alkalies

简明释义

英[ˈælkəlaɪz]美[ˈælkəlaɪz]

n. 碱金属，碱性液（alkali 的复数，等于 alkalis）

英英释义

单词用法

同义词

反义词

例句

1.Both too high content of alkalies and too low content of melt cause the formation of dusty clinker.

含碱过高且熔体不足是飞砂料形成的根本原因。

2.Soluble metallic hydroxides are bases that are alkalies.

可溶解的金属氢氧化合物都是碱。

3.Alkalies also cause severe wear of common refractories.

碱还严重地浸蚀通用的耐火材料。

4.The "SA" can be constructed of special alloys for applications which contain corrosive liquids such as alkalies and acids.

“SA”可以由特殊合金制造而成，用在各种应用中，包括诸如碱和酸等腐蚀性液体。

5.The surface effectively resists corrosive action of water, saltwater spray, alkalies, crude oil, and natural gas.

这种表面能有效地抵御水、盐雾、碱、原油和天然气的腐蚀反应。

6.As alkalies in the coal dust ash dissolve out and carbonates are entrained into the system, serious scaling occurs in the cooling water system of the dust collector.

由于粉煤灰中碱性物的溶出及碳酸盐带入系统，导致除尘冷却水系统存在严重的结垢问题。

7.Hydroxides include the familiar alkalies of laboratory and industrial processes.

氢氧化物包括实验室和工业过程中常用的碱。

8.As alkalies in the coal dust ash dissolve out and carbonates are entrained into the system, serious scaling occurs in the cooling water system of the dust collector.

由于粉煤灰中碱性物的溶出及碳酸盐带入系统，导致除尘冷却水系统存在严重的结垢问题。

9.The chemical resistance of Cilran allows its use with acids, salts, alkalies and water based solutions.

其耐化学性使得这种管可以用于酸性液、碱性液和水基溶液。

10.More broadly, ammonium hydroxide (see ammonia) and soluble hydroxides of the alkaline earth metals are also called alkalies.

更广义的范围包括碱土金属。碱是强碱性的，会使红石蕊试纸变蓝色；

11.During the experiment, we added alkalies (碱) to observe their reaction with acids.

在实验中，我们添加了alkalies（碱）以观察它们与酸的反应。

12.Many cleaning products contain alkalies (碱) that help break down grease and grime.

许多清洁产品含有alkalies（碱），可以帮助分解油脂和污垢。

13.The pH level of a solution can be increased by adding alkalies (碱).

通过添加alkalies（碱）可以提高溶液的pH值。

14.The presence of alkalies (碱) in soil can affect plant growth and nutrient availability.

土壤中存在的alkalies（碱）会影响植物生长和养分的可用性。

15.In chemistry, we often discuss the properties of alkalies (碱) such as their ability to neutralize acids.

在化学中，我们经常讨论alkalies（碱）的性质，例如它们中和酸的能力。

作文

Alkalis are a fascinating group of substances that play a crucial role in both chemistry and everyday life. They are defined as bases that dissolve in water, producing hydroxide ions (OH-). This characteristic makes alkalies (碱) essential in various chemical reactions and applications. For instance, they are commonly found in household products such as cleaning agents, where their ability to neutralize acids is utilized. The most well-known alkalies (碱) include sodium hydroxide (lye) and potassium hydroxide, both of which are strong bases. In the realm of chemistry, alkalies (碱) are often used to adjust the pH levels of solutions. Maintaining the correct pH is vital in many industrial processes, as it can significantly affect the outcome of chemical reactions. For example, in the manufacturing of soap, alkalies (碱) react with fats to produce glycerin and fatty acid salts, resulting in a product that is not only effective for cleaning but also gentle on the skin. Moreover, alkalies (碱) are essential in agriculture. They help to neutralize acidic soils, thereby improving nutrient availability for plants. Farmers often test soil pH and apply lime or other alkalies (碱) to enhance crop yields. The importance of alkalies (碱) in maintaining soil health cannot be overstated, as it directly impacts food production and sustainability. In addition to their practical uses, alkalies (碱) also have significant implications in environmental science. They can be used to treat wastewater, helping to neutralize acidic effluents before they are released into natural water bodies. This process is crucial for protecting aquatic ecosystems, as high acidity can harm marine life. By understanding how alkalies (碱) interact with various pollutants, scientists can develop better strategies for environmental remediation. Furthermore, the study of alkalies (碱) extends into the field of medicine. Certain medical treatments involve the use of alkalies (碱) to balance body pH levels. For instance, conditions such as acidosis, where the body's fluids contain too much acid, can be treated with alkaline substances to restore balance. This highlights the versatility and importance of alkalies (碱) beyond just industrial applications. In summary, alkalies (碱) are more than just basic substances; they are integral to various sectors, including industry, agriculture, environmental science, and medicine. Their ability to neutralize acids and participate in chemical reactions makes them invaluable in both scientific research and practical applications. As we continue to explore and understand the role of alkalies (碱) in our world, we can appreciate their significance in promoting health, sustainability, and innovation. The study of alkalies (碱) is not only about chemistry but also about finding solutions to some of the pressing challenges we face today.

碱是一类迷人的物质，在化学和日常生活中扮演着至关重要的角色。它们被定义为溶于水并产生氢氧根离子（OH-）的碱性物质。这一特性使得alkalies（碱）在各种化学反应和应用中至关重要。例如，它们通常出现在家庭产品中，如清洁剂，利用其中和酸的能力。最著名的alkalies（碱）包括氢氧化钠（苛性钠）和氢氧化钾，这两者都是强碱。在化学领域，alkalies（碱）常用于调节溶液的pH值。保持正确的pH值在许多工业过程中至关重要，因为这会显著影响化学反应的结果。例如，在肥皂的制造中，alkalies（碱）与脂肪反应，生成甘油和脂肪酸盐，从而产生一种不仅有效清洁且对皮肤温和的产品。此外，alkalies（碱）在农业中也至关重要。它们有助于中和酸性土壤，从而改善植物的养分可用性。农民通常会测试土壤pH，并施加石灰或其他alkalies（碱）来提高作物产量。alkalies（碱）在维持土壤健康方面的重要性不容小觑，因为这直接影响到粮食生产和可持续发展。除了它们的实际用途，alkalies（碱）在环境科学中也具有重要意义。它们可以用于处理废水，帮助中和酸性废水，然后再释放到自然水体中。这一过程对于保护水生生态系统至关重要，因为高酸度可能会危害海洋生物。通过理解alkalies（碱）与各种污染物的相互作用，科学家可以制定更好的环境修复策略。此外，alkalies（碱）的研究还扩展到医学领域。某些医疗治疗涉及使用alkalies（碱）来平衡体内pH水平。例如，身体液体中含有过多酸的酸中毒等情况，可以通过碱性物质进行治疗，以恢复平衡。这突显了alkalies（碱）在工业应用之外的多样性和重要性。总之，alkalies（碱）不仅仅是基本物质；它们在工业、农业、环境科学和医学等多个领域中都是不可或缺的。它们中和酸的能力和参与化学反应的特性使它们在科学研究和实际应用中极具价值。随着我们继续探索和理解alkalies（碱）在世界中的作用，我们可以欣赏到它们在促进健康、可持续性和创新方面的重要性。对alkalies（碱）的研究不仅是关于化学的，更是关于寻找解决我们今天面临的一些紧迫挑战的方案。