aqueous emulsion

简明释义

水乳状液

英英释义

例句

1.The formulation of salad dressings frequently involves an aqueous emulsion (水乳液) to blend oil and vinegar.

沙拉酱的配方通常涉及aqueous emulsion（水乳液），以混合油和醋。

2.The cosmetic industry often uses aqueous emulsion (水乳液) for creams and lotions to improve skin hydration.

化妆品行业常使用aqueous emulsion（水乳液）来制作面霜和乳液，以改善皮肤水分。

3.An aqueous emulsion (水乳液) is crucial in the production of certain types of adhesives.

在某些类型的粘合剂生产中，aqueous emulsion（水乳液）至关重要。

4.Paints often contain aqueous emulsion (水乳液) to ensure they are easy to apply and clean up with water.

油漆通常含有aqueous emulsion（水乳液），以确保易于涂抹并且可以用水清洗。

5.In pharmaceuticals, an aqueous emulsion (水乳液) can be used to deliver active ingredients effectively.

在制药领域，aqueous emulsion（水乳液）可用于有效传递活性成分。

作文

In the world of chemistry and material science, the term aqueous emulsion refers to a mixture where tiny droplets of one liquid are dispersed in another liquid, specifically water. This concept is crucial for various applications, including food production, pharmaceuticals, and cosmetics. Understanding the properties and behavior of aqueous emulsion can lead to innovations in these fields, enhancing product stability and performance. An aqueous emulsion typically consists of two immiscible liquids: oil and water. The oil phase is dispersed in the water phase, creating a stable system that can be manipulated for different uses. For example, in the food industry, mayonnaise is an everyday example of an aqueous emulsion, where oil is emulsified with egg yolk and vinegar or lemon juice. The emulsifying agent, usually a protein or an emulsifier, helps to stabilize the mixture, preventing the oil and water from separating. In pharmaceuticals, aqueous emulsions are often used to deliver active ingredients effectively. Many drugs are hydrophobic, meaning they do not dissolve well in water. By formulating these drugs into an aqueous emulsion, they can be more easily absorbed by the body. This method also allows for controlled release of the medication, improving therapeutic outcomes. Moreover, the cosmetic industry heavily relies on aqueous emulsions to create creams, lotions, and other personal care products. The emulsion provides a smooth texture and enhances the application experience. For instance, a moisturizer might contain an aqueous emulsion of oils and water, delivering hydration while leaving a non-greasy finish on the skin. The stability of an aqueous emulsion is influenced by several factors, including the type of emulsifier used, the ratio of oil to water, and the processing conditions. High-energy processes like homogenization can create smaller droplets, resulting in a more stable emulsion. On the contrary, if the emulsion is not properly formulated or stored, it can break down, leading to phase separation. To further understand aqueous emulsions, scientists conduct various experiments to analyze their properties. Techniques such as dynamic light scattering and rheology help researchers determine droplet size distribution and viscosity, which are critical parameters for the stability and usability of emulsions. In conclusion, the study of aqueous emulsion is essential across multiple industries. From enhancing food textures to improving drug delivery systems and creating luxurious cosmetics, the applications of this concept are vast. As technology advances, the ability to manipulate and optimize aqueous emulsions will likely lead to even more innovative solutions and products that benefit consumers worldwide.

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，其中一种液体的微小液滴分散在另一种液体中，特别是水。这个概念对于食品生产、制药和化妆品等各种应用至关重要。理解水相乳液的性质和行为可以推动这些领域的创新，增强产品的稳定性和性能。水相乳液通常由两种不相溶的液体组成：油和水。油相分散在水相中，形成一个稳定的系统，可以根据不同的用途进行操作。例如，在食品工业中，蛋黄酱是水相乳液的日常例子，其中油与蛋黄和醋或柠檬汁乳化。乳化剂，通常是蛋白质或乳化剂，有助于稳定混合物，防止油和水分离。在制药领域，水相乳液常用于有效递送活性成分。许多药物是疏水性的，意味着它们在水中溶解得不好。通过将这些药物配制成水相乳液，可以更容易被身体吸收。这种方法还允许药物的控制释放，提高治疗效果。此外，化妆品行业严重依赖水相乳液来制造面霜、乳液和其他个人护理产品。乳液提供了光滑的质地，增强了使用体验。例如，一种保湿霜可能包含油和水的水相乳液，在提供水分的同时，在皮肤上留下无油腻感。水相乳液的稳定性受到多种因素的影响，包括所使用的乳化剂类型、油与水的比例以及加工条件。高能量过程如均质化可以产生更小的液滴，从而导致更稳定的乳液。相反，如果乳液没有正确配制或储存，可能会分解，导致相分离。为了进一步理解水相乳液，科学家进行各种实验以分析其性质。动态光散射和流变学等技术帮助研究人员确定液滴大小分布和粘度，这是乳液稳定性和可用性的关键参数。总之，研究水相乳液在多个行业中至关重要。从增强食品质地到改善药物递送系统，再到创造奢华的化妆品，这一概念的应用范围广泛。随着技术的进步，操控和优化水相乳液的能力可能会导致更多创新解决方案和产品，造福全球消费者。