In the last decades,analyses of sulfur composion in FCC gasoline have been extensively investigated because of the greater import of high sulfur cude oil of our country.
Pyrolysis-gas chromatography-mass spectrometry(Py-GC/MS)has been applied for analyzing in dissolvable and micro organic material,especially for the complicated polymer.In this paper,Py-GC/MS was used
Gas chromatography analysis of reactive analytes has been plagued for years with problems of dirty or complex matrices,and many of these compounds break down due to activity inherent in the system.
The proposed US EPA Method 325 uses the technique of passive(diffusive)sampling to collect air samples at specific intervals along the fence line of petroleum refineries1.
It is known that Protein N-phosphorylation regulates a series of essential functions in life processes,such as nucleosome assembly,cell transcription,signal transduction and so forth1.
A suspension of highly monodisperse zeolite beta nanocrystals with diameter of <40 nm was prepared from three-dimensionally ordered mesoporous-imprinted(3DOm-i)zeolite beta by a fragmentation method i