查询词典 photon

Photic zone The surface layer of an ocean or lake that is penetrated by sunlight and in which the photon flourish.

透光层：指日光能够透过的海洋或湖泊的表层，其中浮游植物繁茂。

Optical control of the primary step of photoisomerization of the retinal molecule in bacteriorhodopsin from the all-trans to the 13-cis state was demonstrated under weak field conditions (where only 1 of 300 retinal molecules absorbs a photon during the excitation cycle) that are relevant to understanding biological processes.

在弱场条件下（整个兴奋周期中，300个视黄醛分子中只有一个吸收光子），细菌视紫红质中视黄醛分子的从全反式到13－顺式状态的光致异构化的最初阶段的光学控制被阐明，这与生物学过程的理解有关。

Our theory predicts the minimum value of ponderomotive parameter and the corresponding critical laser intensity, below which no diffraction can occur; 6, We studied the energy transfer of a two-level atom moving in a cavity field, as well as its influence on the atomic emission spectra and on the photon distribution of the intro-cavity field.

我们用两对激光模来模拟紧聚焦的高斯光场，成功地得到了《Nautre》上Batleaan等人的实验观测结果，预言了有待实验进一步观测的新现象，并确立了发生电子衍射的激光场的临界强度； 6，研究了原子在激光场中运动时光场与原子之间的能量交换，以及这种能量在光谱上的反映和对激光场统计性质的影响。

The results show that Psychotria rubra and Rhodomyrl,,s tomenlosa have higher values of PN and g and a higher yield of photosynthetic photon,more adaptive to the environment with higher light intensity.

结果表明，九节和桃金娘具有较高PN和g，且有较高光合量子产率，适于较高光强环境生长。

The preparation of the composite grain lays the foundation for research of moving behavior of grain under electromagnetic field and preparation of photon crystal by means of electromagnetic rheometric technology.

该复合颗粒的制备为研究电磁场作用下颗粒的运动行为以及用电磁流变技术制备光子晶体提供基础。

Imaging of SERT with positron emission tomography and single photon emission computed tomography in humans can provide an important tool for understanding the relationship of psychiatric disorders and the alterations in SERT density, as well as to monitor the treatment of patients.

SERT的正电子发射断层和单光子发射断层活体显像剂有助于研究该系统的变化与精神紊乱疾病的关系，以及精神紊乱病人疗效的监测。

Imaging of SERT with positron emission tomography and single photon emission computed tomography in humans can provide an important tool for understanding the relationship of psychiatric disorders and the alterations in SERT density, as well as to monitor the treatment of mental patients.

SERT的正电子发射断层和单光子发射断层活体显像剂有助于研究该系统的变化与精神紊乱疾病的关系，以及精神紊乱病人疗效的监测。

Novel styryl derivatives with triphenylamine as donor and triazine as acceptor were synthesized. The two-photon absorption cross section for Ⅴ-1,Ⅴ-2 and Ⅴ-3 were determined to be 0.31×10〓cm〓/Gw, 0.365×10〓cm〓/Gw and 1. 64×10〓cm〓/Gw by femtosecond Z-san technology, respectively.

合成了以三苯胺为电子给体、三嗪为电子受体的新型二苯乙烯类化合物，用飞秒开口z-扫描测量化合物Ⅴ-1、Ⅴ-2和Ⅴ-3的双光子吸收截面分别为0.31×10〓cm〓/Gw、0.365×10〓cm〓/Gw和1.64×10〓cm〓/Gw。

A three-level energy model is forwarded on the nonlinear absorption properties o f a two-photon absorption dye trans-4-[4′-(N- hydroxyethyl- N-eth ylamino)styryl]-N-methylpyridinium p-toluene sulfonate.

提出了有机染料反式 4 [4′(N 羟乙基 N 乙基胺基)苯乙烯基 ] N 甲基吡啶对甲苯磺酸盐非线性吸收的三态模型。

Intense laser pulse causes neutral dissociation of superexcited NO molecule by way of multiphoton excitation, which is equivalent to single photon excitation in the extreme-ultraviolet region by synchrotron radiation.

由此证实和同步辐射导致的单光子激发一样，强激光导致的多光子激发同样可以引起NO分子的超激发，并且随后发生中性解离。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！