英语释义

1. the ratio of the number of photoelectrons released in a photoelectric process to the number of radiation quanta absorbed

片语

higher quantum yield量子产率高

quantum m yield量子产率

intrinsic quantum yield内稟量子效率

luminescence quantum yield发光量子产率

relative quantum yield相对量子产率

quantum absorption yield量子吸收产额

Photoluminescent relative quantum yield光致荧光相对量子产率

photo quantum yield光量子产率

英汉例句

• their m. p. , infrared spectra, nmr spectra, λman of uv spectra and fluorescence spectra, fluorescence quantum yield as well as laser properties of the compounds are listed in tables.

  测定了它们的熔点、红外光谱、核磁共振谱、紫外光谱、荧光光谱、荧光量子产率和激光转换效率。并借助红外谱图、核磁谱图对化合物的结构进行了分析。

• apparent quantum yield (aqy) can partly reflect the photochemistry activity of psii.

  表观量子效率（aqy）可在一定程度上反映psii光化学效率的大小。

• the higher grain yield in mutated strains was mainly due to increasing the net photosynthetic rate and apparent quantum yield considerably at the stage from booting to filling.

  孕穗-灌浆期的凈光合速率和表观量子效率的急剧增加可能成为突变株系增产的主要原因。

• it is found that initial quantum yield obtained by fitting rectangle hyperbola is higher than its real value.

  指出在田间条件下，用直角双曲线拟合得到的初始量子效率偏高。

• the apparent quantum yield (aqy), photorespiratory rate (pr)and carboxylation efficiency (ce) were also strongly affected by light quality.

  不同光质对草莓叶片的表观量子效率、羧化效率及光呼吸速率影响较大。

• influence of excitation wavelength and experimental conditions on thefluorescence spectra and fluorescence quantum yield were also investigated.

  考察了激发光波长及实验条件对它们荧光光谱及荧光量子产率的影响。

• the results indicate that the laser fluorescence intensity and the singlet oxygen quantum yield of hematoporphyrin are better than others and they may be effective photosensitizers.

  结果表明，血卟啉的荧光强度和单态氧的量子产额较高，它们均为有效的光敏剂。

• in addition, the singlet oxygen quantum yield ofp-hpczn-sio2 was higher than that ofp-hpczn.

  与未包裹酞菁的在水溶液中相比，该纳米粒的单线态氧量子产率得到了明显提高。

• the quantum yield and lifetime of the triplet states of three kinds of phthalocyanines were measured, and results showed agree with the photodynamic therapeutical effects.

  对三种酞菁配合物的三线态量子产率和寿命进行测定，结果与它们对人肝癌细胞的光动力杀伤作用相关联。

• using l tryptophan as a standard, for which a fluorescence quantum yield of 0.14 has been reported, quantum yields of human and bovine serum albumin at various excitation wavelengths were studied.

  以l色氨酸荧光量子产率0.1 4为标準，测量了人血清白蛋白和牛血清白蛋白水溶液在不同激发波长下的荧光量子产率。

• using quinine bisulphate as a reference, fluorescence quantum yield of aloin was measured to be 0.053.3.

  以硫酸奎宁为参比，测得了芦荟苷的荧光量子产率为0.053。

• the light use efficiency was higher in the morning and apparent quantum yield owing the photosynthetic feedback inhibition, contrasting to that in the afternoon.

  这主要表现在上午的表观初始量子效率比下午大。光合产物对光合作用的反馈抑制会造成这种量子效率的差异性。

• when the photosynthetic rate of leaves is photoinhibited, the quantum yield decreased.

  在叶片光合速率下降的同时，量子产量下降；

• because of such concern of hydrophobic problems, other attractive dyes, such as perylene with high quantum yield has been widely used in organic electroluminescence devices but not for bio-imaging.

  而其它一些有机染料，如花，虽然具有高的荧光量子产率和荧光稳定性，但目前只限于用在有机光电器件中。

• in addition, shading treatment also elevated the photosynthetic rates and respiration rate and apparent quantum yield (aqy).

  遮光处理还提高了矮嵩草的光合速率、呼吸速率以及表观量子效率（aqy）。

• under the action of ultrashort laser pulses the measurement of photoemissive quantum yield is different from that under the action of normal visible light.

  光电薄膜在超短激光脉沖作用下的量子产额测量与普通可见光作用下量子产额的测量有很大不同。

• the concentration-time reaction for both final and intermediate products, and the effects of reaction parameters on degree of conversion and quantum yield are calculated.

  给出终态产物和中间产物的时间演化以及各种参数对转变率及量子产率的影响。

• in short supply of water, leaf carboxylation efficiency and apparent quantum yield were cut down.

  另外表明，水分供应不足，叶片的羧化效率和表观量子。

• fluorescence intensity and quantum yield of tpps1 nano-porphyrin are 4 and 3 times as much as that of tpps1 monomer respectively.

  tpps1自组装纳米材料的荧光强度和荧光量子产率分别是单体的4倍和3倍；

• fluorescence spectra and fluorescence quantum yield of triton x-100(tx) aqueous solution are reported.

  报道了曲通x-100（tx）水溶液的荧光光谱与荧光量子产率。

• one of the main problems of the semiconductor photooxidation is how to enhance the photocatalytic activity, the quantum yield and the photocatalytic reaction rate of the semiconductor.

  如何提高金属氧化物半导体的光催化活性、光催化量子效率以及光催化反应速度是半导体光催化氧化技术研究的核心问题。

• on the base of fluorescence quantum yield and lifetime measurement, the rate constants of radiation decay and non radiation decay of this compound were calculated.

  在测定其荧光寿命及荧光量子产率基础上计算出它们的辐射及非辐射衰变速度常数。

• to generate useful energy, plants have evolved very sophisticated 「nano-machinery」 which operates with light as its energy source and gives a perfect quantum yield of 100%.

  为了产生有效能，植物进化出了异常精密的「纳米机器」，它以光为能量来源，光能转化率达到了完美的100％。