pellicle
简明释义
n. 薄膜,薄皮
英英释义
A thin layer or film, especially one that forms on the surface of a liquid. | 一种薄层或薄膜,特别是形成在液体表面上的薄层。 |
A protective or covering membrane, particularly in biological contexts. | 一种保护性或覆盖性膜,特别是在生物学背景下。 |
单词用法
生物膜薄膜 | |
油膜 | |
明胶薄膜 | |
形成薄膜 | |
去除薄膜 | |
薄膜形成 |
同义词
薄膜 | The surface of the water was covered with a thin film of oil. | 水面上覆盖着一层薄薄的油膜。 | |
层 | The outer layer of the skin protects against environmental factors. | 皮肤的外层保护身体免受环境因素的影响。 | |
膜 | 这个膜对细胞过程至关重要。 |
反义词
大块 | 材料的大块是固体且沉重的。 | ||
质量 | 物体的质量使其难以移动。 |
例句
1.Animal model of oral ulcer was constructed to determine the curative effect of the pellicle with the diameter of ulcer area and healing time.
建立制备动物口腔粘膜溃疡模型,从溃面直径和愈合期两个方面考察药物的疗效。
2.It is obvious that pollen- wall and stigma- pellicle proteins are recognition substances of pollen and stigma respectively.
显然,花粉壁蛋白和柱头表膜蛋白分别是花粉侧和柱头侧不亲和反应的识别物质。
3.Pellicle for oral ulcer can relieve pain and inflammation and has an astringent action.
口腔溃疡膜能消炎,止痛并具有收敛作用。
4.This article discussed the cause of mildew, the inspection and prevention of undesired yeast, prevention of forming white pellicle and bottle expanding, and improvement of soy sauce quality.
该文论述了酱油中酵母菌的检验与防治,有效地防止酱油长白、涨瓶现象的发生。
5.This method is accurate, rapid and simple for the quality control of the collagen burn pellicle of compound sulfadiazine silver.
本方法准确,快速,简便,可用于复方胶原蛋白烧伤膜释放度的测定。
6.The Preparation of nanometer TiO2 power, nanometer TiO2 pellicle and nanometer TiO2 block are introduced in the paper.
介绍了纳米二氧化钛粉体、薄膜和块材的制备技术,其中对化学法作了较为全面的介绍。
7.Abstract: The effects of bagging on growth and quality of cucumber was studied using cucumber "Zhongnong NO. 8" as material and bagged fruit with PVC pellicle.
黄瓜是蔬菜作物中最重要的一种,在浙江设施栽培中占有举足轻重的地位。
8.Objective: to observe curative effects of acellular allogeneic dermis and autologous pellicle mixed transplantation in repairing deep-burned function spots and orthopedic surgery.
目的:观察脱细胞异体真皮加自体薄皮混合移植对深度烧伤部分修复功能和整形外科中的治疗效果。
9.The surface of the water was covered with a thin pellicle that reflected the sunlight beautifully.
水面上覆盖着一层薄薄的膜,美丽地反射着阳光。
10.In brewing, a pellicle can form on the surface of beer during fermentation.
在酿酒过程中,发酵时啤酒表面可能会形成一层膜。
11.The pellicle of fat on the meat helps to keep it moist while cooking.
肉上的膜有助于在烹饪时保持其湿润。
12.Some cheeses develop a natural pellicle that protects them from spoilage.
一些奶酪会形成天然的膜,保护它们不易变质。
13.A pellicle is often seen in yogurt, indicating that it has been properly fermented.
在酸奶中常见到膜,这表明它已经正确发酵。
作文
In the realm of biology, the term pellicle refers to a thin layer or film that can be found on the surface of certain microorganisms, such as protozoa and bacteria. This structure plays a crucial role in protecting these organisms from their environment while also assisting in various functions necessary for survival. Understanding the significance of the pellicle is essential for anyone studying microbiology or cellular biology, as it provides insights into how these microscopic entities interact with their surroundings. The pellicle serves multiple purposes, one of which is to maintain the shape and integrity of the cell. In many single-celled organisms, the pellicle acts as a supportive barrier, preventing the cell from collapsing under external pressures. This feature is particularly important for organisms living in aquatic environments, where changes in water pressure can affect cellular stability. Without a robust pellicle, these microorganisms would struggle to survive in their often turbulent habitats. Another significant function of the pellicle is its role in nutrient absorption. The thin nature of the pellicle allows for efficient transport of essential nutrients into the cell while simultaneously facilitating the removal of waste products. This selective permeability is vital for maintaining homeostasis within the cell, ensuring that it has access to the resources it needs to thrive. Furthermore, the pellicle can also play a part in locomotion. In some organisms, like euglena, the pellicle is flexible, enabling the organism to change shape and move in response to environmental stimuli. This adaptability is crucial for finding food and avoiding predators. The study of the pellicle extends beyond just its biological implications; it also has practical applications in various fields. For instance, in biotechnology, researchers are exploring how the properties of the pellicle can be harnessed for drug delivery systems. By mimicking the structure and function of natural pellicles, scientists aim to create more effective methods for delivering medications directly to cells, improving treatment outcomes for diseases at the cellular level. Moreover, understanding the pellicle can lead to advancements in environmental science. For example, certain bacteria utilize their pellicles to form biofilms, which can be both beneficial and detrimental in different contexts. Biofilms can aid in the breakdown of pollutants in wastewater treatment but can also lead to the fouling of pipes and other infrastructure. By studying the characteristics of the pellicle in these bacteria, researchers can develop strategies to manage biofilm formation, enhancing both ecological and industrial processes. In conclusion, the pellicle is a fascinating and multifaceted structure that plays a vital role in the life of many microorganisms. Its functions in protection, nutrient absorption, and mobility highlight the complexity of cellular structures and their adaptations to environmental challenges. As research continues to unveil the mysteries of the pellicle, we can expect to see further innovations in biotechnology and environmental management, ultimately benefiting both science and society as a whole.
在生物学领域,术语pellicle指的是某些微生物(如原生动物和细菌)表面上的薄层或膜。这种结构在保护这些生物体免受环境影响的同时,还协助其进行生存所需的各种功能。理解pellicle的重要性对于任何研究微生物学或细胞生物学的人来说都是至关重要的,因为它提供了对这些微小实体如何与周围环境互动的洞察。 Pellicle有多个目的,其中之一是维持细胞的形状和完整性。在许多单细胞生物中,pellicle充当支持性屏障,防止细胞在外部压力下崩溃。这一特征在生活在水生环境中的生物中尤为重要,因为水压的变化会影响细胞的稳定性。没有坚固的pellicle,这些微生物将在动荡的栖息地中难以生存。 Pellicle的另一个重要功能是营养吸收。Pellicle的薄性质使得必需营养物质能够有效地进入细胞,同时促进废物的排出。这种选择性通透性对于维持细胞内的稳态至关重要,确保细胞能够获取生存所需的资源。此外,pellicle还可以在运动中发挥作用。在某些生物体中,如眼虫,pellicle是柔韧的,使生物体能够根据环境刺激改变形状并移动。这种适应能力对于寻找食物和避免捕食者至关重要。 对pellicle的研究不仅限于其生物学意义;它在各个领域也具有实际应用。例如,在生物技术领域,研究人员正在探索如何利用pellicle的特性来开发药物递送系统。通过模仿天然pellicles的结构和功能,科学家们旨在创造更有效的方法,将药物直接递送到细胞,从而改善细胞水平疾病的治疗效果。 此外,理解pellicle还有助于推进环境科学的发展。例如,某些细菌利用其pellicles形成生物膜,这在不同的背景下可能是有益的也可能是有害的。生物膜可以帮助分解废水处理中的污染物,但也可能导致管道和其他基础设施的污垢问题。通过研究这些细菌中pellicle的特性,研究人员可以制定管理生物膜形成的策略,从而增强生态和工业过程。 总之,pellicle是一个迷人且多方面的结构,在许多微生物的生命中发挥着至关重要的作用。它在保护、营养吸收和运动中的功能突显了细胞结构的复杂性及其对环境挑战的适应。随着研究不断揭示pellicle的奥秘,我们可以期待在生物技术和环境管理方面进一步的创新,最终使科学和社会整体受益。
文章标题:pellicle的意思是什么
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