surface energy
简明释义
表面能
英英释义
Surface energy is the excess energy at the surface of a material compared to its bulk, arising from the disruption of intermolecular bonds at the surface. | 表面能是指材料表面相对于其体积部分的多余能量,源于表面分子间键的破裂。 |
例句
1.When droplets form on a surface, their shape is determined by the surface energy 表面能 of that surface.
当液滴在表面上形成时,它们的形状由该表面的surface energy 表面能决定。
2.In the manufacturing process, controlling surface energy 表面能 can improve product quality.
在制造过程中,控制surface energy 表面能可以提高产品质量。
3.The adhesion of paint to a surface is influenced by the surface energy 表面能 of the material.
涂料与表面的附着力受材料的surface energy 表面能影响。
4.The surface energy 表面能 of polymers can be modified through various treatments.
聚合物的surface energy 表面能可以通过各种处理方法进行修改。
5.Materials with high surface energy 表面能 tend to attract contaminants more easily.
具有高surface energy 表面能的材料更容易吸引污染物。
作文
Surface energy is a fundamental concept in materials science and physics, referring to the excess energy at the surface of a material compared to its bulk. This phenomenon occurs because atoms at the surface are not surrounded by as many neighboring atoms as those in the interior, leading to an imbalance of forces. Understanding surface energy (表面能) is crucial for various applications, including coatings, adhesion, and the behavior of liquids on solid surfaces.In everyday life, we encounter examples of surface energy (表面能) in phenomena such as water droplets forming beads on a waxed car surface or the way soap bubbles maintain their shape. The high surface energy (表面能) of clean glass allows water to spread out and form a thin film, while the low surface energy (表面能) of wax causes water to bead up and roll off. These behaviors can be attributed to the molecular interactions at the surface of the materials involved.The significance of surface energy (表面能) extends beyond simple observations; it plays a critical role in industrial processes. For instance, in the coating industry, the surface energy (表面能) of a substrate must be considered to ensure proper adhesion of paints and coatings. A surface with low surface energy (表面能) may require surface treatment to enhance its wettability, allowing coatings to adhere effectively.Moreover, the study of surface energy (表面能) is essential in the field of nanotechnology. At the nanoscale, the ratio of surface area to volume increases significantly, making the surface energy (表面能) a dominant factor influencing the properties and stability of nanomaterials. Engineers and scientists must carefully manipulate surface energy (表面能) to develop new materials with desired characteristics, such as improved strength or reduced friction.Another area where surface energy (表面能) is vital is in the realm of biological systems. The interaction between cells and their environment is heavily influenced by surface energy (表面能). For example, the ability of cells to adhere to surfaces or each other is often dictated by the surface energy (表面能) of the materials involved. This has implications for tissue engineering and regenerative medicine, where creating suitable scaffolds for cell growth is paramount.In conclusion, surface energy (表面能) is a key concept that permeates various fields of science and technology. Its influence on material properties and behaviors cannot be overstated. From improving industrial processes to advancing medical technologies, a thorough understanding of surface energy (表面能) is essential for researchers and practitioners alike. As we continue to explore and exploit the unique characteristics of materials at their surfaces, the importance of surface energy (表面能) will only grow, paving the way for innovations that enhance our daily lives and technological capabilities.
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