subatmospheric pressure

简明释义

真空度

英英释义

例句

1.To preserve the freshness of the food, it is sealed in packaging that maintains subatmospheric pressure.

为了保持食物的新鲜度，它被密封在保持亚气压的包装中。

2.The subatmospheric pressure in the container prevents the boiling of liquids at room temperature.

容器内的亚气压防止液体在室温下沸腾。

3.In aerospace applications, maintaining subatmospheric pressure is crucial for simulating high-altitude conditions.

在航空航天应用中，维持亚气压对模拟高海拔条件至关重要。

4.The vacuum chamber operates at subatmospheric pressure, which allows for experiments in a controlled environment.

真空室在亚气压下运行，这样可以在受控环境中进行实验。

5.During the test, the scientists created a subatmospheric pressure condition to study gas behavior.

在测试过程中，科学家们创造了亚气压条件以研究气体行为。

作文

Understanding the concept of subatmospheric pressure is crucial in various fields, including meteorology, engineering, and even medicine. Subatmospheric pressure refers to any pressure that is lower than the standard atmospheric pressure, which is approximately 101.3 kPa (kilopascals) at sea level. This phenomenon occurs under specific conditions and has significant implications for both natural and artificial systems.In meteorology, subatmospheric pressure plays a vital role in weather patterns and phenomena. For instance, hurricanes and tornadoes are characterized by areas of subatmospheric pressure. These low-pressure systems can lead to severe weather conditions, including high winds and heavy rainfall. The understanding of how subatmospheric pressure affects air movement helps meteorologists predict storms and issue warnings, thereby saving lives and property.In engineering, particularly in the design of vacuum systems, subatmospheric pressure is an essential factor. Vacuum pumps create environments where the pressure is significantly lower than atmospheric pressure, allowing for processes such as material coating, food packaging, and chemical reactions. Engineers must carefully calculate the subatmospheric pressure required for these applications to ensure efficiency and safety. If the pressure is not adequately controlled, it can lead to equipment failure or hazardous situations.Moreover, in the field of medicine, subatmospheric pressure is utilized in various therapeutic techniques. For example, negative pressure wound therapy (NPWT) employs subatmospheric pressure to promote healing in chronic wounds. By applying this pressure, blood flow to the area is enhanced, and excess fluid is removed, creating an optimal environment for tissue regeneration. Understanding the principles behind subatmospheric pressure allows healthcare professionals to harness its benefits effectively.The effects of subatmospheric pressure are not limited to these fields alone. In everyday life, we encounter instances of subatmospheric pressure as well. For example, when we drink through a straw, we create a subatmospheric pressure inside the straw, which allows the liquid to rise and reach our mouths. This simple action demonstrates how subatmospheric pressure operates on a fundamental level, affecting our daily experiences.Furthermore, understanding subatmospheric pressure can lead to advancements in technology and science. Researchers are continually exploring the applications of subatmospheric pressure in new materials, energy production, and environmental control. For instance, scientists are investigating how subatmospheric pressure can improve the efficiency of solar panels by reducing the resistance that air creates.In conclusion, the concept of subatmospheric pressure is multifaceted and essential across various domains. From understanding weather patterns to enhancing medical treatments and improving engineering designs, subatmospheric pressure influences many aspects of our lives. By grasping the significance and applications of this phenomenon, we can better appreciate the complexities of the world around us and utilize this knowledge for future innovations and improvements.

理解亚大气压力的概念在气象学、工程学甚至医学等多个领域中至关重要。亚大气压力是指低于标准大气压力的任何压力，标准大气压力在海平面上约为101.3 kPa（千帕）。这一现象在特定条件下发生，并对自然和人造系统具有重要影响。在气象学中，亚大气压力在天气模式和现象中发挥着重要作用。例如，飓风和龙卷风的特点是存在亚大气压力区域。这些低压系统可以导致严重的天气条件，包括强风和大雨。理解亚大气压力如何影响空气运动，帮助气象学家预测风暴并发布警报，从而拯救生命和财产。在工程学中，尤其是在真空系统的设计中，亚大气压力是一个必不可少的因素。真空泵创造了一个压力远低于大气压力的环境，允许材料涂层、食品包装和化学反应等过程进行。工程师必须仔细计算这些应用所需的亚大气压力，以确保效率和安全。如果压力未得到适当控制，可能会导致设备故障或危险情况。此外，在医学领域，亚大气压力被用于各种治疗技术。例如，负压伤口治疗（NPWT）利用亚大气压力来促进慢性伤口的愈合。通过施加这种压力，血液流向该区域得到增强，过量液体被移除，创造出有利于组织再生的最佳环境。理解亚大气压力背后的原理使医疗专业人员能够有效利用其好处。亚大气压力的影响不仅限于这些领域。在日常生活中，我们也会遇到亚大气压力的实例。例如，当我们通过吸管饮水时，我们在吸管内部创造了一个亚大气压力，这使得液体上升并到达我们的嘴里。这一简单的动作展示了亚大气压力如何在基础层面上运作，影响我们日常的体验。此外，理解亚大气压力可以推动科技和科学的进步。研究人员不断探索亚大气压力在新材料、能源生产和环境控制中的应用。例如，科学家正在研究如何通过减少空气产生的阻力来提高太阳能电池板的效率。总之，亚大气压力的概念是多方面的，并且在各个领域中至关重要。从理解天气模式到增强医疗治疗和改善工程设计，亚大气压力影响着我们生活的许多方面。通过掌握这一现象的重要性和应用，我们可以更好地欣赏周围世界的复杂性，并利用这些知识推动未来的创新和改进。