chemical reaction

简明释义

化学反应

英英释义

例句

1.The rusting of iron is a slow chemical reaction 化学反应 that occurs when iron is exposed to moisture and oxygen.

铁锈的形成是一个缓慢的化学反应化学反应，发生在铁暴露于水分和氧气时。

2.When vinegar is mixed with baking soda, a noticeable chemical reaction 化学反应 occurs, producing carbon dioxide bubbles.

当醋与小苏打混合时，会发生明显的化学反应化学反应，产生二氧化碳气泡。

3.In photosynthesis, plants undergo a chemical reaction 化学反应 that converts sunlight into energy.

在光合作用中，植物经历一个化学反应化学反应，将阳光转化为能量。

4.Acid-base neutralization is a type of chemical reaction 化学反应 that produces water and salt.

酸碱中和是一种类型的化学反应化学反应，产生水和盐。

5.When fireworks explode, a rapid chemical reaction 化学反应 occurs, releasing energy in the form of light and sound.

当烟花爆炸时，会发生快速的化学反应化学反应，以光和声音的形式释放能量。

作文

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. This transformation involves the breaking and forming of bonds between atoms, resulting in new substances with different properties. Understanding chemical reactions is fundamental to the field of chemistry and has numerous applications in our daily lives. For instance, when you cook food, you are essentially initiating various chemical reactions that change the flavor, texture, and nutritional value of the ingredients. One of the most common examples of a chemical reaction is combustion. When wood or fossil fuels burn, they react with oxygen in the air to produce carbon dioxide, water, and heat. This chemical reaction not only provides energy but also has significant environmental impacts, contributing to air pollution and climate change. Another example is photosynthesis, which is the process used by plants to convert sunlight into chemical energy. During photosynthesis, plants take in carbon dioxide and water, and through a series of chemical reactions, they produce glucose and oxygen. This chemical reaction is vital for life on Earth, as it provides the oxygen we breathe and serves as the foundation of the food chain. In addition to natural processes, chemical reactions are also essential in industrial applications. For instance, the production of fertilizers involves various chemical reactions that help convert raw materials into useful products. The Haber process, which synthesizes ammonia from nitrogen and hydrogen gases, is a key chemical reaction that supports global agriculture by providing essential nutrients for crops. Moreover, chemical reactions play a crucial role in medicine. Many pharmaceuticals are developed through a series of chemical reactions that transform simple compounds into complex drugs that can treat various diseases. Understanding the mechanisms of these chemical reactions allows scientists to design more effective medications with fewer side effects. In conclusion, chemical reactions are fundamental processes that occur all around us, influencing everything from the food we eat to the medicines we take. By studying chemical reactions, we gain insights into the nature of matter and the changes it undergoes. This knowledge not only enhances our understanding of the world but also enables us to harness these processes for technological advancements and improved quality of life.

一个化学反应是一个过程，它导致一组化学物质转变为另一组。这种转变涉及原子之间的键的断裂和形成，从而产生具有不同性质的新物质。理解化学反应是化学领域的基础，并在我们的日常生活中有许多应用。例如，当你做饭时，实际上是在引发各种化学反应，这些反应改变了成分的味道、质地和营养价值。最常见的化学反应之一是燃烧。当木材或化石燃料燃烧时，它们与空气中的氧气反应，产生二氧化碳、水和热量。这种化学反应不仅提供能量，还有显著的环境影响，导致空气污染和气候变化。另一个例子是光合作用，这是植物将阳光转化为化学能的过程。在光合作用过程中，植物吸收二氧化碳和水，通过一系列的化学反应，生成葡萄糖和氧气。这种化学反应对地球上的生命至关重要，因为它提供我们呼吸的氧气，并作为食物链的基础。除了自然过程，化学反应在工业应用中也至关重要。例如，肥料的生产涉及各种化学反应，帮助将原材料转化为有用的产品。哈伯法（Haber process）是将氮气和氢气合成氨的关键化学反应，它通过为作物提供必需的营养来支持全球农业。此外，化学反应在医学中也发挥着关键作用。许多药物通过一系列的化学反应开发，这些反应将简单化合物转化为可以治疗各种疾病的复杂药物。理解这些化学反应的机制使科学家能够设计出更有效且副作用更少的药物。总之，化学反应是发生在我们周围的基本过程，影响着从我们吃的食物到我们服用的药物的一切。通过研究化学反应，我们获得了对物质本质及其变化的深入了解。这一知识不仅增强了我们对世界的理解，还使我们能够利用这些过程推动技术进步和改善生活质量。