erlenmeyer flask

简明释义

锥瓶

英英释义

例句

1.The erlenmeyer flask is ideal for measuring liquids due to its narrow neck.

由于其狭窄的瓶颈，锥形瓶非常适合测量液体。

2.In the chemistry lab, we used an erlenmeyer flask to mix the solutions safely.

在化学实验室，我们用锥形瓶安全地混合溶液。

3.Make sure to clean the erlenmeyer flask thoroughly before starting the experiment.

在开始实验之前，确保彻底清洁锥形瓶。

4.We heated the solution in the erlenmeyer flask to observe the reaction.

我们在锥形瓶中加热溶液以观察反应。

5.An erlenmeyer flask can be used to prevent splashes when mixing chemicals.

锥形瓶可以用于防止混合化学品时溅出。

作文

The erlenmeyer flask is a fundamental piece of laboratory equipment that is widely used in chemistry and biology. Its unique shape, which features a flat bottom and a tapered neck, makes it particularly useful for mixing, heating, and storing liquids. The design allows for easy swirling of the contents without the risk of spillage, which is crucial when working with volatile substances or conducting experiments that require precise measurements. In this essay, I will explore the various applications of the erlenmeyer flask, its advantages over other types of glassware, and its significance in scientific research.One of the primary uses of the erlenmeyer flask is in the preparation of solutions. When chemists need to dissolve a solute in a solvent, they often use this type of flask because its shape allows for efficient mixing. The narrow neck minimizes evaporation, which is essential when working with substances that are sensitive to air exposure. Additionally, the conical shape helps to direct any splashes back into the liquid, ensuring that the entire mixture remains contained. This feature is particularly beneficial in titration experiments, where precise concentrations are vital for accurate results.Another significant advantage of the erlenmeyer flask is its versatility. It can be used for a variety of purposes, including heating liquids over a Bunsen burner or hot plate. The thick glass construction of most erlenmeyer flasks allows them to withstand high temperatures, making them suitable for boiling solutions or conducting reflux reactions. Furthermore, many flasks come with graduated markings on the side, allowing for easy measurement of liquid volumes. This combination of features makes the erlenmeyer flask an essential tool for both educational and professional laboratories.In addition to its practical uses, the erlenmeyer flask also plays a crucial role in scientific research. Researchers rely on this equipment to conduct experiments that contribute to our understanding of chemical reactions and biological processes. For example, in microbiology, erlenmeyer flasks are often used for culturing microorganisms. The wide opening allows for easy inoculation and aeration, which is necessary for the growth of bacteria and yeast. Moreover, the ability to seal the flask with a stopper or cotton plug helps to prevent contamination, thus ensuring the validity of the experimental results.In conclusion, the erlenmeyer flask is an indispensable tool in the field of science. Its unique design, versatility, and ability to facilitate accurate measurements make it a favorite among chemists and biologists alike. Whether it is used for preparing solutions, conducting experiments, or cultivating microorganisms, the erlenmeyer flask continues to be a vital component of laboratory work. As science advances and new techniques are developed, the importance of the erlenmeyer flask will undoubtedly remain, proving that sometimes, the simplest tools can have the most significant impact on our understanding of the world around us.

埃尔伦迈尔烧瓶（erlenmeyer flask）是实验室设备中的基本工具，广泛应用于化学和生物学。它独特的形状，底部平坦、颈部逐渐变窄，使其在混合、加热和储存液体方面特别有用。这种设计允许轻松旋转内容物而不易溢出，这在处理挥发性物质或进行需要精确测量的实验时至关重要。在本文中，我将探讨erlenmeyer flask的各种应用，它相对于其他类型玻璃器皿的优势，以及它在科学研究中的重要性。erlenmeyer flask的主要用途之一是在制备溶液时。当化学家需要将溶质溶解在溶剂中时，他们通常使用这种类型的烧瓶，因为其形状便于高效混合。狭窄的颈部最小化了蒸发，这在处理对空气敏感的物质时至关重要。此外，锥形设计有助于将任何飞溅物引导回液体中，确保整个混合物保持封闭。这一特性在滴定实验中特别有利，因为精确浓度对于获得准确结果至关重要。erlenmeyer flask的另一个显著优势是其多功能性。它可以用于多种目的，包括在本生灯或加热板上加热液体。大多数erlenmeyer flasks的厚玻璃结构使其能够承受高温，非常适合煮沸溶液或进行回流反应。此外，许多烧瓶侧面带有刻度标记，便于液体体积的测量。这些特点的结合使得erlenmeyer flask成为教育和专业实验室的必备工具。除了其实用用途外，erlenmeyer flask在科学研究中也发挥着至关重要的作用。研究人员依赖这种设备进行实验，以促进我们对化学反应和生物过程的理解。例如，在微生物学中，erlenmeyer flasks常用于培养微生物。宽口设计便于接种和通气，这对于细菌和酵母的生长是必要的。此外，能够用塞子或棉塞密封烧瓶有助于防止污染，从而确保实验结果的有效性。总之，erlenmeyer flask是科学领域中不可或缺的工具。其独特设计、多功能性和促进准确测量的能力使其成为化学家和生物学家的最爱。无论是用于制备溶液、进行实验，还是培养微生物，erlenmeyer flask仍然是实验室工作的重要组成部分。随着科学的进步和新技术的发展，erlenmeyer flask的重要性无疑将持续存在，证明有时最简单的工具对我们理解周围世界的影响最大。