airtightness

简明释义

英[ˈɛrtaɪt.nəs]美[ˈɛrtaɪt.nəs]

n. 密封性

英英释义

单词用法

同义词

反义词

例句

1.In this paper, the performance of the airtightness for vacuum coating equipment, the characteristics of leak detection with Helium Mass-spectrometer and the leak detection system are described.

本文论述了真空镀膜设备气密性的特点、氦质谱仪检漏特点及其检漏系统，说明氦质谱仪检漏是检查真空镀膜设备漏气的最有效的方法。

2.Plastics piping systems. Thermoplastics piping systems for soil and waste discharge. Test method for airtightness of joints.

塑料管道系统。土壤和废料排出用热塑管道系统。粘接处密封度试验方法。

3.The principle of a composite test device for airtightness of automobile compartments and air volume of air conditioners was described.

论述了客车车室气密性和车用空调风量综合试验装置的原理。

4.The invention has the advantages that airtightness of the closed container lid can be kept, and well sanitary environment can be kept.

本发明的有益效果如下：本密闭容器盖可以保持气密性，还能保 持良好的卫生环境。

5.Subsequently, an airtightness value of the enclosed space is calculated by taking into account the determined concentration modification rate.

最后，考虑先前测定的浓度变化率， 所述封闭空间的气密性值可以被计算出来。

6.Airtightness as well as uniform electric field is of great importance to the stability of the electrolysis system.

密封性以及均匀电场对电解体系的稳定性十分重要。

7.Through the study on improving of the airtightness of aircraft cockpit, selection and application in a type of aircraft for XM - 17A non-drying putty were introduced.

通过对某型飞机座舱气密性改进研究，介绍了XM-17A不干性腻子的选用及在某型飞机上的应用。

8.An airtightness test is essential for ensuring the safety of the storage tanks.

进行密封性测试对确保储罐的安全至关重要。

9.The engineer tested the airtightness of the new insulation material.

工程师测试了新绝缘材料的密封性。

10.The packaging of the food must ensure its airtightness to prevent spoilage.

食品的包装必须确保其密封性以防止变质。

11.The airtightness of the container prevents any contamination from entering.

容器的密封性防止任何污染物进入。

12.To maintain the quality of the wine, the bottle should have perfect airtightness.

为了保持葡萄酒的质量，瓶子应具有完美的密封性。

作文

In the realm of science and engineering, the term airtightness refers to the quality of being sealed so that air cannot escape or enter. This concept is crucial in various applications, ranging from the construction of buildings to the design of packaging materials. The importance of airtightness can be seen in multiple industries, including food preservation, pharmaceuticals, and even aerospace technology. When a product is designed to be airtight, it ensures that the contents remain uncontaminated and maintain their intended properties over time.For instance, in the food industry, maintaining airtightness in packaging is vital for preventing spoilage. Products such as dried fruits, snacks, and vacuum-sealed meats benefit greatly from this feature. When packaging is airtight, it minimizes the exposure to oxygen and moisture, which are two primary factors that contribute to food degradation. Consequently, consumers can enjoy fresher products for extended periods, reducing waste and enhancing overall satisfaction.Similarly, in the pharmaceutical sector, airtightness plays a significant role in ensuring the efficacy of medications. Many drugs are sensitive to environmental conditions, such as humidity and air exposure. By using airtight containers, manufacturers can protect these medications from degradation, ensuring that patients receive effective treatments without compromising their health.Moreover, the concept of airtightness extends beyond packaging and into the realm of building construction. Modern architecture increasingly emphasizes energy efficiency, and one of the key factors in achieving this is ensuring that buildings are airtight. Proper insulation and sealing techniques prevent unwanted air leaks, which can lead to significant energy loss. This not only reduces heating and cooling costs but also contributes to a more sustainable environment by minimizing the carbon footprint associated with energy consumption.In the context of aerospace engineering, airtightness is critical for the safety and functionality of aircraft and spacecraft. These vehicles must withstand extreme pressure changes during flight, and any breach in airtightness could result in catastrophic failure. Engineers meticulously design and test components to ensure they can maintain airtight conditions under varying atmospheric pressures, ensuring the safety of passengers and cargo alike.In conclusion, the significance of airtightness cannot be overstated. Whether in food packaging, pharmaceuticals, building construction, or aerospace engineering, the ability to create and maintain airtight environments is essential for quality, safety, and efficiency. As technology continues to advance, the methods and materials used to achieve airtightness will evolve, further enhancing our ability to protect products, conserve energy, and ensure safety in various applications. Understanding and applying the principles of airtightness will remain a fundamental aspect of innovation across multiple fields, ultimately benefiting society as a whole.

在科学和工程领域，术语airtightness指的是密封的质量，使空气无法进出。这个概念在各种应用中至关重要，从建筑的施工到包装材料的设计。airtightness的重要性可以在多个行业中看到，包括食品保存、制药甚至航空航天技术。当一个产品被设计为airtight时，它确保内容物保持不受污染，并在一段时间内保持其预期的特性。例如，在食品行业，保持包装的airtightness对于防止变质至关重要。像干果、零食和真空密封肉类这样的产品极大地受益于这一特性。当包装是airtight时，它最小化了对氧气和水分的暴露，这两者是导致食品降解的主要因素。因此，消费者可以在更长时间内享用更新鲜的产品，减少浪费并提升整体满意度。同样，在制药领域，airtightness在确保药物有效性方面发挥着重要作用。许多药物对环境条件（如湿度和空气暴露）敏感。通过使用airtight容器，制造商可以保护这些药物免受降解，确保患者接受有效的治疗而不影响他们的健康。此外，airtightness的概念超越了包装，进入建筑施工领域。现代建筑越来越强调能源效率，而实现这一目标的关键因素之一是确保建筑物是airtight的。适当的绝缘和密封技术可以防止不必要的空气泄漏，这可能导致显著的能源损失。这不仅减少了供暖和制冷成本，还通过最小化与能源消耗相关的碳足迹，为更可持续的环境做出贡献。在航空航天工程的背景下，airtightness对于飞机和航天器的安全性和功能至关重要。这些车辆必须承受飞行过程中极端的压力变化，任何airtightness的破裂都可能导致灾难性的失败。工程师们精心设计和测试组件，以确保它们能够在不同的大气压力下保持airtight条件，从而确保乘客和货物的安全。总之，airtightness的重要性不容低估。无论是在食品包装、制药、建筑施工还是航空航天工程中，创造和维持airtight环境的能力对于质量、安全和效率至关重要。随着技术的不断进步，用于实现airtightness的方法和材料将不断演变，进一步增强我们保护产品、节约能源和确保各类应用安全的能力。理解和应用airtightness的原则将始终是多个领域创新的基本方面，最终惠及整个社会。