N-methyl pyrrolidone as a kind of chemical solvent,expensive,reduce its dosage can save costs,excessive residue in the lubricating oil can reduce the oils flash point that bring safe hidden trouble,so
Western Zhou exist in 1046 BC-771 BC,about 3000 years ago from nowadays.The Pottery could be reflect the productivity and lifestyle of ancient people,which is also very important for studying trade an
In this paper,a rapid and effective high performance liquid chromatography(HPLC)method,using tetraazacalix[2]arene[2]triazine-modified silica gel(NCSi)as solid-phase extraction(SPE)sorbent,was develop
Porous carbon nanofibers(CNFs)using polyacrylonitrile(PAN),Cellulose nanocrystals(CNCs)and Silica nanoparticles(SiNPs)of self-supporting were prepared by electrospining and subsequent stabilization,ca
A method of determining of five phenolic compounds in human urine with Magnetic Extraction and High Performance Liquid Chromatography(HPLC)was established by using Agilent1260 liquid chromatography—ul
A new solid phase extraction(SPE)method has been developed for the separation/preconcentration and determination of cadmium,zinc and copper ions using a new sorbent.
In this paper,the synthesis of a kind of covalent organic frameworks with high linkage amount and core-shell structure was studied,and it was characterized by Infrared Spectroscope,Scanning Electron a
In this paper,a rapid and effective SPE-HPLC method,using tetraazacalix [2] arene [2] triazine modified silica gel(NCSi)as solid-phase extraction(SPE)sorbent,was established to enrich and determine ca
DNA adducts are an important class of biomarkers.DNA adducts either as a contact(exposure)biomarkers accurately reflect the exposure dose of chemical poison to evaluate the toxicity of chemical poison