某些受激的原子会发生辐射性退激。
然后科学家们把这些老鼠放置于功能核磁共振仪下,他们发现血流量的增大与那些受激的细胞完全吻合。
And then they put the rats in an fMRI and saw that the blood flow indeed matched precisely those excited cells.
在热介质中,受激的热胶子发射降低部分子的能量,而热吸收增加部分子的能量,其净贡献导致部分子能量损失的减少。
In the thermal medium, the stimulated thermal gluon emission reduces while absorption increases the parton's energy. The net contribution result in a reduction of the parton energy loss.
光伏电池通常对光谱中的可见光和紫外线波段的光子受激性最好,但高频红外光子也能激发电流。
Photovoltaic cells are usually most responsive to photons in the visible and ultraviolet parts of the spectrum, but they can also respond to high-frequency infrared photons.
受激喇曼散射使得信号波长就象是更长波长信号通道或者自发散射的喇曼位移光的一个喇曼泵。
Stimulated Raman scattering signal wavelength is like making a longer wavelength signal path or spontaneous Raman scattering of a Raman - displacement pump.
激光是指受激辐射光放大的排放量。
LASER significa Light Amplification by Stimulated Emissions of Radiation.
证实了在低原子浓度下探测受激辐射的可能性,并估计了用受激辐射信号检测杂质的可能性。
The possibility of the stimulated radiation at the low atomic density is demonstrated, and the possibility of impurity examination by means of stimulated radiation signals is estimated.
坐骨神经是人体最大的单神经,它受激惹时会出现坐骨神经痛。
Sciatica describes an irritation of the sciatic nerve, which is the largest single nerve in the human body.
疾病预防控制中心在五月份评估了受易激惹影响的儿童,每175儿童就有一个受其影响。
The Centers for Disease Control and Prevention estimated in May that autism affected up to one in every 175 children.
计算结果还表明,受激液体射流和自由液体射流的临界曲线有明显不同。
The results also indicate that the critical curves of a free jet and an excited jet are quite different.
对受激电弧的声发射信号分析表明,从音频到超声频带,电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
对光纤通信系统中的受激布里渊散射(SBS)以及声子损耗对SBS的影响进行了研究。
The stimulated Brillouin scattering (SBS) and the effect of phonon loss in SBS in optical fiber communication systems are investigated.
利用耦合波方程分析了相位共轭效应和受激散射阈值效应对受激散射光发散角的影响。
The influence of the phase conjugation effect and the threshold effect of stimulated scattering on the divergence of stimulated scattering was discussed.
本文报道锂蒸气中由双光子泵浦所产生的位于紫外、可见和红外区的相干和受激辐射。
This paper reports the generation of the coherent and stimulated radiation in UV, visible and infrared regions by two-photon pumping.
本文对相位匹配条件下光纤波导中的受激四光子混频(SFPM)过程的模式问题进行了理论和实验研究。
A study on the mode under the condition of phase-matching of stimulated four-photon mixing (SFPM) in optical fiber waveguides has been performed.
在阐述受激喇曼散射原理的基础上,深入研究了喇曼光纤放大器设计中泵浦光的优化配置。
The optimal allocation of the pump in Raman fiber amplifier design is studied in detail based on the principle of stimulated Raman scattering.
本文报道一种具有受激布里渊散射相位共轭镜的激光系统。
In this paper a new laser system with an SBS phase conjugating mirror ig described.
组胺使皮肤中的神经末梢受激惹,从而使你感觉瘙痒。
Histamine also irritates nerve ending in the skin and makes you itch.
受激布里渊散射(SBS)的抑制性能是光纤调幅有线电视外调制发射机的关键指标之一。
The performance of Stimulated Brillouin Scattering (SBS) suppression is one of the key parameters in optical fiber AM CATV (amplitude modulated cable television) externally modulated transmitters.
用离子对交叉驰豫模型及光纤中的非线性效应—受激布里渊散射对实验结果进行了定性解释。
The results are explained qualitatively by the cross relaxation model of ion pair and the fiber nonlinearity stimulated Brillouin scattering.
产生激光的过程是受激辐射的光放大过程。
The process which produces laser is that of light enlargement of excited radiation.
由于受激喇曼散射的作用,使得喇曼增益谱叠加到光纤中的调制不稳定性增益谱上。
Due to the role of stimulated Raman scattering, Raman gain spectrum is superposed over the conventional MI gain spectrum in optical fibers.
考虑受激喇曼散射的竞争效应,求得了简并四波混频后向波参量振荡信号强度与泵浦输入强度的关系。
Considering the competing effect of Raman scattering, the dependence of intensity of parametric backward wave oscillation on the pumping intensity is obtained.
研究了在各种CS_2介质波导中受激布里渊后向散射的模式特性以及脉宽压缩现象。
The mode characteristics and the pulse compression phenomenon of backward stimulated Brillouin scattering (SBS) in CS2 light waveguide of different sizes are investigated.
受激喇曼散射是光纤本身的一种光学非线性效应。
计算了受激电子喇曼散射的功率增益系数并测量了红外输出随染料激光频率调谐的变化,其结果符合较好;
The calculation for the power gain factors and the measurment for the infrared output as a function of a dye laser tunning are made and both results are in good agreement.
随着激光器的能量密度和功率进一步提高,用以传输激光的大型光学元件中的横向受激布里渊散射现象越来越受到人们关注。
Transverse stimulated Brillouin scattering (TSBS) in large optics has been paid more and more attention in recent years with the gradual improvement of laser's energy density and power.
受激布里渊散射(SBS)的抑制是光纤am- CAT V外调制传输系统中关键技术之一。
Stimulated Brillouin scattering (SBS) suppression is one of the key technologies in optical fiber AM CATV externally modulated transmission system.
受激布里渊散射(SBS)的抑制是光纤am- CAT V外调制传输系统中关键技术之一。
Stimulated Brillouin scattering (SBS) suppression is one of the key technologies in optical fiber AM CATV externally modulated transmission system.
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