thermal decomposition

简明释义

热分解

英英释义

例句

1.The process of producing lime from limestone involves the thermal decomposition 热分解 of calcium carbonate.

从石灰石生产石灰的过程涉及碳酸钙的热分解。

2.The thermal decomposition 热分解 of sodium bicarbonate occurs when heated, producing sodium carbonate, water, and carbon dioxide.

加热时，碳酸氢钠的热分解会产生碳酸钠、水和二氧化碳。

3.In the laboratory, we observed the thermal decomposition 热分解 of ammonium dichromate, which produces chromium oxide.

在实验室中，我们观察到了铵二铬酸盐的热分解，生成了氧化铬。

4.Understanding the thermal decomposition 热分解 of polymers is crucial for recycling processes.

理解聚合物的热分解对回收过程至关重要。

5.The thermal decomposition 热分解 of organic materials can release harmful gases into the atmosphere.

有机材料的热分解可能会释放有害气体到大气中。

作文

Thermal decomposition is a chemical process that involves the breakdown of a compound into simpler substances when it is subjected to heat. This process is fundamental in various scientific fields, including chemistry, materials science, and environmental science. Understanding thermal decomposition (热分解) is crucial for several applications, from developing new materials to waste management. In this essay, we will explore the significance, mechanisms, and applications of thermal decomposition (热分解), shedding light on its importance in both industrial and laboratory settings.The concept of thermal decomposition (热分解) can be observed in everyday life. For example, when organic matter such as wood or food waste is burned, it undergoes thermal decomposition (热分解), releasing gases and leaving behind ash. This process not only transforms the original material but also releases energy in the form of heat, which can be harnessed for various purposes.In the laboratory, thermal decomposition (热分解) is often used to analyze compounds. By heating a sample, scientists can observe the products formed and determine the composition of the original substance. For instance, when calcium carbonate (CaCO3) is heated, it decomposes into calcium oxide (CaO) and carbon dioxide (CO2). This reaction is a classic example of thermal decomposition (热分解) and is frequently used in educational settings to demonstrate chemical principles.The mechanisms behind thermal decomposition (热分解) can vary widely depending on the materials involved. Some compounds decompose at relatively low temperatures, while others require significant heat. The rate of decomposition can also be influenced by factors such as pressure and the presence of catalysts. For example, in the case of ammonium dichromate (NH4)2Cr2O7, heating leads to a dramatic decomposition reaction that produces chromium(III) oxide, nitrogen gas, and water vapor. This visually striking reaction showcases the power of thermal decomposition (热分解) in transforming substances.In industrial applications, thermal decomposition (热分解) plays a vital role in the production of materials. For instance, the manufacture of cement involves the decomposition of limestone (calcium carbonate) into lime (calcium oxide) and carbon dioxide. This process not only helps in creating essential building materials but also contributes to the overall economy. Similarly, in the field of plastics, thermal decomposition (热分解) is employed to recycle materials, breaking them down into their constituent monomers for reuse in new products.Moreover, thermal decomposition (热分解) has significant implications for environmental science. The decomposition of organic waste through processes like pyrolysis can reduce landfill use and produce biofuels. By understanding the thermal decomposition (热分解) of various materials, scientists can develop more efficient waste management strategies and promote sustainability.In conclusion, thermal decomposition (热分解) is a critical process that impacts numerous aspects of science and industry. From the breakdown of compounds in the laboratory to its applications in material production and waste management, understanding thermal decomposition (热分解) is essential for advancing our knowledge and capabilities in chemistry and environmental science. As we continue to explore the intricacies of this process, we unlock new possibilities for innovation and sustainability in our world.