柱是一个关键组成部分。

2.The height of the mercury column 汞柱 in the barometer indicates atmospheric pressure.

气压计中汞柱的高度表示大气压力。

3.The scientist observed the mercury column 汞柱 to determine the changes in weather patterns.

科学家观察汞柱以确定天气模式的变化。

4.As the temperature drops, the mercury column 汞柱 in the thermometer falls.

当温度下降时，温度计中的汞柱下降。

5.To measure the pressure accurately, ensure that the mercury column 汞柱 is free of bubbles.

为了准确测量压力，确保汞柱没有气泡。

作文

The history of science is filled with fascinating inventions and discoveries that have shaped our understanding of the world. One such invention is the barometer, a device used to measure atmospheric pressure. At the heart of many traditional barometers lies the mercury column, a critical component that enables accurate readings of air pressure. Understanding the mercury column is essential for grasping how barometers work and their importance in meteorology.The mercury column is essentially a tube filled with mercury, a dense liquid metal. In a typical barometer, this tube is inverted in a basin of mercury. When the atmospheric pressure changes, it exerts force on the surface of the mercury in the basin, causing the mercury in the tube to rise or fall. This change in height is what is measured and interpreted as atmospheric pressure. The mercury column can provide precise measurements because mercury is much denser than water, allowing for a shorter column to represent the same pressure.Historically, the use of mercury in barometers dates back to the 17th century when scientists like Evangelista Torricelli first developed the concept. Torricelli’s work laid the foundation for modern barometric pressure measurement. The mercury column became a standard in meteorological instruments due to its reliability and accuracy.However, while the mercury column has played a crucial role in scientific advancements, it is also important to consider the environmental and health risks associated with mercury. Mercury is toxic, and exposure can lead to severe health issues. Consequently, many modern barometers now use alternative fluids, such as alcohol or digital sensors, to avoid these risks. Despite this shift, the mercury column remains a significant part of scientific history and serves as a reminder of the balance between innovation and safety in scientific practices.In conclusion, the mercury column is more than just a simple tube filled with mercury; it represents a pivotal development in our ability to measure and understand atmospheric pressure. As we continue to advance in technology and science, it is essential to remember the lessons learned from the past. The mercury column not only highlights the ingenuity of early scientists but also prompts us to consider the implications of using hazardous materials in our quest for knowledge. Through understanding the mercury column, we gain insight into both the achievements and challenges of scientific progress.

科学史上充满了迷人的发明和发现，这些发明和发现塑造了我们对世界的理解。其中一个这样的发明是气压计，这是一种用于测量大气压力的设备。许多传统气压计的核心部分是水银柱，这是一个关键组件，使得对空气压力的准确读数成为可能。理解水银柱对于掌握气压计的工作原理及其在气象学中的重要性至关重要。水银柱本质上是一个装满水银的管子，这是一种密度很大的液态金属。在典型的气压计中，这个管子倒置在一个水银的盆中。当大气压力变化时，它会对盆中水银的表面施加力，导致管中的水银上升或下降。这一高度的变化就是我们所测量和解释为大气压力的内容。水银柱能够提供精确的测量，因为水银的密度远大于水，因此可以用较短的柱子来表示相同的压力。历史上，水银在气压计中的使用可以追溯到17世纪，当时科学家如埃万杰利斯塔·托里拆利首次开发了这一概念。托里拆利的工作为现代气压测量奠定了基础。由于其可靠性和准确性，水银柱成为气象仪器的标准。然而，尽管水银柱在科学进步中发挥了重要作用，但考虑与水银相关的环境和健康风险也很重要。水银是有毒的，接触可以导致严重的健康问题。因此，许多现代气压计现在使用替代流体，如酒精或数字传感器，以避免这些风险。尽管发生了这种变化，水银柱仍然是科学历史的重要组成部分，并提醒我们在科学实践中创新与安全之间的平衡。总之，水银柱不仅仅是一个充满水银的简单管子；它代表了我们测量和理解大气压力能力的一个关键发展。随着我们在技术和科学上的不断进步，重要的是要记住从过去学到的教训。水银柱不仅突显了早期科学家的聪明才智，还促使我们考虑在追求知识过程中使用危险材料的影响。通过理解水银柱，我们获得了对科学进步成就和挑战的深刻见解。