barrier permeability

简明释义

屏障透过率

英英释义

例句

1.The study focused on the barrier permeability of the skin to evaluate how well it can prevent water loss.

该研究集中在屏障渗透性上，以评估皮肤防止水分流失的能力。

2.High barrier permeability in membranes can lead to increased contamination in water filtration systems.

膜的高屏障渗透性可能导致水过滤系统中污染物的增加。

3.Researchers are investigating the barrier permeability of various materials used in packaging to enhance food preservation.

研究人员正在调查用于包装的各种材料的屏障渗透性，以增强食品保鲜效果。

4.The pharmaceutical industry often tests barrier permeability to ensure drug formulations are effective.

制药行业通常测试屏障渗透性以确保药物配方的有效性。

5.Changes in barrier permeability can affect the absorption rates of topical medications.

变化的屏障渗透性会影响局部药物的吸收速率。

作文

Barrier permeability is a crucial concept in various fields, including environmental science, engineering, and biology. It refers to the ability of a barrier to allow substances, such as liquids or gases, to pass through it. Understanding barrier permeability (屏障渗透性) is essential for designing effective barriers that can control the movement of pollutants, protect sensitive ecosystems, and ensure the integrity of structures. In this essay, I will explore the significance of barrier permeability (屏障渗透性), its applications, and the factors that influence it.One of the primary applications of barrier permeability (屏障渗透性) is in environmental protection. For instance, in landfill sites, impermeable liners are used to prevent leachate—contaminated liquid from decomposing waste—from seeping into the groundwater. The effectiveness of these liners largely depends on their barrier permeability (屏障渗透性). If the permeability is too high, harmful substances may escape, leading to soil and water contamination. Therefore, engineers must carefully assess the materials used for these barriers to ensure they have low barrier permeability (屏障渗透性).In the field of construction, barrier permeability (屏障渗透性) plays a significant role in maintaining the durability of buildings. For example, in areas prone to flooding, it is vital to use materials with low barrier permeability (屏障渗透性) in the foundation and walls to prevent water intrusion. Additionally, waterproof membranes are often employed to enhance the barrier permeability (屏障渗透性) of roofs and basements. Understanding how different materials behave under various conditions helps architects and builders create structures that are resilient against environmental challenges.Biologically, barrier permeability (屏障渗透性) is critical for the functioning of cells. The cell membrane acts as a barrier that regulates the movement of ions and molecules in and out of the cell. This selective permeability is vital for maintaining homeostasis within the cell. Factors such as temperature, pH, and the presence of specific proteins can influence the barrier permeability (屏障渗透性) of the membrane. For example, certain channels and transporters can increase permeability to specific substances, allowing the cell to respond to its environment effectively.Moreover, the study of barrier permeability (屏障渗透性) extends to pharmaceutical sciences, where understanding how drugs penetrate biological barriers is essential for effective drug delivery. Researchers aim to develop formulations that can enhance the barrier permeability (屏障渗透性) of medications, ensuring they reach their target sites efficiently. Techniques such as liposomal encapsulation or the use of permeation enhancers are explored to improve the bioavailability of drugs.In conclusion, barrier permeability (屏障渗透性) is a multifaceted concept that impacts various disciplines, from environmental science to biology and pharmacology. Its importance cannot be overstated, as it influences the effectiveness of barriers designed to protect our environment, the structural integrity of buildings, and the functionality of biological systems. As we continue to face environmental challenges and strive for advancements in medicine, a deeper understanding of barrier permeability (屏障渗透性) will be essential for innovation and sustainability.