test tube holder

简明释义

试管夹

英英释义

例句

1.During the experiment, the test tube holder kept everything stable.

在实验过程中，试管架保持了一切稳定。

2.A test tube holder is essential for organizing your lab workspace.

一个试管架对于整理你的实验室工作空间是必不可少的。

3.The lab technician placed the test tubes in the test tube holder for safety.

实验室技术员将试管放入试管架以确保安全。

4.Make sure to use a test tube holder when heating your samples.

加热样品时，请确保使用试管架。

5.She carefully removed the test tubes from the test tube holder to avoid spills.

她小心翼翼地从试管架上取下试管，以避免溢出。

作文

In the world of science, especially in chemistry and biology laboratories, various tools and equipment play a crucial role in conducting experiments. One such essential tool is the test tube holder, which is commonly used to safely hold test tubes during experiments. A test tube holder is designed to securely grip test tubes, allowing scientists to manipulate them without the risk of dropping or spilling their contents. This is particularly important when dealing with hazardous or volatile substances that could cause harm if mishandled.The design of a test tube holder typically includes a handle and a gripping mechanism that can accommodate different sizes of test tubes. Many holders are made from heat-resistant materials, enabling them to be used in experiments involving high temperatures. This feature is crucial because test tubes can contain reactions that produce heat, and using a holder made from inappropriate materials could lead to accidents.Using a test tube holder not only enhances safety but also improves efficiency in the laboratory. For instance, when a scientist needs to heat a test tube over a flame, holding it directly with bare hands is unsafe and impractical. Instead, they can use a test tube holder to keep a safe distance from the heat source while still being able to observe the reaction taking place inside the tube. This allows for better control and reduces the likelihood of burns or spills.Moreover, a test tube holder is invaluable when conducting multiple experiments simultaneously. In a busy lab, researchers often need to handle several test tubes at once, and having a reliable holder makes this task much easier. By using a test tube holder, scientists can quickly switch between different test tubes without the need for constant adjustments or the risk of contamination.In addition to its practical uses, the test tube holder also serves an educational purpose. In chemistry classes, students learn about the properties of different substances and how to conduct experiments safely. The test tube holder becomes a vital part of their learning experience, teaching them not just about chemical reactions but also about the importance of proper laboratory techniques and safety protocols.Furthermore, the versatility of the test tube holder allows it to be used in various scientific fields beyond chemistry. For example, in biology labs, it can hold test tubes containing samples for experiments related to genetics, microbiology, and biochemistry. This adaptability makes it a staple tool in many scientific environments.In conclusion, the test tube holder is a fundamental piece of laboratory equipment that enhances safety, efficiency, and education in scientific research. Its ability to securely hold test tubes while allowing for safe manipulation of potentially dangerous substances makes it indispensable in both educational and professional settings. As science continues to advance, the test tube holder will undoubtedly remain a critical tool for researchers and students alike, ensuring that experiments can be conducted with precision and care.

在科学领域，特别是在化学和生物实验室中，各种工具和设备在进行实验时发挥着至关重要的作用。其中一个必不可少的工具就是试管夹，它通常用于安全地握住实验过程中的试管。试管夹旨在牢牢抓住试管，使科学家能够操作它们，而不必担心掉落或溢出其内容物。这一点尤为重要，因为处理危险或挥发性物质时，如果操作不当可能会造成伤害。试管夹的设计通常包括一个手柄和一个抓握机制，可以适应不同尺寸的试管。许多夹具由耐热材料制成，使其能够在涉及高温的实验中使用。这一特性至关重要，因为试管中可能包含产生热量的反应，使用不合适材料制成的夹具可能导致事故。使用试管夹不仅提高了安全性，还提高了实验室的效率。例如，当科学家需要在火焰上加热试管时，直接用裸手握住是危险且不切实际的。相反，他们可以使用试管夹与热源保持安全距离，同时仍然能够观察试管内发生的反应。这使得控制更好，并减少了烧伤或溢出的可能性。此外，在同时进行多个实验时，试管夹也是无价之宝。在繁忙的实验室中，研究人员经常需要同时处理几个试管，拥有一个可靠的夹具使这项任务变得更加简单。通过使用试管夹，科学家可以快速在不同的试管之间切换，而无需不断调整或担心污染。除了实用用途外，试管夹还具有教育意义。在化学课上，学生学习不同物质的性质以及如何安全地进行实验。试管夹成为他们学习体验的重要组成部分，不仅教会他们化学反应的知识，还教会他们实验室技术和安全协议的重要性。此外，试管夹的多功能性使其可以在化学以外的各种科学领域中使用。例如，在生物实验室中，它可以夹住含有样本的试管，用于与遗传学、微生物学和生物化学相关的实验。这种适应性使其成为许多科学环境中的基本工具。总之，试管夹是实验室设备的基本组成部分，它在科学研究中增强了安全性、效率和教育性。它能够安全地握住试管，同时允许安全操作潜在危险物质，使其在教育和专业环境中不可或缺。随着科学的不断进步，试管夹无疑将继续作为研究人员和学生的重要工具，确保实验能够精确而小心地进行。