electric calorimeter

简明释义

电量热器

英英释义

例句

1.We observed that the electric calorimeter showed a significant temperature change during the experiment.

我们观察到在实验过程中，电热量计显示出显著的温度变化。

2.To determine the specific heat capacity of the substance, an electric calorimeter is essential.

为了确定物质的比热容，使用电热量计是必不可少的。

3.In the lab, we calibrate the electric calorimeter before conducting any experiments.

在实验室，我们在进行任何实验之前对电热量计进行校准。

4.The electric calorimeter provides accurate measurements for both solid and liquid samples.

该电热量计为固体和液体样品提供准确的测量。

5.The scientist used an electric calorimeter to measure the heat generated during the chemical reaction.

科学家使用电热量计来测量化学反应过程中产生的热量。

作文

The study of thermodynamics is an essential part of physics that deals with heat and temperature, and one of the key tools used in this field is the electric calorimeter. An electric calorimeter (电热量计) is an instrument used to measure the amount of heat involved in chemical reactions or physical changes. It operates on the principle of measuring the heat exchanged with the surroundings, allowing scientists to quantify thermal energy transfers accurately.In practical applications, an electric calorimeter can be utilized in various fields such as chemistry, biology, and even food science. For instance, when conducting experiments to determine the heat of reaction for a specific chemical process, researchers will often use an electric calorimeter to ensure precise measurements. By monitoring the temperature changes in a controlled environment, they can calculate the heat produced or absorbed during the reaction.The design of an electric calorimeter typically includes a sensitive thermometer, a sample holder, and an electrical heating element. The thermometer measures the temperature of the substance being tested, while the heating element allows for controlled heating of the sample. This setup helps in achieving accurate readings that are crucial for scientific research.One significant advantage of using an electric calorimeter is its ability to provide quick results. Traditional methods of measuring heat transfer, such as using water baths or manual calorimetry, can be time-consuming and prone to human error. In contrast, an electric calorimeter automates much of the process, reducing the potential for mistakes and enabling researchers to focus more on analyzing their data rather than on the experimental setup.Moreover, advancements in technology have led to the development of more sophisticated electric calorimeters that can perform real-time data analysis. These modern instruments often come equipped with digital displays and software that allow for immediate interpretation of results. This feature is particularly beneficial in educational settings, where students can engage with the data directly and understand the principles of thermodynamics in a hands-on manner.In conclusion, the electric calorimeter (电热量计) is a vital tool in the realm of thermal measurements. Its efficiency, accuracy, and ease of use make it indispensable for researchers across various scientific disciplines. As we continue to explore the intricate relationships between heat, energy, and matter, the electric calorimeter will undoubtedly remain a cornerstone of experimental investigation, paving the way for new discoveries and innovations in science.