test tube stand

简明释义

试管架

英英释义

例句

1.In the chemistry lab, we used a test tube stand to hold our samples securely while conducting experiments.

在化学实验室，我们使用了一个试管架来安全地固定我们的样品以进行实验。

2.Make sure to place the test tube stand on a flat surface to avoid spills.

确保将试管架放在平坦的表面上，以避免溢出。

3.During the demonstration, the teacher pointed out how the test tube stand prevents accidents.

在演示过程中，老师指出了试管架如何防止事故发生。

4.The test tube stand can hold multiple test tubes at once, making it easier to organize our work.

这个试管架可以同时容纳多个试管，使我们更容易组织工作。

5.When preparing for the experiment, I arranged all the test tubes in the test tube stand.

在准备实验时，我把所有试管都排列在试管架上。

作文

In the world of science, especially in biology and chemistry, various tools and equipment play a crucial role in conducting experiments. One such essential tool is the test tube stand, which is used to hold test tubes securely during experiments. A test tube stand is typically made of sturdy materials such as plastic or metal, designed to provide stability and prevent spills or breakage of the test tubes. This simple yet vital piece of laboratory equipment allows scientists and students alike to carry out their experiments with greater ease and safety.The primary function of a test tube stand is to hold multiple test tubes at a time. In many experiments, several samples need to be tested simultaneously, and having a reliable test tube stand ensures that these samples are organized and easily accessible. For instance, when conducting a series of chemical reactions, a researcher may need to mix different reagents in separate test tubes. The test tube stand keeps these test tubes upright, allowing the researcher to focus on the experiment rather than worrying about whether the tubes will tip over.Moreover, the design of a test tube stand varies depending on its intended use. Some stands have holes designed to fit standard test tube sizes, while others are adjustable to accommodate various tube dimensions. This versatility makes the test tube stand an indispensable tool in any laboratory setting. Additionally, some stands come equipped with features such as built-in racks for drying test tubes after washing, further enhancing their functionality.In educational settings, the test tube stand plays a significant role in teaching students about basic scientific principles. Students learn how to conduct experiments safely and effectively, understanding the importance of organization in the lab. By using a test tube stand, they can practice proper laboratory techniques, such as measuring liquids accurately and observing chemical reactions without the risk of accidents. This hands-on experience is invaluable in fostering a deeper understanding of scientific concepts.Furthermore, the test tube stand is not just limited to educational institutions; it is also widely used in research laboratories and industrial applications. Researchers rely on these stands to conduct experiments that require precision and care. For example, in pharmacology, scientists might use a test tube stand to test the effects of various compounds on cell cultures, requiring a stable environment for accurate results.In conclusion, the test tube stand is a fundamental piece of laboratory equipment that serves multiple purposes across various scientific fields. Its ability to hold test tubes securely and organize samples makes it an essential tool for both students and professionals. As science continues to advance, the test tube stand will undoubtedly remain a key component in labs around the world, facilitating discoveries and innovations in countless areas of research. The importance of understanding how to properly use a test tube stand cannot be overstated, as it lays the groundwork for successful experimentation and scientific inquiry.

在科学的世界中，特别是在生物学和化学领域，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架，它用于在实验过程中安全地固定试管。试管架通常由坚固的材料制成，如塑料或金属，旨在提供稳定性，防止试管倾倒或破裂。这件简单而重要的实验室设备使科学家和学生能够更轻松、安全地进行实验。试管架的主要功能是同时固定多个试管。在许多实验中，需要同时测试多个样本，而拥有一个可靠的试管架能确保这些样本有序且易于访问。例如，在进行一系列化学反应时，研究人员可能需要在不同的试管中混合不同的试剂。试管架将这些试管保持直立，使研究人员能够专注于实验，而不必担心试管会翻倒。此外，试管架的设计因其用途而异。有些架子有专门设计的孔，以适应标准试管的尺寸，而另一些则可调节以容纳各种管径。这种多功能性使得试管架成为任何实验室环境中不可或缺的工具。此外，一些架子还配备了内置的干燥试管架，用于清洗后的试管干燥，进一步增强了它们的功能。在教育环境中，试管架在教授学生基本科学原理方面发挥着重要作用。学生们学习如何安全有效地进行实验，理解实验室组织的重要性。通过使用试管架，他们可以练习正确的实验室技术，如准确测量液体和观察化学反应，而不会面临事故的风险。这种动手经验对于加深对科学概念的理解是无价的。此外，试管架不仅限于教育机构；它在研究实验室和工业应用中也被广泛使用。研究人员依靠这些架子进行需要精确和小心的实验。例如，在药理学中，科学家可能使用试管架来测试各种化合物对细胞培养的影响，这需要一个稳定的环境以获得准确的结果。总之，试管架是一种基本的实验室设备，在各个科学领域中具有多种用途。它能够安全地固定试管并组织样本，使其成为学生和专业人士的必备工具。随着科学的不断进步，试管架无疑将继续成为全球实验室中的关键组成部分，促进无数研究领域的发现和创新。理解如何正确使用试管架的重要性不容小觑，因为这为成功的实验和科学探究奠定了基础。