limit of flammability

简明释义

可燃限度

英英释义

例句

1.The safety manual states that the limit of flammability 可燃性极限 for gasoline is between 1.4% and 7.6% in air.

安全手册指出，汽油的limit of flammability 可燃性极限 在空气中介于1.4%和7.6%之间。

2.The limit of flammability 可燃性极限 for propane is 2.1% to 9.5% by volume in air.

丙烷的limit of flammability 可燃性极限 是空气中体积为2.1%到9.5%。

3.Before starting the experiment, make sure to check the limit of flammability 可燃性极限 of the substances involved.

在开始实验之前，请确保检查所涉及物质的limit of flammability 可燃性极限。

4.Workers must be trained to recognize the limit of flammability 可燃性极限 of various chemicals used in the lab.

工人必须接受培训，以识别实验室中使用的各种化学品的limit of flammability 可燃性极限。

5.When handling solvents, it’s crucial to understand the limit of flammability 可燃性极限 to prevent fires.

在处理溶剂时，了解limit of flammability 可燃性极限 对于防止火灾至关重要。

作文

The concept of the limit of flammability is crucial in understanding fire safety and combustion processes. It refers to the specific range of concentrations of a combustible substance in air that can ignite and sustain a flame. When the concentration of the combustible material is below the lower flammability limit, or above the upper flammability limit, combustion will not occur. This principle is essential for engineers, safety professionals, and anyone involved in handling flammable materials.To illustrate this concept, consider a common example: gasoline. Gasoline has a limit of flammability that ranges from approximately 1.4% to 7.6% by volume in air. If the concentration of gasoline vapor in the air falls below 1.4%, there is not enough fuel to sustain a flame. Conversely, if the concentration exceeds 7.6%, there is insufficient oxygen for combustion to take place. Understanding these limits helps prevent accidents in environments where flammable substances are present.In industrial settings, monitoring the limit of flammability is vital for ensuring worker safety. Facilities that handle chemicals must have strict protocols in place to measure and control the concentration of flammable vapors in the air. This is often achieved through ventilation systems and regular air quality assessments. By maintaining the concentration of flammable materials within safe limits, companies can significantly reduce the risk of fires and explosions.Moreover, the limit of flammability also plays a role in emergency response planning. Firefighters and emergency responders must be aware of the flammability limits of various substances they might encounter during a fire or chemical spill. For instance, in a scenario where a tank of propane is leaking, knowing the limit of flammability allows responders to determine safe distances and appropriate firefighting techniques. They can use this information to assess the risk of ignition and strategize their approach to controlling the incident.In addition to its practical applications, the limit of flammability is a fascinating topic from a scientific perspective. The study of combustion involves complex chemical reactions and physical processes. Researchers continually explore how different factors, such as temperature, pressure, and the presence of other chemicals, influence the flammability limits of various substances. This research not only enhances our understanding of fire dynamics but also contributes to the development of safer materials and better safety protocols.In conclusion, the limit of flammability is a fundamental concept in fire safety and combustion science. It defines the conditions necessary for a substance to ignite and burn, making it essential knowledge for anyone working with flammable materials. By understanding and monitoring these limits, we can create safer environments, develop effective emergency response strategies, and advance our scientific understanding of combustion. Whether in an industrial setting or during emergency situations, awareness of the limit of flammability can save lives and prevent catastrophic incidents.

可燃性极限的概念在理解消防安全和燃烧过程方面至关重要。它指的是可燃物质在空气中能够点燃并维持火焰的特定浓度范围。当可燃物质的浓度低于下限可燃性极限或高于上限可燃性极限时，燃烧将不会发生。这个原理对于工程师、安全专业人员以及任何涉及易燃材料处理的人来说都至关重要。为了说明这一概念，考虑一个常见的例子：汽油。汽油的可燃性极限大约在空气中体积占比1.4%到7.6%之间。如果汽油蒸气在空气中的浓度低于1.4%，则没有足够的燃料来维持火焰。相反，如果浓度超过7.6%，则氧气不足以进行燃烧。理解这些极限有助于防止在存在易燃物质的环境中发生事故。在工业环境中，监测可燃性极限对确保工人安全至关重要。处理化学品的设施必须制定严格的协议，以测量和控制空气中易燃蒸气的浓度。这通常通过通风系统和定期空气质量评估来实现。通过保持易燃材料的浓度在安全范围内，公司可以显著降低火灾和爆炸的风险。此外，可燃性极限在应急响应计划中也发挥着重要作用。消防员和应急响应人员必须了解他们在火灾或化学泄漏过程中可能遇到的各种物质的可燃性极限。例如，在一个丙烷罐泄漏的情况下，了解可燃性极限使应急响应人员能够确定安全距离和适当的灭火技术。他们可以利用这些信息评估点燃的风险，并制定控制事件的方法。除了实际应用外，可燃性极限从科学角度来看也是一个迷人的话题。燃烧研究涉及复杂的化学反应和物理过程。研究人员不断探索温度、压力和其他化学物质的存在等不同因素如何影响各种物质的可燃性极限。这项研究不仅增强了我们对火灾动态的理解，还促进了更安全材料和更好安全协议的发展。总之，可燃性极限是消防安全和燃烧科学中的基本概念。它定义了物质点燃和燃烧所需的条件，使其成为任何与易燃材料打交道的人必备的知识。通过理解和监测这些极限，我们可以创造更安全的环境，制定有效的应急响应策略，推进我们对燃烧的科学理解。无论是在工业环境中还是在紧急情况下，意识到可燃性极限都可以拯救生命并防止灾难性事件的发生。