Observation of antibacterial activity of galla chinensis ethanol extractant against 140 strains enterococci in vitro .
五倍子乙醇提取物对140株肠球菌体外抗菌活性观察。
Observation of in vitro antibacterial activity of galla chinensis ethanol extractant against 224 strains enterococci .
五倍子提取物对224株肠球菌的体外抗菌活性观察。
Soil quality - determination of nitrate nitrogen , ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant .
