查询词典 dyes

And rhodamine and BODIPY dyes attract more and more attention because of their good photostability, high fluorescence quantum yields and insensitivity to pH.

而罗丹明类荧光染料和BODIPY类荧光染料由于良好的光稳定性和化学稳定性，高荧光量子产率及对pH值不敏感等优点也越来越受到人们的重视。

The existence of polymeric chain provides additional channels for the elimination of the absorbed energy along the polymer backbone, and with the correspondence increases the photostability and thermal stability of the dyes.

聚合物链的存在为共聚物体系的非辐射能提供了一个额外的通道，有利于体系的热稳定性和光稳定性提高，这为设计合成新型固体激光材料提供了理论依据。

Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol,from which certain synthetic dyes are derived.

酞一组化合物之一，由邻苯二甲酸酐和酚反应而成，某些合成染料是由此提取的

The light stability of pleochroic dyes dissolved in liquid crystal colour display cellswith guest-host interactions was investigated.

本文研究了宾主相互作用的液晶彩色显示盒中二向色性染料的光稳定性。

In this paper, the basic chromophores of flavonoid and pyrazolone dyes were chosen and subjected to be modified, then polyamino crosslinking groups were introduced into the prepared intermediates to afford cros...

本文选取黄酮和吡唑啉酮类染料的母体结构，拟对它们进行结构修饰，并引入多氨基可交联基团，渴望通过交联染色实现染料在纤维上接近100%的固色率，从而达到完善其各方面应用性能的目的。

The light fastness of pyrazolone coupled acid azo dyes has the relationship with 5 independent factors:the NK N2 charge (E-N1 E-N2),the dipole moment,the frontier orbit energy. The equation revealing the relationship was founded.

以吡唑啉酮为偶合组份的偶氮型酸性染料在羊毛纤维上的光牢度主要与下述5个分子结构独立因素有关：N1、N2上的电荷密度（E-N1、E-N2，分子偶极矩（μ，前线轨道的能量Ehomo、Elumo），并建立线性关系式。

The chem. shifts of b-nitrogen atom in 15N-NMR spectra of four 15N-enriched pyridone azo dyes were reported and the correlation between the chem. shifts of 15N atom and the pH values was studied.

报道了四个富氮-15吡啶酮偶氮染料的氮-15核磁共振中β-氮原子的化学位移，研究了氮-15原子和pH值之间的关联。

The charges on the substituents affected OWF〓 greatly for some azobenzene derivatives, pyridone derivatives, nitrodiphenylamine derivatives, some reactive dyes and 1, 4-diamino anthraquinone derivatives, in this instance, OWF〓 changed linearly with the change of the charges.

2给电子取代基或吸电子取代基的电荷对OWF〓有较大的影响，OWF〓随电荷的变化而线性变化，如某些偶氮苯衍生物、吡啶酮类染料母体、硝基二苯胺类化合物、偶合组分和重氮组分之间夹角α变化不大的活性染料、1，4—二氨基蒽醌衍生物等。

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Four symmetrical and asymmetrical pyrylium - squarylium cyanine dyes were synthesized.

合成了四个对称及不对称含叔丁基吡喃鎓方酸的菁染料，通过光谱和元素分析确定其结构，测定了它们的紫外-可见吸收光谱、熔点和溶解性能。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。