Funded partly by the National“973”Program of China(No.2015CB655101);National Natural Science Foundation of China(No.51379163)
To investigate the influence of preparation process on the properties of synthesized C4AF,the powder was prepared via the self-propagating combustion reaction(SPCR)method using urea as fuel and metal nitrates as cat...
Coalification temperatures are often considered to be approximately 100-170 ℃ for bituminous coal and 170-275 ℃ for anthracite. However, our micropetrographic observations, solid state ^27Al magic-angle spinning nuc...
Funded by National Natural Science Foundation of China(Nos.51778513,51402003,51578004);China Ministry of Science and Technology(No.2015CB655101)
The microstructural study was conducted on cement and cement-slag pastes immersed in different concentrations of Mg(NO3)2 solutions utilizing ^29Si, ^27Al NMR spectroscopy and XRD techniques. The results show that t...
Aluminosilicate zeolites as one of the most important catalytic materials are widely applied in industrial reactions,and understanding of their synthetic mechanism is one of key factors in this field.27Al and 29Si NMR...
Supported by the National Natural Science Foundation of China under Grant No 10675149, the Knowledge Innovation Project of Chinese Academy of Sciences under Grant No KJCX3.SYW.N1, and the National Basic Research Programme of China under Grant No 2007CB81500.
Excitation functions have been measured for different projectile-like fragments produced in ^27Al(^19F, x )y reactions at incident energies from 110. 25 to 118. 75 Me V in 250 ke V steps. Strong cross section fluctu...