查询词典 fluorescent light

Cold cathode fluorescent lamps are widely used as an optimum light source for such back--lighting systems.

目前LCD用背光源中，冷阴极荧光灯是主流，本文从LCD对背光源的要求出发，重点介绍了冷阴极荧光灯的设计要点。

Methods Techniques including cell culture,fluorescent immunocytochemistry,light and electron microscopic enzyme cytochemistry were used.

首先它将为阐明神经系统发育机制提供有利证据，其次为神经干细胞的应用提供更有价值的资料。

Some problems that might impact on the experiment result often exist for a simple fluorescent lamp,such as instability,spatial nonuniformity,light divergency,effect of lamp temperature,etc.

对光源测试的结果表明，荧光灯光源存在光源不稳定性、光场空间结构不均匀性、光场空间发散性、光源温度变化效应等可能影响测量结果的问题。

The intensity of red emission was far higher than that of the green emission due to the cross-relaxation process ~4F_(7/2+~4I_(11/2)→~4F_(9/2)+~4F_(9/2), which restrained the electron population of green emission energy level, enhanced the efficiency of red light emission remarkably, and brought about high fluorescent branding ratio of red to green.

结果表明：这三种方法得到的样品的形貌分别为无定形、球状和长柱状；同固相法合成的样品的发光性质不同，这三种方法合成的样品的发射谱均为绿光发射主导上转换光谱。

To make picture clear, the electron beam that must come out to be being hit from electron gun undertakes focusing is handled, let electron beam pass electron lens, be opposite with optical lens of beam of light collect action likeness, the electron beam assemble that opens scattering rises, get on fluorescent screen one shines again small spot, add the effect of scanning circuit, ability shows clear picture.

为了使图像清楚，必须对从电子枪打出来的电子束进行聚焦处理，让电子束通过电子透镜，和光学透镜对光束的聚集功能相似，把散射开的电子束会聚起来，在荧光屏上得到一个又亮又小的光点，加上扫描电路的功能，才能显示清楚的图像。

It can take the place of traditional rare earth fluorescent screen in high energy radiography applications because of no visible light dispersion in it.

在高能的数字X射线成像系统中使用的X光可见光转换屏具有相当重要的作用，直接影响成像系统的性能。

The invention discloses press polish type X light fluorescent screen manufacturing method.

本发明公开了一种压光式X光荧光屏的制作方法，以解决现有大面积荧光屏存在的荧光粉层表面粗糙度和不平度较高的问题。

There is no visible light dispersion in the glass and it can take the place of traditional rare earth fluorescent screen in high energy radiography applications. For its spatial resolution will not be greatly reduced when its thickness increases in a certain range, a thicker glass can be used to reach a higher DQE.

针对特殊用途开发了一种新型掺Tb3+硅酸盐发光玻璃转换屏，可用于30 MeV的γ光子的成像探测；在低能X光(100 keV)作用下的空间分辨能力与301型发光玻璃相当，而在能量高达12 MeV的X光的照射下，其空间分辨能力不低于1.5 lp/mm，发光效率约为301型发光玻璃的3倍。

The same is true of some kinds of fluorescent lighting, which are also deficient in red light.

有些荧光灯也会出现同样的情况，红光也是同样的缺失。

The effects of excitation light source , grating of spectrometer and emis sion detector et al on the fluorescent spectra are studied.

介绍了荧光光谱测量系统的测量原理，讨论了激发光源、单色仪光栅、样品的制备、激发光的激发位置和入射角、探测器、荧光光谱波段等测量条件的选取对激光玻璃荧光测量结果的影响。

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。