active material

简明释义

活性材料;放射性材料

英英释义

Active material refers to the substance in a system that is responsible for carrying out a specific function, often involved in chemical reactions or physical processes.

活性材料是指在一个系统中负责执行特定功能的物质,通常参与化学反应或物理过程。

例句

1.The battery's performance largely depends on the quality of the active material.

电池的性能在很大程度上取决于活性材料的质量。

2.The active material used in this chemical reaction is crucial for its success.

在这个化学反应中使用的活性材料对其成功至关重要。

3.The efficiency of the catalyst is determined by the composition of the active material.

催化剂的效率取决于活性材料的组成。

4.In this experiment, we will analyze the properties of the chosen active material.

在这个实验中,我们将分析所选择的活性材料的特性。

5.Researchers are developing new types of active material for more efficient solar panels.

研究人员正在开发新型的活性材料以提高太阳能电池板的效率。

作文

In the realm of science and technology, the term active material refers to substances that undergo significant changes during a chemical reaction or physical process, contributing to the overall performance of a system. Understanding the role of active material is crucial in various fields, including battery technology, catalysis, and materials science. For instance, in batteries, the active material is the component that participates in the electrochemical reactions, allowing the battery to store and release energy efficiently. The choice of active material directly affects the battery's capacity, voltage, and overall efficiency. Researchers are continuously exploring new types of active materials to improve battery performance, such as lithium iron phosphate or nickel manganese cobalt oxide, each offering unique advantages and challenges.In addition to energy storage, active materials play a pivotal role in catalysis, where they facilitate chemical reactions without being consumed in the process. Catalysts often contain active materials that enhance reaction rates, making industrial processes more efficient. For instance, in the production of ammonia through the Haber process, iron serves as an active material catalyst, significantly speeding up the reaction between nitrogen and hydrogen gases. The effectiveness of these active materials can be influenced by their surface area, structure, and composition, leading to ongoing research aimed at optimizing these factors for better catalytic performance.Moreover, in the field of materials science, active materials are essential for developing smart materials that respond to external stimuli. These materials can change their properties, such as shape or conductivity, when exposed to heat, light, or electric fields. For example, shape-memory alloys are considered active materials because they can return to a predetermined shape after deformation when heated. This property has numerous applications in medical devices, robotics, and aerospace engineering, illustrating the versatility and importance of active materials in modern technology.The significance of active materials extends beyond their functional roles; they also pose challenges in terms of sustainability and environmental impact. As industries strive to reduce their carbon footprint, the search for eco-friendly active materials becomes increasingly important. Researchers are investigating bio-based alternatives and recycling methods to minimize waste and promote a circular economy. By focusing on sustainable active materials, we can ensure that technological advancements do not come at the expense of our planet's health.In conclusion, the concept of active material is fundamental across various scientific disciplines, influencing everything from energy storage solutions to catalysis and smart materials. As we continue to innovate and develop new technologies, understanding and optimizing active materials will be key to achieving greater efficiency, sustainability, and functionality in our products and processes. The ongoing research in this area promises exciting advancements that could revolutionize how we harness and utilize materials in the future. By prioritizing the development of effective and sustainable active materials, we can pave the way for a more efficient and environmentally friendly technological landscape.

在科学和技术领域,短语active material指的是在化学反应或物理过程中发生显著变化的物质,这些变化对系统的整体性能产生贡献。理解active material的作用在电池技术、催化和材料科学等多个领域至关重要。例如,在电池中,active material是参与电化学反应的成分,使电池能够有效地存储和释放能量。active material的选择直接影响电池的容量、电压和整体效率。研究人员不断探索新型active materials以改善电池性能,例如磷酸铁锂或镍钴锰氧化物,每种材料都具有独特的优点和挑战。除了能量存储,active materials在催化中也发挥着关键作用,它们促进化学反应而不被消耗。在工业过程中,催化剂通常包含active materials,这些材料提高反应速率,使得工业过程更高效。例如,在通过哈伯法生产氨的过程中,铁作为active material催化剂,显著加快氮气和氢气之间的反应。这些active materials的有效性可能会受到其表面积、结构和成分的影响,因此持续的研究旨在优化这些因素以提高催化性能。此外,在材料科学领域,active materials对于开发响应外部刺激的智能材料至关重要。这些材料在暴露于热、光或电场时可以改变其性质,例如形状或导电性。例如,记忆合金被视为active materials,因为它们在变形后加热时可以恢复到预定形状。这一特性在医疗设备、机器人和航空航天工程中有着广泛的应用,展示了active materials在现代技术中的多样性和重要性。active materials的重要性不仅体现在其功能角色上;它们在可持续性和环境影响方面也带来了挑战。随着各行业努力减少碳足迹,寻找环保的active materials变得越来越重要。研究人员正在调查基于生物的替代品和回收方法,以最小化废物并促进循环经济。通过关注可持续的active materials,我们可以确保技术进步不会以牺牲地球健康为代价。总之,active material的概念在各个科学学科中都是基础,影响着从能源存储解决方案到催化和智能材料的一切。随着我们继续创新和开发新技术,理解和优化active materials将是实现更高效率、可持续性和功能性的关键。该领域的持续研究承诺带来激动人心的进展,这些进展可能会彻底改变我们如何利用和利用材料的方式。通过优先开发有效和可持续的active materials,我们可以为更加高效和环保的技术景观铺平道路。