Bunsen burner

简明释义

1. 本生灯; 2. 喷灯;

英英释义

例句

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

老师演示了如何安全点燃Bunsen burner。

2.Make sure to adjust the flame of the Bunsen burner before starting your experiment.

在开始实验之前，请确保调整Bunsen burner的火焰。

3.We need to clean the Bunsen burner after each use to avoid contamination.

我们需要在每次使用后清洁Bunsen burner以避免污染。

4.In the chemistry lab, we used a Bunsen burner to heat the solution until it boiled.

在化学实验室，我们使用Bunsen burner加热溶液，直到它沸腾。

5.During the lab session, I accidentally knocked over the Bunsen burner.

在实验课上，我不小心撞倒了Bunsen burner。

作文

The classroom was buzzing with excitement as we prepared for our first chemistry experiment. Our teacher, Mr. Johnson, stood at the front of the room, explaining the importance of safety in the laboratory. He emphasized that understanding the tools we use is crucial for conducting experiments successfully. One of the most essential pieces of equipment in any chemistry lab is the Bunsen burner.本生灯 This simple yet effective device allows us to heat substances quickly and efficiently, making it a staple in scientific research and education.As Mr. Johnson demonstrated how to use the Bunsen burner, I couldn't help but feel a sense of anticipation. The Bunsen burner consists of a metal base, a gas inlet, and an adjustable air supply, which allows us to control the flame's intensity. By mixing gas with air, we can create a hot and steady flame that is perfect for heating liquids in beakers or flasks. The blue flame, which indicates complete combustion, is particularly useful for our experiments, as it provides consistent heat without producing soot.In our first experiment, we were tasked with heating a small amount of water in a beaker using the Bunsen burner. I carefully followed Mr. Johnson's instructions, ensuring that the gas was turned off before connecting the gas line to the Bunsen burner. Once everything was set up, I lit the flame with a striker, watching as the blue fire danced gracefully atop the metal tube. It was mesmerizing to see how the flame could be adjusted by turning the air supply valve, allowing me to create a hotter or cooler flame depending on my needs.As I heated the water, I reflected on the significance of the Bunsen burner in scientific experiments. It is not just a tool for heating; it symbolizes the spirit of inquiry and discovery that drives scientists to explore the unknown. The ability to manipulate heat allows us to conduct various experiments, from simple boiling tests to complex chemical reactions. Each time I use the Bunsen burner, I am reminded of the countless discoveries made possible through the careful application of heat in the laboratory.After the experiment, I felt a sense of accomplishment. I had successfully used the Bunsen burner to heat water, and I was eager to learn more about its applications in different experiments. My classmates shared their experiences, discussing how they would use the Bunsen burner for future projects, such as melting substances or conducting titrations.In conclusion, the Bunsen burner is more than just a piece of laboratory equipment; it is a gateway to understanding the principles of chemistry and the world around us. As I continue my studies, I look forward to using the Bunsen burner in various experiments, knowing that each flame represents an opportunity to learn and discover something new. The excitement of scientific exploration is ignited every time I approach the Bunsen burner, and I can't wait to see where this journey will take me next.

教室里充满了兴奋的气氛，因为我们准备进行第一次化学实验。我们的老师约翰逊先生站在教室前面，讲解实验室安全的重要性。他强调，理解我们使用的工具对于成功进行实验至关重要。在任何化学实验室中，最基本的设备之一就是Bunsen burner。本生灯这个简单而有效的设备使我们能够快速、高效地加热物质，使其成为科学研究和教育中的主力工具。当约翰逊先生演示如何使用Bunsen burner时，我不禁感到一阵期待。Bunsen burner由金属底座、气体进气口和可调空气供应组成，这使我们能够控制火焰的强度。通过将气体与空气混合，我们可以创造出一个热而稳定的火焰，非常适合加热烧杯或瓶子中的液体。蓝色火焰表明完全燃烧，尤其适合我们的实验，因为它提供了一种一致的热量，而不会产生烟灰。在我们的第一次实验中，我们被要求使用Bunsen burner加热一小杯水。我仔细遵循约翰逊先生的指示，确保在将气体管连接到Bunsen burner之前关闭气体。一切准备就绪后，我用打火器点燃了火焰，看着蓝色的火焰优雅地在金属管上舞动。看到火焰可以通过旋转空气供应阀来调整，我感到很着迷，这让我能够根据需要创造出更热或更冷的火焰。当我加热水时，我思考着Bunsen burner在科学实验中的重要性。它不仅仅是加热的工具；它象征着推动科学家探索未知的探究和发现的精神。操控热量的能力使我们能够进行各种实验，从简单的沸腾测试到复杂的化学反应。每次我使用Bunsen burner时，我都会想起通过在实验室中小心应用热量而实现的无数发现。实验结束后，我感到一种成就感。我成功地使用Bunsen burner加热了水，并渴望了解更多关于其在不同实验中的应用。我的同学们分享了他们的经历，讨论他们将如何在未来的项目中使用Bunsen burner，例如熔化物质或进行滴定。总之，Bunsen burner不仅仅是一件实验室设备；它是理解化学原理和周围世界的一个入口。随着我继续学习，我期待在各种实验中使用Bunsen burner，知道每一束火焰代表着学习和发现新事物的机会。每次我接近Bunsen burner时，科学探索的兴奋感都被点燃，我迫不及待想看看这段旅程将把我带向何方。