colloidal particle

简明释义

胶粒

英英释义

例句

1.In a suspension, the colloidal particle 胶体颗粒 remains evenly distributed without settling.

在悬浮液中，胶体颗粒 colloidal particle 均匀分布而不沉淀。

2.In medicine, colloidal particles 胶体颗粒 can be used for drug delivery systems.

在医学中，胶体颗粒 colloidal particles 可用于药物传递系统。

3.Researchers study colloidal particles 胶体颗粒 to understand their behavior in different environments.

研究人员研究 胶体颗粒 colloidal particles 以了解它们在不同环境中的行为。

4.The stability of a colloidal particle 胶体颗粒 in a solution depends on its surface charge.

一个 胶体颗粒 colloidal particle 在溶液中的稳定性取决于其表面电荷。

5.The size of a colloidal particle 胶体颗粒 typically ranges from 1 nanometer to 1 micrometer.

一个 胶体颗粒 colloidal particle 的大小通常在1纳米到1微米之间。

作文

Colloidal particles are an essential concept in the field of chemistry and material science. They refer to tiny particles that are dispersed throughout a medium, typically a liquid or gas, and are larger than molecules but smaller than visible particles. These colloidal particles (胶体颗粒) can vary in size, shape, and composition, which significantly influences their behavior and interactions within the medium. Understanding colloidal particles (胶体颗粒) is crucial for various applications, including pharmaceuticals, food science, and environmental technology.One of the most intriguing aspects of colloidal particles (胶体颗粒) is their stability in suspension. Unlike larger particles that tend to settle due to gravity, colloidal particles (胶体颗粒) remain evenly distributed throughout the medium, thanks to a balance of forces acting upon them. This phenomenon is primarily due to Brownian motion, where the random movement of molecules in the surrounding fluid keeps the colloidal particles (胶体颗粒) suspended. The stability of these systems is often enhanced by factors such as electrostatic repulsion and steric hindrance, which prevent the particles from aggregating.The applications of colloidal particles (胶体颗粒) are vast and varied. In the pharmaceutical industry, for instance, colloidal systems are used to improve the solubility and bioavailability of drugs. By formulating medications as colloids, manufacturers can ensure that active ingredients are more easily absorbed by the body. Similarly, in food science, colloidal particles (胶体颗粒) play a key role in the texture and stability of products like mayonnaise and ice cream, where emulsions are formed to maintain a uniform consistency.Moreover, colloidal particles (胶体颗粒) are also significant in environmental applications. For example, they can be utilized in water treatment processes to remove contaminants. By introducing specific colloidal particles (胶体颗粒) into contaminated water, pollutants can be agglomerated and subsequently removed through filtration. This method is not only effective but also environmentally friendly, as it minimizes the use of harsh chemicals.The study of colloidal particles (胶体颗粒) is not without its challenges. Researchers must navigate complex interactions between particles and their environment, which can be influenced by factors such as pH, temperature, and ionic strength. Understanding these interactions is vital for optimizing the performance of colloidal systems in practical applications.In conclusion, colloidal particles (胶体颗粒) are a fundamental aspect of many scientific disciplines and industrial applications. Their unique properties and behaviors make them invaluable in fields ranging from medicine to food production and environmental management. As research continues to advance, the potential uses and benefits of colloidal particles (胶体颗粒) will likely expand, leading to innovative solutions for some of the world's most pressing challenges.