1) photon efficiency
光子效率
1.
Calculations show that as the thickness of the target increases, the photon efficiency increases and reaches a maximum, and then drops sharply for gold and tungsten target, while drops gently for cooper target.
对几种靶的光子效率和X射线前向性随靶厚度变化进行了计算和分析。
3) spectral(photon)effectiveness
光谱光子效率
4) photonic collection efficiency factor
光子采集效率
1.
The photonic collection efficiency factor was estimated to be about 0.
以草酸铁钾化学光量计曝光试验对其光学性能进行了评价,光子采集效率约为0。
5) fluorescence quantum yield
荧光量子效率
1.
A series of 4H-pyrrolo[1,2-a]benzimidazoles are synthesized, the UV and fluorescence spectra of 4H-yrrolo[1,2-a]benzimidazoles (5a～5m) are measured, and their fluorescence quantum yields are determined.
合成了一系列4H吡咯并[1,2-a]苯并咪唑类化合物,测量了它们乙醇溶液的紫外/可见吸收光谱和荧光光谱并计算出各自的荧光量子效率。
2.
The fluorescence spectra and fluorescence quantum yields of the compounds 3a～3k, 4a～4b and 5～6 were examined.
合成了一系列中氮茚化合物 ,研究了化合物 3a～ 3k ,4a～ 4b ,5～ 6分子中不同取代基对其荧光光谱和荧光量子效率的影响 。
3.
The absorption-emission spectra and the fluorescence quantum yields in THF were determined and the structure-spectra relationships were discussed.
本文分别用Wittig反应、Perkin反应和Pechmann反应合成了邻甲氧基取代二苯乙烯及其由内酯键固环为3-位苯环或4-位苯环取代的香豆素化合物,固环为3-位苯环取代的香豆素化合物的最大吸收波长稍有红移约2nm,而发射波长产生了约20nm的较大红移,Stokes位移增大了18nm,荧光量子效率也稍有提高。
6) extinction efficiency factor
消光效率因子
1.
In this paper, we calculate the extinction efficiency factor Qext of single spherical particle by using Mie scattering theory, and analyse its characteristics with the increasing of radius r.
本文利用Mie散射理论,计算出单个球形粒子的消光效率因子Qext,分析它随半径r变化的特性。
2.
The absorption,mattering and extinction efficiency factors of red phosphorus smoke with different diameters to infrared at different wavelengths were calculated according to Mie scattering theory.
根据Mie散射理论计算了多种直径红磷烟幕粒子对不同波长红外的吸收效率因子、散射效率因子和消光效率因子。
补充资料：光谱光子效率
分子式：
CAS号：
性质：在引起相同的光响应的波长λ下，单位时间内光子积分通量功率Epo的倒数ΔY(ΔY/Δt)。当光谱衰减度可以忽略不计时，此效率谱与敏感颜料的转换谱成正比。
CAS号：
性质：在引起相同的光响应的波长λ下，单位时间内光子积分通量功率Epo的倒数ΔY(ΔY/Δt)。当光谱衰减度可以忽略不计时，此效率谱与敏感颜料的转换谱成正比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条