stoichiometric mixture

简明释义

化学化合比例

英英释义

例句

1.In internal combustion engines, achieving a stoichiometric mixture 化学计量混合物 is crucial for optimal fuel efficiency.

在内燃机中，达到一个stoichiometric mixture 化学计量混合物 对于最佳燃油效率至关重要。

2.When designing a combustion system, engineers must consider the stoichiometric mixture 化学计量混合物 to minimize emissions.

在设计燃烧系统时，工程师必须考虑stoichiometric mixture 化学计量混合物 以最小化排放。

3.For optimal performance in gas turbines, a well-balanced stoichiometric mixture 化学计量混合物 of air and fuel is essential.

为了在燃气涡轮中实现最佳性能，空气和燃料的良好平衡的stoichiometric mixture 化学计量混合物 是必不可少的。

4.In chemical reactions, the stoichiometric mixture 化学计量混合物 ensures that all reactants are fully utilized.

在化学反应中，stoichiometric mixture 化学计量混合物 确保所有反应物都被充分利用。

5.The laboratory experiment required a precise stoichiometric mixture 化学计量混合物 of reactants to ensure accurate results.

实验室实验需要精确的stoichiometric mixture 化学计量混合物 反应物以确保准确的结果。

作文

In the field of chemistry and engineering, the term stoichiometric mixture refers to a specific ratio of reactants that allows for complete combustion or reaction without any excess of either component. This concept is crucial in various applications, including internal combustion engines, chemical manufacturing, and environmental science. Understanding the implications of a stoichiometric mixture can lead to more efficient processes and reduced emissions, which are vital in today's world of increasing environmental concerns.To illustrate the importance of a stoichiometric mixture, let us consider the operation of an internal combustion engine. In such engines, fuel and air must be mixed in precise proportions to ensure optimal performance. The ideal ratio for gasoline engines is typically around 14.7 parts air to 1 part fuel by weight. When this ratio is achieved, the engine operates efficiently, producing maximum power with minimal waste. If there is too much fuel (a rich mixture), some of it will not combust, leading to increased emissions and wasted energy. Conversely, if there is too much air (a lean mixture), the engine may run hot, which can cause damage and reduce performance.The significance of a stoichiometric mixture extends beyond just automotive applications. In industrial chemical processes, achieving the correct ratios of reactants can significantly influence yield and efficiency. For instance, in the production of ammonia through the Haber process, nitrogen and hydrogen must be combined in a specific ratio to maximize output. Deviating from this stoichiometric mixture can result in lower yields and higher costs, making it imperative for chemical engineers to monitor and control these ratios closely.Moreover, the concept of a stoichiometric mixture plays a crucial role in environmental science. Combustion reactions produce various pollutants, including carbon monoxide, nitrogen oxides, and unburned hydrocarbons. By ensuring that combustion occurs at a stoichiometric mixture, industries can minimize the formation of these harmful substances. This is particularly important given the global push towards cleaner technologies and sustainable practices. For example, modern power plants are designed to achieve near-perfect combustion conditions, thereby reducing their environmental footprint.In summary, the term stoichiometric mixture encapsulates a fundamental principle in chemistry that has far-reaching implications across multiple fields. Whether in optimizing engine performance, enhancing chemical production, or reducing environmental impact, understanding and applying the concept of a stoichiometric mixture is essential. As we continue to face challenges related to energy efficiency and environmental sustainability, the importance of mastering this concept cannot be overstated. Engineers and scientists must strive to develop innovative solutions that leverage the principles of stoichiometric mixtures to create a more sustainable future.

在化学和工程领域，术语化学计量混合物指的是反应物的特定比例，这种比例允许完全燃烧或反应，而不会有任何一个组分的过剩。这个概念在各种应用中至关重要，包括内燃机、化学制造和环境科学。理解化学计量混合物的含义可以导致更高效的过程和减少排放，这在当今日益关注环境的世界中是至关重要的。为了说明化学计量混合物的重要性，让我们考虑内燃机的运行。在这样的发动机中，燃料和空气必须以精确的比例混合，以确保最佳性能。汽油发动机的理想比例通常约为14.7份空气对1份燃料的重量。当达到这个比例时，发动机运转高效，产生最大功率，同时最小化浪费。如果燃料过多（富混合物），其中一些将无法燃烧，导致排放增加和能量浪费。相反，如果空气过多（稀混合物），发动机可能会过热，这可能导致损坏并降低性能。化学计量混合物的重要性不仅限于汽车应用。在工业化学过程中，达到反应物的正确比例可以显著影响产量和效率。例如，在通过哈伯法生产氨的过程中，氮气和氢气必须以特定比例结合，以最大化产出。偏离这一化学计量混合物可能导致产量降低和成本增加，因此化学工程师必须密切监测和控制这些比例。此外，化学计量混合物的概念在环境科学中也起着至关重要的作用。燃烧反应产生各种污染物，包括一氧化碳、氮氧化物和未燃烧的碳氢化合物。通过确保燃烧发生在化学计量混合物的条件下，工业能够最小化这些有害物质的形成。这一点尤其重要，因为全球正在推动清洁技术和可持续实践。例如，现代发电厂被设计成实现近乎完美的燃烧条件，从而减少其环境足迹。总之，术语化学计量混合物概括了化学中的一个基本原理，这一原理在多个领域具有深远的影响。无论是在优化发动机性能、提高化学生产还是减少环境影响方面，理解和应用化学计量混合物的概念都是至关重要的。随着我们继续面临与能源效率和环境可持续性相关的挑战，掌握这一概念的重要性不容小觑。工程师和科学家必须努力开发利用化学计量混合物原理的创新解决方案，以创造一个更加可持续的未来。