In the paper,the extractive contents,group components and chromatography of four source rock spe-cimens in the lower part of the Fourth Member of Shahejie Formation of Paleogene,the Dongying Sag of the Bohai Bay Basin was analyzed,using the methods of the ternary extraction,supercritical extraction and chloroform extraction.

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;

A Study of Technological Parameters of Extract in Preparation Process of Binder;

Its mainly procedures include: extraction of mushroom, production of soy sauce, making of chili sauce, production of sauce glue, seasoning and sterilization ect.

Compared three methods that extract oligosaccharides from carrot,the best technology is: Ethano-Methanol extraction.

Experiment on refinery sludge treatment by solvent extraction;

Herein, solvent extraction could be used to take out the structure templates from zeolite pores because the interaction between skeletal Zr-O-Zr structure and PEO surfactants is very weak.

Five methods in solvent extraction for separating aromatics in China and abroad were introduced, including Udex, Sulfolane, Arosolvan, DMSO and Formex processes.