refractivity

简明释义

英[rɪfrækˈtɪvɪti]美[rɪfrækˈtɪvɪti]

n. [光] 折射率；折射性；[物] 折射本领

英英释义

单词用法

同义词

反义词

例句

1.Then the refractivity profiles of MBRO obtained during this experiment are compared with those of radiosonde.

海洋不能象我们在陆地那样通过无线电探空仪获得准确的气象资料。

2.The refractivity indicatrix is a new optical indicatrix of crystal.

折射度指示体是晶体的一个新的光性指示体。

3.The total refractivity content along the ray path is an important propagation parameter in space times.

在空间时代，沿射线路径的总折射率是研究电波传播的重要参数。

4.The results of study also shown that the biger difference of refractivity between two kinds of materials, the wider of the bandgap for two electromagnetic modes, and easier to produce full bandgap.

另外，研究结果表明组成光子晶体的两种材料的折射率差别越大，两种电磁模的禁带越宽，越容易产生完全光子禁带。

5.Naphthenes in Saturates Fractions by Refractivity Intercept, Method of Test for 05.

用折射截取法测定饱和馏分中的矿物油的试验方法05。

6.Based on turbulent kinetic energy and the rate of turbulent dissipation transport equations, the equation to calculate variance of the refractivity fluctuation is modeled.

根据湍流的动能和动能耗散率输运方程，建立了折射率起伏方差的计算模型。

7.These devices can not only accomplish polarized light interference experiment, but also measure the refractivity or refractive index profile of crystal.

经过分析，该装置不仅能完成偏振光的干涉实验，而且可以测定晶体的折射率或折射率分布情况。

8.It is specially pointed out that the precipitated silica with low abradability and low refractivity is suitable for making the children-use and transparent toothpaste.

特别指出了低磨蚀、低折光率的二氧化硅用于儿童牙膏和透明牙膏。

9.Nonlinear refractivity and two-photon absorption of GaP are obtained by numerical fitting the experimental results.

通过数值拟合获得了磷化镓在飞秒激光脉冲作用下的非线性折射率和双光子吸收系数。

10.The scientist measured the refractivity of the glass to determine its optical properties.

科学家测量了玻璃的折射率以确定其光学特性。

11.Changes in air refractivity can affect radio wave propagation.

空气中折射率的变化会影响无线电波的传播。

12.Understanding the refractivity of different materials is crucial in lens design.

理解不同材料的折射率在镜头设计中至关重要。

13.The refractivity of water varies with temperature, impacting aquatic life.

水的折射率随温度变化，这会影响水生生物。

14.Meteorologists use refractivity profiles to predict weather patterns.

气象学家使用折射率剖面来预测天气模式。

作文

In the field of physics, the concept of refractivity plays a crucial role in understanding how light behaves as it passes through different mediums. Refractivity refers to the ability of a substance to bend light rays when they enter or exit that medium. This bending occurs due to a change in the speed of light as it travels from one material to another, which is governed by the refractive index of the materials involved. For instance, when light moves from air into water, it slows down and bends towards the normal line, resulting in a phenomenon we observe as refraction. The importance of refractivity can be seen in various applications, ranging from optical lenses to the design of fiber optic cables. In optics, lenses are crafted with specific shapes and materials to manipulate light in desired ways, allowing us to magnify images or correct vision. The understanding of refractivity enables scientists and engineers to calculate the proper curvature and thickness of lenses to achieve the desired focal lengths. Moreover, refractivity is not limited to just visible light; it also applies to other parts of the electromagnetic spectrum, including infrared and ultraviolet light. This broad applicability makes it essential for technologies such as cameras, microscopes, and telescopes. Each of these devices relies on the principles of refractivity to function effectively, providing us with enhanced visual capabilities. In addition to its practical applications, refractivity also has implications in meteorology and telecommunications. The atmosphere's varying refractivity can affect radio waves, leading to phenomena such as signal distortion or loss of connectivity. Understanding atmospheric refractivity helps engineers design better communication systems that can adapt to these changes. Similarly, meteorologists study refractivity to predict weather patterns, as variations in the atmosphere can indicate shifts in temperature and humidity. Furthermore, the study of refractivity extends into the realm of research and innovation. Scientists continuously explore new materials with unique refractivity properties that could lead to advancements in technology. For example, metamaterials—engineered materials designed to have properties not found in nature—can manipulate light in unprecedented ways, potentially leading to breakthroughs in cloaking devices or superlenses that surpass the diffraction limit of conventional optics. In conclusion, refractivity is a fundamental concept that permeates various scientific disciplines and practical applications. Its significance stretches from everyday tools like glasses and cameras to advanced technologies in telecommunications and research. As we continue to explore the nature of light and its interactions with different materials, our understanding of refractivity will undoubtedly evolve, paving the way for future innovations and discoveries in both science and engineering.

在物理学领域，refractivity的概念在理解光在不同介质中传播时的行为中起着至关重要的作用。refractivity指的是一种物质在光线进入或退出该介质时弯曲光线的能力。这种弯曲是由于光在从一种材料移动到另一种材料时速度的变化而发生的，这由所涉及材料的折射率决定。例如，当光从空气进入水中时，它减速并向法线弯曲，导致我们观察到的折射现象。 refractivity的重要性可以在各种应用中看到，从光学镜头到光纤电缆的设计。在光学中，镜头是根据特定的形状和材料制作的，以操控光线以达到期望的方式，使我们能够放大图像或矫正视力。对refractivity的理解使科学家和工程师能够计算出镜头的适当曲率和厚度，以实现所需的焦距。 此外，refractivity不仅限于可见光；它也适用于电磁谱的其他部分，包括红外和紫外光。这种广泛的适用性使其对相机、显微镜和望远镜等技术至关重要。这些设备中的每一个都依赖于refractivity的原理来有效运作，为我们提供增强的视觉能力。 除了实际应用，refractivity在气象学和电信中也有影响。大气的变化refractivity可能会影响无线电波，导致信号失真或连接丢失。理解大气refractivity帮助工程师设计更好的通信系统，能够适应这些变化。同样，气象学家研究refractivity以预测天气模式，因为大气中的变化可以表明温度和湿度的变化。 此外，对refractivity的研究扩展到研究和创新的领域。科学家们不断探索具有独特refractivity特性的材料，这可能导致技术的进步。例如，超材料——设计成具有自然界中不存在的特性的工程材料——可以以前所未有的方式操控光，可能导致隐形装置或超透镜等突破，这些透镜超越了传统光学的衍射极限。 总之，refractivity是一个基本概念，渗透到各种科学学科和实际应用中。它的重要性从日常工具如眼镜和相机延伸到电信和研究中的先进技术。随着我们继续探索光的性质及其与不同材料的相互作用，我们对refractivity的理解无疑将不断发展，为科学和工程领域的未来创新和发现铺平道路。