aqueous emulsion

简明释义

水乳状液

英英释义

例句

1.The laboratory analyzed the properties of the aqueous emulsion for pharmaceutical applications.

实验室分析了该水相乳液在制药应用中的性质。

2.An aqueous emulsion is essential in many paint formulations to ensure even distribution.

在许多涂料配方中，水相乳液是确保均匀分布的关键。

3.To create a smooth texture, the chef incorporated an aqueous emulsion into the sauce.

为了创造光滑的质地，厨师将水相乳液加入了酱汁中。

4.In cosmetic formulations, an aqueous emulsion is often used to deliver active ingredients effectively.

在化妆品配方中，常常使用水相乳液有效传递活性成分。

5.The chemist prepared an aqueous emulsion to study the stability of the oil droplets.

化学家准备了一种水相乳液来研究油滴的稳定性。

作文

In the world of chemistry and materials science, the term aqueous emulsion refers to a mixture where small droplets of one liquid are dispersed throughout another liquid, typically water. This phenomenon is crucial in various applications, ranging from food production to pharmaceuticals. Understanding the properties and behaviors of aqueous emulsions can significantly enhance our ability to create stable products that meet consumer needs.An aqueous emulsion generally consists of two immiscible liquids, where one is dispersed as fine droplets within the other. The most common example is oil in water, where tiny oil droplets are suspended in water. This type of emulsion can be found in many everyday products, such as mayonnaise, salad dressings, and creams. The stability of an aqueous emulsion is often achieved through the use of emulsifiers, which are substances that help to stabilize the mixture by reducing the surface tension between the two liquids.Emulsifiers play a vital role in the formation and stability of aqueous emulsions. They usually consist of molecules that have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts. When added to an emulsion, these molecules orient themselves at the interface between the oil and water, preventing the droplets from coalescing and thus maintaining the emulsion's stability. Common emulsifiers include lecithin, found in egg yolks, and various synthetic surfactants used in commercial products.The study of aqueous emulsions is not limited to food science; it extends into the realm of pharmaceuticals as well. Many drug formulations utilize emulsions to enhance the solubility and bioavailability of active ingredients. By creating an aqueous emulsion, pharmaceutical scientists can ensure that the medication is delivered effectively within the body. This method is particularly advantageous for hydrophobic drugs that do not dissolve well in water, allowing for better absorption and therapeutic efficacy.Moreover, the cosmetic industry heavily relies on aqueous emulsions to formulate lotions, creams, and other personal care products. The ability to mix oil and water enables manufacturers to create products that moisturize and protect the skin while providing a pleasant texture and feel. The formulation of these products requires a deep understanding of the interactions between the components involved, as well as the desired characteristics of the final product.In conclusion, the term aqueous emulsion encompasses a wide range of applications across different fields, including food, pharmaceuticals, and cosmetics. By mastering the principles of aqueous emulsions, scientists and manufacturers can develop innovative products that improve quality of life. As research continues to advance, we can expect to see even more exciting developments in the use of emulsions in various industries. Understanding how to manipulate and stabilize aqueous emulsions will undoubtedly remain a key area of focus for chemists and engineers alike.

在化学和材料科学的世界中，术语水相乳液指的是一种混合物，其中小液滴被分散在另一种液体中，通常是水。这种现象在食品生产到制药等各种应用中至关重要。理解水相乳液的性质和行为可以显著提高我们创造稳定产品的能力，以满足消费者的需求。水相乳液通常由两种不相溶的液体组成，其中一种以细小的液滴形式分散在另一种液体中。最常见的例子是油在水中，其中微小的油滴悬浮在水中。这种类型的乳液可以在许多日常产品中找到，例如蛋黄酱、沙拉酱和护肤霜。通过使用乳化剂，通常可以实现水相乳液的稳定性，这些物质有助于通过降低两种液体之间的表面张力来稳定混合物。乳化剂在水相乳液的形成和稳定中发挥着至关重要的作用。它们通常由具有亲水性（吸水的）和疏水性（排斥水的）部分的分子组成。当添加到乳液中时，这些分子会在油和水之间的界面上定向，防止液滴合并，从而保持乳液的稳定性。常见的乳化剂包括存在于蛋黄中的卵磷脂以及用于商业产品的各种合成表面活性剂。对水相乳液的研究不仅限于食品科学；它还延伸到制药领域。许多药物配方利用乳液来增强活性成分的溶解度和生物利用度。通过创建水相乳液，制药科学家可以确保药物在体内有效传递。这种方法对那些在水中不易溶解的疏水性药物特别有利，允许更好的吸收和治疗效果。此外，化妆品行业也严重依赖于水相乳液来配制乳液、面霜和其他个人护理产品。混合油和水的能力使制造商能够创造出既滋润又保护皮肤的产品，同时提供愉悦的质感和感觉。这些产品的配方需要深入了解所涉及成分之间的相互作用，以及最终产品的所需特性。总之，术语水相乳液涵盖了不同领域的广泛应用，包括食品、制药和化妆品。通过掌握水相乳液的原理，科学家和制造商可以开发出改善生活质量的创新产品。随着研究的不断进展，我们可以期待看到在各个行业中使用乳液的更多令人兴奋的发展。理解如何操控和稳定水相乳液无疑将继续成为化学家和工程师关注的关键领域。