An estimate of sodium/potassium pump activity and the number of pump sites in the smooth muscle of the guinea-pig taenia coli, using 3[H]ouabain 5. On the assumption of a stoichiometry of 3Na: 2K, the pump sites in normal Krebs solution have a turnover rate of 1320 min−1. 6. In...
黑龙江农业科学2013(10):39～41 HeilongjiangAgriculturalSciences 冬小麦氮肥和磷肥总量控制试验研究 俞守能,孙治军,王雁,于立芝,李淑清 (中国农业大学烟台研究院,山东烟台264670) 摘要:为了优化冬小麦氮肥和磷肥的适宜用量,采用田间试验,研究了氮肥和磷肥施用量对冬小麦产量的影 响。结果表明:氮肥的施用量与冬小麦产量...