stoichiometric mixture

简明释义

化学当量混合气

英英释义

例句

1.In chemical engineering, understanding the stoichiometric mixture 化学计量混合物 is crucial for scaling up reactions.

在化学工程中，理解化学计量混合物 stoichiometric mixture对于反应的放大至关重要。

2.In a combustion engine, the fuel and air are mixed in a stoichiometric mixture 化学计量混合物 to ensure complete combustion.

在内燃机中，燃料和空气以化学计量混合物 stoichiometric mixture的比例混合，以确保完全燃烧。

3.When designing a new fuel formulation, engineers aim for a stoichiometric mixture 化学计量混合物 to maximize energy output.

在设计新的燃料配方时，工程师们旨在达到化学计量混合物 stoichiometric mixture以最大化能量输出。

4.The stoichiometric mixture 化学计量混合物 of hydrogen and oxygen is essential for producing water in electrolysis.

氢气和氧气的化学计量混合物 stoichiometric mixture对于电解水的生产至关重要。

5.To achieve optimal performance, the reactor must maintain a stoichiometric mixture 化学计量混合物 of reactants.

为了实现最佳性能，反应器必须保持反应物的化学计量混合物 stoichiometric mixture。

作文

In the field of chemistry, understanding the concept of a stoichiometric mixture is crucial for various applications, particularly in combustion processes and chemical reactions. A stoichiometric mixture refers to a specific ratio of reactants that allows for complete consumption of all reactants without any excess. This means that the proportions of the substances involved are precisely calculated based on their molar ratios as defined by the balanced chemical equation. For instance, when burning hydrocarbons, achieving a stoichiometric mixture ensures that there is enough oxygen available to completely oxidize the fuel, resulting in the production of carbon dioxide and water without leaving unburned fuel or excess oxygen.When we consider practical applications, such as in internal combustion engines, the importance of maintaining a stoichiometric mixture cannot be overstated. In these engines, the ideal air-fuel ratio is approximately 14.7 parts air to 1 part fuel by mass, which corresponds to a stoichiometric mixture. If the mixture is too rich (more fuel than air), it leads to incomplete combustion, producing harmful emissions like carbon monoxide and unburned hydrocarbons. Conversely, a lean mixture (more air than fuel) can result in higher combustion temperatures, potentially damaging engine components and leading to increased nitrogen oxide emissions.Moreover, achieving a stoichiometric mixture is not only vital for efficiency but also for environmental considerations. The automotive industry has made significant advancements in technologies such as catalytic converters, which help in managing emissions by ensuring that the exhaust gases are treated after combustion. These systems are designed to work optimally when the engine operates at or near a stoichiometric mixture, thereby reducing pollutants released into the atmosphere.In addition to combustion engines, the concept of a stoichiometric mixture is also applicable in various industrial processes, including the production of chemicals and pharmaceuticals. Manufacturers often rely on precise calculations to ensure that reactants are mixed in the correct proportions to maximize yield and minimize waste. This careful consideration of reactant ratios is essential in scaling up laboratory reactions to industrial levels, where even slight deviations can lead to significant losses.Furthermore, the study of stoichiometric mixtures extends beyond just chemistry; it has implications in fields such as environmental science and material engineering. For example, understanding how different materials interact in a stoichiometric mixture can lead to the development of new materials with desirable properties, such as increased strength or reduced weight. Researchers are continually exploring these interactions to innovate and improve existing products.In conclusion, the concept of a stoichiometric mixture plays a fundamental role in various scientific and industrial fields. Its significance lies in the ability to achieve complete reaction of all reactants, which enhances efficiency, reduces waste, and minimizes environmental impact. Whether in combustion engines, chemical manufacturing, or material science, a comprehensive understanding of stoichiometric mixtures is essential for advancing technology and promoting sustainability. As we continue to face global challenges related to energy and pollution, the principles underlying stoichiometric mixtures will undoubtedly remain at the forefront of innovative solutions.

在化学领域，理解化学计量混合物的概念对于各种应用至关重要，尤其是在燃烧过程和化学反应中。化学计量混合物指的是一种特定的反应物比例，能够使所有反应物完全消耗而没有多余。这意味着参与物质的比例是根据平衡化学方程式所定义的摩尔比精确计算的。例如，在燃烧烃类时，实现化学计量混合物确保有足够的氧气可用于完全氧化燃料，从而生成二氧化碳和水，而不留下未燃烧的燃料或多余的氧气。当我们考虑实际应用时，例如在内燃机中，保持化学计量混合物的重要性不容小觑。在这些发动机中，理想的空气-燃料比大约是每1份燃料对应14.7份空气，这对应于化学计量混合物。如果混合物过于富裕（燃料多于空气），会导致不完全燃烧，产生有害的排放物，如一氧化碳和未燃烧的烃类。相反，稀混合物（空气多于燃料）可能导致更高的燃烧温度，潜在地损坏发动机部件并增加氮氧化物排放。此外，实现化学计量混合物不仅对效率至关重要，还关乎环境考虑。汽车工业在催化转换器等技术方面取得了重大进展，这些系统通过确保排气在燃烧后得到处理来帮助管理排放。这些系统的设计旨在当发动机在或接近化学计量混合物的情况下最佳工作，从而减少释放到大气中的污染物。除了内燃机，化学计量混合物的概念还适用于各种工业过程，包括化学品和制药的生产。制造商通常依赖精确的计算，以确保反应物以正确的比例混合，以最大化产率并最小化废物。这种对反应物比的仔细考虑对于将实验室反应扩大到工业水平至关重要，因为即使是轻微的偏差也可能导致显著的损失。此外，化学计量混合物的研究不仅限于化学，它在环境科学和材料工程等领域也具有重要意义。例如，理解不同材料在化学计量混合物中的相互作用可以导致开发出具有理想特性的材料，例如增强强度或减轻重量。研究人员不断探索这些相互作用，以创新和改善现有产品。总之，化学计量混合物的概念在各种科学和工业领域中发挥着基础性作用。其重要性在于能够实现所有反应物的完全反应，从而提高效率、减少废物并最小化环境影响。无论是在燃烧发动机、化学制造还是材料科学中，对化学计量混合物的全面理解对于推动技术进步和促进可持续发展至关重要。随着我们继续面临全球能源和污染相关的挑战，支撑化学计量混合物的原理无疑将始终处于创新解决方案的前沿。