mas nmr meaning in English

核磁共振谱

In situ mas nmr spectroscopy study on catalytic reaction mechanism of light alkanes
低碳烷烃催化反应机理的固体核磁共振研究
The results of mas nmr analysis indicate that the crystalline structure of cordierite was considerably changed by the incorporation of the zn2 ions or ti " " ions , leading to the partial transition from a - cordierite with a hexagonal crystalline structure to p - cordierite with a orthorhombic crystalline structure
2al2o3 ? 4 . 6sio2堇青石固溶体样品的结构。 masnmr研究结果表明， zn2 + 、 ti4 -的固溶对样品中的堇青石结构具有重要的影响，使得样品中的堇青石由六方结构-堇青石向四方结构-堇青石转变。
In this paper , the kaolinite / polyacrylamide intercalation compound was prepared first by the displacement reaction of kaolinite / formamide intercalation precursor with acrylamide , and then the in - situ polymerization of acrylamide . the kaolinite structure and the intercalation mechanism were discussed by the techniques of powder x - ray diffraction analysis , * h mas nmr , raman , and ir spectra
本文以甲酰胺为前驱剂、丙烯酰胺为取代剂，采用插层-取代-原位聚合的方法制备高岭石有机插层复合物，用x射线衍射、 ~ 1hmasnmr 、 raman 、 ir等技术研究了插层复合物结构特征和插层反应机理。