1) exchangeable cation
交换性阳离子;交换性正离子
2) exchangeable cation
交换性阳离子
1.
Correlations were analyzed as following: (1) Correlations in exchangeable Ca,Mg,Na and K; (2) Correlations between exchangeable cations and dissoluble ions (Ca2+,Mg2+,Na+,K+,CO32-,HCO3-,Cl-and SO42-) ;(3) Correlations between exchangeable cations and soil ESP,SAR,pH and total alkalinity.
对各交换性阳离子之间、交换性阳离子与土壤可溶性阴阳离子以及交换性阳离子与土壤碱化度(ESP)、钠吸附比(SAR)、pH和总碱度等碱化参数之间的相关性进行了统计分析。
2.
Comparing the rhizosphere soil of mixed forest of larch and ash,variable trends of exchangeable cation in the rhizosphere soil of mixed forest of larch and ash were obtained.
通过对落叶松水曲柳混交林中根际土壤交换性阳离子的比较,得到了落叶松水曲柳混交林根际土壤交换性阳离子的变化趋势为:除钠外,落叶松的各项交换性阳离子含量均大于水曲柳,钠与钾、钙、镁存在拮抗作用,营造落叶松混交林有利于促进落叶松的生长。
3.
By analysis of exchangeable cation content of soil of secondary young growth of larch,young growth of Pinus sylvestris var.
通过对二代落叶松幼龄林、樟子松幼龄林、天然次生林、落叶松水曲柳混交林土壤交换性阳离子的分析,得到了同林龄土壤交换性阳离子变化趋势,为评价土壤供肥蓄肥能力、改良土壤和合理利用林地、营造速生丰产林提供重要依据。
3) positive ionic exchange ability
阳离子交换性
1.
Zeolite, because of its extremely strong positive ionic exchange ability and adsorption, was used as carrier of nitrogen fertilizer, NH 4NO 3.
利用沸石较强的阳离子交换性和吸附性特点，将其用作氮肥硝酸铵载体，采取土壤表施和深施，定期测定土壤氮素含量，研究其动态变化。
4) base exchange
阳荷性离子交换
5) cation exchange properties
阳离子交换特性
6) cation exchange capacity(CEC)
阳离子交换性能
1.
The effect of concentration of sodium hydroxide,liquid /solid ratio and additives on the cation exchange capacity(CEC) of zeolite were investigated.
以粉煤灰为原料,在微波辐射条件下,采用多段技术合成了NaP1型和NaA型沸石,考察并讨论了氢氧化钠的浓度、液固比以及添加剂等对沸石产品的阳离子交换性能(CEC)的影响。
补充资料：交换性
交换性
commutativity
交换性[~mu咐访ty;劝朋打aT“.的er‘- 代数运算(al罗braie operation)的性质之一对于加法和乘法，交换性由下列公式来表示: a十b二b+a和ab=ba.二元运算*是交换的(或者，换句话说，满足交换律(lawof commutativity))，如果在给定的代数系中，恒等式a*b=b*a成立.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条