| 1. | The reason is a fundamental one associated with the mechanism of light emission .
其基本原因涉及到光发射的机理。 |
| 2. | Both ionization and excitation lead to electronic transitions that may be the emission of light .
电离和激发都将导致可能伴随有光发射的电子跃迁。 |
| 3. | Emission of visible light by living organisms such as the firefly and various fish , fungi , and bacteria
在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。 |
| 4. | In cathode ray tube display , the continuation of light emission from phosphor after excitation by the electron beam
在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。 |
| 5. | . water quality - determination of the inhibitory effect of water samples on the light emission of vibrio fischeri luminescent bacteria test - method using freshly prepared bacteria
水质.水样品对fischeri弧菌光发射的抑制效果的测定 |
| 6. | The study of si - based materials light emitting is a new leading field in semiconductor optoelectronics and photonics . the light emitting if si - based quantum - dot is attractive research direction
Si基材料光发射的研究是当前半导体光电子学与光子学中迅速发展起来的一个前沿领域， si基量子点的光发射是近年来极引人注目的新研究方向。 |
| 7. | A team from france and the netherlands set a new speed record for subdividing the second , reporting last year that a laser strobe light had emitted pulses lasting 250 attoseconds ? that ' s 250 billionths of a billionth of a second
去年，法国与荷兰合组的研究团队创下新纪录，根据他们报导，一束频闪雷射光发射的脉冲，只持续了250阿秒（ 10 - 18秒） 。 |
| 8. | After hf dipping , four blue emission peaks in pl spectra still can be observed . so the blue emission was not from sio2 or the defects in sio2 . it is possible that the blue light emission was from the skeleton of porous silicon
在其他文献报道中，用同样类型的硅片制备的多孔硅，却没有发现这一现象，这说明要实现多孔硅的蓝光发射的要求是很苛刻的。 |
| 9. | As a result 4 the rising annealing temperature induces si02 phase to form , also ivolves the formation of a si phase . in high - temperature - annealed sio ~ , films the excess silicon atoms are present as si - si4 tetrahedra , randomly dispersed in the amorphous si02 matrix . photoluminescent spectra were observed for the samples excided by the laser whose wavelength is 365nm . the pl peak is located at about 445nm , which dose n ' t shift as the annealing temperature changes . as the annealing temperature is raised , the luminescent intensity increases . the phenomena suggest that the si - o - si bond as a defect center which is broken down by the stress at the si nc / si02 interface is the primary source of blue luminescence
这个陡的界面由于明显的晶格结构的差别而有较大的应力。界面的形成伴随着界面发光中心的增加，同时pl强度在l户800有一个大的增强。这个结果提示我们，界面上h 0 s工键断裂形成的nbohc应是蓝光发射的主要原因。 |
| 10. | As one kind of si nanostructures , si - rich si02 films are the important si - based light - emitting materials . moreover , silicon is the leading semiconductor in the microelectronic industry . furthermore si02 films as passitive and insular layers are widely used in si device and integrated circuit . so si - rich films are considered suitable for optoelectronic applications
另一种观点认为纳米硅薄膜中的可见光发射来自界面或介质层中的发光中心。还有人认为对于镶嵌在sio _ 2中的纳米晶粒来说，与氧有关的缺陷可能是导致可见光或蓝绿光发射的主要原因。 |
