weight loss on heating

简明释义

加热失重

英英释义

例句

1.During the analysis, we observed weight loss on heating of the polymer material, which suggested thermal degradation.

在分析过程中，我们观察到聚合物材料在加热时有失重，这表明热降解。

2.The lab report noted a weight loss on heating of approximately 5% for the dry sample.

实验室报告指出干样品在加热时有约5%的失重。

3.The weight loss on heating can help identify the presence of volatile substances in the material.

加热时的失重可以帮助识别材料中挥发性物质的存在。

4.To determine the composition, we measured the weight loss on heating of the compound.

为了确定成分，我们测量了化合物在加热时的失重。

5.The experiment showed a significant weight loss on heating the sample, indicating moisture evaporation.

实验表明，样品在加热时有显著的失重，这表明水分蒸发。

作文

The phenomenon of weight loss on heating is a common occurrence in both scientific experiments and everyday cooking processes. When we apply heat to materials, especially organic compounds, we often observe a decrease in mass. This process can be attributed to various factors, including the release of gases, moisture evaporation, and the breakdown of complex molecules into simpler ones.In chemistry, weight loss on heating is frequently studied to understand the thermal stability of substances. For instance, when heating a hydrated salt, the water molecules that are bound to the salt are released as vapor, resulting in a measurable loss of weight. This principle is crucial in determining the composition of certain compounds and is widely used in laboratories.Moreover, the concept of weight loss on heating is not limited to chemical reactions. It also plays a significant role in cooking. When we roast vegetables or meats, the application of heat causes water within the food to evaporate, leading to a reduction in weight. Additionally, fats may render out during cooking, contributing further to the overall weight loss. This is why a perfectly roasted chicken may weigh significantly less than its original weight before cooking.Understanding weight loss on heating can also help in various industries, such as food processing and material science. For example, in the food industry, knowing how much weight food loses during cooking can help chefs and manufacturers create more accurate serving sizes and nutritional information. Similarly, in construction materials, understanding how bricks or other materials react to heat can inform their usage in building designs, ensuring safety and durability.Furthermore, the implications of weight loss on heating extend to environmental considerations. In the context of waste management, understanding how different materials behave when subjected to heat can inform recycling processes. For instance, some plastics may lose weight when heated, indicating potential degradation and loss of structural integrity. This knowledge is essential for developing sustainable practices in waste disposal and recycling.In conclusion, weight loss on heating is a multifaceted concept that spans across various fields, from chemistry and cooking to environmental science. By studying this phenomenon, we can gain insights into the properties of materials, improve cooking techniques, and promote sustainability in our practices. As we continue to explore the effects of heat on different substances, we will undoubtedly uncover more applications and implications of this intriguing process.

加热时的重量损失现象在科学实验和日常烹饪过程中都很常见。当我们对材料施加热量，特别是有机化合物时，通常会观察到质量的减少。这一过程可以归因于多种因素，包括气体释放、水分蒸发以及复杂分子分解为更简单分子的过程。在化学中，加热时的重量损失经常被研究，以了解物质的热稳定性。例如，当加热水合盐时，结合在盐中的水分子作为蒸汽释放，从而导致可测量的重量损失。这一原理对于确定某些化合物的组成至关重要，并且在实验室中被广泛使用。此外，加热时的重量损失的概念并不限于化学反应。它在烹饪中也起着重要作用。当我们烤制蔬菜或肉类时，热量的施加使食物内的水分蒸发，导致重量减少。此外，在烹饪过程中，脂肪可能会渗出，进一步导致整体重量的损失。这就是为什么完美烤制的鸡肉可能比烹饪前的原始重量显著减轻。理解加热时的重量损失也可以帮助各个行业，例如食品加工和材料科学。例如，在食品行业，了解食物在烹饪过程中损失多少重量可以帮助厨师和制造商创造更准确的份量和营养信息。同样，在建筑材料中，了解砖块或其他材料在热作用下的反应可以指导其在建筑设计中的使用，确保安全和耐用性。此外，加热时的重量损失的影响还延伸到环境考虑。在废物管理的背景下，了解不同材料在加热时的行为可以指导回收过程。例如，一些塑料在加热时可能会失去重量，表明潜在的降解和结构完整性的丧失。这一知识对于开发可持续的废物处理和回收实践至关重要。总之，加热时的重量损失是一个多方面的概念，跨越了多个领域，从化学、烹饪到环境科学。通过研究这一现象，我们可以深入了解材料的性质，改善烹饪技巧，并促进我们的实践中的可持续性。随着我们继续探索热量对不同物质的影响，我们无疑会发现这一有趣过程的更多应用和意义。