degree of vacuum

简明释义

真空度

英英释义

例句

1.Engineers must monitor the degree of vacuum in the system to prevent equipment failure.

工程师必须监控系统中的真空度以防止设备故障。

2.The degree of vacuum is critical in semiconductor manufacturing to avoid contamination.

在半导体制造中，真空度至关重要，以避免污染。

3.The scientist measured the degree of vacuum in the chamber to ensure optimal conditions for the experiment.

科学家测量了腔室中的真空度以确保实验的最佳条件。

4.In vacuum packaging, the degree of vacuum helps to preserve food for a longer time.

在真空包装中，真空度有助于延长食物的保鲜时间。

5.A higher degree of vacuum can improve the quality of the materials being processed.

更高的真空度可以提高加工材料的质量。

作文

The concept of vacuum is fundamental in various fields of science and engineering. In essence, a vacuum refers to a space devoid of matter, which means that the pressure within that space is significantly lower than atmospheric pressure. One of the critical aspects of understanding vacuum systems is the degree of vacuum, which quantifies how much lower the pressure is compared to standard atmospheric pressure. This measurement is essential in applications ranging from industrial processes to scientific research. To understand the degree of vacuum, we must first consider the units used to express vacuum levels. Commonly, vacuum is measured in units such as torr, pascal (Pa), or millibar. For instance, a perfect vacuum would be 0 torr or 0 Pa, while a partial vacuum might be measured at 100 torr, indicating that there is still some residual gas present. The degree of vacuum provides a way to communicate how effectively a vacuum system can remove air or other gases from a chamber. In many industrial applications, achieving a specific degree of vacuum is crucial for the success of processes like coating, drying, or even packaging. For example, in the food industry, vacuum packaging is used to extend shelf life by removing air that promotes microbial growth. The degree of vacuum achieved during this process determines how well the food is preserved. A higher degree of vacuum typically results in better preservation but may also require more sophisticated equipment. In scientific research, particularly in fields like physics and chemistry, experiments often require high degrees of vacuum. For example, particle accelerators operate under extremely low pressures to allow particles to travel without interference from air molecules. Here, the degree of vacuum can reach levels as low as 10^-9 torr, enabling high-energy collisions that provide valuable data about fundamental particles. Moreover, the degree of vacuum is also vital in the semiconductor industry, where the manufacturing of microchips requires controlled environments. Any contamination by air or moisture can lead to defects in the final product. As such, maintaining a precise degree of vacuum is essential for ensuring product quality and performance. In conclusion, the degree of vacuum is a critical parameter across various fields, influencing both practical applications and experimental outcomes. Understanding this concept allows engineers and scientists to design systems that effectively manage and utilize vacuum conditions. Whether in industrial settings or cutting-edge research laboratories, the degree of vacuum plays a pivotal role in achieving desired results and advancing technology. By mastering the principles surrounding the degree of vacuum, professionals can enhance their work and contribute to innovations that benefit society as a whole.

真空的概念在科学和工程的各个领域中都是基础性的。实质上，真空指的是一个缺乏物质的空间，这意味着该空间内的压力显著低于大气压力。理解真空系统的一个关键方面是真空度，它量化了压力比标准大气压力低多少。这个测量在从工业过程到科学研究的应用中都是至关重要的。 要理解真空度，我们首先必须考虑用于表示真空水平的单位。真空通常以托（torr）、帕斯卡（Pa）或毫巴等单位进行测量。例如，完美的真空将是0托或0帕，而部分真空可能被测量为100托，表明仍然存在一些残余气体。真空度提供了一种交流方式，用于说明真空系统从腔室中去除空气或其他气体的有效性。 在许多工业应用中，达到特定的真空度对于涂层、干燥甚至包装等过程的成功至关重要。例如，在食品行业中，真空包装用于通过去除促进微生物生长的空气来延长保质期。在这个过程中实现的真空度决定了食品的保存效果。更高的真空度通常会导致更好的保存效果，但也可能需要更复杂的设备。 在科学研究中，特别是在物理学和化学等领域，实验通常需要高真空度。例如，粒子加速器在极低的压力下运行，以允许粒子在没有空气分子干扰的情况下移动。在这里，真空度可以达到低至10^-9托的水平，从而实现高能碰撞，提供有关基本粒子的宝贵数据。 此外，真空度在半导体行业中也至关重要，制造微芯片需要受控环境。空气或水分的任何污染都可能导致最终产品的缺陷。因此，保持精确的真空度对于确保产品质量和性能至关重要。 总之，真空度是各个领域的一个关键参数，影响着实际应用和实验结果。理解这一概念使工程师和科学家能够设计出有效管理和利用真空条件的系统。无论是在工业环境还是尖端研究实验室中，真空度在实现预期结果和推动技术进步方面都发挥着关键作用。通过掌握围绕真空度的原则，专业人员可以提升他们的工作，并为有益于社会整体的创新作出贡献。