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- The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength. 發(fā)光效率一定波長(cháng)的光量對同樣波長(cháng)的輻射光量的比例
- Ratio of the absorbed radiant or luminous flux to the incident flux. 吸收的輻射通量或光通量與入射通量之比。
- Ratio of the transmitted radiant or luminous flux to the incident flux. 透過(guò)的輻射通量或光通量與入射通量之比。
- Ratio of the utilized flux to the luminous flux leaving the luminaires. 被利用的光通與離開(kāi)燈具的光通量之比。
- They create a uniform value of luminous flux due to the high frequency used. 由于使用高頻,電子鎮流器產(chǎn)生均勻的光通值。
- Of a source. Quotient of the luminous flux emitted and the power consumed. 某一光源發(fā)出的光通量與其消耗功率的比值。
- The luminous flux per unit area at any point on a surface exposed to incident light. 照度受光照射的表面上任一點(diǎn)單位面積上的通光量
- The lighting effect rate are higher,Ra are very well,similar The Sunshine and long life ,High Luminous Flux. 特點(diǎn):發(fā)光效率高;顯色性好;近似于日光;壽命長(cháng);光通量高.
- That part of a luminaire designed to reflect the luminous flux of the lamps in required directions by means of specular reflection. 燈具中被設計成利用鏡面反射來(lái)在所需的方向上反射光源光通量的那部分。
- Of a source. The luminous flux emitted above [below] a horizontal plane passing through the source. 對光源而言。高于[低于]通過(guò)光源的水平面而發(fā)射的光通量。
- A device in the electrical circuit for varying the luminous flux from lamps in a lighting installation. 安置在電路中以改變照明系統中光源光通量輸出的裝置。
- The lighting effect rate are higher, Ra are very well, similar The Sunshine and long life, High Luminous Flux. 特點(diǎn):發(fā)光效率高,顯色性好,近似于日光,壽命長(cháng),光通量高。
- Illuminance, E, is the density of luminous flux incident on a given point of a surface or a plane. 平面上某一點(diǎn)的照度E等于入射到包含這一點(diǎn)的元表積上的光通量除以元表面的面積。
- On a surface. The luminous flux received by the surface from a lighting installation after reflection from other surfaces. 經(jīng)照明系統中的各反射面反射后到達被照表面的光通量。
- Device in which the phenomenon of reflection is used to alter the spatial distribution of the luminous flux from a source. 利用反射現象來(lái)改變光源光通量的空間分布的裝置。
- At a point on a surface. Quotient of the luminous flux incident on an element of the surface containing the point, and the area of that element. 照射到表面一點(diǎn)處的面元上的光通量除以該面元的面積。
- The luminous flux determination method for assessing Eustachian tube function is sensitive rapid, and objective, so it is a hopeful appraisal measure. 耳咽管功能的光通量測定方法靈敏、迅速和客觀(guān),是一種很有希望的判定手段。
- The uncertainty evaluation and data processing methods for the CCPR key comparisons of luminous intensity and luminous flux unit are introduced. 介紹了光度與輻射度咨詢(xún)委員會(huì )發(fā)光強度和總光通量國際比對中的不確定度評定和數據處理的方法。
- Characterzation:high quality quartz bulb,biplanar filament which enables increased illumination,uniform color temperature and luminous flux. 特色:優(yōu)質(zhì)的石英泡殼,卓越的雙排絲結構,獨特的防爆裝置,亮度更高,使用更安全。
- The luminous flux is high, less power consumption, long life, lighting is golden white, Through the fog is better, no need the illuminations, it can be direct lighting. 特點(diǎn):發(fā)光效率高、耗電少、壽命長(cháng)、光線(xiàn)呈金白色、透霧能力強,不需要配套投光燈具,可直接投光。