1) 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。
2) cation exchange capacity
阳离子交换能力
1.
The expansibility, water holding capacity and cation exchange capacity of PDF products were determined .
本研究采用酸处理、中温α-淀粉酶处理和耐高温α-淀粉酶处理三种工艺条件制得三种马铃薯膳食纤维产品,对三种样品与市售燕麦纤维的膨胀力、持水力和阳离子交换能力进行了测定。
2.
The expansibility, water holding capacity and cation exchange capacity of the dietary fibers were tested.
对酸、中温α-淀粉酶和耐高温α-淀粉酶等3种方式制得的紫红薯膳食纤维进行了膨胀力、持水力和阳离子交换能力的试验。
3) cation exchange capability
阳离子交换能力
1.
The negative influence from chemistry and operator on the measurement of cation exchange capability (CEC) with titration method is analysed.
化学滴定法测量阳离子交换能力(CEC)值存在缺陷。
2.
Well log data from three wells in A Oilfield were processed by the three-porosity model and other two traditional methods proposed respectively based on ratio of cation exchange capability and hydrogen index(CEC/IH) and gamma spectrum data,and the results were.
为了准确计算粘土矿物的含量,在缺少自然伽马能谱资料的情况下,利用自然伽马、中子、密度、声波组合参数,通过多元回归建立了计算粘土矿物的三孔隙度模型,同时利用三孔隙度模型、阳离子交换能力与含氢指数比值(CEC/IH)和自然伽马能谱资料3种计算粘土矿物含量的方法对A油田3口井的资料进行了处理,并对处理结果作了对比分析。
4) 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。
5) 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。
6) base exchange
阳荷性离子交换
补充资料：阳离子
分子式：
CAS号：
性质：电解时向阴极迁移的带正电荷的粒子，也称阳离子，如Na+，NH4+，Al3+等。
CAS号：
性质：电解时向阴极迁移的带正电荷的粒子，也称阳离子，如Na+，NH4+，Al3+等。
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