Investigation on complex extraction technique of yeast gourmet;

The lab study of carbon dioxide's multiple extraction influence on wax precipitation temperature in formation oil;

The Influence of Soxth-Extraction on Synthesis of Hexagonal Mesoporous Silica Sieve;

Directed multi-level sample successive elimination Algorithm;

The application of sample in incremental update of sequence pattern;

The Method for Data Mining Based on Entropy Theory and Sample Test;