high vacuum

简明释义

高真空

英英释义

例句

1.The research team is working on improving the high vacuum 高真空 conditions in their setup.

研究小组正在努力改善他们设备中的高真空 高真空条件。

2.In semiconductor manufacturing, achieving a high vacuum 高真空 is crucial for the deposition process.

在半导体制造中，实现高真空 高真空对沉积过程至关重要。

3.The high vacuum 高真空 chamber prevents contamination during experiments.

该高真空 高真空腔室防止实验过程中的污染。

4.The laboratory requires a high vacuum 高真空 environment for accurate measurements.

实验室需要一个高真空 高真空环境以确保测量的准确性。

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

电子显微镜需要一个高真空 高真空系统。

作文

In the field of physics and engineering, the term high vacuum refers to a state where the pressure is significantly lower than atmospheric pressure. This condition is essential for various scientific experiments and industrial processes. Understanding the concept of high vacuum is crucial for anyone involved in research or manufacturing that requires precise control of environmental conditions.The creation of a high vacuum environment is achieved using vacuum pumps that remove air and other gases from a sealed chamber. The effectiveness of these pumps is measured in terms of the pressure they can achieve, often expressed in pascals (Pa) or torr. A high vacuum is generally considered to be a pressure below 1 x 10^-3 torr (or 0.001 torr), which is equivalent to about 0.1333 millibars. At this level of vacuum, the mean free path of gas molecules is significantly increased, allowing for more controlled experimental conditions.One of the primary applications of high vacuum technology is in the field of semiconductor manufacturing. The production of integrated circuits requires environments free from contaminants that could interfere with the delicate processes involved. By maintaining a high vacuum, manufacturers can ensure that the materials used in chip fabrication are not compromised by unwanted particles or gases.Another important application of high vacuum is in the realm of surface science. Researchers studying material properties at the atomic level often utilize high vacuum systems to prevent oxidation and other chemical reactions that would occur in the presence of air. This allows scientists to conduct experiments that yield more accurate and reliable data.Moreover, high vacuum is critical in the field of space simulation. To test spacecraft and satellite components, engineers must replicate the conditions of outer space, which includes a near-perfect vacuum. By using high vacuum chambers, they can assess how materials and systems will behave when exposed to the vacuum of space, ensuring their reliability during actual missions.The importance of high vacuum extends beyond just scientific research. It also plays a vital role in the production of high-quality products in various industries. For example, in the field of metallurgy, high vacuum melting techniques are used to produce alloys with superior properties. By melting metals in a high vacuum, manufacturers can eliminate impurities that would otherwise weaken the final product.In conclusion, the concept of high vacuum is integral to numerous scientific and industrial processes. Its ability to create an environment free from contaminants allows researchers and manufacturers to achieve higher precision and quality in their work. As technology continues to advance, the applications of high vacuum systems are likely to expand, further emphasizing its significance in modern science and engineering.

在物理和工程领域，术语高真空指的是压力显著低于大气压力的状态。这种条件对于各种科学实验和工业过程至关重要。理解高真空的概念对于任何参与需要精确控制环境条件的研究或制造的人来说都是至关重要的。创建高真空环境是通过使用真空泵从密封腔室中去除空气和其他气体来实现的。这些泵的有效性通常以它们所能达到的压力来衡量，通常用帕斯卡（Pa）或托（torr）表示。高真空通常被认为是压力低于1 x 10^-3 torr（或0.001 torr），这相当于约0.1333毫巴。在这种真空水平下，气体分子的平均自由程显著增加，从而允许更可控的实验条件。高真空技术的主要应用之一是在半导体制造领域。集成电路的生产需要无污染的环境，以防止干扰微妙的制造过程。通过维持高真空，制造商可以确保芯片制造中使用的材料不受不必要的颗粒或气体的影响。高真空的另一个重要应用是在表面科学领域。研究材料在原子级别的性质的研究人员通常利用高真空系统来防止氧化和在空气存在下发生的其他化学反应。这使得科学家能够进行实验，从而获得更准确和可靠的数据。此外，高真空在空间模拟领域至关重要。为了测试航天器和卫星部件，工程师必须复制外太空的条件，包括近乎完美的真空。通过使用高真空腔，他们可以评估材料和系统在暴露于太空真空时的表现，确保它们在实际任务中的可靠性。高真空的重要性不仅限于科学研究。它在各个行业的高质量产品生产中也扮演着至关重要的角色。例如，在冶金领域，采用高真空熔炼技术来生产具有优越性能的合金。通过在高真空中熔化金属，制造商可以消除会削弱最终产品的杂质。总之，高真空的概念对于众多科学和工业过程至关重要。它创造了一个没有污染的环境，使研究人员和制造商能够在工作中实现更高的精度和质量。随着技术的不断进步，高真空系统的应用可能会扩展，进一步强调其在现代科学和工程中的重要性。