measuring cylinder with cover

简明释义

带盖量筒

英英释义

例句

1.When conducting experiments, always use a measuring cylinder with cover to ensure accurate measurements.

进行实验时，始终使用带盖量筒以确保测量准确。

2.The lab technician carefully poured the liquid into the measuring cylinder with cover to avoid contamination.

实验室技术员小心地将液体倒入带盖量筒中，以避免污染。

3.The teacher demonstrated how to use a measuring cylinder with cover during the chemistry class.

老师在化学课上演示了如何使用带盖量筒。

4.After measuring the solution, place the measuring cylinder with cover on the shelf to keep it safe.

测量溶液后，将带盖量筒放在架子上以保持安全。

5.To prevent evaporation, we stored the chemicals in a measuring cylinder with cover.

为了防止蒸发，我们将化学品存放在带盖量筒中。

作文

In the world of science and laboratory experiments, precision and accuracy are paramount. One essential tool that scientists and students often use is the measuring cylinder with cover. This instrument is designed to measure the volume of liquids accurately, making it a staple in chemistry, biology, and various other scientific fields. The measuring cylinder with cover not only provides accurate measurements but also offers the benefit of preventing contamination and evaporation, which can significantly affect experimental results.A measuring cylinder with cover typically consists of a cylindrical body made from glass or plastic, marked with graduated lines to indicate volume measurements. The cover, which may be a simple lid or a more complex sealing mechanism, serves multiple purposes. Firstly, it protects the liquid inside from external contaminants such as dust or airborne particles. Secondly, it minimizes the risk of evaporation, which is particularly crucial when dealing with volatile substances. By using a measuring cylinder with cover, researchers can ensure that their samples remain intact and unaltered during the measurement process.Moreover, the measuring cylinder with cover is user-friendly, making it accessible for individuals at various levels of expertise. For students conducting experiments in a school lab, understanding how to properly use this equipment is a fundamental skill. They learn to read the measurements accurately, pour liquids without spilling, and securely place the cover back on after measuring. This hands-on experience is invaluable for fostering a deeper understanding of scientific principles and methodologies.In practical applications, the measuring cylinder with cover is often used in titrations, where precise volumes of solutions are required. During these experiments, even a slight deviation in volume can lead to significant errors in results. Therefore, having a reliable measuring tool is critical. The cover allows for the preparation of solutions ahead of time without worrying about them being exposed to the environment.Furthermore, the versatility of the measuring cylinder with cover extends beyond just measuring liquids. It can also be used to mix solutions, allowing for thorough blending while minimizing the risk of spills. This capability makes it an excellent choice for both educational settings and professional laboratories.In conclusion, the measuring cylinder with cover is an indispensable tool in the realm of scientific experimentation. Its design enhances accuracy and reliability, while its protective cover adds an extra layer of security for the samples being measured. For students and professionals alike, mastering the use of this instrument is crucial for conducting successful experiments and obtaining valid results. As science continues to evolve, the measuring cylinder with cover remains a fundamental piece of equipment that embodies the principles of precision and care in scientific inquiry.

在科学和实验室实验的世界中，精确性和准确性至关重要。科学家和学生常用的一种基本工具是带盖量筒。该仪器设计用于准确测量液体的体积，使其成为化学、生物学及其他各种科学领域的基础设备。带盖量筒不仅提供准确的测量结果，还能防止污染和蒸发，这对实验结果有显著影响。带盖量筒通常由玻璃或塑料制成的圆柱形主体组成，标有刻度线以指示体积测量。盖子可以是简单的盖子或更复杂的密封机制，具有多重用途。首先，它保护内部液体免受外部污染物如灰尘或空气中颗粒的影响。其次，它最小化了蒸发的风险，这在处理挥发性物质时尤为重要。通过使用带盖量筒，研究人员可以确保样本在测量过程中保持完整和不变。此外，带盖量筒易于使用，使不同水平专业知识的人都能接触到。对于在学校实验室进行实验的学生来说，了解如何正确使用这种设备是一项基本技能。他们学习准确读取测量值、倒液体而不溢出，并在测量后安全地将盖子放回去。这种实践经验对于加深对科学原理和方法论的理解是无价的。在实际应用中，带盖量筒常用于滴定实验，在这些实验中，需要精确的溶液体积。在这些实验中，即使是体积的微小偏差也可能导致结果的重大错误。因此，拥有可靠的测量工具至关重要。盖子允许提前准备溶液，而不必担心它们暴露在环境中。此外，带盖量筒的多功能性不仅限于测量液体。它还可以用于混合溶液，允许彻底混合，同时最小化溢出的风险。这种能力使其成为教育环境和专业实验室的优秀选择。总之，带盖量筒是科学实验领域不可或缺的工具。它的设计增强了准确性和可靠性，而其保护盖则为被测样本增加了一层额外的安全性。对于学生和专业人员来说，掌握使用这种仪器对于成功进行实验和获得有效结果至关重要。随着科学的不断发展，带盖量筒仍然是体现科学探究中精确性和谨慎原则的基本设备。