high vacuum

简明释义

高真空

英英释义

例句

1.The experiment requires a high vacuum 高真空 to prevent contamination.

实验需要一个高真空 high vacuum以防止污染。

2.To conduct the test, we need to create a high vacuum 高真空 in the reactor.

为了进行测试，我们需要在反应器中创造一个高真空 high vacuum。

3.The vacuum chamber was designed to maintain a high vacuum 高真空 environment.

真空室被设计成能够维持高真空 high vacuum环境。

4.In semiconductor manufacturing, achieving a high vacuum 高真空 is crucial for quality control.

在半导体制造中，实现高真空 high vacuum对质量控制至关重要。

5.A high vacuum 高真空 is essential for electron microscopy.

电子显微镜需要一个高真空 high vacuum。

作文

In the field of physics and engineering, the term high vacuum refers to a state of very low pressure, significantly lower than atmospheric pressure. This condition is achieved when the number of gas molecules in a given volume is substantially reduced. The concept of high vacuum is crucial for various applications, including scientific research, semiconductor manufacturing, and space simulations. Understanding high vacuum is essential for anyone interested in these fields.The importance of achieving a high vacuum cannot be overstated. In scientific experiments, especially in particle physics and quantum mechanics, a high vacuum environment minimizes the interference from air molecules. This allows researchers to observe phenomena without the distortion caused by atmospheric gases. For instance, in a particle accelerator, maintaining a high vacuum ensures that particles can travel unimpeded, leading to more accurate results.Similarly, in the manufacturing of semiconductors, a high vacuum is necessary to create pure and defect-free materials. The presence of even a small number of contaminants can drastically affect the performance of electronic components. Therefore, processes such as chemical vapor deposition (CVD) and physical vapor deposition (PVD) rely on high vacuum conditions to produce high-quality films and coatings.Additionally, high vacuum technology plays a vital role in the aerospace industry. During the testing of spacecraft and satellites, simulating the vacuum of space is crucial. Engineers use high vacuum chambers to replicate the conditions of outer space, ensuring that the equipment will function properly once launched. This testing helps prevent failures that could occur due to the harsh environment of space.Achieving a high vacuum involves various techniques and technologies. One common method is the use of vacuum pumps, which remove air and other gases from a sealed environment. There are different types of vacuum pumps, including rotary vane pumps and turbomolecular pumps, each suited for specific applications and levels of vacuum. The effectiveness of these pumps determines how quickly and efficiently a high vacuum can be achieved.Moreover, the measurement of vacuum levels is critical in maintaining high vacuum conditions. Instruments such as ionization gauges and capacitance manometers are used to monitor the pressure within a vacuum system. Accurate measurements ensure that the desired high vacuum level is maintained throughout the process, whether it be an experiment or a manufacturing operation.In conclusion, the concept of high vacuum is fundamental in various scientific and industrial applications. Its significance lies in its ability to create environments free from air interference, allowing for precise measurements and high-quality production. As technology advances, the methods for achieving and maintaining high vacuum will continue to evolve, further enhancing our capabilities in research and industry. Understanding high vacuum and its applications is essential for anyone looking to work in these cutting-edge fields.

在物理和工程领域，术语高真空指的是一种非常低的压力状态，显著低于大气压力。当给定体积内的气体分子数量大幅减少时，就会达到这种状态。高真空的概念对于各种应用至关重要，包括科学研究、半导体制造和空间模拟。理解高真空对任何对这些领域感兴趣的人来说都是必不可少的。实现高真空的重要性不容小觑。在科学实验中，特别是在粒子物理学和量子力学中，高真空环境可以最小化空气分子的干扰。这使研究人员能够观察现象，而不会受到大气气体造成的扭曲。例如，在粒子加速器中，保持高真空确保粒子可以畅通无阻地传播，从而导致更准确的结果。同样，在半导体制造中，高真空是制造纯净且无缺陷材料所必需的。即使是少量污染物的存在也会极大地影响电子元件的性能。因此，化学气相沉积（CVD）和物理气相沉积（PVD）等工艺依赖于高真空条件来生产高质量的薄膜和涂层。此外，高真空技术在航空航天工业中发挥着至关重要的作用。在航天器和卫星的测试过程中，模拟太空的真空条件至关重要。工程师使用高真空腔体来复制外太空的条件，以确保设备在发射后能够正常工作。这种测试有助于防止因太空恶劣环境而导致的故障。实现高真空涉及各种技术和工艺。一种常见的方法是使用真空泵，这些泵可以从密封环境中去除空气和其他气体。真空泵有不同类型，包括旋片泵和涡轮分子泵，每种泵适用于特定的应用和真空水平。这些泵的有效性决定了实现高真空的速度和效率。此外，真空水平的测量对于维持高真空条件至关重要。电离计和电容压力计等仪器用于监测真空系统内的压力。准确的测量确保在整个过程中所需的高真空水平得以维持，无论是实验还是制造操作。总之，高真空的概念在各种科学和工业应用中都是基础性的。它的重要性在于能够创造出没有空气干扰的环境，从而允许精确测量和高质量生产。随着技术的进步，实现和维持高真空的方法将继续演变，进一步增强我们在研究和工业中的能力。理解高真空及其应用对于任何希望在这些前沿领域工作的人来说都是至关重要的。