lime unslacked

简明释义

生石灰

英英释义

例句

1.The construction workers used lime unslacked to create a strong mortar for the building.

建筑工人使用生石灰来制作强力的砂浆用于建筑。

2.When mixed with water, lime unslacked can produce heat and is useful in various chemical processes.

与水混合时，生石灰可以产生热量，并在各种化学过程中有用。

3.In ancient times, builders frequently utilized lime unslacked for constructing durable structures.

在古代，建筑工人经常利用生石灰来建造耐用的结构。

4.Farmers often apply lime unslacked to their fields to improve soil quality.

农民们常常在田地中施用生石灰以改善土壤质量。

5.The safety data sheet warns that lime unslacked can cause skin irritation.

安全数据表警告说，生石灰可能会导致皮肤刺激。

作文

The use of materials in construction has evolved significantly over the centuries. Among these materials, one that has stood the test of time is lime. Lime, particularly in its form as lime unslacked (未消化的石灰), has been utilized for various purposes, including plastering, mortar, and even as a binding agent in ancient structures. The importance of lime unslacked cannot be overstated, as it provides durability and strength to constructions that have lasted for generations.In its natural state, lime is derived from limestone, which is primarily composed of calcium carbonate. When this limestone is heated, it undergoes a chemical transformation, resulting in quicklime or calcium oxide. However, when quicklime is mixed with water, it reacts exothermically to produce slaked lime, which is calcium hydroxide. On the other hand, lime unslacked refers specifically to the quicklime that has not yet undergone this reaction. This form of lime is highly reactive and can be used effectively in various applications.One of the most significant advantages of using lime unslacked in construction is its ability to absorb moisture from the environment. This characteristic makes it an excellent choice for creating mortars and plasters that can withstand the elements. When mixed with sand and water, lime unslacked creates a strong bond that allows buildings to breathe while maintaining structural integrity. This is crucial in regions with high humidity or fluctuating temperatures, where traditional materials may fail.Moreover, the environmental benefits of using lime unslacked are noteworthy. Unlike modern cement, which involves energy-intensive processes and contributes to greenhouse gas emissions, lime production is significantly less harmful to the environment. The carbon dioxide released during the calcination of limestone is partially reabsorbed when lime is exposed to air, making it a more sustainable option for builders. This quality aligns with contemporary trends toward eco-friendly construction practices.Historically, many ancient civilizations recognized the value of lime unslacked. The Romans, for instance, used it extensively in their architectural masterpieces, such as the Pantheon and aqueducts, which still stand today. Their understanding of the material's properties allowed them to create structures that have endured for thousands of years. This historical significance underlines the importance of lime unslacked in the evolution of building techniques.In conclusion, the role of lime unslacked in construction is both practical and historical. Its unique properties make it an invaluable material that has contributed to the longevity and sustainability of buildings throughout history. As we move forward into an era where environmental considerations are paramount, revisiting traditional materials like lime unslacked could provide solutions to modern challenges in construction. By embracing the wisdom of the past, we can build a future that honors both our heritage and the planet we inhabit.

建筑材料的使用在几个世纪中经历了显著的演变。在这些材料中，石灰是一种经受住时间考验的材料。石灰，特别是以lime unslacked（未消化的石灰）的形式，被广泛用于各种用途，包括抹灰、砂浆，甚至作为古代结构中的粘合剂。lime unslacked的重要性不容小觑，因为它为历经数代的建筑提供了耐久性和强度。石灰在自然状态下来源于石灰岩，主要由碳酸钙组成。当这种石灰岩被加热时，它会经历化学转化，产生生石灰或氧化钙。然而，当生石灰与水混合时，它会发生放热反应，生成熟石灰，即氢氧化钙。另一方面，lime unslacked特指尚未经过此反应的生石灰。这种形式的石灰反应性强，可有效用于各种应用。在建筑中使用lime unslacked的一个显著优势是其能够吸收环境中的水分。这一特性使其成为制作能够抵御自然元素的砂浆和抹灰的绝佳选择。当与沙子和水混合时，lime unslacked形成的强大结合力使建筑物能够呼吸，同时保持结构完整性。这在湿度高或温度波动的地区尤其重要，传统材料可能会失效。此外，使用lime unslacked的环境效益也值得注意。与现代水泥相比，水泥涉及能量密集型过程并导致温室气体排放，石灰的生产对环境的危害显著较小。在石灰暴露于空气时，石灰煅烧过程中释放的二氧化碳部分被重新吸收，使其成为建筑商更可持续的选择。这一特性与当今向环保建筑实践的趋势相一致。历史上，许多古代文明认识到lime unslacked的价值。例如，罗马人广泛使用它建造他们的建筑杰作，如万神殿和水道，这些建筑至今仍矗立。他们对材料特性的理解使他们能够创造出历经千年的结构。这一历史意义强调了lime unslacked在建筑技术演变中的重要性。总之，lime unslacked在建筑中的角色既实用又具有历史意义。其独特的性质使其成为一种不可或缺的材料，为历史上建筑的持久性和可持续性做出了贡献。随着我们进入一个环境考虑至关重要的时代，重新审视传统材料如lime unslacked可能为现代建筑中的挑战提供解决方案。通过拥抱过去的智慧，我们可以建立一个尊重我们遗产和我们所居住星球的未来。