1)  K-Na selectivity
Na+-K+选择
2)  selectivity for K~+ over Na~+
Na+、K+选择性
1.
A pot experiment was conducted to study effects of plant growth regulator——uniconazole(S3307) on salt resistance,selectivity for K~+ over Na~+ and distribution of free proline at whole plant level in E.
采用盆栽试验,观察测定了烯效唑(S3307)对湖南稷子抗盐性及整株水平Na+、K+选择性和游离脯氨酸分配的影响。
3)  Na~+/K~+ selectivity
Na~+/K~+选择性
4)  selective absorption (SA) of Na~+ and K~+
Na~+、K~+选择性吸收(SA)
5)  selective transportation (ST) of Na~+ and K~+
Na~+、K~+选择性运输(ST)
6)  sodium ion
Na+
1.
The result showed that sodium ion content of Tamarix chinensis,Elaeagnus angustifolia,Populus alba increased gradually with the increase of irrigation year in the same vegetal part,and varied with the different desert plants,highest in of T.
通过对造纸废水灌溉不同年限以及不同生长部位的沙漠植物体内Na+含量进行研究。
2.
A survey of the content of sodium ion in the soils and reeds irrigating with pulping and papermaking effluent was conducted.
通过现场采样和桶栽芦苇实验 ,分析了造纸废水、土壤、芦苇组织中的Na+ 分布特征。
参考词条
补充资料:PCP-Na+MCPA-Na+prometryne
分子式:
CAS号:

性质:外观为淡褐色粉粒,pH值为8.0~9.2。该剂具有较好的湿润性及悬浮性,有刺激气味,易吸潮。大鼠急性经口LD50316mg/kg,家兔急性经皮LD50 825mg/kg。61.75%五二扑粉粒剂是由54%五氯酚钠,5%2甲4氯钠盐及2.7%扑草净组成的混合制剂。对稻田眼子菜防除效果突出,并能防除某些一年生及多年生杂草,温度低于20℃,药效发挥缓慢。持效期3~4周。

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