The paper discusses three steles:1)brief account of the rediscovering process of "Hejunge Stele" and textual criticism to its content and chirography; 2) supplement and correction to the notes of " Han Zhao Yi Stele" content,and different opinion on the origin of Yuan Shi (an assistant official); 3) supplement and correction to the notes of "Guo Ze Zhao Fan Stele".

Study on the monolayer dispersion of CaCl_2 onto silica gel;

Preparation and characterization of poly (N-isopropylacryl-amide) bonded silica gel stationary phase;

Synthesis of dendrimer-like polyamidoamine on silica gel surface and their adsorption properties for Ni~(2+) from aqueous solution;

Preparation of silica gel containing vanadium oxide and its photoluminescence properties at room temperature;

Grafting of Tilmicosin molecularly imprinted polymer on silica supports;

The synthesis and property of weak cation exchanger with silica matrix for protein separations;

Spectrophotometric method for determining nitrogen dioxide trace in the air through catalysis of silica-gel;

Feasibility study of using silica-gel to regulate indoor humidity;

Syntheses and Adsorption Properties of Silica-gel Supported Dendrimer-like Polyamidoamine Polymer;