low specific active material

简明释义

低比度放射性物质

英英释义

A low specific active material refers to a substance that has a relatively small amount of active components per unit mass or volume, which may result in lower reactivity or effectiveness in certain applications.

低比活性材料是指每单位质量或体积中活性成分相对较少的物质,这可能导致在某些应用中反应性或有效性较低。

例句

1.The battery design incorporates a low specific active material to reduce weight without sacrificing performance.

电池设计采用了低比活性材料以减轻重量而不牺牲性能。

2.Manufacturers often prefer low specific active material for lightweight components in aerospace engineering.

制造商通常更喜欢在航空工程中使用低比活性材料来制作轻量化部件。

3.Researchers are exploring the benefits of low specific active material in improving the energy density of fuel cells.

研究人员正在探索低比活性材料在提高燃料电池能量密度方面的好处。

4.The use of low specific active material in composites can enhance mechanical properties while minimizing weight.

在复合材料中使用低比活性材料可以增强机械性能,同时最小化重量。

5.Using low specific active material can help in achieving cost-effective production in various applications.

使用低比活性材料可以帮助在各种应用中实现成本效益的生产。

作文

In the realm of materials science and engineering, the term low specific active material refers to substances that possess a relatively low density of active sites or functional groups available for chemical reactions. This characteristic can significantly influence the performance of materials in various applications, including catalysis, energy storage, and environmental remediation. Understanding the implications of using low specific active material is crucial for researchers and engineers striving to optimize material efficiency and effectiveness.To begin with, the concept of low specific active material is particularly relevant in the context of catalysis. Catalysts are substances that accelerate chemical reactions without being consumed in the process. The efficiency of a catalyst is often determined by the number of active sites it presents. When a catalyst has a low specific active material, it means that fewer sites are available for the reactants to interact with, potentially leading to slower reaction rates and lower overall efficiency. Therefore, researchers are constantly seeking ways to enhance the active surface area of catalysts, ensuring that they do not fall into the category of low specific active material.Moreover, in the field of energy storage, the use of low specific active material can lead to suboptimal performance in batteries and supercapacitors. For instance, in lithium-ion batteries, the electrode materials need to have a high density of active sites to facilitate the movement of lithium ions during charging and discharging cycles. If the materials used are characterized as low specific active material, the battery may exhibit poor energy density and reduced cycle life. Consequently, researchers focus on developing new materials with higher specific capacities to overcome these limitations.Additionally, environmental applications also highlight the challenges associated with low specific active material. In processes such as adsorption or filtration, materials that are designed to remove pollutants from water or air must have a high density of active sites to effectively capture and neutralize contaminants. Materials with low specific active material may not be able to achieve the desired level of purification, which can hinder efforts to address environmental issues.Despite these challenges, there are instances where low specific active material might be advantageous. For example, in certain applications, materials with fewer active sites can lead to more stable and less reactive systems, which may be desirable for long-term storage or safety reasons. Thus, understanding the context and application is essential when evaluating the implications of low specific active material.In conclusion, the term low specific active material plays a significant role in various fields, particularly in catalysis, energy storage, and environmental remediation. While it often signifies limitations in material performance, it also opens avenues for innovation and research aimed at enhancing material properties. By recognizing the importance of active sites and their impact on material functionality, scientists and engineers can better design and optimize materials for a wide range of applications. Ultimately, the ongoing exploration of low specific active material will contribute to advancements in technology and sustainability, paving the way for more efficient and effective solutions to contemporary challenges.

在材料科学和工程领域,术语低比活性材料指的是具有相对较低的活性位点或可用于化学反应的功能团密度的物质。这一特性会显著影响材料在催化、能源存储和环境修复等各种应用中的性能。理解使用低比活性材料的含义对于研究人员和工程师优化材料效率和有效性至关重要。首先,低比活性材料的概念在催化领域尤为相关。催化剂是加速化学反应而不被消耗的物质。催化剂的效率通常由其呈现的活性位点数量决定。当催化剂具有低比活性材料时,这意味着可供反应物相互作用的位点较少,可能导致反应速率较慢和整体效率降低。因此,研究人员不断寻求增强催化剂的活性表面积,以确保它们不会落入低比活性材料的范畴。此外,在能源存储领域,使用低比活性材料可能导致电池和超级电容器的性能不理想。例如,在锂离子电池中,电极材料需要具有高密度的活性位点,以促进锂离子在充放电循环过程中的移动。如果所用材料被表征为低比活性材料,则电池可能表现出较差的能量密度和缩短的循环寿命。因此,研究人员专注于开发具有更高比容量的新材料,以克服这些限制。此外,环境应用也突显了与低比活性材料相关的挑战。在吸附或过滤等过程中的材料,旨在去除水或空气中的污染物,必须具有高密度的活性位点,以有效捕获和中和污染物。具有低比活性材料的材料可能无法达到所需的净化水平,这可能阻碍解决环境问题的努力。尽管面临这些挑战,但在某些情况下,低比活性材料可能是有利的。例如,在某些应用中,活性位点较少的材料可以导致更稳定且反应性较低的系统,这在长期存储或安全方面可能是理想的。因此,在评估低比活性材料的含义时,理解上下文和应用至关重要。总之,术语低比活性材料在催化、能源存储和环境修复等多个领域发挥着重要作用。虽然它通常标志着材料性能的局限性,但它也为创新和研究开辟了新的途径,旨在增强材料特性。通过认识到活性位点的重要性及其对材料功能的影响,科学家和工程师可以更好地设计和优化各种应用的材料。最终,对低比活性材料的持续探索将有助于技术和可持续性的进步,为当代挑战提供更高效、更有效的解决方案。