test glass

简明释义

试管

英英释义

例句

1.Make sure the test glass (测试玻璃) is clean before use.

使用前确保test glass（测试玻璃）是干净的。

2.The scientist used a test glass (测试玻璃) to measure the acidity of the solution.

科学家使用test glass（测试玻璃）来测量溶液的酸度。

3.The results from the test glass (测试玻璃) indicated a high concentration of the substance.

来自test glass（测试玻璃）的结果显示该物质浓度很高。

4.Before starting the experiment, make sure to calibrate the test glass (测试玻璃).

在开始实验之前，确保校准好test glass（测试玻璃）。

5.Always wear gloves when handling a test glass (测试玻璃) to avoid contamination.

处理test glass（测试玻璃）时一定要戴手套，以避免污染。

作文

In the world of science, precision and accuracy are paramount. One of the essential tools used in laboratories is the test glass, which refers to various types of glassware used for conducting experiments and performing analyses. The test glass plays a vital role in ensuring that experiments yield reliable results. It encompasses a range of items, including beakers, flasks, and test tubes, each designed for specific purposes. For instance, a beaker is often used for mixing substances, while a flask is ideal for heating liquids due to its shape. The importance of test glass cannot be overstated. When scientists conduct experiments, they rely on these glassware items to hold, mix, and analyze samples. The transparency of test glass allows researchers to visually monitor chemical reactions, making it easier to observe changes in color, consistency, or gas production. Moreover, the ability to heat or cool substances in test glass without altering their properties is crucial for many experiments. Another significant aspect of test glass is its contribution to safety in the laboratory. Many experiments involve hazardous chemicals that can react violently if not handled properly. Using test glass that is designed to withstand high temperatures and corrosive substances minimizes the risk of accidents. Additionally, the smooth surfaces of test glass make it easier to clean and reuse, promoting good laboratory practices and reducing waste. Furthermore, the design of test glass is tailored to enhance functionality. For example, graduated cylinders allow for precise measurement of liquids, which is essential in quantitative experiments. Similarly, the narrow neck of a flask helps to minimize evaporation, which is particularly important when working with volatile substances. In educational settings, test glass is a fundamental part of science curricula. Students learn to handle test glass safely and effectively, gaining hands-on experience that complements theoretical knowledge. This practical application fosters a deeper understanding of scientific principles and methods. As technology advances, so does the design and material of test glass. Innovations such as borosilicate glass, which can withstand extreme temperature changes, have improved the durability and reliability of laboratory glassware. Additionally, the introduction of plastic alternatives for test glass has made it more accessible for various educational institutions, where safety and cost-effectiveness are critical. In conclusion, the test glass is an indispensable tool in scientific research and education. Its versatility, safety features, and innovative designs contribute significantly to the accuracy and reliability of experimental results. As we continue to explore the mysteries of science, the test glass will undoubtedly remain a cornerstone of laboratory work, facilitating discoveries and advancements in various fields. Understanding the significance of test glass not only enhances our appreciation for scientific inquiry but also underscores the importance of precision in the pursuit of knowledge.

在科学的世界中，精确性和准确性至关重要。实验室中使用的基本工具之一是试管，它指的是用于进行实验和分析的各种玻璃器皿。试管在确保实验产生可靠结果方面发挥着重要作用。它包括一系列物品，如烧杯、瓶子和试管，每种设计都有其特定用途。例如，烧杯通常用于混合物质，而瓶子由于其形状非常适合加热液体。 试管的重要性不容小觑。当科学家进行实验时，他们依赖这些玻璃器皿来容纳、混合和分析样品。试管的透明性使研究人员能够直观地监控化学反应，从而更容易观察颜色、稠度或气体产生的变化。此外，在试管中加热或冷却物质而不改变其性质的能力对于许多实验至关重要。 试管的另一个重要方面是它对实验室安全的贡献。许多实验涉及危险化学品，如果处理不当可能会发生剧烈反应。使用设计用于承受高温和腐蚀性物质的试管可以最大限度地降低事故风险。此外，试管的光滑表面使其更易于清洁和重复使用，促进良好的实验室实践并减少浪费。 此外，试管的设计旨在增强功能性。例如，量筒允许精确测量液体，这在定量实验中至关重要。类似地，瓶子的狭窄颈部有助于最小化蒸发，这在处理挥发性物质时尤其重要。 在教育环境中，试管是科学课程的基本组成部分。学生学习安全和有效地处理试管，获得与理论知识相辅相成的实践经验。这种实践应用促进了对科学原理和方法的更深入理解。 随着技术的进步，试管的设计和材料也在不断发展。耐高温的硼硅酸盐玻璃等创新提高了实验室玻璃器皿的耐用性和可靠性。此外，试管的塑料替代品的引入使得其在各种教育机构中更易于获得，在这些机构中，安全性和成本效益至关重要。 总之，试管是科学研究和教育中不可或缺的工具。它的多功能性、安全特性和创新设计对实验结果的准确性和可靠性做出了重大贡献。随着我们继续探索科学的奥秘，试管无疑将继续成为实验室工作的基石，促进各个领域的发现和进步。理解试管的重要性不仅增强了我们对科学探究的欣赏，还强调了在追求知识过程中精确性的必要性。