lime water

简明释义

石灰水

英英释义

例句

1.The doctor recommended drinking lime water to help with digestion.

医生建议喝石灰水来帮助消化。

2.He used lime water as a natural remedy for his sore throat.

他用石灰水作为治疗喉咙痛的自然疗法。

3.Mixing lime water with coconut water creates a delicious drink.

将石灰水与椰子水混合，可以创造出美味的饮料。

4.After a long hike, I refreshed myself with some cold lime water.

长途徒步后，我用一些冷的石灰水来提神。

5.Farmers use lime water to adjust the pH levels of their soil.

农民使用石灰水来调整土壤的pH值。

作文

Lime water, or 石灰水, is a clear, colorless solution of calcium hydroxide in water. It is an important chemical compound that has various applications in different fields. In this essay, I will explore the properties, uses, and significance of lime water in both industrial and everyday contexts.To begin with, lime water is created by mixing calcium oxide, commonly known as quicklime, with water. This process generates heat and results in a strong alkaline solution. The chemical formula for calcium hydroxide is Ca(OH)₂, which indicates that it is composed of one calcium atom, two oxygen atoms, and two hydrogen atoms. The pH level of lime water is typically around 12.4, making it quite basic. This high pH level allows it to neutralize acids, which is one of its most significant properties.One of the primary uses of lime water is in the field of construction. It is often used in the production of lime mortar, which is a mixture of lime, sand, and water. Lime mortar is known for its durability and flexibility, making it an excellent choice for building structures that can withstand environmental stressors. Additionally, lime water is used to treat wastewater. It helps to remove impurities and neutralize acidic substances, making the water safer for discharge into natural water bodies.In agriculture, lime water plays a crucial role in soil management. Farmers often use it to adjust the pH of acidic soils, promoting better crop growth. By adding lime water to their fields, they can improve nutrient availability, enhance microbial activity, and ultimately increase crop yields. This practice not only benefits farmers but also contributes to sustainable agricultural practices.Moreover, lime water has applications in the food industry. It is sometimes used in the preparation of certain foods, such as pickles and fruits, to maintain their crispness and enhance their texture. The addition of lime water in food processing can also help in preserving the freshness of the products, extending their shelf life.In the laboratory, lime water is utilized in various experiments and demonstrations. For instance, it is commonly used to test for the presence of carbon dioxide gas. When carbon dioxide is bubbled through lime water, it reacts to form calcium carbonate, resulting in a cloudy white precipitate. This reaction is a classic experiment that illustrates the principles of chemistry and gas reactions.Despite its many benefits, it is essential to handle lime water with care. Due to its high alkalinity, it can cause irritation to the skin and eyes. Therefore, safety precautions should be taken when using it in any application. Wearing protective gear such as gloves and goggles is advisable to prevent any potential harm.In conclusion, lime water is a versatile and valuable solution with numerous applications across various industries. From construction and agriculture to food processing and laboratory experiments, its importance cannot be overstated. Understanding the properties and uses of lime water allows us to appreciate its role in our daily lives and in the broader context of environmental sustainability and industrial processes. As we continue to explore new ways to utilize this compound, lime water will undoubtedly remain a significant resource in our quest for innovation and improvement in various fields.

石灰水是氢氧化钙在水中的清澈无色溶液。它是一种重要的化合物，在不同领域有多种应用。在这篇文章中，我将探讨石灰水的性质、用途以及其在工业和日常生活中的重要性。首先，石灰水是通过将氧化钙（通常称为生石灰）与水混合而制成的。这一过程会释放热量，并产生一种强碱性溶液。氢氧化钙的化学式为Ca(OH)₂，表明它由一个钙原子、两个氧原子和两个氢原子组成。石灰水的pH值通常在12.4左右，显示出其较强的碱性。这一高pH值使其能够中和酸性物质，这是其最重要的特性之一。石灰水的主要用途之一是在建筑领域。它常用于生产石灰砂浆，这是一种由石灰、沙子和水混合而成的材料。石灰砂浆以其耐用性和灵活性而闻名，是一种能够承受环境压力的建筑结构的理想选择。此外，石灰水还用于污水处理。它有助于去除杂质并中和酸性物质，使水更安全地排放到自然水体中。在农业中，石灰水在土壤管理中发挥着重要作用。农民常常使用它来调节酸性土壤的pH值，从而促进作物生长。通过向田地添加石灰水，他们可以改善养分的可用性，增强微生物活动，最终提高作物产量。这一做法不仅对农民有利，还促进了可持续农业实践。此外，石灰水在食品行业也有应用。它有时用于某些食品的准备，例如腌菜和水果，以保持其脆度并增强其质地。在食品加工中添加石灰水还可以帮助保持产品的新鲜度，延长其保质期。在实验室中，石灰水被用于各种实验和演示。例如，它通常用于检测二氧化碳气体的存在。当二氧化碳通过石灰水时，它会反应生成碳酸钙，导致出现浑浊的白色沉淀。这一反应是一个经典实验，说明了化学和气体反应的原理。尽管石灰水有许多好处，但处理时必须小心。由于其高度碱性，可能会刺激皮肤和眼睛。因此，在任何应用中使用时应采取安全预防措施。建议佩戴保护装备，如手套和护目镜，以防止潜在的伤害。总之，石灰水是一种多功能且有价值的溶液，在各个行业中有众多应用。从建筑和农业到食品加工和实验室实验，其重要性不容低估。了解石灰水的性质和用途使我们能够欣赏它在日常生活和环境可持续性及工业过程中的作用。随着我们继续探索利用这一化合物的新方法，石灰水无疑将在我们追求创新和改进的各个领域中保持重要资源的地位。