absorptivity

简明释义

英[ˌæbsɔːpˈtɪvɪti]美[ˌæbsɔrpˈtɪvɪti]

n. 吸收率；吸收能力；吸收性

英英释义

单词用法

同义词

反义词

例句

1.The energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.

采用石墨涂层，对高速钢刀片进行了激光热处理，显著地提高了刀片表面的能量吸收率和硬度。

2.Fourth, the absorptivity to leading technology and the environment of policies and laws have influences on the speed of technology-pursuing.

对先进技术的吸收能力和政策法律环境对技术追赶速度有影响。

3.The absorptivity is 86%~89%. The proper process and the suitable recipe were determined by vertical cross experiment and simplex method.

并用正交试验法与单纯形优化法相结合，确定了制备F-吸附剂的配方及合适的工艺。

4.Work out their content by unit absorptivity.

再利用单位吸光系数换算其含量。

5.However, solid bead works better in aspects of surface strength, ink absorptivity and color deviation.

实心球塑料颜料在纸张表面强度、油墨吸收性、色偏方面要好于空心球塑料颜料。

6.Under the room temperature, PTMEG has the water absorptivity.

在室温下，PTMEG都具有吸水性。

7.The experimental results proved that an 'absorptivity could effectively reduce with compound surface active agents and additions.

结果证明了复合表面活性剂和添加剂能有效降低硝酸铵的吸湿性。

8.In solar panel design, high absorptivity is crucial for efficiency.

在太阳能电池板设计中，高吸收率对效率至关重要。

9.The absorptivity of a surface can be measured using specialized instruments.

表面的吸收率可以使用专门的仪器进行测量。

10.Different colors have varying absorptivity for thermal radiation.

不同颜色对热辐射的吸收率各不相同。

11.Materials with low absorptivity are often used in reflective coatings.

低吸收率的材料通常用于反射涂层。

12.The absorptivity of the material determines how much light it can absorb.

材料的吸收率决定了它能吸收多少光。

作文

The concept of absorptivity plays a crucial role in various fields, particularly in physics and engineering. In essence, absorptivity refers to the ability of a material to absorb radiation or energy. This property is significant because it affects how materials interact with light and heat. For instance, when sunlight hits a surface, the amount of energy absorbed depends on the absorptivity of that surface. A high absorptivity means that the material will absorb most of the incoming radiation, while a low absorptivity indicates that the material reflects more energy than it absorbs.In practical applications, understanding absorptivity is essential for designing energy-efficient buildings. Architects and engineers often choose materials based on their absorptivity to optimize thermal performance. For example, darker-colored surfaces typically have higher absorptivity, making them ideal for passive solar heating. Conversely, lighter-colored materials with lower absorptivity can help keep buildings cooler in hot climates by reflecting sunlight.Moreover, the absorptivity of a material can vary with wavelength. This means that a material may absorb certain wavelengths of light more effectively than others. For example, plants have evolved to have high absorptivity in the visible spectrum, allowing them to capture sunlight for photosynthesis efficiently. This characteristic is vital for their survival and growth, demonstrating how absorptivity can influence biological processes as well.In the field of renewable energy, particularly solar energy, absorptivity is a key factor in the efficiency of solar panels. The materials used in solar cells are selected for their high absorptivity to maximize energy capture from sunlight. Researchers continuously seek new materials with improved absorptivity to enhance the performance of solar technologies, making them more viable alternatives to fossil fuels.Furthermore, absorptivity is not limited to thermal and optical applications; it also has implications in environmental science. For instance, the absorptivity of ocean waters affects climate patterns and energy transfer within the Earth’s system. Darker ocean regions absorb more heat, influencing weather systems and marine ecosystems. Understanding these interactions is vital for predicting climate change impacts and developing strategies for mitigation.In summary, absorptivity is a fundamental property that influences a wide range of scientific and practical applications. From architecture to renewable energy and environmental science, the ability of materials to absorb energy significantly impacts performance and efficiency. As we continue to explore and innovate in these fields, a deeper understanding of absorptivity will undoubtedly lead to advancements that benefit society and the environment. Whether in the design of energy-efficient buildings or the development of sustainable technologies, recognizing the importance of absorptivity will help us create a more sustainable future.

“吸收率”这一概念在多个领域中发挥着至关重要的作用，特别是在物理学和工程学中。本质上，“吸收率”指的是材料吸收辐射或能量的能力。这个特性非常重要，因为它影响材料与光和热的相互作用。例如，当阳光照射到一个表面时，吸收到的能量量取决于该表面的“吸收率”。高“吸收率”意味着材料将吸收大部分入射辐射，而低“吸收率”则表示材料反射的能量比吸收的多。在实际应用中，理解“吸收率”对于设计节能建筑至关重要。建筑师和工程师通常根据材料的“吸收率”选择材料，以优化热性能。例如，深色表面通常具有较高的“吸收率”，使其成为被动太阳能加热的理想选择。相反，浅色材料具有较低的“吸收率”，可以通过反射阳光来帮助建筑在炎热气候中保持凉爽。此外，材料的“吸收率”可能随波长而变化。这意味着一种材料可能在某些波长的光线下吸收得更有效。例如，植物进化出在可见光谱中具有高“吸收率”，使它们能够有效捕获阳光进行光合作用。这一特性对它们的生存和生长至关重要，展示了“吸收率”如何影响生物过程。在可再生能源领域，特别是太阳能中，“吸收率”是太阳能电池效率的关键因素。用于太阳能电池的材料因其高“吸收率”而被选中，以最大限度地捕获阳光的能量。研究人员不断寻求具有改进“吸收率”的新材料，以增强太阳能技术的性能，使其成为化石燃料更具可行性的替代品。此外，“吸收率”不仅限于热和光学应用；它在环境科学中也具有重要意义。例如，海洋水体的“吸收率”影响气候模式和地球系统内的能量转移。较暗的海洋区域吸收更多的热量，从而影响天气系统和海洋生态系统。理解这些相互作用对于预测气候变化影响和制定减缓策略至关重要。总之，“吸收率”是一种影响广泛科学和实际应用的基本属性。从建筑设计到可再生能源和环境科学，材料吸收能量的能力显著影响性能和效率。随着我们继续探索和创新这些领域，对“吸收率”的更深入理解无疑将带来有利于社会和环境的进步。无论是在节能建筑的设计还是在可持续技术的发展中，认识到“吸收率”的重要性将帮助我们创造一个更可持续的未来。