colloidal solution

简明释义

胶态溶液

英英释义

例句

1.Milk is a common example of a colloidal solution, where fat droplets are dispersed in water.

牛奶是一个常见的胶体溶液的例子，其中脂肪滴分散在水中。

2.The colloidal solution used in the experiment was stable for several weeks.

实验中使用的胶体溶液在几周内保持稳定。

3.The effectiveness of the drug was enhanced when delivered in a colloidal solution form.

当药物以胶体溶液的形式给药时，其有效性得到了增强。

4.To create a colloidal solution, you need to ensure that the particles are small enough to remain suspended.

要创建一个胶体溶液，您需要确保颗粒足够小，以保持悬浮状态。

5.In the laboratory, we prepared a colloidal solution to study its properties under different temperatures.

在实验室，我们准备了一种胶体溶液以研究其在不同温度下的性质。

作文

A colloidal solution is a type of mixture where very small particles of one substance are dispersed throughout another substance. These particles are typically larger than molecules but smaller than what can be seen with the naked eye, usually ranging from 1 nanometer to 1 micrometer in diameter. This unique size allows the particles to remain suspended in the medium without settling out, which is a key characteristic of a colloidal solution (胶体溶液). Examples of colloidal solutions include milk, fog, and paint. Each of these substances contains tiny particles that are evenly distributed within a liquid or gas, creating a stable mixture.The properties of colloidal solutions are fascinating and differ significantly from those of true solutions and suspensions. In a true solution, the solute particles are so small that they cannot be seen and do not scatter light. In contrast, colloidal solutions exhibit the Tyndall effect, where light is scattered by the colloidal particles, making the path of the beam visible in the mixture. This scattering is why we can see the beams of sunlight through misty air; the water droplets in the air act as the colloidal particles.Understanding colloidal solutions is essential in various scientific fields, including chemistry, biology, and materials science. In medicine, for instance, many drugs are formulated as colloidal solutions to enhance their absorption and effectiveness. The stability of these solutions is crucial for ensuring that the medication remains effective until it reaches its target in the body.In environmental science, colloidal solutions play a vital role in processes such as the transport of nutrients and pollutants in water bodies. The ability of colloids to stabilize certain particles can affect the availability of nutrients for aquatic life and influence the behavior of contaminants in the environment. For example, heavy metals can form colloidal solutions in water, impacting their mobility and toxicity.Moreover, the food industry also utilizes colloidal solutions extensively. Emulsions, which are mixtures of two immiscible liquids like oil and water, are stabilized using colloidal agents such as lecithin. This is commonly seen in salad dressings and mayonnaise, where the oil is dispersed in water-based ingredients, creating a creamy texture and preventing separation. Understanding how to manipulate these colloidal solutions allows food scientists to create products with desirable textures and flavors.In conclusion, colloidal solutions (胶体溶液) are an intriguing area of study with significant implications across various disciplines. Their unique properties enable them to be utilized in numerous applications, from pharmaceuticals to environmental management and food production. As research continues, our understanding of colloidal solutions will likely expand, leading to new innovations and improvements in technology and health.

胶体溶液是一种混合物，其中一种物质的小颗粒均匀分散在另一种物质中。这些颗粒通常比分子大，但比肉眼可见的颗粒小，通常直径范围从1纳米到1微米。这个独特的大小使得颗粒能够在介质中保持悬浮而不沉淀，这正是胶体溶液的一个关键特征。胶体溶液的例子包括牛奶、雾和油漆。每一种这些物质都包含微小的颗粒，均匀分布在液体或气体中，形成一种稳定的混合物。胶体溶液的性质令人着迷，与真正的溶液和悬浮液显著不同。在真正的溶液中，溶质颗粒如此之小，以至于无法看到，也不会散射光。相比之下，胶体溶液展示了丁达尔效应，即光被胶体颗粒散射，使得光束的路径在混合物中可见。这种散射就是我们在雾气弥漫的空气中看到阳光光束的原因；空气中的水滴就充当了胶体颗粒。理解胶体溶液在化学、生物学和材料科学等多个科学领域至关重要。例如，在医学中，许多药物以胶体溶液的形式配制，以增强其吸收和有效性。这些溶液的稳定性对于确保药物在到达体内目标之前保持有效至关重要。在环境科学中，胶体溶液在水体中营养物质和污染物的运输过程中发挥着重要作用。胶体稳定某些颗粒的能力可能影响水生生物的营养物质可用性，并影响污染物在环境中的行为。例如，重金属可以在水中形成胶体溶液，影响其移动性和毒性。此外，食品工业也广泛利用胶体溶液。乳液是两种不相溶液体（如油和水）的混合物，使用胶体剂（如卵磷脂）进行稳定。这在沙拉酱和蛋黄酱中常见，油被分散在水基成分中，形成奶油质地并防止分离。理解如何操控这些胶体溶液使食品科学家能够创造出具有理想质地和风味的产品。总之，胶体溶液（胶体溶液）是一个引人入胜的研究领域，在各个学科中具有重要意义。它们独特的性质使其能够在多个应用中得到利用，从制药到环境管理和食品生产。随着研究的不断深入，我们对胶体溶液的理解可能会扩大，从而带来新的创新和技术及健康的改善。