查询词典 porphyrin

Taking double-layer paracyclophane derivatives, platinum acetylide chromophores, porphyrin derivatives, C60, C70 and octupolar molecule as the example, our research results have been reported.

以双层二聚二甲苯邻甲酸衍生物、铂乙炔化物、卟啉衍生物、C60、C70、八极矩分子为例，报道了我们在这方面的研究结果。

It was found that this kind of porphyrin complexes could be effectively separated only with the mobile phase containing amine together with organic acid.

探讨了不同分离参数对它们色谱保留行为的影响发现：流动相中存在有机酸和胺类添加剂才能使四个稀土卟啉配合物有效分离。

The Soret band in the UV-Vis spectrum of the porphyrin was split because of this effect.

卟啉环流效应对侧链咪唑芳环的影响导致咪唑环上三个氢原子的化学位移向高场移动，且卟啉的紫外－可见光谱的Soret带发生裂分。

Since molecular charge distribution is closely related to molecular properties, it is important to calculate charge distribution of iron porphyrin compound.

由于分子中的电荷分布与分子的性质息息相关，计算铁卟啉化合物的电荷分布就显得非常重要。

Chlorophyll is also a chelate, the porphyrin part of the molecule being bound to iron.

叶绿素也是一种螯合物，分子中的卟啉部分可以和离子结合。

The catalytic oxidation of cyclohexane to cyclohexanone and cyclohexanol in air as probe reaction was performed without any organic solvent or cocatalyst, and the influences of the amount of metal porphyrin, reaction pressure, reaction temperature and reaction time on the catalytic activity were investigated.

以空气氧化环己烷制备环己酮和环己醇为探针反应，在不加入任何有机溶剂或助催化剂的条件下考察了金属卟啉用量、反应压力、温度、时间等对其催化活性的影响。

It was found that manganese porphyrin had the highest activity, and a maximum 15.4% of cyclohexane conversion and 93.9% selectivity of cyclohexanone and cyclohexanol could be obtained under the suitable conditions.

结果发现，锰卟啉催化活性最好，在适宜反应条件下，环己烷转化率高达15.4%，环己酮和环己醇的总选择性约为93.9%。

Chapter two: Using 5-(4-aminophenyl)-10,15,20-triphenylporphyrin as thestarting compound, the classical diazotization of aniline and the resulting reaction ofdiazo salts were applied to porphyrin for the first time, and a series of asymmetriclysubstituted meso-tetraarylporphyrins including 5-(4-chlorophenyl)-10,15,20-triphenylporphyrin, 5-(4-iodinphenyl)-10,15,20-triphenylporphyrin, 5-(4-cyanophenyl)-10,15,20-triphenylporphyrin, 5-(4-bisphenyl)-10,15,20-triphenylporphyrin and 5-(4-hydroxylphenyl)-10,15,20-triphenylporphyrin were synthesized.

第二章：在已合成的5-(4-氨基苯基)-10，15，20-三苯基卟啉基础上，首次将芳胺的重氮化及重氮盐反应应用于卟啉，合成了5-(4-氯苯基)-10，15，20-三苯基卟啉、5-(4-碘基苯基)-10，15，20-三苯基卟啉、5-(4-氰基苯基)-10，15，20-三苯基卟啉、5-(4-联苯基)-10，15，20-三苯基卟啉和5-(4-羟基苯基)-10，15，20-三苯基卟啉等一系列不对称取代的meso-四芳基卟啉。

Upon CV and DPV experiments, the reduction and oxidation potential of these porphyrins were shown to be similar to each other. This suggests that different PAHs ethynyl substitutes would have similar effects on electrochemical properties of the porphyrin molecule.

在电化学探讨部份，接上不同多环芳香族取代基的紫质分子之氧化还原电位彼此都相当类似，表示这些紫质光敏剂的能隙相当接近，不同的多环芳香族取代基对於紫质分子的电化学性质影响程度相当接近。

By the studies of nanosecond flash photolysis and estimates of excited state energy level, we deduce that there is a charge-transfer excited state corresponding to the transfer of an electron from the zinc porphyrin to the Ru-based moiety of 5-Zn in acetonitrile when exciting at λ= 532 nm.

纳秒闪光光解的研究和激发态的能级估算表明在乙腈溶液中，用波长532nm的激光激发5-Zn，可以形成一个电荷分离态，它对应于锌卟啉到联吡啶钌的电子转移过程，这个电荷分离态表示为：PZn~+-Ru~+。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷