研究了光通量和昼夜温差对自养培养马铃薯试管苗生长的影响。
The effect of PPF and DIF on plantlet growth of potato in vitro under photoautotrophic condition was investigated.
这些孢囊梗的形成在不同的光通量下起作用,因此在特定的感光体下起作用。
The formation of these sporangiophores work at different light fluences and therefore with specific photoreceptors.
减小光源尺寸会降低系统的光通量。
The radiance will reduce if the size of extended light source is shortened.
光通量减弱使乙醛和甲苯的降解率均下降。
Decreasing light intensity, the degradation of acetaldehyde and toluene both decreased.
请以光通量为亮度标准,发光强度仅供参考。
Please take Luminous Flux as standard parameter, Luminous Intensity is only for reference.
光通量、色温和显色性是光源的三大重要指标。
Luminous flux, color temperature and color rendering property are the three main index in light source.
不同光源发出的光通量在空间的分布是不同的。
Different source of flux in the space out the distributions differ.
本发明采用反光杯作为LED光通量收集装置。
The present invention adopts a reflective cup as an LED light flux collecting device.
紧凑而光通量高。
本论文研究超高压汞灯——UHP灯的光通量测量方法。
The measurement of the luminous flux of UHP (Ultra High Power) light source is described in this paper.
效应的校正有助于降低用积分球测量光通量的不确定度。
It is helpful to reducing the uncertainty of measuring LEDs luminous flux with integrating spheres.
透过率是指光学系统的出射光通量与入射光通量的比值。
The transmission of the optical system is the ratio of the outgoing light flux and the incident light flux.
该混光光源可以提高LED光源的DLP微型投影机的光通量。
The light flux of the DLP micro-projector used for the LED mixed light is increased.
本发明属于光源测量技术领域,具体为一种LED光通量测量方法。
The present invention belongs to the optical source measuring technical field, in particular to an LED light flux measuring method.
一种PWM驱动方式下LED瞬时光通量的测试系统,属测量领域。
Disclosed is a measurement system of LED instant luminous flux driven by PWM, which belongs to the field of measurement.
光通量是否合格将直接关系到节能灯的能效等级能否达到标准的要求。
Luminous flux eligibility will be directly related to energy-saving lamps energy efficiency grade can meet the requirements of standard.
借助于纤端出射光场的光通量分布函数,分析了该传感器的补偿机理。
The output optical field distribution function of the fiber end is ussd to analyze the compensation mechanism of this sensor.
这种方法可以显著提高现有系统的定位精度,获得理论最大的光通量。
By applying the presented approach, the positioning accuracy of the existing system can be significantly improved to obtain the theoretical maximum 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。
High-purity imported aluminum reflector is used to effectively improve the reflectivity and ensure the output of luminous flux.
光度计是专门用于测量发射,反射或透射光的光通量,亮度,照度或发光强度等。
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
结论耳咽管功能的光通量测定方法灵敏、迅速和客观,是一种很有希望的判定手段。
Conclusion The luminous flux determination method for assessing Eustachian tube function is sensitive rapid, and objective, so it is a hopeful appraisal measure.
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)。
By improving the optical encapsulation, the luminous flux of LED can be improved greatly.
研究了在蓝光芯片加黄色荧光粉制备白光LED方法中,色坐标位置对光通量的影响。
The luminous intensity, luminous flux and color coordinate of high-power white LED have relations with different place.
研究了在蓝光芯片加黄色荧光粉制备白光LED方法中,色坐标位置对光通量的影响。
The influences of white light LED packaging process on its performance are discussed in this paper.
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。
The width, height, brightness of the screen and the luminous flux, focus of the cineprojector are important factors of cinema auditorium design.
该系统首先给出LED的相对光谱功率分布,据此计算出LED的总光通量等光、色参数。
On basis of the spectrum distribution, we can calculate the optical and colorimeter parameter of LED such as CIE color coordinate, color temperature, color rendering index and so on.
一个像素所收集到的光量子数,也就是像素值,是测量的光通量的方式,即反映了光源的亮度。
The number of photons collected by a pixel, and therefore the pixel value, is a measure of the flux, and thus of the brightness of the light source.
当高速飞行物体穿越激光光幕时,光通量的变化被转变为电信号并采集到计算机进行数据处理。
When flying objects with high speed pass through the laser screen, change of light flux is transformed into electronic signal and sampled by data sampling card and processed by computer.
当高速飞行物体穿越激光光幕时,光通量的变化被转变为电信号并采集到计算机进行数据处理。
When flying objects with high speed pass through the laser screen, change of light flux is transformed into electronic signal and sampled by data sampling card and processed by computer.
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