释义 |
luminous flux ˈlu:minəsflʌks 短语⁷³⁵⁹⁰ 基本英英例句例句 n.物光通量其单位为流明lumen
Noun: the rate of flow of light energy用作名词Device in which the phenomenon of reflection is used to alter the spatial distribution of theluminous fluxfrom a source.利用反射现象来改变光源光通量的空间分布的装置。 Another attribute is the flux or radiant power that can be delivered in that narrow frequency band.另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。 The environment temperature is measured, to using numbers of interference fringes by Michelson interferometer and by the change relation of luminous flux in central fringe with different temperatures. 用迈克耳逊干涉仪,通过干涉条纹的数目及中心圆斑内光通量随温度变化的关系,测量环境温度。 cnki The theoretical formulas of luminous flux and photon rate are derived. 文中导出了光通量与光子速率的理论计算公式; cnki By improving the optical encapsulation, the luminous flux of LED can be improved greatly. 经过光学封装技术的改善,可以大幅度地提高大功率 LED灯串的出光率光通量。 cnki High- purity imported aluminum reflector is used to effectively improve the reflectivity and ensure the output of luminous flux. 采用高纯度进口铝反射罩,有效提高了反射率,并确保了光通量的输出。 cnledw In this paper, we analyse some measurement errors in surface roughness measuring with optical fibre transducer and present a method to calculate the luminous flux output from the transducer. 本文从理论上对光纤传感器测量表面粗糙度时的多种测量误差进行了分析,建立了一种对输出光通量的计算分析方法。 cnki Spectral transmittance is that the radio of transmitted beam luminous flux and incident luminous flux, and it is an important index of the energy transmission of optical systems. 光谱透过率是指从光学系统出射的辐射光通量与投射到光学系统的辐射光通量之比,它是光学系统能量传输的重要指标。 fabiao The width, height, brightness of the screen and the luminous flux, focus of the cineprojector are important factors of cinema auditorium design. 银幕的宽度、挂高、亮度,以及放映机的光通量、焦距等都是电影观众厅设计的重要因素。 cnki This paper described the principle, apparatus and correction methods of a new method of realizing the total luminous flux scale by using integrating sphere. The results are also presented. 本文介绍一种用积分球实现总光通量标的新方法的原理、实验装置和修正方法,以及所得到的结果。 cnki This paper studies on the real-time measurement of chroma, luminous flux and optical medium based o. 然后,从色度学和光度学等科学的角度出发,推导了用于色度、光度以及光学介质特性测量的理论基础。 dictall Visual, electromagnetic spectrum, luminous flux, luminous intensity, illuminance, luminance. 视觉,电磁波谱,光通量流明,发光强度坎德拉,照度,亮度。 blog.sina.com.cn Luminous flux, color temperature and color rendering property are the three main index in light source. 光通量、色温和显色性是光源的三大重要指标。 cnki |