glass rod

简明释义

玻璃棒

英英释义

例句

1.He carefully heated the end of the glass rod before bending it into shape.

他小心地加热玻璃棒的末端，然后将其弯曲成形。

2.The glass rod was used to create a beautiful glass sculpture.

这根玻璃棒被用来制作一个美丽的玻璃雕塑。

3.She dropped the glass rod and it shattered on the floor.

她把玻璃棒掉在地上，结果摔碎了。

4.In the lab, a glass rod is essential for mixing different substances without contamination.

在实验室中，玻璃棒是混合不同物质而不污染的必需品。

5.The scientist used a glass rod to stir the chemical solution in the beaker.

科学家用一根玻璃棒搅拌烧杯中的化学溶液。

作文

In the realm of science, various tools and materials play a crucial role in conducting experiments and understanding fundamental principles. One such tool is the glass rod, which is often used in laboratories for mixing, stirring, and even as a part of certain experimental setups. The glass rod is typically made from high-quality glass, which allows it to withstand chemical reactions without reacting with the substances being mixed. This property makes it an essential item in any chemist's toolkit.The versatility of the glass rod cannot be overstated. For instance, when performing titrations, a glass rod is used to stir solutions to ensure that reactants are evenly distributed. This is crucial in achieving accurate results, as uneven mixing can lead to erroneous conclusions about the concentration of solutions. Furthermore, the smooth surface of the glass rod means that it does not introduce contaminants into the mixture, maintaining the purity of the substances involved.Another important aspect of the glass rod is its ability to conduct heat. While it is not a conductor in the same way metals are, the glass rod can still transfer heat effectively, making it useful in experiments that require temperature control. For example, when heating a solution over a Bunsen burner, a glass rod can be used to gently stir the solution, helping to distribute heat evenly and prevent localized overheating.In addition to its practical applications, the glass rod also serves as a visual aid in educational settings. Students learning about chemical reactions can use a glass rod to observe how different substances interact. The clarity of the glass allows students to see changes in color or texture as reactions occur, providing a hands-on learning experience that enhances their understanding of chemistry.Moreover, the glass rod has historical significance in the field of science. In the early days of chemistry, before the advent of modern equipment, scientists relied heavily on simple tools like the glass rod to conduct experiments. Its continued use today is a testament to its effectiveness and reliability. Even in an age of advanced technology, the glass rod remains an indispensable tool in laboratories around the world.In conclusion, the glass rod is more than just a simple piece of laboratory equipment; it is a symbol of the meticulous nature of scientific inquiry. Its ability to facilitate mixing, conduct heat, and serve as a visual aid makes it a valuable asset in both educational and professional settings. Understanding the role of the glass rod in experiments not only highlights its importance but also encourages a deeper appreciation for the tools that enable scientific discovery.

在科学领域，各种工具和材料在进行实验和理解基本原理方面发挥着至关重要的作用。其中一种工具是玻璃棒，它通常用于实验室中混合、搅拌，甚至作为某些实验设置的一部分。玻璃棒通常由高质量的玻璃制成，这使得它能够在不与所混合的物质发生反应的情况下承受化学反应。这一特性使其成为任何化学家工具箱中的必备物品。玻璃棒的多功能性不容小觑。例如，在进行滴定时，使用玻璃棒搅拌溶液，以确保反应物均匀分布。这对于获得准确结果至关重要，因为不均匀的混合可能导致对溶液浓度的错误结论。此外，玻璃棒光滑的表面意味着它不会向混合物中引入污染物，从而保持所涉及物质的纯度。玻璃棒的另一个重要方面是其导热能力。虽然它并不像金属那样是导体，但玻璃棒仍然可以有效地传递热量，使其在需要温度控制的实验中非常有用。例如，在用本生灯加热溶液时，可以使用玻璃棒轻轻搅拌溶液，帮助均匀分配热量，防止局部过热。除了其实用应用外，玻璃棒在教育环境中也作为视觉辅助工具。学习化学反应的学生可以使用玻璃棒观察不同物质之间的相互作用。玻璃的透明性使学生能够看到反应发生时颜色或质地的变化，提供了一种动手学习的体验，增强了他们对化学的理解。此外，玻璃棒在科学领域具有历史意义。在化学的早期阶段，在现代设备出现之前，科学家们在进行实验时严重依赖简单工具，如玻璃棒。它今天的继续使用证明了它的有效性和可靠性。即使在先进技术的时代，玻璃棒仍然是世界各地实验室中不可或缺的工具。总之，玻璃棒不仅仅是一件简单的实验室设备；它是科学探究严谨性的象征。它促进混合、导热和作为视觉辅助的能力，使其在教育和专业环境中成为宝贵的资产。理解玻璃棒在实验中的作用不仅突显了它的重要性，还鼓励人们更深刻地欣赏那些促进科学发现的工具。