high vacuum

简明释义

高真空

英英释义

例句

1.The laboratory requires a high vacuum 高真空 environment to conduct precise experiments.

这个实验室需要一个高真空 高真空的环境来进行精确的实验。

2.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 高真空对质量控制至关重要。

3.To ensure accurate results, the experiment must be conducted in a high vacuum 高真空 environment.

为了确保结果准确，实验必须在高真空 高真空环境中进行。

4.The high vacuum 高真空 system helps to prevent contamination during the coating process.

这个高真空 高真空系统有助于在涂层过程中防止污染。

5.A high vacuum 高真空 chamber is used to test the properties of materials under extreme conditions.

一个高真空 高真空腔室用于测试材料在极端条件下的性质。

作文

In the field of physics and engineering, the term high vacuum refers to a state of very low pressure in a given environment, typically below 10^-7 torr. Achieving a high vacuum is crucial for various applications, including semiconductor manufacturing, electron microscopy, and particle accelerators. The importance of maintaining a high vacuum cannot be overstated, as it significantly reduces the number of gas molecules present in a chamber, thereby minimizing interference during experiments or production processes.For instance, in semiconductor manufacturing, the presence of even a few gas molecules can lead to defects in the microchips being produced. Therefore, engineers employ vacuum pumps and other technologies to create and maintain a high vacuum environment. This process involves several stages, starting from rough vacuum levels and progressing to high vacuum levels through different types of pumps, such as rotary vane pumps and turbo molecular pumps.Another area where high vacuum is essential is in electron microscopy. In this field, electrons are used to image specimens at extremely high resolutions. However, when electrons travel through air, they scatter, which can distort the images. By working in a high vacuum, researchers can ensure that electrons travel unobstructed, resulting in clearer and more accurate images. This capability has revolutionized materials science and biology, allowing scientists to observe structures at the atomic level.Moreover, particle accelerators, which are large machines used to collide particles at high speeds, also require a high vacuum environment. The collisions produce fundamental particles that help physicists understand the universe's basic building blocks. Any gas present in the accelerator could interfere with the particle beams, thus compromising the results of experiments. Therefore, a high vacuum is vital to the successful operation of these complex machines.However, achieving and maintaining a high vacuum is not without its challenges. Equipment must be designed to withstand the extreme conditions associated with low pressures, and regular maintenance is necessary to ensure that the vacuum levels remain stable. Furthermore, leaks in the system can lead to a rapid loss of vacuum, necessitating immediate repairs to prevent disruptions in ongoing experiments or manufacturing processes.In conclusion, the concept of high vacuum plays a pivotal role in modern science and technology. From semiconductor fabrication to advanced imaging techniques and particle physics research, the ability to create and maintain a high vacuum environment is essential for achieving accurate results and advancing our understanding of the physical world. As technology continues to evolve, the methods for achieving high vacuum will likely become more sophisticated, opening new avenues for research and innovation in various fields.

在物理和工程学领域，术语高真空指的是给定环境中非常低的压力状态，通常低于10^-7托。实现高真空对各种应用至关重要，包括半导体制造、电子显微镜和粒子加速器。保持高真空的重要性不容忽视，因为它显著减少了腔室内存在的气体分子数量，从而在实验或生产过程中最小化干扰。例如，在半导体制造中，即使是少量气体分子的存在也可能导致所生产的微芯片出现缺陷。因此，工程师们使用真空泵和其他技术来创造和维持高真空环境。这个过程涉及多个阶段，从粗真空水平开始，经过不同类型的泵（如旋片泵和涡轮分子泵）逐步达到高真空水平。另一个需要高真空的重要领域是电子显微镜。在这个领域中，电子被用来以极高的分辨率成像样本。然而，当电子在空气中传播时，它们会散射，这可能会扭曲图像。通过在高真空中工作，研究人员可以确保电子无障碍地传播，从而产生更清晰、更准确的图像。这种能力彻底改变了材料科学和生物学，使科学家能够观察到原子级别的结构。此外，粒子加速器也是大型机器，用于以高速碰撞粒子，也需要高真空环境。这些碰撞产生基本粒子，帮助物理学家理解宇宙的基本构建块。加速器中存在的任何气体都可能干扰粒子束，从而妨碍实验结果。因此，高真空对于这些复杂机器的成功运行至关重要。然而，实现和维持高真空并非没有挑战。设备必须设计成能够承受与低压相关的极端条件，并且定期维护是必要的，以确保真空水平保持稳定。此外，系统中的泄漏会导致真空的快速损失，因此需要立即修复，以防止正在进行的实验或生产过程中的中断。总之，高真空的概念在现代科学和技术中发挥着关键作用。从半导体制造到先进成像技术和粒子物理研究，创造和维持高真空环境的能力对于实现准确结果和推动我们对物理世界的理解至关重要。随着技术的不断发展，达到高真空的方法可能会变得更加复杂，为各个领域的研究和创新开辟新的途径。