aerogels

简明释义

英[ˈɛə.rəʊ.dʒɛlz]美[ˈɛr.oʊ.dʒɛlz]

n. [物化] 气凝胶

英英释义

单词用法

同义词

反义词

例句

1.The structures of carbon aerogels are controlled from micro pore to macro pore by changing the concentration of catalyst and solvent.

通过改变催化剂和溶剂的用量，可以实现碳气凝胶的颗粒直径及孔洞由纳米到微米级的连续调节。

2.And we study the effects of heat-treated process on the aerogels' density, specific area, microstructure, hydrophobic property and so on.

研究了热处理对气凝胶密度、比表面、微观结构和疏水性等的影响。

3.Sodium montmorillonite can be freeze-dried into a spongelike material known as an aerogel. Aerogels are famously fragile.

钠蒙脱石能被冷冻干燥成气凝胶——类似海绵状的物质。

4.Made from silica aerogels with a few other additives, this new material is now ready for commercialisation and is expected to hit the market early next year.

由二氧化硅气凝胶和一些其它添加剂制成的这种新材料，预计将于明年初投入市场。

5.The influence of reactants proportion on properties is studied, it is also found that the electric conductivity of the aerogels is good...

研究了不同反应物配比对凝胶性能的影响，并发现碳气凝胶具有良好导电性。

6.Presently, silica aerogels are the lightest solid material which have the best property in thermal insulation and have the higher porosity, the lower sound velocities in the world.

目前硅气凝胶是世界上最轻、隔热性最好、孔隙率较高且声传播速率较低的固体材料，由于其特殊的网络结构使其具有很多独特的性能。

7.Aerogels are used in window technology to improve the insulating performance.

气凝胶气凝胶用在窗户技术中来提高保温隔热性能。

8.Aerogels display a remarkable strain rate strengthening effect when they are impacted by projectile, which could improve the energy absorption capability of aerogels.

在子弹冲击过程中，气凝胶表现出明显的应变率强化效应，吸收子弹动能的能力显著提高；

9.The scientists developed new types of aerogels to improve insulation in buildings.

科学家们开发了新型的气凝胶以改善建筑物的绝缘性能。

10.Researchers are exploring the use of aerogels in space applications due to their lightweight properties.

研究人员正在探索在航天应用中使用气凝胶，因为它们的轻量特性。

11.The use of aerogels in clothing can provide excellent thermal protection without adding bulk.

在服装中使用气凝胶可以提供出色的热保护，而不会增加体积。

12.The thermal conductivity of aerogels is extremely low, making them ideal for thermal insulation.

由于气凝胶的热导率极低，它们非常适合用作热绝缘材料。

13.Engineers are using aerogels to create more efficient energy storage systems.

工程师们正在使用气凝胶来创建更高效的能量存储系统。

作文

In recent years, the world of materials science has witnessed remarkable advancements, one of which is the development of aerogels. These fascinating substances are often referred to as 'frozen smoke' due to their extremely low density and translucent appearance. aerogels (气凝胶) are created by removing the liquid from a gel, resulting in a solid with an air-filled structure that can be incredibly lightweight yet strong. Their unique properties make them suitable for a variety of applications, ranging from insulation to aerospace engineering.The most notable characteristic of aerogels is their incredible thermal insulation capabilities. They have been shown to outperform traditional insulating materials, making them ideal for use in buildings and spacecraft. For example, NASA has utilized aerogels to protect equipment and astronauts in extreme temperatures during space missions. The low thermal conductivity of aerogels allows them to maintain temperature differences effectively, which is crucial in environments where heat loss is a concern.Another significant application of aerogels is in the field of environmental cleanup. Their porous structure enables them to absorb a wide range of pollutants, including oil spills and chemical contaminants. Researchers have developed aerogels that can selectively capture certain substances, making them valuable tools for remediation efforts. This capability not only helps in cleaning up hazardous sites but also contributes to the protection of ecosystems.Moreover, aerogels are being explored for use in energy storage systems. Their high surface area and porosity allow for efficient ion transport, which is essential for batteries and supercapacitors. As the demand for renewable energy sources continues to grow, the role of aerogels in enhancing energy storage technologies becomes increasingly important. By improving the efficiency and capacity of these systems, aerogels could play a pivotal role in the transition to a more sustainable energy future.Despite their many advantages, the production of aerogels can be challenging and costly. Traditional methods involve complex processes that require specialized equipment and materials. However, researchers are continually working on developing more cost-effective and scalable production techniques. Innovations in this area could lead to wider adoption of aerogels across various industries, further unlocking their potential.In conclusion, aerogels (气凝胶) represent a groundbreaking advancement in material science with diverse applications. Their unique properties, such as exceptional thermal insulation, pollutant absorption, and potential in energy storage, position them as key players in addressing some of the world's most pressing challenges. As research progresses and production methods improve, we can expect to see aerogels becoming more prevalent in our everyday lives, contributing to advancements in technology, sustainability, and environmental protection.

近年来，材料科学领域见证了显著的进步，其中之一就是气凝胶的开发。这些迷人的物质常常被称为“冰冻烟雾”，因为它们具有极低的密度和半透明的外观。气凝胶是通过从凝胶中去除液体而创造的，结果是一种充满空气结构的固体，既轻巧又坚固。它们独特的属性使其适用于各种应用，从绝缘到航空航天工程。气凝胶最显著的特点是其令人难以置信的热绝缘能力。研究表明，它们的绝缘性能优于传统绝缘材料，使其成为建筑和航天器的理想选择。例如，NASA利用气凝胶来保护设备和宇航员在太空任务中的极端温度下生存。气凝胶的低热导率使其能够有效维持温差，这在热量损失是一个问题的环境中至关重要。气凝胶的另一个重要应用是在环境清理领域。它们的多孔结构使其能够吸收各种污染物，包括油污和化学污染物。研究人员开发出可以选择性捕获某些物质的气凝胶，使其成为修复工作的宝贵工具。这一能力不仅有助于清理危险场所，还促进了生态系统的保护。此外，气凝胶还被探索用于能源存储系统。它们的高表面积和多孔性允许有效的离子传输，这对电池和超级电容器至关重要。随着可再生能源需求的持续增长，气凝胶在提高能源存储技术效率和容量方面的作用变得越来越重要。通过提高这些系统的效率和容量，气凝胶可能在向更可持续的能源未来过渡中发挥关键作用。尽管有许多优点，但生产气凝胶可能具有挑战性且成本高昂。传统方法涉及复杂的过程，需要专门的设备和材料。然而，研究人员不断致力于开发更具成本效益和可扩展的生产技术。在这一领域的创新可能导致气凝胶在各个行业的更广泛应用，进一步释放其潜力。总之，气凝胶（气凝胶）代表了材料科学的突破性进展，具有多样的应用。其独特的属性，如卓越的热绝缘、污染物吸收和在能源存储中的潜力，使其成为解决一些全球最紧迫挑战的关键角色。随着研究的进展和生产方法的改善，我们可以期待气凝胶在我们日常生活中的普及，为技术、可持续性和环境保护的进步做出贡献。