alcohol lamp

简明释义

酒精灯

英英释义

例句

1.To create a sterile environment, the technician heated the tools using an alcohol lamp.

为了创造无菌环境，技术员使用酒精灯加热工具。

2.In the chemistry lab, we were taught how to safely light an alcohol lamp.

在化学实验室，我们学习了如何安全点燃一个酒精灯。

3.While camping, we used an alcohol lamp to cook our meals.

在露营时，我们用酒精灯来烹饪食物。

4.The scientist used an alcohol lamp to heat the solution during the experiment.

科学家在实验中使用了一个酒精灯来加热溶液。

5.An alcohol lamp is essential for conducting flame tests in the lab.

在实验室进行火焰测试时，酒精灯是必不可少的。

作文

The use of an alcohol lamp in scientific experiments is a common practice that many students encounter during their educational journey. An alcohol lamp is a simple device that consists of a container filled with alcohol, typically ethanol or methanol, and a wick that draws the alcohol up to be ignited. This tool is particularly useful for providing a steady source of heat for various laboratory procedures, making it an essential item in chemistry labs around the world.One of the primary advantages of using an alcohol lamp is its ability to produce a clean flame. Unlike other heat sources, such as Bunsen burners, which can release unwanted gases, an alcohol lamp burns alcohol cleanly, resulting in minimal soot production. This characteristic is especially important when conducting experiments that require a controlled environment, as contaminants can alter the results significantly.In addition to its cleanliness, an alcohol lamp is also quite portable and easy to use. Students can easily transport it from one lab station to another without much hassle. Furthermore, the setup process is straightforward; all one needs to do is fill the lamp with alcohol, insert the wick, and light it. This simplicity allows students to focus on their experiments rather than struggling with complicated equipment.Safety is another critical aspect when using an alcohol lamp. Although it provides a reliable heat source, it is essential to handle it with care. Users should ensure that the lamp is placed on a stable surface away from flammable materials. Additionally, it is crucial to extinguish the flame properly after use and to store the lamp in a safe location to prevent accidents. Educators often emphasize these safety measures to instill a sense of responsibility in students while working in the lab.Moreover, the alcohol lamp serves as an excellent teaching tool. It allows students to observe the principles of combustion and heat transfer in real-time. For example, when heating a substance over the flame of an alcohol lamp, students can witness how different materials react to heat, enhancing their understanding of thermal properties. This hands-on experience is invaluable in reinforcing theoretical concepts learned in class.In conclusion, the alcohol lamp is a vital instrument in scientific education, offering numerous benefits such as a clean flame, portability, and ease of use. While it requires careful handling and respect for safety protocols, the advantages it provides in terms of learning and experimentation are significant. As students continue to explore the world of science, the alcohol lamp will undoubtedly remain an essential part of their laboratory experience, helping to ignite their curiosity and passion for discovery.

在科学实验中使用酒精灯是一种许多学生在教育过程中会遇到的常见做法。酒精灯是一种简单的设备，由装有酒精（通常是乙醇或甲醇）的容器和一根将酒精吸引到点燃的灯芯组成。这个工具特别适合为各种实验室程序提供稳定的热源，使其成为世界各地化学实验室中的必备物品。使用酒精灯的主要优点之一是它能够产生清洁的火焰。与其他热源（如本生灯）不同，后者可能释放出不必要的气体，酒精灯干净地燃烧酒精，导致最小的烟尘产生。这一特性在进行需要控制环境的实验时尤为重要，因为污染物会显著改变结果。除了清洁外，酒精灯还相当便携且易于使用。学生可以轻松地将其从一个实验台运输到另一个实验台，而不会太麻烦。此外，设置过程非常简单；只需将酒精倒入灯中，插入灯芯，然后点燃即可。这种简单性使学生能够专注于他们的实验，而不是在复杂的设备上挣扎。安全性是使用酒精灯时另一个关键方面。尽管它提供了可靠的热源，但处理时必须小心。用户应确保将灯放置在远离易燃材料的稳定表面上。此外，在使用后正确熄灭火焰并将灯存放在安全位置以防止事故也是至关重要的。教育工作者通常强调这些安全措施，以培养学生在实验室工作时的责任感。此外，酒精灯还是一个极好的教学工具。它使学生能够实时观察燃烧和热传递的原理。例如，当在酒精灯的火焰上加热物质时，学生可以见证不同材料对热量的反应，从而增强他们对热属性的理解。这种动手体验在强化课堂上学习的理论概念方面是无价的。总之，酒精灯是科学教育中一项重要的仪器，提供了许多优点，如清洁的火焰、便携性和易用性。虽然它需要小心处理和遵守安全协议，但它在学习和实验中的优势是显著的。随着学生继续探索科学世界，酒精灯无疑将继续作为他们实验室体验的重要组成部分，帮助激发他们的好奇心和探索发现的热情。