partial vacuum

简明释义

部分真空

英英释义

例句

1.In the packaging industry, food is often sealed in a bag with a partial vacuum to extend shelf life.

在包装行业中，食品通常被密封在带有部分真空的袋子中以延长保质期。

2.The partial vacuum created in the suction cup allows it to stick to the wall.

吸盘中产生的部分真空使其能够粘附在墙上。

3.A partial vacuum helps in reducing the boiling point of liquids during distillation.

在蒸馏过程中，部分真空有助于降低液体的沸点。

4.The laboratory uses a pump to maintain a partial vacuum for various experiments.

实验室使用泵来维持各种实验所需的部分真空。

5.The scientist created a partial vacuum in the chamber to study the behavior of gases.

科学家在实验室中创造了一个部分真空，以研究气体的行为。

作文

In the field of physics and engineering, the term partial vacuum refers to a space where the pressure is lower than atmospheric pressure but not completely devoid of matter. This concept is crucial in various applications, including vacuum packaging, scientific experiments, and industrial processes. Understanding the implications of a partial vacuum can lead to advancements in technology and improvements in product quality. For instance, in food preservation, vacuum packaging utilizes a partial vacuum to remove air from the packaging, which slows down the growth of bacteria and mold. By creating a partial vacuum, the shelf life of perishable items can be significantly extended, allowing consumers to enjoy fresher products for longer periods. This method not only enhances the quality of food but also reduces waste, making it an environmentally friendly option. Moreover, in scientific research, a partial vacuum is often employed in experiments to minimize the effects of air resistance and other atmospheric influences. For example, when studying the behavior of gases or conducting high-precision measurements, researchers create a partial vacuum to ensure that their results are not skewed by external factors. This controlled environment allows for more accurate data collection and analysis, ultimately leading to more reliable conclusions. The use of partial vacuum is not limited to food preservation and scientific experiments; it also plays a significant role in manufacturing processes. Many industries rely on partial vacuum systems to facilitate operations such as coating, drying, and molding. In these applications, a partial vacuum helps to remove moisture and volatile substances, ensuring that products meet quality standards. For instance, in the production of electronic components, maintaining a partial vacuum during the manufacturing process can prevent contamination and improve the overall performance of the final product. Despite its advantages, working with a partial vacuum requires careful consideration of safety measures. The pressure differential created by a partial vacuum can lead to structural failures if not properly managed. Engineers and technicians must ensure that equipment is designed to withstand the forces exerted by the partial vacuum and that appropriate protocols are in place to handle any potential hazards. In conclusion, the concept of partial vacuum is integral to various fields, from food preservation to scientific research and industrial manufacturing. Its ability to create controlled environments can lead to improved product quality, enhanced research accuracy, and increased efficiency in production processes. As technology continues to advance, the applications of partial vacuum are likely to expand, further highlighting its importance in our daily lives. Understanding this term not only enriches our knowledge of physics and engineering but also opens up new possibilities for innovation and improvement across multiple industries.

在物理和工程领域，术语部分真空指的是一个压力低于大气压力但并不完全没有物质的空间。这个概念在各种应用中至关重要，包括真空包装、科学实验和工业过程。理解部分真空的含义可以促进技术进步和产品质量的提高。例如，在食品保存中，真空包装利用部分真空从包装中去除空气，从而减缓细菌和霉菌的生长。通过创建部分真空，易腐烂物品的保质期可以显著延长，使消费者能够更长时间享用更新鲜的产品。这种方法不仅增强了食品的质量，而且减少了浪费，使其成为一种环保的选择。此外，在科学研究中，部分真空通常用于实验，以最小化空气阻力和其他大气影响的作用。例如，在研究气体行为或进行高精度测量时，研究人员创建部分真空以确保他们的结果不受外部因素的影响。这种受控环境允许更准确的数据收集和分析，最终导致更可靠的结论。部分真空的使用不仅限于食品保存和科学实验；它在制造过程中也发挥着重要作用。许多行业依赖于部分真空系统来促进涂层、干燥和成型等操作。在这些应用中，部分真空有助于去除水分和挥发性物质，确保产品符合质量标准。例如，在电子元件的生产中，在制造过程中保持部分真空可以防止污染并提高最终产品的整体性能。尽管有其优点，但与部分真空一起工作需要仔细考虑安全措施。由部分真空产生的压力差如果管理不当可能导致结构故障。工程师和技术人员必须确保设备设计能够承受部分真空施加的力，并且必须制定适当的协议来处理任何潜在的危险。总之，部分真空的概念在多个领域中都是不可或缺的，从食品保存到科学研究，再到工业制造。它创造受控环境的能力可以提高产品质量、增强研究准确性以及提高生产过程的效率。随着技术的不断进步，部分真空的应用可能会扩展，进一步凸显其在我们日常生活中的重要性。理解这个术语不仅丰富了我们对物理和工程的知识，还为各个行业的创新和改进打开了新的可能性。