watch glass

简明释义

表面皿

英英释义

例句

1.He polished the watch glass 表镜 to restore its shine.

他擦亮了watch glass 表镜以恢复光泽。

2.The watch glass 表镜 is made of sapphire crystal for durability.

这个watch glass 表镜是由蓝宝石水晶制成，具有耐用性。

3.To prevent scratches, I always use a protective cover over the watch glass 表镜.

为了防止划伤，我总是使用保护罩覆盖在watch glass 表镜上。

4.The technician replaced the broken watch glass 表镜 on my wristwatch.

技术人员更换了我手表上破损的watch glass 表镜。

5.After dropping my watch, I noticed the watch glass 表镜 had cracked.

我手表掉落后，注意到watch glass 表镜已经裂开了。

作文

In the world of science and laboratory work, precision and clarity are essential. One often overlooked yet vital tool that aids in achieving this is the watch glass. A watch glass is a circular piece of glass that is typically used to hold small amounts of substances or to cover beakers and flasks. Its design allows for easy observation of the contents within, making it an indispensable item in any chemist's toolkit. The watch glass serves multiple purposes, from evaporating liquids to serving as a surface for weighing solids. The transparency of the watch glass enables scientists to monitor chemical reactions closely. For instance, when a solution is heated, the changes in color or the formation of precipitates can be easily observed through the watch glass. This quality is particularly important in experiments where visual changes indicate a reaction's progress or completion.Moreover, the watch glass is also used as a makeshift lid for beakers and flasks. Covering these containers helps prevent contamination from external particles and reduces evaporation of volatile substances. This function is crucial in maintaining the integrity of experiments, especially those involving sensitive reagents that may react with air or moisture.In addition to its practical applications, the watch glass has aesthetic qualities that can enhance the presentation of scientific work. When displaying samples or conducting demonstrations, the clarity and shine of the watch glass can make the materials appear more appealing and professional. This can be particularly beneficial in educational settings where engaging students visually is important.Furthermore, the versatility of the watch glass extends beyond chemistry laboratories. It can also be found in biology labs, where it may be used to observe small organisms or cultures. In geology, it can serve as a platform for examining mineral samples or thin sections of rock. Thus, the watch glass is not limited to one field but is a universal tool across various scientific disciplines.In conclusion, the watch glass is a simple yet essential instrument in laboratory environments. Its ability to provide clarity, protect samples, and enhance the visual appeal of scientific work makes it invaluable in both educational and professional settings. As we continue to explore and innovate in the sciences, tools like the watch glass will remain fundamental in our quest for knowledge and understanding. Every time a scientist uses a watch glass, they are reminded of the importance of precision and observation in their work, reinforcing the idea that sometimes the simplest tools can have the most significant impact.

在科学和实验室工作中，精确和清晰是至关重要的。一个常被忽视但又至关重要的工具就是表面玻璃。表面玻璃是一种圆形玻璃，通常用于盛放少量物质或覆盖烧杯和瓶子。它的设计使得观察内部内容变得容易，因此成为任何化学家工具箱中不可或缺的物品。表面玻璃有多种用途，从蒸发液体到作为称量固体的表面。表面玻璃的透明性使得科学家能够密切监控化学反应。例如，当溶液加热时，通过表面玻璃可以轻松观察颜色变化或沉淀物的形成。这一特性在视觉变化指示反应进展或完成的实验中尤为重要。此外，表面玻璃还可作为烧杯和瓶子的临时盖子。覆盖这些容器有助于防止外部颗粒的污染，并减少挥发性物质的蒸发。这一功能对保持实验的完整性至关重要，尤其是在涉及可能与空气或水分反应的敏感试剂时。除了实用应用之外，表面玻璃还有美学特性，可以增强科学工作的展示效果。在展示样品或进行演示时，表面玻璃的清晰度和光泽可以使材料看起来更具吸引力和专业性。这在教育环境中尤其有益，因为视觉吸引学生是重要的。此外，表面玻璃的多功能性超越了化学实验室。它也可以在生物实验室中找到，在那里它可以用来观察小型生物或培养物。在地质学中，它可以作为检查矿物样本或岩石薄片的平台。因此，表面玻璃并不仅限于一个领域，而是跨越各种科学学科的通用工具。总之，表面玻璃是实验室环境中简单而又必不可少的仪器。它提供清晰度、保护样品和增强科学工作的视觉吸引力，使其在教育和专业环境中都具有不可替代的价值。随着我们在科学领域的不断探索和创新，如表面玻璃这样的工具将继续在我们追求知识和理解的过程中发挥基础作用。每当科学家使用表面玻璃时，他们都会意识到在工作中精确和观察的重要性，强化了一个简单的工具也能产生重大影响的理念。