microspheres

简明释义

英[ˈmaɪkrəʊsfɪəz]美[ˈmaɪkroʊsfɪrz]

n. 微球；[无脊椎]微球体（microsphere 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The amounts of stabilizer and monomer are the major factors that affected the size distribution of polystyrene microspheres.

分散稳定剂和单体用量是影响聚苯乙烯微球粒径分布的两个主要因素。

2.Magnetic macromolecular microspheres are a novel functional material that has been developed in the past twenty years.

磁性高分子微球是近二十年来研究的一类新型功能材料。

3.Accumulation of microspheres was found in liver.

该微球在肝脏有部分积聚。

4.AIM: To prepare flurbiprofen gelatin microspheres for intra articular administration.

目的：制备关节腔注射用氟比洛芬明胶微球。

5.Phenolic resin microspheres were prepared by emulsion method.

利用乳化法制备了酚醛树脂微球。

6.In practice, Dr Yin thinks liquid-crystal technology is so well developed that his microspheres will never catch up.

实际上，Yin博士认为液晶技术非常成熟，他的微滴望尘莫及。

7.The vitrified surface of glass microspheres can realize the chemical corrosion resistant, and reflex action on light.

玻璃微珠玻化质的表面更抗化学腐蚀，对光有反射作用。

8.This paper introduces the method and equipment for making glass microspheres used for nuclear waste disposal.

本文介绍核废料处理用玻璃微珠的生产制造方法和设备。

9.OBJECTIVE to study the preparation of sultamicillin tosilate gelatin microspheres granules and its quality control.

目的：研究托西酸舒他西林明胶微球颗粒的制备与质量控制。

10.Engineers are developing microspheres that can enhance the durability of materials.

工程师们正在开发可以增强材料耐久性的微球。

11.In the field of cosmetics, microspheres are often added to creams for a smoother application.

在化妆品领域，微球常被添加到乳霜中以实现更顺滑的涂抹效果。

12.The microspheres used in this experiment help to improve the accuracy of the results.

本实验中使用的微球有助于提高结果的准确性。

13.The drug was encapsulated in microspheres to control its release over time.

该药物被封装在微球中，以控制其随时间的释放。

14.Researchers are exploring the use of microspheres to deliver drugs directly to targeted cells.

研究人员正在探索使用微球直接将药物输送到目标细胞。

作文

In recent years, the field of materials science has seen significant advancements, particularly in the development and application of innovative substances. One such substance that has garnered considerable attention is microspheres, which are tiny spherical particles typically ranging from 1 to 1000 micrometers in diameter. These microspheres (微球) have a wide range of applications across various industries, including pharmaceuticals, biotechnology, and environmental science.The unique properties of microspheres make them highly versatile. For instance, they can be made from different materials such as polymers, ceramics, or glass, which allows for customization based on specific needs. In the pharmaceutical industry, microspheres are often used as drug delivery systems. By encapsulating drugs within these tiny spheres, it is possible to control the release rate of the medication, enhance its stability, and improve bioavailability. This targeted drug delivery minimizes side effects and maximizes therapeutic efficacy, making treatments more effective for patients.Moreover, microspheres serve as excellent carriers for vaccines and antigens. For example, researchers have developed vaccine formulations that use biodegradable microspheres to deliver antigens in a manner that stimulates a robust immune response. This innovative approach has the potential to improve vaccination strategies, especially in developing countries where access to healthcare can be limited.In addition to their medical applications, microspheres are also utilized in environmental science. They can be employed in water treatment processes to remove contaminants or pollutants. The high surface area-to-volume ratio of microspheres enhances their adsorption capabilities, allowing for efficient capture of harmful substances from water sources. This application is particularly crucial in addressing global water scarcity and pollution issues.Furthermore, the cosmetic industry has also recognized the benefits of microspheres. They are commonly used in skincare products as exfoliants or to improve texture. The smooth and uniform nature of these particles allows for gentle abrasion, providing a refreshing feel without causing irritation to the skin. This has led to the development of numerous beauty products that claim to enhance skin appearance through the use of microspheres (微球).The manufacturing process of microspheres can vary depending on the desired characteristics and applications. Techniques such as spray drying, emulsion polymerization, and solvent evaporation are commonly employed to produce these tiny particles. Each method offers distinct advantages, allowing for precise control over particle size, morphology, and composition.Despite their many advantages, the use of microspheres also raises concerns regarding environmental impact and sustainability. As with any synthetic material, there is potential for accumulation in ecosystems if not managed properly. Researchers are actively exploring biodegradable alternatives to traditional microspheres to mitigate these concerns. This shift towards sustainable practices is essential in ensuring that the benefits of microspheres do not come at the expense of environmental health.In conclusion, microspheres (微球) represent a fascinating area of study within materials science, with vast applications across multiple fields. Their ability to enhance drug delivery, improve environmental remediation, and contribute to cosmetic formulations showcases their versatility and potential. As research continues to advance, it is vital to balance innovation with sustainability to harness the full benefits of microspheres while protecting our planet.