evaporating dish

简明释义

蒸发皿

英英释义

例句

1.We used a evaporating dish to dry the wet samples before further analysis.

我们使用蒸发皿在进一步分析之前干燥湿样品。

2.An evaporating dish is commonly used in laboratories for crystallization processes.

在实验室中，蒸发皿常用于结晶过程。

3.After the experiment, we cleaned the evaporating dish thoroughly to avoid contamination.

实验结束后，我们彻底清洗了蒸发皿以避免污染。

4.The chemist heated the liquid in the evaporating dish until it completely evaporated.

化学家在蒸发皿中加热液体，直到它完全蒸发。

5.To concentrate the salt solution, we placed it in an evaporating dish.

为了浓缩盐溶液，我们将其放入一个蒸发皿中。

作文

In the world of chemistry, various tools and equipment play crucial roles in conducting experiments and obtaining accurate results. One such essential item is the evaporating dish, which is widely used in laboratories for the evaporation of liquids. The evaporating dish is typically made of porcelain or glass, allowing it to withstand high temperatures without breaking or deforming. Its shallow, wide shape facilitates the quick evaporation of liquids, making it an indispensable tool for chemists and researchers alike.The primary function of an evaporating dish is to concentrate solutions by removing solvent through evaporation. For instance, when a solution containing salt is heated in an evaporating dish, the water evaporates, leaving behind the solid salt crystals. This process not only helps in the purification of substances but also aids in the determination of solubility and other properties of compounds. By using an evaporating dish, scientists can efficiently observe the changes that occur during the evaporation process, which is vital for understanding chemical reactions.Moreover, the design of the evaporating dish allows for easy handling and pouring of the contents. The wide rim provides a stable surface for heating, while the shallow depth minimizes the volume of liquid, enhancing the rate of evaporation. This makes it particularly useful in educational settings where students conduct experiments to learn about physical and chemical changes. In classrooms, students often use evaporating dishes to explore concepts such as boiling points, vaporization, and crystallization.In addition to its practical applications, the evaporating dish serves as an excellent example of how simple laboratory tools can lead to significant scientific discoveries. Many breakthroughs in chemistry and material science have been made possible through the careful observation of processes occurring in an evaporating dish. Researchers can analyze the residue left behind after evaporation to gain insights into the composition of mixtures and the nature of chemical compounds.It is also worth noting that the evaporating dish is not limited to just chemistry; it has applications in various fields, including biology, environmental science, and even culinary arts. For instance, biologists may use evaporating dishes to concentrate samples for analysis, while chefs might employ them to reduce sauces or infuse flavors through evaporation.In conclusion, the evaporating dish is a fundamental piece of laboratory equipment that plays a vital role in the study and application of chemistry. Its ability to facilitate the evaporation of liquids makes it a valuable tool for both professionals and students. By understanding the significance of the evaporating dish, one can appreciate the intricate processes involved in scientific experimentation and the importance of precise measurements and observations in achieving reliable results. Whether in a high school lab or a cutting-edge research facility, the evaporating dish remains a symbol of the simplicity and effectiveness of traditional laboratory techniques in advancing our knowledge of the natural world.

在化学的世界里，各种工具和设备在进行实验和获得准确结果方面起着至关重要的作用。其中一个必不可少的项目是蒸发皿，它在实验室中广泛用于液体的蒸发。蒸发皿通常由瓷或玻璃制成，能够承受高温而不破裂或变形。它的浅而宽的形状促进了液体的快速蒸发，使其成为化学家和研究人员不可或缺的工具。蒸发皿的主要功能是通过蒸发去除溶剂，从而浓缩溶液。例如，当含盐的溶液在蒸发皿中加热时，水分蒸发，留下固体盐晶体。这个过程不仅有助于物质的纯化，还有助于确定化合物的溶解度和其他性质。通过使用蒸发皿，科学家可以有效观察蒸发过程中发生的变化，这对理解化学反应至关重要。此外，蒸发皿的设计便于处理和倾倒内容物。宽边缘为加热提供了稳定的表面，而浅深度则最小化了液体的体积，增强了蒸发速率。这使得它在教育环境中特别有用，学生在进行实验以学习物理和化学变化时常常使用蒸发皿。在课堂上，学生们经常使用蒸发皿来探索沸点、蒸发和结晶等概念。除了实用应用外，蒸发皿还作为一个简单实验室工具如何导致重大发现的优秀例证。许多化学和材料科学领域的突破都是通过仔细观察在蒸发皿中发生的过程而实现的。研究人员可以分析蒸发后留下的残留物，以深入了解混合物的成分和化合物的性质。值得注意的是，蒸发皿不仅限于化学，它在生物学、环境科学甚至烹饪艺术等多个领域都有应用。例如，生物学家可能会使用蒸发皿浓缩样本进行分析，而厨师可能会利用它们减少酱汁或通过蒸发注入风味。总之，蒸发皿是实验室设备的基本组成部分，在化学研究和应用中发挥着重要作用。它促进液体蒸发的能力使其成为专业人士和学生的宝贵工具。通过理解蒸发皿的重要性，人们可以欣赏到科学实验中涉及的复杂过程，以及在实现可靠结果时精确测量和观察的重要性。无论是在高中实验室还是尖端研究设施中，蒸发皿始终是传统实验室技术在推动我们对自然界知识的认识中的简单性和有效性的象征。