non radiative
简明释义
非辐射的
英英释义
Non-radiative refers to processes or mechanisms that do not involve the emission of electromagnetic radiation, such as light or heat, during energy transfer. | 非辐射性指的是在能量转移过程中不涉及电磁辐射(如光或热)发射的过程或机制。 |
例句
1.The energy transfer in this process is primarily non radiative (非辐射的), which means that it does not involve the emission of photons.
这个过程中的能量转移主要是非辐射的(非辐射的),这意味着它不涉及光子的发射。
2.In many biological systems, heat is dissipated through non radiative (非辐射的) pathways rather than light.
在许多生物系统中,热量通过非辐射的(非辐射的)途径而不是光来散失。
3.The non radiative (非辐射的) decay of excited states can be crucial for understanding photophysical processes.
激发态的非辐射的(非辐射的)衰减对于理解光物理过程至关重要。
4.The study focuses on non radiative (非辐射的) mechanisms of energy loss in semiconductor devices.
该研究集中在半导体设备中的非辐射的(非辐射的)能量损失机制上。
5.Solar cells often rely on non radiative (非辐射的) recombination to improve their efficiency.
太阳能电池通常依赖于非辐射的(非辐射的)复合来提高其效率。
作文
In the field of physics, particularly in the study of energy transfer and light emission, the term non radiative plays a crucial role. Understanding what non radiative processes are can enhance our comprehension of various phenomena, especially in fields like photonics, materials science, and even biological systems. Non radiative refers to energy transfer mechanisms that do not involve the emission of photons. This means that instead of energy being released in the form of light, it is dissipated through other means, such as heat. To illustrate this concept, consider the example of a fluorescent light bulb. When electricity passes through the gas inside the bulb, it excites the gas molecules, causing them to emit light. However, not all the energy is converted into light; some of it is lost as heat through non radiative processes. This is an important consideration because it affects the efficiency of lighting technologies. The more energy that is lost as heat, the less efficient the light source becomes.In addition to lighting, non radiative processes are significant in the context of solar energy conversion. Photovoltaic cells aim to convert sunlight into electricity, but not all absorbed energy is transformed into electrical energy. Some of it may be lost through non radiative pathways, such as phonon interactions, where the energy is transferred to the lattice structure of the material rather than being converted to electricity. Researchers are continuously seeking ways to minimize these non radiative losses to improve the overall efficiency of solar panels.Moreover, in biological systems, non radiative processes are essential for understanding how organisms utilize light. For instance, in photosynthesis, plants absorb sunlight to drive chemical reactions. While some of this energy is used to create glucose, a portion is inevitably lost through non radiative mechanisms, such as heat dissipation. By studying these processes, scientists can gain insights into how plants optimize their energy usage and adapt to varying light conditions.The implications of non radiative processes extend beyond just efficiency; they also influence the design of new materials and technologies. For example, researchers are exploring materials that can minimize non radiative losses to create more effective light-emitting diodes (LEDs) and lasers. By engineering materials at the nanoscale, it is possible to enhance light emission while reducing energy loss through non radiative pathways.In conclusion, the concept of non radiative processes is fundamental in various scientific disciplines. It encompasses energy transfer mechanisms that do not result in photon emission, leading to energy loss in forms such as heat. Understanding and mitigating these processes is vital for improving the efficiency of technologies ranging from lighting to solar energy systems and even in biological contexts. As research progresses, the knowledge of non radiative mechanisms will continue to shape innovations and advancements across multiple fields, making it a topic worthy of further exploration and study.
在物理学领域,特别是在能量转移和光发射的研究中,术语非辐射起着至关重要的作用。理解非辐射过程可以增强我们对各种现象的理解,尤其是在光子学、材料科学甚至生物系统等领域。非辐射指的是不涉及光子发射的能量转移机制。这意味着,能量不是以光的形式释放,而是通过其他方式,如热量,耗散掉。为了说明这一概念,可以考虑荧光灯泡的例子。当电流通过灯泡内的气体时,它激发气体分子,使其发出光。然而,并非所有的能量都转化为光;其中一部分通过非辐射过程以热量的形式损失掉。这是一个重要的考虑因素,因为它影响了照明技术的效率。能量越多以热量的形式损失,光源的效率就越低。除了照明之外,非辐射过程在太阳能转换的背景下也具有重要意义。光伏电池旨在将阳光转化为电能,但并非所有吸收的能量都转化为电能。部分能量可能通过非辐射途径损失,例如声子相互作用,其中能量被转移到材料的晶格结构而非转化为电能。研究人员不断寻求减少这些非辐射损失的方法,以提高太阳能电池的整体效率。此外,在生物系统中,非辐射过程对于理解生物体如何利用光至关重要。例如,在光合作用中,植物吸收阳光以驱动化学反应。虽然这些能量的一部分用于产生葡萄糖,但部分能量不可避免地通过非辐射机制损失,例如热量耗散。通过研究这些过程,科学家可以深入了解植物如何优化其能量使用并适应不同的光照条件。非辐射过程的影响不仅限于效率;它们还影响新材料和技术的设计。例如,研究人员正在探索能够最小化非辐射损失的材料,以创造更有效的发光二极管(LED)和激光器。通过在纳米尺度上对材料进行工程设计,可以增强光的发射,同时减少通过非辐射途径的能量损失。总之,非辐射过程的概念在多个科学学科中是基础性的。它涵盖了不导致光子发射的能量转移机制,导致以热量等形式的能量损失。理解和减轻这些过程对于提高从照明到太阳能系统,甚至在生物背景下的技术效率至关重要。随着研究的进展,对非辐射机制的认识将继续塑造各个领域的创新和进步,使其成为值得进一步探索和研究的主题。
相关单词