查询词典 chromophoric

Chromophoric dissolved organic matter solutions at different concentrations were prepared to study the effects of CDOM concentration on excitation emission matrix spectrum and synchronous fluorescence spectrum.

用自制的海水有色可溶性有机物干粉配制不同质量浓度的水溶液，研究其对三维荧光光谱和同步荧光光谱的影响。

By infrared spectra and ultraviolet spectra, mechanism of bio-bleaching was studied preliminarily. The result showed that the content of chromophoric group and lignin in bleached pulps was decreased by enzyme process.

通过红外光谱和紫外光谱研究了生物预处理的漂白机理，结果表明：酶处理可减少漂后纸浆中发色基团和木素的相对含量。

Extraction spectrophotometric determination of vanadium with BPHA as chromophoric reagent used in the analysis of ores, steel and other metals has been investigated for the analysis of residuum oil.

五价钒与钽试剂在约1.5N硫酸介质中生成的沉淀能定量地被氯仿和乙醇混和溶剂所萃取，形成橙黄色的络合物。

Many multi chromophoric organic dyes with covalent linkage between the chromophores, one of which can act as a triplet acceptor of the excess energy, have been synthesized and studied.

本文综述近几年多发色团染料分子内能量传递领域的研究概况，重点介绍了分子内能量传递对组装型多发色团有机染料光稳定性影响的研究进展。

Enzyme treatment of ramie fibers removed 40% of itshemicellulose and some chromophoric material which resulted in a brightnessincrement of 5.2% and boosted the effect of 〓 bleaching.

酶处理能去除苧麻纤维中40％半纤维素和部分发色物，提高纤维白度5.2％，同时也能提升〓的漂白效果。

Based on the measurement of chromophoric dissolvable organic matter in 22 shallow lakes in the middle and lower reaches of Yangtze River, the attenuation of ultraviolet radiation in the lakes in the middle and lower reaches of Yangtze River and corresponding penetrating depth were estimated using empirical models; and checked up utilizing the field measured attenuation of ultraviolet radiation in Lake Donghu Wuhan.

基于对长江中下游22个浅水湖泊有色可溶性有机物吸收的测量，运用经验模式估算了紫外辐射在长江中下游湖泊的衰减及对应的穿透深度，并利用在武汉东湖实测的紫外辐射衰减进行了检验。

Chromophoric cyclic polyenes including 4H-pyrans, fulvenes, and siloles are designed and synthesized.

研究了4H-pyrans，fulvenes，siloles等环状多烯结构的小分子荧光染料在溶液，固态及薄层层析板上的荧光发射行为。

The fluorescence intensity of these chitosan derivatives increases and decreases with the different chromophoric group in the polymers\' long-chain. The fluorescence properties of these chitosan derivatives are also changed with the different pH, solvent and concentration

首次考察了分子量为104数量级的壳聚糖衍生物的荧光性能与其侧链上的生色团、助色团的关系，以及在不同浓度、不同酸度、不同溶剂中它们的荧光性能的变化情况来源：33ddABC论文网www.abclunwen.com

Since exciton transfer and trapping between the chromophoric segments are much more fast process than radiative and non-radiative decay, energy transfer from wide gap segment to narrow-gap site should be highly efficient.

另外，激子在发色团片段的传输和俘获过程比辐射和非辐射性延迟过程快，所以从宽带隙到窄带隙之间的能量转移是很高效的。

Difference of chromophoric dissolved organic matter concentration and constitution, mainly resulted by different source of CDOM, causes the seasonal variation of its absorption coefficient and slope S value.

利用2006年8月、 11月和2007 年3月太湖梅梁湾水样实验室测定的水体组分固有光学特性数据和水质分析数据，分析水体中各组分在不同季节的吸收特性，并讨论不同季节光谱吸收的主导因子。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。