explosive limit

简明释义

爆炸极限

英英释义

The explosive limit refers to the range of concentrations of a flammable substance in the air within which an explosion can occur if an ignition source is present.

爆炸极限是指可燃物质在空气中浓度的范围,只有在存在点火源的情况下,才会发生爆炸。

例句

1.Monitoring devices are installed to alert us when we approach the explosive limit of the gas.

监测设备已安装,以便在我们接近气体的爆炸极限时发出警报。

2.The explosive limit for hydrogen is particularly low, requiring careful handling.

氢气的爆炸极限特别低,因此需要小心处理。

3.Proper ventilation is essential to ensure that the concentration does not reach the explosive limit in confined spaces.

适当的通风对于确保浓度不会达到封闭空间中的爆炸极限至关重要。

4.The safety manual states that the gas has an explosive limit of 5-15%, meaning it can ignite if its concentration falls within this range.

安全手册指出,该气体的爆炸极限为5-15%,这意味着如果其浓度在此范围内,就可能引发点燃。

5.Before starting the experiment, we need to determine the explosive limit of the chemicals involved.

在开始实验之前,我们需要确定所涉及化学品的爆炸极限

作文

In the field of chemistry and safety engineering, understanding the concept of explosive limit is crucial for preventing accidents and ensuring safe handling of hazardous materials. The term explosive limit refers to the specific concentration range of a gas or vapor in the air that can ignite and cause an explosion. This range is defined by two key values: the lower explosive limit (LEL) and the upper explosive limit (UEL). When the concentration of the gas falls below the LEL, there is not enough fuel to sustain combustion. Conversely, if the concentration exceeds the UEL, there is too much fuel, and the mixture becomes too rich to ignite. Understanding these limits is vital for industries that deal with flammable substances, such as oil and gas, chemical manufacturing, and even food processing. For instance, in a factory where volatile solvents are used, workers must be aware of the explosive limit of these solvents to prevent dangerous situations. Proper ventilation, monitoring of gas concentrations, and the use of explosion-proof equipment are essential safety measures to mitigate the risks associated with these substances.The importance of knowing the explosive limit extends beyond industrial applications. It is also relevant in everyday life. For example, when using aerosol sprays, one should be cautious about using them near open flames or heat sources. The propellants in these sprays can have low explosive limits, making it easy for them to ignite under certain conditions. Therefore, understanding how to handle such products safely is imperative for consumers.Moreover, the concept of explosive limit is critical during emergency response situations. Firefighters and hazardous materials teams need to quickly assess whether a situation poses an explosion risk based on the substances involved and their explosive limits. This knowledge helps them make informed decisions about evacuation, containment, and firefighting strategies.In conclusion, the explosive limit is a fundamental concept that plays a significant role in safety across various sectors. By understanding the implications of this term, individuals and organizations can take proactive measures to prevent explosions and ensure a safer environment. Knowledge of the explosive limit not only protects lives but also safeguards property and the environment from the devastating effects of explosions. As we continue to innovate and develop new technologies, maintaining awareness of the explosive limit will remain a critical aspect of safety management in industries worldwide.

在化学和安全工程领域,理解爆炸极限这一概念对于防止事故和确保危险材料的安全处理至关重要。术语爆炸极限指的是气体或蒸汽在空气中能够点燃并引发爆炸的特定浓度范围。这个范围由两个关键值定义:下爆炸极限(LEL)和上爆炸极限(UEL)。当气体的浓度低于LEL时,燃料不足以维持燃烧。相反,如果浓度超过UEL,则燃料过多,混合物变得过于浓稠而无法点燃。了解这些极限对于处理易燃物质的行业至关重要,例如石油和天然气、化工制造甚至食品加工。例如,在使用挥发性溶剂的工厂中,工人必须了解这些溶剂的爆炸极限,以防止危险情况的发生。适当的通风、气体浓度监测以及使用防爆设备是减轻与这些物质相关的风险的基本安全措施。了解爆炸极限的重要性不仅限于工业应用。在日常生活中也同样相关。例如,在使用气雾剂时,人们应谨慎避免在明火或热源附近使用它们。这些喷雾中的推进剂可能具有较低的爆炸极限,使其在某些条件下易于点燃。因此,了解如何安全处理此类产品对消费者来说至关重要。此外,爆炸极限的概念在应急响应情况下也至关重要。消防员和危险材料团队需要迅速评估涉及的物质及其爆炸极限是否构成爆炸风险。这一知识帮助他们在撤离、控制和灭火策略方面做出明智的决定。总之,爆炸极限是一个基本概念,在各个领域的安全管理中发挥着重要作用。通过理解这一术语的含义,个人和组织可以采取主动措施来防止爆炸,确保环境更安全。对爆炸极限的认识不仅保护了生命,也保护了财产和环境,免受爆炸带来的毁灭性影响。随着我们继续创新和发展新技术,保持对爆炸极限的关注将始终是全球各行业安全管理的关键方面。

相关单词

explosive

explosive详解:怎么读、什么意思、用法