The influence of technical parameters of temperature, pressure and time on vacuum diffusion welding of horizontally projected jet bits on the shear strength of the welding seam was studied by orthogonal optimization test.

The influences of the technological parameters of vacuum diffusion bonding of logging ceramic probe(Al2O3 ceramic to 45 steel) such as temperature,pressure and time on the shear strength of the bonging seam were studied by the orthogonal optimization test.

Study on optimizing operation parameters of wet heating treatment for kitchen waste with orthogonal experiments;

An investigation on quality standard and screening of formulation of AFWMNM tablet by orthogonal experiment;

The study on PAMCATS mix proportion optimization using orthogonal experiment;

Optimum extraction of polysaccharides from the root of Urtica fissa E. Pritz by orthogonal design;

Study on orthogonal design of preparation of silica sol by dissolving silicon powder;

Optimization of furong ointment’s extraction technics by orthogonal design;

Studies on Pogostemon cablin Benth. with SFE by Orthogonal Experiments;

With the yield rate of star anise oil and the relative content of trans-anethole in star anise oil as examine indexes,the orthogonal experiments of supercritical CO2 fluid extract and the randomized block design with two experimental factors of subcritical CO2 fluid extraction for star anise oil from Illicium erum Hook.

Using orthogonal experiments,the significant factors of adsorptive characteristics and elutive parameters of the process which were the discharge of solvent、the concentration of elutant and distill time were studied by yield of capsaicin.