chitin

简明释义

英[ˈkaɪtɪn]美[ˈkaɪtɪn]

n. 壳质；几丁质；角素；甲壳素

英英释义

单词用法

同义词

反义词

例句

1.Fiber spinning from lyotropic liquid crystalline solutions of chitin and its der.

介绍了甲壳素及其衍生物的液晶纺丝及其应用前景。

2.The result shows that the carboxymethyl chitin has better hygroscopicity and moisture-retention.

结果表明：羧甲基甲壳质具有良好的吸湿和保湿性能。

3.Wasp and fly wings are made from two compressed layers of transparent chitin, with light bouncing off both layers and mixing to produce color.

果蝇和黄蜂的翅膀其实是由两层压缩的透明甲壳质组成，每层甲壳质都能够在内部对光线进行折射，从而产生出各种色彩。

4.The article generalize the usage of chitin, chitosan and its derivatives in food industry.

本文综述了几丁质、几丁聚糖及其衍生物在食品工业中的应用。

5.This paper introduces the chitin, describes the principle, method and results of the experiment ot clarifying sugarcane juice-with chitin.

介绍了几丁质，阐述了用几丁质澄清蔗汁的原理、实验方法和结果。

6.By acetylating the chitosan fibers, chitin fibers can be made through a batch process.

在甲壳胺纤维上加上乙酰基后可以得到再生甲壳素纤维。

7.In the ocean, crustaceans like crabs and lobsters have shells made of chitin.

在海洋中，像螃蟹和龙虾这样的甲壳类动物的壳是由几丁质构成的。

8.Researchers are exploring the use of chitin in biodegradable plastics.

研究人员正在探索将几丁质用于可生物降解塑料。

9.The process of extracting chitin from shrimp shells is an important step in food processing.

从虾壳中提取几丁质的过程是食品加工中的一个重要步骤。

10.The exoskeleton of insects is primarily composed of chitin, which provides strength and protection.

昆虫的外骨骼主要由几丁质组成，提供强度和保护。

11.Some fungi have cell walls that contain chitin, giving them rigidity.

一些真菌的细胞壁含有几丁质，使它们具有刚性。

作文

Chitin is a fascinating biopolymer that plays a crucial role in the structure and function of various organisms. It is primarily found in the exoskeletons of arthropods, such as insects and crustaceans, as well as in the cell walls of fungi. The significance of chitin (几丁质) extends beyond its structural properties; it also has potential applications in medicine, agriculture, and biotechnology.The composition of chitin (几丁质) is quite unique. It is a long-chain polymer made up of N-acetylglucosamine, a derivative of glucose. This composition gives chitin (几丁质) its strength and flexibility, making it an ideal material for protection against physical damage and environmental factors. For instance, the hard outer shell of a crab is largely composed of chitin (几丁质), which not only protects the animal from predators but also helps it retain moisture in aquatic environments.In addition to its protective functions, chitin (几丁质) is also involved in various biological processes. In fungi, chitin (几丁质) provides structural integrity to the cell walls, allowing them to maintain shape and resist external pressures. In insects, chitin (几丁质) contributes to the formation of the cuticle, which serves as a barrier against pathogens and dehydration.One of the most exciting aspects of chitin (几丁质) is its potential for use in various industries. Researchers are exploring ways to harness the properties of chitin (几丁质) for medical applications, such as wound dressings and drug delivery systems. Its biocompatibility and biodegradability make chitin (几丁质) an attractive option for developing sustainable materials that can reduce environmental impact.In agriculture, chitin (几丁质) is being studied for its ability to enhance plant growth and resistance to pests. When applied to soil, chitin (几丁质) can stimulate beneficial microbial activity, leading to improved nutrient availability for plants. Additionally, some studies suggest that chitin (几丁质) can trigger natural defense mechanisms in plants, making them less susceptible to diseases and pests.Despite its many advantages, the extraction and processing of chitin (几丁质) from natural sources can be challenging. The most common method involves demineralization and deproteinization of crustacean shells, which can be an environmentally taxing process. Therefore, researchers are continuously seeking more sustainable methods for obtaining chitin (几丁质) that minimize waste and energy consumption.In conclusion, chitin (几丁质) is a remarkable biopolymer with diverse functions and applications. Its presence in nature showcases the intricate relationships between organisms and their environments. As we continue to explore the potential of chitin (几丁质), it is likely that we will uncover even more innovative uses that can benefit society while promoting sustainability. Understanding chitin (几丁质) is not just about appreciating its biological significance but also recognizing its potential to contribute to a more sustainable future.

几丁质是一种引人入胜的生物聚合物，在各种生物体的结构和功能中发挥着至关重要的作用。它主要存在于节肢动物（如昆虫和甲壳类动物）的外骨骼中，以及真菌的细胞壁中。几丁质的意义不仅在于其结构特性；它在医学、农业和生物技术方面也具有潜在的应用。几丁质的组成非常独特。它是由N-乙酰氨基葡萄糖组成的长链聚合物，N-乙酰氨基葡萄糖是葡萄糖的衍生物。这种组成赋予了几丁质其强度和灵活性，使其成为抵御物理损伤和环境因素的理想材料。例如，螃蟹的硬外壳主要由几丁质构成，不仅保护动物免受捕食者的侵害，还帮助其在水生环境中保持水分。除了保护功能外，几丁质还参与各种生物过程。在真菌中，几丁质为细胞壁提供结构完整性，使其能够维持形状并抵抗外部压力。在昆虫中，几丁质有助于形成外套，这作为对病原体和脱水的屏障。几丁质最令人兴奋的方面之一是其在各个行业中的潜在用途。研究人员正在探索利用几丁质的特性进行医疗应用，如创伤敷料和药物输送系统。其生物相容性和生物降解性使得几丁质成为开发可持续材料的一个有吸引力的选择，这些材料可以减少环境影响。在农业中，几丁质正在被研究其增强植物生长和抵御害虫的能力。当施加到土壤中时，几丁质可以刺激有益微生物活动，从而改善植物的营养可用性。此外，一些研究表明，几丁质可以触发植物的自然防御机制，使其不易受到疾病和害虫的侵害。尽管有许多优点，但从自然来源提取和加工几丁质可能会面临挑战。最常见的方法涉及对甲壳类动物壳的去矿化和去蛋白质化，这可能是一个对环境有负担的过程。因此，研究人员不断寻找更可持续的方法来获取几丁质，以最小化废物和能源消耗。总之，几丁质是一种具有多种功能和应用的非凡生物聚合物。它在自然界中的存在展示了生物体与其环境之间复杂的关系。随着我们继续探索几丁质的潜力，我们可能会发现更多创新的用途，造福社会，同时促进可持续发展。理解几丁质不仅仅是欣赏其生物学意义，更是认识到它对促进可持续未来的贡献。