rough vacuum

简明释义

低真空

英英释义

例句

1.The vacuum pump can achieve a rough vacuum quickly, allowing for faster processing times.

该真空泵可以快速达到粗真空，从而加快处理时间。

2.Before reaching high vacuum levels, the system must first establish a rough vacuum.

在达到高真空水平之前，系统必须首先建立粗真空。

3.For some applications, maintaining a rough vacuum is essential to prevent contamination.

对于某些应用，维持粗真空 对防止污染至关重要。

4.A rough vacuum is often used in the drying process of certain materials.

在某些材料的干燥过程中，通常使用粗真空。

5.In many laboratories, a rough vacuum is sufficient for preliminary experiments.

在许多实验室中，粗真空 对于初步实验是足够的。

作文

In the world of physics and engineering, the term rough vacuum refers to a state of low pressure that is not as extreme as high vacuum conditions. A rough vacuum is generally characterized by pressures ranging from atmospheric pressure down to about 0.001 torr. This level of vacuum is often sufficient for many industrial processes and scientific experiments. Understanding the concept of rough vacuum is essential for various applications, including material processing, research, and even in the production of electronic components.To illustrate the significance of rough vacuum, let’s consider its role in the manufacturing of semiconductors. In this industry, achieving a rough vacuum is crucial for removing contaminants from the surface of silicon wafers before they undergo further processing. By creating a rough vacuum, manufacturers can ensure a cleaner environment, which is vital for producing high-quality semiconductor devices. The presence of unwanted particles can lead to defects and inefficiencies in the final product, making the understanding of rough vacuum even more critical.Moreover, the creation of a rough vacuum is often the first step in achieving higher levels of vacuum needed for more sensitive experiments. For instance, in laboratories where scientists conduct experiments involving gases, achieving a rough vacuum allows them to minimize the number of gas molecules present, thereby reducing interference in their measurements. This is particularly important in fields such as chemistry and physics, where precise measurements can significantly affect the outcomes of experiments.In addition to its importance in manufacturing and research, rough vacuum also has practical applications in everyday life. For example, vacuum packaging is a common method used to preserve food. By creating a rough vacuum around food items, manufacturers can extend shelf life by reducing the amount of oxygen that can promote spoilage. This application highlights how the principles of rough vacuum are not only confined to industrial or scientific settings but also play a role in consumer products.Furthermore, understanding how to create and maintain a rough vacuum is essential for engineers and technicians who work with vacuum systems. These systems often involve pumps and valves that must be carefully calibrated to achieve the desired level of vacuum. Knowledge of rough vacuum principles helps professionals troubleshoot issues that may arise during operation, ensuring that processes run smoothly and efficiently.In conclusion, the term rough vacuum encompasses a range of important concepts that are fundamental to various fields, including manufacturing, research, and everyday applications. By grasping the significance of rough vacuum, individuals can better appreciate its impact on technology and science. As industries continue to evolve, the understanding and utilization of rough vacuum will remain crucial in driving innovation and improving product quality. Therefore, whether in a laboratory, factory, or kitchen, the principles of rough vacuum play an indispensable role in modern life.

在物理和工程的世界中，术语粗真空指的是一种低压状态，它并不像高真空条件那样极端。粗真空通常的特征是压力范围从大气压力到约0.001托。这种真空水平通常足以满足许多工业过程和科学实验的需要。理解粗真空的概念对于各种应用至关重要，包括材料加工、研究，甚至电子元件的生产。为了说明粗真空的重要性，让我们考虑它在半导体制造中的作用。在这个行业中，达到粗真空对于在硅晶圆表面去除污染物至关重要，这些硅晶圆在进一步处理之前需要进行清洁。通过创造粗真空，制造商可以确保一个更干净的环境，这对于生产高质量的半导体设备至关重要。存在不必要的颗粒会导致缺陷和效率低下，使对粗真空的理解变得更加关键。此外，创建粗真空通常是实现更高真空水平的第一步，而这些更高真空水平对于更敏感的实验是必需的。例如，在科学家进行涉及气体的实验的实验室中，达到粗真空允许他们最小化存在的气体分子数量，从而减少对测量的干扰。这在化学和物理等领域尤其重要，在这些领域中，精确的测量可能会显著影响实验的结果。除了在制造和研究中的重要性之外，粗真空在日常生活中也有实际应用。例如，真空包装是一种常用的方法，用于保存食物。通过在食品周围创造粗真空，制造商可以通过减少促进腐败的氧气的数量来延长保质期。这一应用突显了粗真空的原理不仅限于工业或科学环境，还在消费产品中发挥着作用。此外，了解如何创建和维持粗真空对于与真空系统一起工作的工程师和技术人员至关重要。这些系统通常涉及泵和阀，必须仔细校准以实现所需的真空水平。掌握粗真空原理有助于专业人员排除在操作过程中可能出现的问题，从而确保过程顺利高效地进行。总之，术语粗真空涵盖了一系列重要的概念，这些概念对于制造、研究和日常应用等各个领域都是基础。通过掌握粗真空的重要性，个人可以更好地欣赏其对技术和科学的影响。随着各行业的不断发展，对粗真空的理解和利用将继续在推动创新和提高产品质量方面发挥关键作用。因此，无论是在实验室、工厂还是厨房，粗真空的原理在现代生活中都扮演着不可或缺的角色。