Low light levels are considered 15-30 footcandles, and high light levels are considered in the 50-100 foot candle range.
一般认为低照明介于15-30英尺烛光(照明单位，指每英尺距离内之照度)，高照明介于50 - 100英尺烛光之间。
However, series of photo-protective mechanisms can lessen or even eliminate photo-oxidation, reflecting the adaptation of plants to the high light intensity environments.
植物通过一系列光保护机制来抵御光氧化伤害，这些机制反映了植物在生理和生化以及形态结构等方面对强光环境的适应性。
The electrodeless discharge lamps have the properties of simple structure, good color rendering, high light efficiency and long life. They are new energy saving light sources.
高频无极放电灯由于没有电极，因而具有结构简单、高显色性、高光效和长寿命等特性，是一新型节能光源。
The light source device has simple structure, convenient operation, rich light colors, high light homogeneity and high color stability, and can result in improved diagnosis quality.
该光源装置结构简单，使用操作方便，所发出光的颜色丰富，并且光的均匀性好、颜色稳定性好，提高了诊查质量。
The results indicated that poinsettia was a sun plant with high light-saturation point and low light-compensation point. But the shade tolerance of different cultivars was different.
结果表明，一品红具有较高的光饱和点和较低的光补偿点，是对光照强度适应能力较强的阳性植物，但不同栽培品种对遮荫环境的适应性有较大差异。
The lamp shade adopts toughened glass with high light transmission.
透光罩采用高强钢化玻璃。
Refractive index of the couplant plays an important role for obtaining high light output.
耦合剂的折射率对得到高的光输出也起着非常重要的作用。
The geometric size of the crystal also plays an important role to provide high light output.
晶体的几何尺寸对得到高的光输出也起着非常重要的作用。
Using high light efficiency, small size, non-continuous surface free-form lens design method.
高出光效、小体积、非连续表面自由曲面透镜设计方法。
The reflection cover adopts parabola structure featuring high reflection performance and high light efficiency.
反射罩采用抛物线面形状，反射率高、照明效果好；
As a new PVC auxiliary heat stabilizer, DBM has the advantage of high light transmittance, non-toxic and tasteless;
做为新型PVC辅助热稳定剂，其透光度高，无毒无味；
Can also provide the necessary roll goods or veneer colors, matte and high light, high-quality fluorocarbon coatings.
同时也能为卷材或单板提供所需的各种颜色、哑光和高光的高品质氟碳涂料。
This paper adopts a type of latest light source, the fourth generation "green light source" - white high light LED as light source of system.
本文使用了一种最新的光源，即第四代绿色光源—白光高亮度LED作为系统的光源。
In extreme cases, high light stress can lead to the level of photo-oxidative damage exceeding the rate of repair to the photosynthetic apparatus.
更有甚者，高光强胁迫将使光氧化损伤率大于光合器官的修复速率。
Experiment also showed nitrogen fertilizer could reduce the damage of photoinhibition and improve the adaptability of rice to high light intensity.
试验还表明施用氮肥可减轻光抑制的伤害程度及增强对强光的适应性。
Compared with the prior art, the system has the advantages of simple structure, small volume, low cost, long service life and high light energy use ratio.
与现有技术相比，本发明具有结构简单、体积小，成本低，使用寿命长、光能量利用率高的优点。
Good tensile force, solid overall structure, abrasion resistant, corrosion resistant, shockproof, crack free, flexible, high light effect and solvent free.
抗拉性好、整体结构强、耐磨、防腐、防震性好、无裂缝、柔韧性好、高亮光效果、无溶剂。
Thus the study of PbWO_4 crystal with high light yield is paid considerable attention to develop its applications in medium and low energy such as PET detector.
因此，提高钨酸铅晶体的光产额以使其在PET装置等低能领域获得应用已成为近年来钨酸铅晶体的研究热点。
The prepared casting organic glass plate has high heat-resistance temperature, high strength, silver mark resistance, stable dimension and high light transmission.
制备出具有高耐热温度、高强度、耐银纹、尺寸稳定的高透光的浇铸有机玻璃板材。
The male pattern infrared light sensitizing composition has the advantages of high light sensitivity, good preservation property, good printing resistance and good chemical resistance.
本发明的阳图型感红外光组合物具有感光度高、保存性能良好、耐印刷性好和耐化学性好的优点。
Using solid maintenance free LED light source, high light efficiency, life up to 100 thousand hours; excellent circuit design, working light and strong light can be arbitrary conversion.
采用固态免维护LED光源，光效高，寿命长达10万小时；优良的电路设计，工作光和强光可任意转换。
LED lamps have lots of advantages comparing with traditional lamps. Along with the increase of LED's power, high light LED lamps have a great potential to replace traditional light source.
LED灯具具有强于传统光源的若干优势，随着LED功率不断提高，高亮度的LED灯具有着取代传统照明灯具的趋势，应用潜力非常大。
Registration and difference can't exclude stars when processing the 16-bit gray images because interpolation error of high light star is larger than the difference of target and background.
相邻帧配准差分去除恒星方法，在处理16位灰度图像时，由于高亮度恒星的插值误差大于目标灰度与背景之差，导致差分不能有效去除恒星干扰。
The device has the advantages of long service life, high light emission efficiency and stable light output, and can meet the illumination requirement for backlight source of LCD device, etc.
且该装置使用寿命长、发光效率高、输出光稳定，适合作为LCD显示器件的背光源等照明要求。
How to achieve high port handling capacity, meet the requirement of client and build up competing ability in market with lower cost, which is all along the high light in port plan and design.
如何以尽可能低的造价，实现高效的装卸能力，满足客户的要求，增强港口的市场竞争能力一直是港口规划设计研究的重点。
Cerium-doped orthoaluminate(YAP:Ce) is a kind of scintillator with high light yield and fast decay time, which makes it a good choice for applications in high-energy physics and medical imaging.
YAP晶体具有优良的闪烁性能，其主要特点是衰减时间短，光产额大，在高能射线探测、核医学等方面有着广阔的应用前景。
The composite material produced by the preparation method of the invention has the advantages of light weight, easy synthesis, low price, good environmental protection and high light transmissivity.
用本发明制备的复合材料质轻、易合成、价格低、环境友好、可见光透过率高。
The composite material produced by the preparation method of the invention has the advantages of light weight, easy synthesis, low price, good environmental protection and high light transmissivity.
用本发明制备的复合材料质轻、易合成、价格低、环境友好、可见光透过率高。
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