potassiumn.钾
Potassium fertilization under drip irrigation滴灌施钾肥
Potassium Phenoxypropionamidopenicill-anate苯氧乙基青霉素钾[青霉素类抗生素]
Potassium hydrogen phthalate standard solution本二甲酸氢钾标准缓沖溶液
potassium tetrabromophenolphthalein ethylester四溴酚酞乙酯钾
potassium phenoxyphenylaceta midopenicillanate苯氧苄青霉素钾
potassium sodium niobate piezoelectric ceramics铌酸钾钠压电陶瓷
Potassium Sulphate Fertilizer Reference Material硫酸钾肥料标准物质
Potassium Phenoxyphenylacetamidopeni-cillanate苯氧苄青霉素钾[青霉素类抗生素]