rough vacuum

简明释义

低真空

英英释义

例句

1.The rough vacuum 粗真空 system is essential for the operation of the vacuum chamber.

该粗真空 粗真空系统对真空腔的操作至关重要。

2.The laboratory maintained a rough vacuum 粗真空 to reduce contamination during experiments.

实验室维持了一个粗真空 粗真空以减少实验过程中的污染。

3.Before starting the experiment, ensure that the rough vacuum 粗真空 is stable.

在开始实验之前，确保粗真空 粗真空是稳定的。

4.We used a rotary pump to achieve a rough vacuum 粗真空 in the setup.

我们使用旋片泵在设备中达到粗真空 粗真空。

5.In the first stage of the process, we need to create a rough vacuum 粗真空 before moving to high vacuum.

在这个过程的第一阶段，我们需要先创建一个粗真空 粗真空，然后再转向高真空。

作文

In the field of physics and engineering, the concept of a rough vacuum is crucial for various applications, including scientific experiments, industrial processes, and the functioning of different types of machinery. A rough vacuum refers to a state of vacuum that is not completely devoid of matter but has significantly lower pressure than atmospheric conditions. Typically, a rough vacuum is defined as having a pressure range from about 1 atmosphere (101.3 kPa) down to approximately 0.001 atmospheres (0.1 kPa). This level of vacuum is often sufficient for many practical applications, such as in the production of semiconductors, where contaminants must be minimized to ensure product quality.Understanding the nature of a rough vacuum is essential for scientists and engineers who work with vacuum systems. The creation of a rough vacuum usually involves the use of mechanical pumps, which remove air and other gases from a sealed environment. These pumps can achieve varying degrees of vacuum, and the efficiency of the pump determines how quickly and effectively a rough vacuum can be established. Once the rough vacuum is achieved, it can be further refined to create higher vacuums using additional pumping techniques.The importance of a rough vacuum goes beyond just creating a low-pressure environment. In many experimental setups, achieving a rough vacuum is vital for reducing the effects of air resistance and contamination. For instance, in particle physics, experiments conducted in a rough vacuum allow researchers to observe particles without interference from air molecules. This leads to more accurate measurements and better understanding of fundamental physical phenomena.Moreover, in the manufacturing sector, a rough vacuum plays a significant role in processes like vacuum coating and drying. During vacuum coating, materials are deposited onto surfaces in a controlled environment, preventing oxidation and ensuring a uniform application. Similarly, in drying processes, a rough vacuum helps to remove moisture from products without exposing them to high temperatures, which could cause damage.In conclusion, the term rough vacuum encapsulates a critical aspect of modern science and technology. It represents a balance between achieving low pressure and maintaining practicality in various applications. Whether in laboratories or industrial settings, understanding and utilizing a rough vacuum is essential for innovation and efficiency. As technology continues to advance, the significance of rough vacuum systems will likely grow, paving the way for new discoveries and improvements in numerous fields. Therefore, grasping the concept of a rough vacuum is not only beneficial but necessary for those involved in scientific research and engineering disciplines.

在物理和工程领域，粗真空的概念对于各种应用至关重要，包括科学实验、工业过程以及不同类型机械的运行。粗真空指的是一种真空状态，该状态并非完全没有物质，但其压力显著低于大气条件。通常，粗真空被定义为压力范围从约1个大气压（101.3 kPa）到约0.001个大气压（0.1 kPa）。这一真空水平通常足以满足许多实际应用，如半导体生产，在该过程中必须尽量减少污染，以确保产品质量。理解粗真空的性质对从事真空系统工作的科学家和工程师至关重要。创建粗真空通常涉及使用机械泵，这些泵从密封环境中去除空气和其他气体。这些泵可以达到不同程度的真空，泵的效率决定了建立粗真空的速度和有效性。一旦实现粗真空，可以通过额外的抽气技术进一步精炼，以创造更高的真空。粗真空的重要性不仅在于创造低压环境。在许多实验设置中，达到粗真空对于减少空气阻力和污染的影响至关重要。例如，在粒子物理学中，在粗真空中进行的实验允许研究人员观察粒子而不受空气分子的干扰。这导致更准确的测量和对基本物理现象的更好理解。此外，在制造行业，粗真空在真空涂层和干燥等过程中也发挥着重要作用。在真空涂层过程中，材料在受控环境中沉积到表面上，防止氧化并确保均匀涂覆。同样，在干燥过程中，粗真空有助于在不暴露于高温的情况下去除产品中的水分，否则可能会造成损坏。总之，术语粗真空概括了现代科学和技术的一个关键方面。它代表了在各种应用中实现低压力与保持实用之间的平衡。无论是在实验室还是工业环境中，理解和利用粗真空对于创新和效率至关重要。随着技术的不断进步，粗真空系统的重要性可能会进一步增长，为多个领域的新发现和改进铺平道路。因此，掌握粗真空的概念不仅是有益的，而且是参与科学研究和工程学科的人所必需的。