expansion thermometer

简明释义

膨胀式温度计

英英释义

例句

1.The expansion thermometer uses the principle of thermal expansion to provide temperature readings.

膨胀温度计利用热膨胀原理提供温度读数。

2.The laboratory used an expansion thermometer to measure the boiling point of various liquids.

实验室使用膨胀温度计来测量各种液体的沸点。

3.To ensure accurate readings, the expansion thermometer must be calibrated regularly.

为了确保读数准确，膨胀温度计必须定期校准。

4.In the old days, people relied on an expansion thermometer for weather predictions.

在过去，人们依赖膨胀温度计进行天气预测。

5.An expansion thermometer is often used in educational settings to teach students about thermal expansion.

膨胀温度计常用于教育环境中，教学生关于热膨胀的知识。

作文

An expansion thermometer is a device that measures temperature by utilizing the principle of thermal expansion. This type of thermometer operates on the basic idea that most materials expand when heated and contract when cooled. The expansion thermometer typically consists of a sealed glass tube filled with a liquid, such as mercury or colored alcohol, which expands and rises in the tube as the temperature increases. This simple yet effective mechanism has been used for centuries and remains a fundamental tool in both scientific and everyday applications.The history of the expansion thermometer dates back to the early 17th century, when scientists began to explore the relationship between temperature and the physical properties of materials. One of the earliest forms of this device was created by Galileo Galilei, who designed a rudimentary thermometer that relied on the expansion of air. However, it was not until the invention of mercury thermometers in the 18th century that the expansion thermometer gained widespread use due to its accuracy and reliability.In modern times, the expansion thermometer is commonly found in various settings, from laboratories to households. It is particularly useful in situations where precise temperature readings are required, such as in scientific experiments or cooking. For example, chefs often rely on expansion thermometers to ensure that their dishes are cooked to the perfect temperature, enhancing both flavor and safety.Despite the advent of digital thermometers, the expansion thermometer still holds significant value. One reason for its continued popularity is its simplicity. Unlike digital devices that require batteries and can malfunction, the expansion thermometer operates without any electronic components, making it durable and easy to use. Furthermore, the clear markings on the glass tube allow for quick and straightforward readings, which is essential in many practical applications.Another advantage of the expansion thermometer is its ability to measure a wide range of temperatures. Depending on the liquid used, these thermometers can function in extreme conditions, from sub-zero temperatures to those exceeding boiling points. This versatility makes them suitable for various fields, including meteorology, engineering, and even medicine.However, there are some limitations to the expansion thermometer that users should be aware of. For instance, the use of mercury, while effective, poses environmental and health risks. As a result, many manufacturers have shifted towards using alcohol-based thermometers, which are safer alternatives. Additionally, the response time of an expansion thermometer can be slower compared to digital models, as it takes time for the liquid to expand or contract in response to temperature changes.In conclusion, the expansion thermometer is a remarkable instrument that has stood the test of time. Its reliance on the principles of thermal expansion allows for accurate and reliable temperature measurements across various applications. While advancements in technology have introduced new types of thermometers, the expansion thermometer remains a staple due to its simplicity, durability, and effectiveness. Understanding how this device works and its practical uses can enhance our appreciation for the science of temperature measurement and its impact on our daily lives.

扩张温度计是一种通过利用热膨胀原理来测量温度的设备。这种类型的温度计的基本原理是：大多数材料在加热时会膨胀，而在冷却时会收缩。扩张温度计通常由一个密封的玻璃管组成，里面充满了液体，如汞或彩色酒精，随着温度的升高，液体膨胀并在管中上升。这种简单而有效的机制已经使用了几个世纪，并且仍然是科学和日常应用中的基本工具。扩张温度计的历史可以追溯到17世纪初，当时科学家们开始探索温度与材料物理特性之间的关系。这种设备的最早形式之一是伽利略·伽利莱设计的，他设计了一种依赖空气膨胀的原始温度计。然而，直到18世纪汞温度计的发明，扩张温度计才因其准确性和可靠性而广泛使用。在现代，扩张温度计常见于各种场合，从实验室到家庭。在需要精确温度读数的情况下，它特别有用，例如在科学实验或烹饪中。例如，厨师们常常依赖扩张温度计来确保他们的菜肴在完美的温度下烹饪，从而增强风味和安全性。尽管数字温度计的出现，扩张温度计仍然具有重要价值。其持续受欢迎的一个原因是其简单性。与需要电池并可能出现故障的数字设备不同，扩张温度计不需要任何电子组件，因此更耐用且易于使用。此外，玻璃管上的清晰标记允许快速和简便的读数，这在许多实际应用中至关重要。扩张温度计的另一个优点是它能够测量广泛的温度范围。根据所用液体的不同，这些温度计可以在极端条件下工作，从零下温度到超过沸点的温度。这种多功能性使它们适用于气象学、工程甚至医学等多个领域。然而，用户应注意扩张温度计的一些局限性。例如，汞的使用虽然有效，但对环境和健康构成风险。因此，许多制造商已转向使用基于酒精的温度计，这是一种更安全的替代品。此外，扩张温度计的响应时间可能比数字模型慢，因为液体膨胀或收缩以响应温度变化需要时间。总之，扩张温度计是一种了不起的仪器，经过时间的考验。它依靠热膨胀原理，使得在各种应用中进行准确可靠的温度测量成为可能。虽然技术进步引入了新型温度计，但由于其简单性、耐用性和有效性，扩张温度计仍然是一个基础工具。理解这种设备的工作原理及其实际用途，可以增强我们对温度测量科学及其对我们日常生活影响的欣赏。