transmittance

简明释义

[trænzˈmɪtəns][trænsˈmɪtəns]

n. [光] 透射比;透明度

英英释义

Transmittance is the fraction of incident light or other radiation that passes through a material.

透过率是指通过材料的入射光或其他辐射的分数。

单词用法

light transmittance

透光率;透光系数

同义词

transmission

传输

The transmission of light through the glass was measured.

通过玻璃的光传输被测量。

pass-through

透过

The pass-through rate of the filter is essential for its effectiveness.

过滤器的透过率对其有效性至关重要。

light transmission

光传输

Optical transmittance is a key parameter in lens design.

光学透过率是镜头设计中的关键参数。

optical transmittance

光学透过率

Measuring light transmission helps in assessing material quality.

测量光传输有助于评估材料质量。

反义词

reflectance

反射率

The reflectance of the surface determines how much light is bounced back.

表面的反射率决定了有多少光被反弹回去。

absorbance

吸收度

High absorbance indicates that a material is good at taking in light.

高吸收度表明材料在吸收光方面表现良好。

例句

1.A method for the measuring atmospheric transmittance using FTIR spectrometer was proposed.

提出了一种利用FTIR光谱仪进行大气透过率测量的方法。

2.The transmittance is central to the theory of radioactive cooling.

透过率是辐射冷却理论的中心。

3.It is also studied the reflectance and transmittance in TIR.

还研究了全反射时的反射和透射系数。

4.Exponential attenuation of UV atmospheric transmittance for the horizontal paths decides that the UV communication system works locally and safely.

水平方向上大气紫外透射比的指数衰减规律决定了系统工作的局域性和保密性。

5.The transmittance and reflectivity in the visible region of these films lowed with the increasing of the substrate temperature.

在可见光区域薄膜透射率和反射率随着基板温度的提高均有所下降。

6.The transmittance of clarified mulberry fruit juice treated was over 95%and the soluble solid content did not mainly change.

用此工艺条件澄清的桑椹果汁透光率在95%以上,可溶性固形物含量基本不变。

7.Compositions, transmittance and other properties of the glasses are reported.

介绍了它们的配方、透过率和其他性能。

8.The transmittance of the glass coated TiO2 was high and its transmissivity compared with common glass in visible spectra was over 72%.

该镀膜玻璃的透光性较好,在可见光范围内它相对于普通玻璃来说透光率在72%以上。

9.The laboratory measured the transmittance 透射率 of different materials to determine their suitability for solar panels.

实验室测量了不同材料的透射率以确定它们在太阳能电池板中的适用性。

10.The glass used in the windows has a high transmittance 透射率, allowing natural light to fill the room.

窗户使用的玻璃具有高透射率,使自然光能够充满房间。

11.The transmittance 透射率 of the film affects the image quality in photography.

胶卷的透射率影响摄影中的图像质量。

12.In optical fibers, the transmittance 透射率 is crucial for effective communication over long distances.

在光纤中,透射率对于长距离有效通信至关重要。

13.A higher transmittance 透射率 means that more light can pass through the material.

更高的透射率意味着更多的光可以透过材料。

作文

Understanding the concept of transmittance is crucial in various scientific fields, especially in optics and materials science. Transmittance, defined as the fraction of incident light that passes through a material, plays a significant role in determining how materials interact with light. In everyday life, we encounter transmittance in numerous applications, such as in the design of windows, lenses, and even in photography. When light encounters a material, it can be reflected, absorbed, or transmitted. The transmittance of a material is typically expressed as a ratio of the intensity of transmitted light to the intensity of incident light. This property is essential for understanding how different materials can be used in various applications. For instance, in the field of solar energy, materials with high transmittance are preferred for solar panels, as they allow maximum sunlight to pass through and be converted into energy. In optics, transmittance is a key factor in lens design. Lenses with high transmittance are necessary for applications such as cameras and microscopes, where clarity and brightness are paramount. Understanding how transmittance varies with wavelength is also critical, as different wavelengths of light may be absorbed or transmitted differently depending on the material. Moreover, in the context of environmental science, transmittance is important for studying water quality. The ability of light to penetrate water bodies is influenced by factors such as dissolved organic matter and sediments. Measuring the transmittance of water can provide insights into its clarity and overall health, which is vital for aquatic ecosystems. The mathematical representation of transmittance is often given by the Beer-Lambert law, which relates the absorption of light to the properties of the material through which the light is traveling. According to this law, the transmittance decreases exponentially with increasing thickness of the absorbing medium. This relationship is fundamental in fields such as chemistry and physics, where understanding light interaction with matter is essential. In conclusion, the concept of transmittance is not only a fundamental principle in optics but also has practical implications across various disciplines. From enhancing the efficiency of solar panels to improving the clarity of lenses and assessing water quality, transmittance is a vital parameter that influences how we perceive and interact with the world around us. By grasping the significance of transmittance, we can better appreciate its applications and impact on technology and the environment.

理解透射率的概念在各个科学领域中至关重要,尤其是在光学和材料科学中。透射率被定义为通过材料的入射光的分数,它在确定材料如何与光相互作用方面发挥着重要作用。在日常生活中,我们在许多应用中遇到透射率,例如在窗户、镜头,甚至在摄影设计中。当光遇到材料时,它可以被反射、吸收或透过。材料的透射率通常表示为透过光的强度与入射光的强度之比。这一特性对于理解不同材料在各种应用中的使用至关重要。例如,在太阳能领域,优选高透射率的材料用于太阳能电池板,因为它们允许最大阳光通过并转化为能量。在光学中,透射率是镜头设计的关键因素。高透射率的镜头在相机和显微镜等应用中是必需的,因为清晰度和亮度至关重要。理解透射率如何随波长变化也很重要,因为不同波长的光可能会因材料而异地被吸收或透过。此外,在环境科学的背景下,透射率对于研究水质非常重要。光穿透水体的能力受到溶解有机物和沉积物等因素的影响。测量水的透射率可以提供关于其清澈度和整体健康状况的见解,这对水生生态系统至关重要。透射率的数学表示通常由比尔-朗伯定律给出,该定律将光的吸收与光经过的材料的性质联系起来。根据该定律,随着吸收介质厚度的增加,透射率呈指数下降。这一关系在化学和物理等领域中是基础性的,理解光与物质的相互作用是必不可少的。总之,透射率的概念不仅是光学中的基本原理,而且在各个学科中具有实际意义。从提高太阳能电池板的效率到改善镜头的清晰度以及评估水质,透射率是一个影响我们如何感知和与周围世界互动的重要参数。通过掌握透射率的重要性,我们可以更好地欣赏其在技术和环境中的应用及影响。