The function study on trichlorobenzene degradation by plasmid pT7;

Relationship between sauce-flavor aroma and plasmid containing of 2 sauce-flavor producing Bacillus subtilis strains;

Construction and identification of nine single-point mutant recombinant plasmids of phenylalanine hydroxylase gene;

Construction and identification of recombinant plasmids with prostate specific antigen enhancer and promoter in gene expression regulation;

Construction of human La protein mutant plasmids and expression,purification of human La protein and its mutants;

Large-scale Purification of Plasmid DNA by Ultrafiltration with Hollow Fiber Filter and Hydrophobic Chromatography;

The traditional alkaline method to isolate plasmid DNA takes time and the operation system requires strict control.

In this treatice,the narrator explains the present application status of the combined technology of the gas two-section primary cooling and final cooling with light tar removing naphthalene,and predicts its great potentiality in reforming the gas primary cooling and final cooling system in the small and medium coking plants.