To properly regulate the duration of light, you may want to consider getting a timer for your grow lights.
为了更合理地调节光照时间，您可以为人工光源加一个定时插座。
The duration of the dip tells the size of the planet, and the time between the light dips tells the length of the planet's orbit.
黯淡的持续时间说明了该行星的大小，而其亮度下降的时间间隔说明了行星轨道的长度。
Light induced reaction of RGCs is characterized with high threshold and long latency and duration, which are consistent with circadian photoentrainment. Melanops…
光诱导的视网膜节细胞反应阈值高、潜伏期和持续时间长，与日节律光协同化相符。
Due to their poor chemical durability, it is proposed to coat a layer of organosilicon (with 97% visual light reflectance) on the glass surface which will dramatically improve their chemical duration.
这类玻璃的化学稳定性较差，当表面涂以可见光反射率为97%的有机硅层后，稳定性显著提高。
Objective: This study evaluated the micro-hardness of light-cured composite resin of different light sources, materials , exposure duration time and depth.
目的：探讨不同条件及不同厚度下光敏复合树脂的显微硬度。
No, for the sake of a little flesh we deprive them of sun, of light, of the duration of life to which they are entitled by birth and being.
不，仅仅为了一点肉，我们就剥夺了它们与生俱来的权利：阳光和生命。
The side-effects of ATP are mostly light and short duration, and can not cause serious consequence.
ATP的不良反应较多，但一般较轻微，持续时间较短，不引起严重后果。
The relationship between the growth period, yield component of japonica hybrid rice 80 you 121 and accumulated temperature, light duration was studied.
对杂交中粳80优121在8个不同播期下的生育期、产量因素、理论产量与影响产量因素总积温、光照时数的相关研究。
The conversion efficiency of the average power is 4.2% from pump diode to OPO signal output and the signal pulse duration is about 13 times shorter than that of the depleted pump light.
实验中获得的由二极管注入泵浦功率至opo信号光平均输出功率的转换效率达4.2%，信号光脉冲宽度比消耗后的泵浦光脉冲宽度压缩了13倍。
Results: The micro-hardness of composite resin changed with different light source, materials, duration time, and depth.
结果：不同条件下光敏复合树脂的显微硬度有显著性差异P。
The vacuum flask has the characteristics of good heat-insulating performance, firmness, duration, light weight, no poison, no odor, no deformation, no break, multiple functions, etc.
本水壶具有保温性能好、坚固耐用、重量轻、无毒、无味、不变形、不破碎、多功能等特点。
Isentropic light piston wind tunnel is a kind of short working duration tunnel. It is adequate to be used for the research work of instantaneous heat transfer measurement.
等熵轻质活塞风洞是一种工作时间很短的风洞，作为气源适合于瞬时热传导测量技术的研究工作。
Expression is: Seasonal light grows to heat up resource in cotton earthnut duration of enough, sunshine accumulates Wen Gao more, effectively, …
表现为：在棉花生长季节光热资源充足、日照时数多、有效积温高，…
Expression is: Seasonal light grows to heat up resource in cotton earthnut duration of enough, sunshine accumulates Wen Gao more, effectively, …
表现为：在棉花生长季节光热资源充足、日照时数多、有效积温高，…
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