To discuss the influence of allogenic substances on the quality of non-astringent persimmon, certain concentration of glutanic acid, 6-BA, GA3, urea and KH2PO4 were sprayed on fruits of Fuju.
2
利用磷酸氢二钾水溶液作为萃取剂,对自然水体中培养的生物膜胞外聚合物进行了萃取和分离。
Potassium Bi-phosphate solution is applied to extract extracellular polymers from biofilm cultivated in natural water.
A new reversed phase high performance liquid chromatography method is described for the simultaneous determination of pyridine, 2-aminopyridine, 2-methylpyridine and 2-pyridinecarboxylic acid.