self-ignite vi.
简明释义
自动点火
英英释义
To spontaneously ignite or catch fire without an external ignition source. | 自发点燃或在没有外部点火源的情况下着火。 |
例句
1.Certain types of coal can self-ignite vi. 自燃 when exposed to air for too long.
某些类型的煤在长时间暴露于空气中时可以自燃。
2.The researchers are studying how to prevent materials from self-ignite vi. 自燃 during transportation.
研究人员正在研究如何防止材料在运输过程中自燃。
3.The forest fire was caused by dry leaves that self-ignite vi. 自燃 after a prolonged heatwave.
这场森林火灾是由于干燥的树叶在持续的热浪后自燃引起的。
4.In certain conditions, the chemicals in the lab may self-ignite vi. 自燃 if not properly stored.
在某些条件下,实验室中的化学品如果存放不当可能会自燃。
5.The new fuel designed for the engine can self-ignite vi. 自燃 under high pressure and temperature.
这种新型燃料在高压和高温下可以自燃。
作文
In the world of chemistry and physics, there are many fascinating phenomena that capture our imagination. One such phenomenon is the ability of certain materials to self-ignite vi. (自燃). This process occurs when a substance spontaneously ignites without an external flame or spark. Understanding how and why this happens can provide valuable insights into both natural processes and industrial applications.To illustrate the concept of self-ignite vi. (自燃), let’s consider the example of spontaneous combustion in organic materials. For instance, piles of oily rags left in a corner can sometimes catch fire on their own. This happens because the oils in the rags undergo oxidation, generating heat. If the heat is not dissipated quickly enough, it can raise the temperature of the rags to their ignition point, resulting in a fire. This illustrates that self-ignite vi. (自燃) is not just a random event but rather a chemical reaction that requires specific conditions.Another area where self-ignite vi. (自燃) is significant is in the storage of certain chemicals. Some substances, like phosphorus and some alkali metals, can ignite spontaneously when exposed to air. This poses a serious risk in laboratories and factories, necessitating strict safety protocols to prevent accidents. Understanding the mechanisms behind self-ignite vi. (自燃) helps scientists and engineers develop safer methods for handling these materials.Moreover, the phenomenon of self-ignite vi. (自燃) is not limited to human-made materials. In nature, certain conditions can lead to spontaneous ignition as well. For example, under the right circumstances, dead vegetation can ignite due to the heat generated by microbial activity during decomposition. This is particularly relevant in discussions about wildfires, where dry conditions and high temperatures can create an environment conducive to self-ignite vi. (自燃).The implications of self-ignite vi. (自燃) extend beyond just fire safety; they also touch on environmental concerns. For instance, understanding how organic waste can self-ignite vi. (自燃) can help in managing landfills more effectively and reducing the risk of fires that can release harmful pollutants into the atmosphere.In conclusion, the phenomenon of self-ignite vi. (自燃) is a striking example of how chemical reactions can lead to spontaneous events with significant consequences. By studying this process, we gain insights into safety measures necessary in various industries, as well as better understand natural processes that can impact our environment. Whether in the lab or in nature, the ability to self-ignite vi. (自燃) serves as a reminder of the power of chemistry and the importance of respecting the materials we work with and the environments we inhabit.
在化学和物理的世界中,有许多迷人的现象吸引着我们的想象力。其中一个现象是某些材料能够自燃。这个过程发生在一种物质在没有外部火焰或火花的情况下自发点燃。理解这种现象发生的原因和方式,可以为我们提供有关自然过程和工业应用的宝贵见解。为了说明自燃的概念,让我们考虑有机材料自发燃烧的例子。例如,堆放在角落里的油布有时会自行着火。这是因为布料中的油分发生氧化反应,产生热量。如果热量没有迅速散失,就会使布料的温度升高到其点燃点,从而引发火灾。这表明自燃并不是一个随机事件,而是一种需要特定条件的化学反应。另一个自燃显得重要的领域是某些化学品的储存。一些物质,如磷和一些碱金属,在暴露于空气中时可能会自发点燃。这在实验室和工厂中构成了严重的风险,因此需要严格的安全协议以防止事故。理解自燃背后的机制帮助科学家和工程师制定更安全的处理这些材料的方法。此外,自燃现象不仅限于人造材料。在自然界中,某些条件也会导致自发点燃。例如,在适当的情况下,死去的植被可能由于微生物在分解过程中产生的热量而点燃。这在讨论野火时尤为相关,因为干燥的环境和高温可以创造出有利于自燃的条件。自燃的影响不仅仅局限于火灾安全;它们还涉及环境问题。例如,理解有机废物如何自燃可以帮助更有效地管理垃圾填埋场,减少可能释放有害污染物到大气中的火灾风险。总之,自燃现象是化学反应如何导致自发事件的重要例证,这些事件可能会产生重大后果。通过研究这一过程,我们获得了在各个行业中必要的安全措施的见解,并更好地理解可能影响我们环境的自然过程。无论是在实验室还是在自然界,能够自燃都提醒我们化学的力量,以及尊重我们所处理的材料和我们所居住的环境的重要性。