Bunsen burner

简明释义

本生灯

英英释义

例句

1.Make sure to adjust the flame of the Bunsen burner before starting the reaction.

在开始反应之前，请确保调整Bunsen burner的火焰。

2.Always keep flammable materials away from the Bunsen burner to prevent accidents.

始终将易燃材料远离Bunsen burner以防止事故发生。

3.We need to connect the gas supply to the Bunsen burner for our experiment.

我们需要将气体供应连接到我们的实验用Bunsen burner。

4.In the chemistry lab, we used the Bunsen burner to heat the solutions for our experiment.

在化学实验室，我们使用Bunsen burner加热溶液进行实验。

5.The teacher demonstrated how to light a Bunsen burner safely.

老师演示了如何安全点燃Bunsen burner。

作文

The Bunsen burner is an essential piece of equipment in many science laboratories around the world. Named after the German chemist Robert Bunsen, this device has been a staple for conducting experiments since its invention in the mid-19th century. A Bunsen burner consists of a metal tube connected to a gas source, which allows for the combustion of gas to produce a controlled flame. This flame can be adjusted in size and intensity, making it incredibly versatile for various scientific applications.In chemistry classes, students often learn how to use a Bunsen burner to heat substances, sterilize equipment, or perform combustion reactions. The flame produced by a Bunsen burner can reach temperatures of over 1,500 degrees Celsius, which is sufficient for melting metals or igniting flammable materials. This high temperature is achieved by mixing natural gas with air, allowing for complete combustion and a hotter flame compared to other heating sources.One of the primary advantages of using a Bunsen burner is the ability to control the flame. By adjusting the air supply through the base of the burner, users can create different types of flames: a yellow, luminous flame which is cooler and used for safety, and a blue, non-luminous flame that is much hotter and more efficient for heating purposes. This flexibility makes the Bunsen burner an indispensable tool in both educational and professional settings.Moreover, the Bunsen burner is not just limited to chemistry. In biology labs, it is commonly used to sterilize inoculating loops and other tools to prevent contamination of cultures. The intense heat from the flame ensures that any unwanted microorganisms are eradicated, thus maintaining the integrity of scientific experiments. However, safety is paramount when using a Bunsen burner. Proper training is necessary to handle it correctly and minimize the risk of accidents. Students are taught to always tie back long hair, wear safety goggles, and ensure that flammable materials are kept away from the flame. Furthermore, it is crucial to understand how to properly ignite and extinguish the flame, as well as how to respond in case of an emergency.In conclusion, the Bunsen burner is more than just a simple piece of laboratory equipment. It represents the intersection of science and safety, providing a reliable source of heat for countless experiments and procedures. As students and professionals alike continue to explore the wonders of chemistry and biology, the Bunsen burner will undoubtedly remain a fundamental tool in their scientific toolkit. Its importance cannot be overstated, as it allows for precise experimentation and contributes significantly to the advancement of scientific knowledge.The legacy of the Bunsen burner continues to thrive in modern laboratories, proving that even the simplest inventions can have a profound impact on the way we conduct scientific research and education. As we move forward, understanding and mastering the use of a Bunsen burner will be vital for future generations of scientists.

Bunsen burner是世界上许多科学实验室中不可或缺的设备。它以德国化学家罗伯特·本生的名字命名，自19世纪中叶发明以来，这种装置已成为进行实验的基础。Bunsen burner由连接到气体源的金属管组成，允许燃烧气体以产生可控的火焰。这种火焰的大小和强度可以调节，使其在各种科学应用中极具多样性。在化学课上，学生们通常学习如何使用Bunsen burner来加热物质、消毒设备或进行燃烧反应。Bunsen burner产生的火焰温度可超过1500摄氏度，足以熔化金属或点燃易燃材料。通过将天然气与空气混合，可以实现完全燃烧，从而产生比其他加热源更热的火焰。使用Bunsen burner的主要优点之一是能够控制火焰。通过调节燃烧器底部的空气供应，用户可以创建不同类型的火焰：一种黄色的发光火焰，较冷且用于安全，另一种蓝色的非发光火焰则热量更高，更有效用于加热目的。这种灵活性使得Bunsen burner在教育和专业环境中成为不可或缺的工具。此外，Bunsen burner不仅限于化学。在生物实验室中，它常用于消毒接种环和其他工具，以防止培养物的污染。火焰产生的强烈热量确保任何不必要的微生物被消灭，从而保持科学实验的完整性。然而，使用Bunsen burner时安全至关重要。正确的培训是处理它的必要条件，以降低事故风险。学生们被教导要始终把长发扎起来，佩戴安全眼镜，并确保易燃材料远离火焰。此外，了解如何正确点燃和熄灭火焰，以及如何在紧急情况下做出反应也至关重要。总之，Bunsen burner不仅仅是一件简单的实验室设备。它代表了科学与安全的交汇，提供了可靠的热源，用于无数实验和程序。随着学生和专业人士继续探索化学和生物的奇迹，Bunsen burner无疑将继续作为他们科学工具包中的基本工具。它的重要性不容小觑，因为它允许精确的实验，并对科学知识的进步贡献巨大。Bunsen burner的遗产在现代实验室中继续蓬勃发展，证明即使是最简单的发明也能对我们进行科学研究和教育的方式产生深远影响。随着我们向前发展，理解和掌握Bunsen burner的使用对于未来一代科学家来说将至关重要。