flammable range

简明释义

可燃范围

英英释义

例句

1.The technician explained that the chemical's flammable range (可燃范围) is between 10% and 15% concentration in air.

技术员解释说，该化学品的flammable range（可燃范围）在空气中的浓度为10%到15%之间。

2.It is crucial to monitor the flammable range (可燃范围) when working with volatile substances.

在处理挥发性物质时，监测flammable range（可燃范围）是至关重要的。

3.Before starting the experiment, the scientist checked the flammable range (可燃范围) of the gas being used.

在实验开始之前，科学家检查了所用气体的flammable range（可燃范围）。

4.The safety manual emphasized the importance of staying outside the flammable range (可燃范围) during storage.

安全手册强调在储存期间保持在flammable range（可燃范围）之外的重要性。

5.A fire can occur if the mixture falls within the flammable range (可燃范围) of gases present.

如果混合物落入存在的气体的flammable range（可燃范围）内，可能会发生火灾。

作文

Understanding the concept of the flammable range is crucial for anyone working with or around combustible materials. The flammable range, also known as the explosive limits, refers to the concentration of a gas or vapor in the air that can ignite and cause a fire or explosion. This range is defined by two key points: the lower flammable limit (LFL) and the upper flammable limit (UFL). The LFL represents the minimum concentration of the substance in the air that can ignite, while the UFL indicates the maximum concentration. If the concentration of the gas or vapor falls outside this range, it will not ignite, regardless of the presence of an ignition source.For example, consider a common substance like methane. Methane has a flammable range of approximately 5% to 15% in air. This means that if the concentration of methane in the air is below 5%, there is not enough fuel to support combustion. Conversely, if the concentration exceeds 15%, there is too much fuel, and the mixture becomes too rich to ignite. Understanding these limits is essential for safety in industrial environments, laboratories, and even in our households.In various industries, particularly those dealing with chemicals, knowledge of the flammable range helps in assessing risks and implementing safety measures. For instance, workers in a chemical plant must monitor the concentrations of gases to ensure they remain within safe limits. If the levels approach the flammable range, immediate action may be required, such as increasing ventilation or shutting down equipment to prevent potential fires or explosions.Moreover, the flammable range is not static; it can be influenced by several factors, including temperature, pressure, and the presence of other substances. For instance, increasing the temperature can raise the likelihood of ignition, while changes in pressure can alter the concentration of gases in the air. Therefore, maintaining awareness of the flammable range is vital for safe operations in any environment where flammable substances are present.In conclusion, the flammable range is a fundamental concept in fire safety and hazard management. By understanding the limits of flammability for various substances, individuals and organizations can take proactive steps to prevent accidents and ensure a safe working environment. Whether it's in a laboratory, an industrial site, or at home, being aware of the flammable range can save lives and property. It is important for everyone to educate themselves about these safety parameters and to respect them in order to mitigate the risks associated with flammable materials.

理解可燃范围的概念对于任何与可燃材料打交道的人来说都是至关重要的。可燃范围，也称为爆炸极限，指的是空气中气体或蒸汽的浓度可以点燃并引发火灾或爆炸。这个范围由两个关键点定义：下可燃限（LFL）和上可燃限（UFL）。LFL表示能够点燃该物质在空气中的最低浓度，而UFL则表示最大浓度。如果气体或蒸汽的浓度超出此范围，无论有无点火源，都不会点燃。例如，考虑一种常见物质如甲烷。甲烷的可燃范围大约在空气中为5%到15%。这意味着如果空气中甲烷的浓度低于5%，就没有足够的燃料来支持燃烧。相反，如果浓度超过15%，则燃料过多，混合物变得过于浓厚而无法点燃。理解这些限制对于工业环境、实验室甚至我们的家庭安全至关重要。在各种行业中，特别是处理化学品的行业，了解可燃范围有助于评估风险并实施安全措施。例如，化工厂的工人必须监测气体的浓度，以确保它们保持在安全范围内。如果浓度接近可燃范围，可能需要立即采取行动，例如增加通风或关闭设备，以防止潜在的火灾或爆炸。此外，可燃范围并不是静态的；它可以受到温度、压力和其他物质存在等多个因素的影响。例如，增加温度会提高点燃的可能性，而压力变化则会改变空气中气体的浓度。因此，保持对可燃范围的意识对于任何存在可燃物质的环境的安全操作至关重要。总之，可燃范围是消防安全和危险管理中的一个基本概念。通过了解各种物质的可燃性极限，个人和组织可以采取主动措施来预防事故，确保安全的工作环境。无论是在实验室、工业场所还是在家中，了解可燃范围都可以拯救生命和财产。每个人都应该教育自己关于这些安全参数，并尊重它们，以降低与可燃材料相关的风险。