随着秋天的推移，白昼越来越短，光照时间也越来越少。
As autumn advances the days close in and the hours of light become fewer and fewer.
科学家们很早就知道光照时间长短控制着我们的生理节奏。
Scientists have long known that our circadian rhythm is regulated by our exposure to light.
研究了光照时间、单体浓度、二苯酮浓度对接枝率的影响。
The effects of irradiation time, concentrations of monomer and sensitizer on the grafting yield were investigated.
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。
To properly regulate the duration of light, you may want to consider getting a timer for your grow lights.
延长光照时间能加快微囊蓝细菌的生长速率和提高微囊蓝细菌的密度。
With the increasing of the light period length, the growth rate and cell density rose gradually and exogenous phosphorus level declined rapidly in the water.
采用人工控光，缩短光照时间的方法，对比观察了貉冬毛的生长情况。
Effect of artificial control light and shortening light on fur growth of Nyctereutes procyonoides in Winter was observed.
结果表明适当延长光照时间可以促进黄金鲈鱼的生长，降低饵料系数。
Longer photoperiod appropriately could stimulate the growth of yellow perch, and reduced its feed parameter.
结果表明：除光照时间外，其他因子对果蝇的生长、繁殖都有明显的影响。
The results showed that all these factors except for light time obviously influenced the fly growth and fecundity.
利用计时电流法对不同光照时间纳米银颗粒组装的酶电极响应电流进行了表征。
The response current of the enzyme electrode containing AgNPs photo-induced at different time was characterized by chronoamperometry.
紫外光加速老化过程中试样拉伸强度、断裂伸长率随组成、光照时间的变化关系；
The relationships of the tensile strength and elongation at rupture and with composition and lighting duration of PE plastics filled with starch were also discussed.
测定了接枝率与接枝液中N-VP单体浓度、光照时间、催化剂浓度等条件的关系。
The effects of concentration of N-VP and light sensitive agent DMT in the grafting solutions and irradiation time on the grafting yield in acid and basic mediums were investigated.
考虑到每天有限的光照时间对太阳能电池发电的影响在每个立面安装阵列是不值得的。
It may not be worth installing arrays across the whole of any facade due to the limited period during each day when the cells may be able to generate power.
随着负荷、污水C／N比、温度、光照时间等因素的变化，氮磷去除呈一定的变化规律。
The removal rule of N or P in series ponds is affected by the changes of loading, COD…
方法：应用MTT法检测不同浓度和光照时间的姜黄素对人乳腺癌MCF-7细胞生长的影响。
Methods:MTT reduction assay was performed to measure the photoinactivation of MCF-7 cells with the different concentrations of curcumin.
光照对海带配子体克隆的生长起着至关重要的作用，光照时间和光照强度直接影响着克隆细胞的生长。
Light plays very important role in the growth of Gametophyte clone. Light time and intensity affect its growth directly.
研究了不同光源、光照时间、反应物浓度等对绿色银胶形成的影响 ，分别制备了绿色银胶和黄色银胶 。
The green silver colloid and yellow silver colloid were prepared by two?step photochemical procedure and UV photochemical procedure respectively.
在人工控制条件下研究了光照时间和温度对农垦58S及以此为基因源转育的其他粳型光敏不育系育性的影响。
The effects of photoperiod and temperature on fertility of Nongken 58S and its derivedPGMSRs (subsp. japonica) were studied in artificially controlled condition.
研究了熔制气氛、光照时间及热处理温度对铜光敏微晶玻璃光敏性的影响，利用XRD和SEM对样品进行了分析。
The influence of melting ambience, illumination time and heat treatment temperature on photosensitive of photoactive glass ceramic were studied. The samples were analyzed by XRD and SEM.
讨论了基质树脂结构、交联剂结构、光引发体系、光照时间以及不同光源照射等因素对光固化基托树脂物理性能的影响；
The effect of the form structure of base resin, monomer and lightinitiator system, exposure time, light sources on the physical property of the denture base resin were discussed.
本文还系统的考察了树脂在光固化时，两种基体树脂配比的不同、光引发剂用量的变化、光照时间的不同对于涂料固化交联度的影响。
The influence of the ratio of two resins, concentration of photoinitiator, and LTV' irradiation time on the properties of cured film was investigated also.
采用二步光氯化悬浮法制备了高氯含量的CIPP，研究了氯化温度、通氯量、固液比以及光照时间和方式等对CIPP含氯量的影响。
The process of two step photo chlorination suspension is used to prepare chlorinated isotactic polypropylene (CIPP) with high chlorine content.
以豫薯4号和豫薯12号为试材，研究了生长素类物质（IBA和NAA）、温度和光照时间对转移后甘薯茎尖分生组织培养成苗的影响。
Yushu 4 and Yushu 12 were used to study the effects of auxins(IBA and NAA), temperature and illumination time on plantlets regeneration from subcultured tip meristem in sweet potato.
实验结果表明，紫外光照作用及光照时间、DMF用量等是影响纳米金的形成和形貌的主要因素，选择适宜的合成条件可以得到粒径均匀、 分散性好的纳米金溶胶。
The yield and morphology of gold nanoparticles were affected by the time of UV irradiation and the amount of DMF. It is useful to enhance optical and electrocatalytical responses of functionalized g…
应激产生自不定期明暗交替的光照，持续时间从3个小时到24个小时不等。
That stress came from unpredictable periods of light alternated with darkness, lasting anytime from three to 24 hours.
这些行为的代价包括X光照片和检查的金钱开销，有可能的苦恼及难堪，时间，甚至是确实找到肿瘤的可能性。
The price of engaging in these behaviors includes the monetary costs of the mammogram and exam, potential discomfort and/or embarrassment, time and even the possibility of actually finding a lump.
这项技术被称为STEAM，即连续时间编码放大照相机。 它用一束红外激光照射物体，变换一系列不同的波长，每一个对应着传感器上的一个像素点。
The technology is dubbed STEAM, short for serial time-encoded amplified microscopy.
外面，欢快的女孩在清晨中穿梭，阳光照在她们的头上，时间握在她们的手中。
Nothing to do and outside bright girls hurry through the morning, sun on their heads, time on their hands.
这条黑夜与白天分界线的形状随着季节的变化面变化，它代表着不同的白天时间长度和不同的阳光照射量。
The shape of this line between night and day varies with the seasons, which means different lengths of days and differing amounts of warming sunshine.
在冬天，那里的阳光照射时长相对较短。但在夏天，他们可能有更多的时间走到户外，这样就平衡了冬天阳光照射的相对不足。
In part this may be lifestyle as people with limited sunlight during winter seem to get outside for long hours during the summer which may balance the short available sunlight hours in the winter.
在冬天，那里的阳光照射时长相对较短。但在夏天，他们可能有更多的时间走到户外，这样就平衡了冬天阳光照射的相对不足。
In part this may be lifestyle as people with limited sunlight during winter seem to get outside for long hours during the summer which may balance the short available sunlight hours in the winter.
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