evaporating dish
简明释义
蒸发皿
英英释义
A shallow, flat dish made of heat-resistant material used in laboratories to evaporate solvents from solutions. | 一种浅而扁平的盘子,由耐热材料制成,用于实验室中从溶液中蒸发溶剂。 |
例句
1.To concentrate the solution, place it in an evaporating dish.
为了浓缩溶液,将其放入蒸发皿中。
2.The chemist heated the liquid in the evaporating dish until most of the solvent evaporated.
化学家在蒸发皿中加热液体,直到大部分溶剂蒸发。
3.An evaporating dish is often used in laboratories to perform evaporation experiments.
在实验室中,蒸发皿通常用于进行蒸发实验。
4.After filtering the mixture, pour the remaining liquid into an evaporating dish to remove impurities.
过滤混合物后,将剩余的液体倒入蒸发皿中以去除杂质。
5.To dry the sample, place it on a hot plate under an evaporating dish.
为了干燥样品,将其放在热板下的蒸发皿上。
作文
The laboratory is a place of wonder and discovery, where scientists conduct experiments to understand the world around us. One essential tool in many chemical experiments is the evaporating dish, which plays a crucial role in the process of evaporation. An evaporating dish is a shallow, flat dish typically made of porcelain or glass, designed to hold liquids that need to be evaporated. Its wide surface area allows for quicker evaporation, making it an invaluable piece of equipment in any chemistry lab.In many experiments, scientists need to concentrate solutions by removing solvents, usually water. The evaporating dish is perfect for this purpose. For example, when a chemist is working with a salt solution, they may pour the solution into the evaporating dish and gently heat it. As the water heats up, it begins to evaporate, leaving behind the solid salt. This process not only helps in recovering the salt but also demonstrates the principles of evaporation and crystallization.Using an evaporating dish requires careful attention to detail. Scientists must monitor the temperature and ensure that the liquid does not boil too rapidly, as this could lead to splattering and loss of material. The design of the evaporating dish allows for even heating, which is essential for a successful evaporation process. Additionally, the choice of material is important; porcelain dishes are often preferred because they can withstand high temperatures without breaking.Beyond its practical uses, the evaporating dish serves as a great teaching tool in educational settings. Students learn about the states of matter and the transition from liquid to gas through hands-on experiments. By observing the evaporation process, they can visualize scientific concepts and develop a deeper understanding of physical chemistry. It encourages curiosity and experimentation, essential traits for budding scientists.Moreover, the evaporating dish has applications beyond the chemistry lab. In culinary arts, chefs may use similar dishes for reducing sauces or concentrating flavors. The principles of evaporation apply equally in cooking, where controlling moisture content can significantly affect the final dish's taste and texture.In conclusion, the evaporating dish is more than just a simple piece of lab equipment; it is a gateway to understanding fundamental scientific principles. Whether in a laboratory or a kitchen, the ability to control evaporation opens up numerous possibilities for experimentation and creativity. As we continue to explore the world of science and cooking, the evaporating dish will remain a vital tool in our quest for knowledge and flavor.
实验室是一个充满奇迹和发现的地方,科学家们在这里进行实验,以理解我们周围的世界。在许多化学实验中,一个基本工具就是蒸发皿,它在蒸发过程中起着至关重要的作用。蒸发皿是一种通常由瓷或玻璃制成的浅平盘,旨在盛放需要蒸发的液体。它宽广的表面积使蒸发速度更快,使其成为任何化学实验室中不可或缺的设备。在许多实验中,科学家需要通过去除溶剂(通常是水)来浓缩溶液。蒸发皿非常适合这个目的。例如,当化学家处理盐溶液时,他们可能会将溶液倒入蒸发皿中并轻轻加热。随着水的加热,它开始蒸发,留下固体盐。这个过程不仅有助于回收盐,还演示了蒸发和结晶的原理。使用蒸发皿需要仔细关注细节。科学家必须监控温度,确保液体不会过快沸腾,因为这可能导致飞溅和材料损失。蒸发皿的设计可以实现均匀加热,这对于成功的蒸发过程至关重要。此外,材料的选择也很重要;瓷制皿通常更受青睐,因为它们可以承受高温而不破裂。除了实用用途外,蒸发皿在教育环境中也作为一个很好的教学工具。学生通过动手实验学习物质的状态以及液体转变为气体的过程。通过观察蒸发过程,他们可以形象化科学概念,并对物理化学有更深刻的理解。这鼓励了好奇心和实验精神,这是年轻科学家必备的特质。此外,蒸发皿在烹饪艺术中也有应用。厨师可能会使用类似的器皿来减少酱汁或浓缩风味。蒸发的原理在烹饪中同样适用,控制水分含量可以显著影响最终菜肴的味道和质地。总之,蒸发皿不仅仅是一个简单的实验室设备;它是理解基本科学原理的门户。无论是在实验室还是厨房,控制蒸发的能力为实验和创造力打开了无数可能性。随着我们继续探索科学和烹饪的世界,蒸发皿将始终是我们追求知识和风味的重要工具。
相关单词