chemical barrier

简明释义

化学性阻挡层

英英释义

例句

1.Certain plants produce substances that serve as a chemical barrier 化学屏障 against insects.

某些植物产生的物质可以作为对抗昆虫的化学屏障chemical barrier。

2.The skin acts as a chemical barrier 化学屏障 that protects the body from harmful pathogens.

皮肤充当了一个化学屏障chemical barrier，保护身体免受有害病原体的侵害。

3.The use of coatings can create a chemical barrier 化学屏障 to prevent corrosion on metal surfaces.

使用涂层可以创建一个化学屏障chemical barrier，以防止金属表面腐蚀。

4.Fish produce mucus as a chemical barrier 化学屏障 to protect themselves from infections.

鱼类产生粘液作为化学屏障chemical barrier，以保护自己免受感染。

5.In pharmaceuticals, a chemical barrier 化学屏障 can help control the release of active ingredients.

在制药中，化学屏障chemical barrier可以帮助控制活性成分的释放。

作文

In the world of biology and medicine, the concept of a chemical barrier plays a crucial role in maintaining the integrity of living organisms. A chemical barrier refers to the various chemical substances that protect cells and tissues from harmful agents, such as pathogens and toxins. These barriers are essential for the immune system and help prevent infections and diseases. For instance, the skin acts as a physical and chemical barrier, producing antimicrobial peptides that inhibit the growth of bacteria and fungi on its surface.Furthermore, the mucous membranes lining our respiratory and digestive tracts also serve as important chemical barriers. They secrete mucus, which traps pathogens and particles, preventing them from entering the body. Additionally, enzymes present in saliva and gastric juices act as chemical barriers, breaking down harmful microorganisms before they can cause any damage.The importance of chemical barriers extends beyond just physical protection. They also play a significant role in signaling and communication within the body. For example, when a pathogen breaches a chemical barrier, it triggers an immune response, leading to the release of signaling molecules that alert other immune cells to the threat. This intricate network of chemical signals is vital for coordinating an effective immune response and ensuring the body's defense mechanisms are activated promptly.Moreover, researchers are increasingly exploring the potential of chemical barriers in developing new therapeutic strategies. By understanding how these barriers function, scientists aim to create innovative treatments that enhance the body's natural defenses. For instance, the development of vaccines often involves stimulating the production of specific chemical barriers to bolster immunity against certain diseases.In conclusion, the concept of a chemical barrier is fundamental to our understanding of health and disease. These barriers not only provide a first line of defense against harmful agents but also facilitate communication within the immune system. As we continue to explore the complexities of biological systems, the role of chemical barriers will undoubtedly remain a focal point in the advancement of medical science. Understanding and harnessing these barriers could lead to breakthroughs in disease prevention and treatment, ultimately improving human health and well-being.

在生物学和医学的世界中，化学屏障的概念在维持生物体完整性方面发挥着至关重要的作用。化学屏障是指各种化学物质，它们保护细胞和组织免受有害物质（如病原体和毒素）的侵害。这些屏障对免疫系统至关重要，有助于预防感染和疾病。例如，皮肤既是物理屏障又是化学屏障，它产生抗微生物肽，抑制细菌和真菌在其表面的生长。此外，衬里呼吸道和消化道的粘膜也作为重要的化学屏障。它们分泌粘液，捕获病原体和颗粒，防止它们进入体内。此外，唾液和胃液中的酶充当化学屏障，在有害微生物造成任何损害之前分解它们。化学屏障的重要性不仅限于物理保护。它们在体内信号传递和沟通中也发挥着重要作用。例如，当病原体突破化学屏障时，会触发免疫反应，导致释放信号分子，提醒其他免疫细胞面临威胁。这种复杂的化学信号网络对于协调有效的免疫反应至关重要，确保身体的防御机制及时激活。此外，研究人员越来越多地探索化学屏障在开发新治疗策略中的潜力。通过了解这些屏障的功能，科学家们旨在创造出增强身体自然防御的新型治疗方法。例如，疫苗的开发通常涉及刺激特定化学屏障的产生，以增强对某些疾病的免疫力。总之，化学屏障的概念对我们理解健康和疾病至关重要。这些屏障不仅提供了对有害物质的第一道防线，还促进了免疫系统内部的沟通。随着我们继续探索生物系统的复杂性，化学屏障的作用无疑将继续成为医学科学进步的一个焦点。理解和利用这些屏障可能会导致在疾病预防和治疗方面的突破，最终改善人类健康和福祉。