n this paper,the gold or platinum percentage content of alloy gold or platinum detected by method of density are compered with the results detected by chemical analysis and devices.

Effects of four endophytic fungi on the growth and polysaccharide content of Anoectochilus roxburghii(Wall.) Lindl.;

Comparative Study on the Polysaccharide Contents of 4 Species of Plants in Shangdong Province Used as Tusizi, a Traditional Chinese Drug;

Effect of companion fungus on hyphal growth and polysaccharide content of Polyporus umbellatus;

The optimal condition was determined by the orthogonal experiment,the content of polysaccharides was measured by spectrophotometry.

Analysis on Polysaccharide Contents of Different Organs in Phyllanthus emblica L.;

Objective: To study the effects of four species of endophytic fungi on the growth and polysaccharide and alkaloid contents of cultured Dendrobium nobile.

The effect functions of nitrogen,phosphorus and potassium application code on root yield and polysaccharide content of Astragalus membranaceus were established based on field experiment using three factor D-saturation optimal de- sign.