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 .

用氯化钙溶液做提取剂测定风干土壤中的硝酸盐氮、铵氮和总溶解氮。