MNDO calculations and group theory were carried out on tetraphenyl porphyrine(TPP) to obtain its optimum molecular geometry.

运MNDO计算和群论，优化较满意中位取代四苯基卟啉(H2TPP)子构型。

An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

溴酚蓝对DMDAAC进行定性，四苯硼酸钠及折光率法进行定量方法进行探讨。