mercury column

简明释义

汞柱

英英释义

例句

1.The mercury column 水银柱 in this old thermometer is broken and needs to be replaced.

这个旧温度计中的水银柱坏了，需要更换。

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

气压计中水银柱的高度表示大气压力。

3.During the experiment, we observed the mercury column 水银柱 rising steadily.

在实验过程中，我们观察到水银柱稳步上升。

4.A drop in the mercury column 水银柱 can signify a change in weather conditions.

在水银柱中下降可能意味着天气条件的变化。

5.When calibrating the thermometer, make sure the mercury column 水银柱 is visible and stable.

在校准温度计时，确保水银柱可见且稳定。

作文

The concept of the mercury column is fundamental in understanding how barometers function. A barometer is an instrument used to measure atmospheric pressure, and it typically consists of a glass tube filled with mercury. The mercury column refers to the vertical column of mercury that rises or falls in response to changes in atmospheric pressure. When the air pressure increases, it pushes down on the surface of the mercury in the reservoir, causing the mercury column to rise. Conversely, when the air pressure decreases, the mercury column falls. This movement is crucial for weather forecasting, as changes in atmospheric pressure can indicate approaching storms or fair weather.Understanding the mercury column also involves recognizing the historical significance of mercury in scientific instruments. Before the advent of modern electronic devices, mercury was widely used in various measuring instruments due to its unique properties. It expands and contracts uniformly with temperature changes, making it an ideal liquid for precise measurements. The mercury column in a barometer not only serves a practical purpose but also symbolizes the evolution of scientific measurement techniques over the centuries.In addition to its use in barometers, the mercury column has applications in thermometers as well. In thermometers, the mercury column rises with increasing temperature, providing a visual representation of temperature changes. This dual usage highlights the versatility of mercury as a measuring fluid. However, it is important to note that the use of mercury has decreased significantly due to health and environmental concerns. Many modern devices have replaced mercury with safer alternatives, reflecting a growing awareness of the potential dangers associated with mercury exposure.Despite these advancements, the mercury column remains an important concept in the study of meteorology and physics. Students and scientists alike must understand how the mercury column functions to appreciate the principles behind pressure measurement and the behavior of gases. Furthermore, the mercury column serves as a reminder of the delicate balance between utilizing natural resources for scientific advancement and ensuring the safety and well-being of our environment.In conclusion, the mercury column is more than just a physical phenomenon; it represents a significant aspect of scientific history and development. As we continue to innovate and improve our measurement techniques, understanding the role of the mercury column provides valuable insights into the past while guiding us toward a more sustainable future. Whether in the context of weather forecasting or historical scientific practices, the mercury column remains a vital topic of discussion in both educational and professional settings.

“水银柱”这个概念对于理解气压计的功能至关重要。气压计是一种用于测量大气压力的仪器，通常由一个装满水银的玻璃管组成。“水银柱”指的是在大气压力变化时，上升或下降的水银的垂直柱。当空气压力增加时，它会压迫水银储液槽表面，导致“水银柱”上升。相反，当空气压力降低时，“水银柱”就会下降。这一运动对于天气预报至关重要，因为大气压力的变化可以指示即将到来的风暴或良好的天气。理解“水银柱”还涉及到认识水银在科学仪器中的历史重要性。在现代电子设备出现之前，水银因其独特的属性而广泛用于各种测量仪器。它随着温度变化均匀膨胀和收缩，使其成为精确测量的理想液体。气压计中的“水银柱”不仅具有实用目的，还象征着几个世纪以来科学测量技术的发展。除了在气压计中的应用外，“水银柱”在温度计中也有应用。在温度计中，“水银柱”随着温度的升高而上升，提供了温度变化的可视化表示。这种双重用途突显了水银作为测量液体的多功能性。然而，需要注意的是，由于健康和环境问题，水银的使用显著减少。许多现代设备已用更安全的替代品取代水银，反映出人们日益关注水银暴露可能带来的危险。尽管有这些进步，“水银柱”仍然是气象学和物理学研究中的一个重要概念。学生和科学家都必须理解“水银柱”的功能，以欣赏压力测量的原理及气体的行为。此外，“水银柱”提醒我们，在利用自然资源进行科学进步与确保环境安全和福祉之间保持微妙的平衡。总之，“水银柱”不仅仅是一个物理现象；它代表了科学历史和发展的重要方面。随着我们不断创新和改善测量技术，理解“水银柱”的作用为我们提供了对过去的宝贵见解，同时引导我们走向更加可持续的未来。无论是在天气预报的背景下，还是在历史科学实践中，“水银柱”始终是教育和专业领域讨论的重要主题。