查询词典 light source

The system had advantages of the invariableness of light source and long stable working time, which improved the image collecting precision greatly.

该系统光源恒定、处理速度快、图像精度高，能长时间稳定工作，显著提高了图像采集质量。

Using ultraviolet lamp as light source, the photocatalytic activity of photo-assisted mesoporous TiO_2 katalyst was studied by photodegradation of Rhodamine B.

以紫外灯为光源，通过对水溶性染料罗丹明B的光降解反应，考察了光助中孔TiO催化剂的光催化活性。

Central to the success of the nanowire light source are the exceptional nonlinear optical properties of potassium niobate.

纳米线光源取得成功的关键之处在于铌酸钾的非线性光学属性。

Using the noncollinear quasi-phase matching technology,"clear light source" sequence of different colors at different positions can be obtained in a two-dimensional LiNbO3 nonlinear photonic crystal with ten-fold quasi-periodic superlattice.

在具有二维十重准周期超晶格结构的铌酸锂非线性光子晶体中，利用非共线准相位匹配谐频的方法，可在不同角度上获得不同颜色的&纯光源&光斑序列。

This paper proposes a novel and practical method of measuring nonuniform light source by using digital imaging device.

介绍了利用数码成像器件测量不均匀面光源亮度的有效方法，分析了它与传统点式亮度计的差别。

Ambulatory Phlebectomy involves marking the location of the vein with a special light source.

动态Phlebectomy涉及标识的位置静脉，经特殊光源。

The relation between light source dimension and spectrum and photic coherence was discussed.

最后给出宽边耦合线巴伦的实验结果。4。得出光源线度和谱宽与光场相干性之间的关系。

However, the reason that LCD can't fully take the place of the tube is mainly on the performance of color and motion image. Though LCD can greatly improve the Color Saturation up to NTSC 105%, LCD is limited on reaction time and continue LCD light source, which create image shape shadows while the image moves due to photogene.

而液晶显示器目前无法完全取代映像管的地方就在於色彩及动态影像的表现，虽然发光二极体已可大大改善色彩饱和度到达NTSC 105%，但液晶显示器受限於液晶的反应时间及液晶显示光源表现为持续方式，使在动态影像表现上因人眼的视觉停留的因素导致影像移动的边界上产生阴影。

Simulated light source ; poaceae plants ; chenopodia ceae plants ; transpiration characteristics ; water use efficiency

模拟光源；禾本科植物；藜科植物；蒸腾特性；水分利用率

The light source is also adjustable for height and can be rotated.

光源也是可调的高度，可旋转。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。