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A new unsymmetrical metal porphyrin- 5-{4-[3-(2-nitro-phenoxyl) propoxy]phenyl }-10, 15, 20-tri-(4-methoxy phenyl )porphyrin copper (compound Ⅱ)was synthesized,and its UV-Vis spectra were measured and compared with other three symmetrical metalporphyrins.

本文合成了一个新的非对称卟啉铜化合物,测量了其紫外-可见光谱,并将此光谱结果与其他三种对称金属卟啉的光谱进行了比较。

At the same time, the intensity ratio of the ICT fluorescence to the LE fluorescence, I〓/I〓, shows a "bell"-shaped variation with increasing CTAB concentration The intensity ratio was found to level off after the CMC of CTAB Together with the data from UV-Vis absorption spectroscopy, electric conductance measurements and the control experiments with tetramethylammonium bromide, it was concluded that the"bell"-shaped variation in the intensity ratio before CMC is due to the formation of premicelle aggregates consisting of ICT fluorophore and CTAB.

此时,ICT荧光强度与LE荧光强度之比,I〓/I〓随CTAB浓度增大而呈&钟形&变化。当CTAB浓度高于CMC时,I〓/I〓为一常数。根据紫外-可见吸收光谱,电导以及四甲基溴化铵对照实验的结果可知,当CTAB浓度低于其CMC时,I〓/I〓的&钟形&变化是由于长链对二烷基氨基苯甲酸与CTAB组成的胶束前簇集体形成所致。

Six new ligands and 2 mononuclear,5 binuclear,8 tetranuclear complexes all of which are new havebeen synthesised and characterized by elementalanalysis,electric conductance and IR,UV-Vis spactr-oscopic methods.

本文主要研究多核配合物中的磁交换相互作用。共合成了6个新配体,2个单核。5个双核和8个四核配合物,并用元素分析,红外,紫外一可见。

Decolorization of MB by heterogeneous Fenton reaction using titanomagnetite was studied using UV-Vis spectra, Fourier transform infrared spectroscopy, 13C nuclear magnetic resonance spectra (13C NMR), dissolved organic carbon and element C analyses.

本研究运用紫外可见光谱、傅立叶转换红外光谱和13C核磁共振谱以及水相中溶解性有机碳和固相上元素碳分析等技术对钛磁铁矿异相Fenton法脱色亚甲基蓝的过程进行了研究。

The UV/vis exhibited the absorbance of BSA(210nm) to shift tored and decrease gradually with the addition of nicotine, reflecting the transition of secondarystructure of BSA, namely the helix of BSA become looser.

Lineweaver-Burk 双倒数方程计算pH7.4 和 pH11.0 体系在温度为 20℃和 37℃条件下尼古丁和 BSA 的结合常数 k 分别为: k20℃=140.15 L·mol-1 ,k37℃=131.83 L·mol-1 (pH7.4)和 k20℃=141.76 L·mol-1,k20℃=27.79L·mol-1(pH11.0),表明结合常数在 pH7.4 条件下受温度的影响要比 pH11.0 条件下小,推测是由于不同 pH 下尼古丁存在的不同形态所致。

The element Sb exists in many forms in the film: transpositional atoms and compounds such as Sb2O3, Zn7Sb2O14 etc. ZnO crysal grains grow in mixing directions. The lattice relaxation and content of second phases increase when more Sb is doped. The UVA absorption of doped ZnO thin film obviously increases. The ultraviolet absorption peak narrows, the absorption intensity increases, the absorption margin becomes steep and moves to shorter wavelength about 5 nm, and the visible absorption increases in some sort.

薄膜中Sb以多种形态存在:替位原子和化合物(Sb2O3、Zn7Sb2O14)等,ZnO呈混晶方式生长;随着Sb含量的增加,其引起的晶格畸变和次晶相的含量逐渐增加;掺杂薄膜在远紫外波段的吸收显著增强,UV吸收峰变窄,强度增大,吸收边变得陡峭且向短波方向移动达5nm,在Vis波段的吸收有所增强。

Methoxytriphenylamine and 4,4′-di methoxy -triphenylamine with good solubility in common organic solvents were synthesized by Ullmann reaction.

通过Ullmann反应合成了4-甲氧基三苯胺和4,4′-二甲氧基三苯胺两种具有良好溶解性的甲氧基取代三苯胺,通过FTIR、1H NMR和元素分析等手段对其进行了表征,并采用循环伏安结合UV-Vis吸收光谱测试了其能级结构。

The factors of temperature and humidity influenced on film thickness and order of layer were studied, in which pulling speed and pulling times were also included. It showed that the thickness of single dip-coating film reached 0.23 μm ~ 0.625 μm, and the degree of order of surface layer were still holding much higher.b Adopting calcined or uncalcined mesoporous silica membrane as matrix, nano zirconia particles were assembled through ion exchange method and ion-template exchange method.

结果表明,单次提拉膜膜厚0.23μm~0.625μm、8次提拉后表层膜仍有一定的有序性; b以自制的介孔氧化硅煅烧/未煅烧厚膜样为基体,采用离子交换法/离子模板交换法组装锆氧纳米粒子,选用DSC-TG、FT-IR、Uv-vis、SAXRD等对不同组装方法、锆源浓度、pH值等组装条件下ZrO_2/介孔氧化硅厚膜组装效果进行评价。

The cleaner unhairing and liming technology was applied in pig garment leather and sheep garment leather. The physical and chemical properties of the resultant leather were tested, and the fiber separation was examined by SEM and Vis microscope analysis. All the results showed that this cleaner liming process is feasible.

论文最后将清洁化脱毛浸灰工艺在猪正面服装革和羊皮服装革的生产上作了应用,测定了成革的理化性能,并用组织学方法和扫描电镜观察方法检查了胶原纤维的松散情况,结果表明实行清洁化脱毛浸灰工艺是完全可行的。

The crvstalline of doped PPVs was destroyed via WAXD analysis, which demonstrated the crystalline have no relationship with the PL intensity and vibronic structure.

从PL光谱和UV-Vis光谱都可以看到聚醚掺杂PPV有明显的振动结构,且发光强度和谱峰形状受热转化温度的影响小。

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