The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
According to chemical composition, exchangeable cation and thermal behaviors of crystal structure, Xuancheng zeolite should belong to calcium-rich clinoptilolite with low thermal stability.
根据宣城沸石化学成分、可交换阳离子组成和热处理晶体结构演化，判断宣城沸石为富钙斜发沸石，具有低热稳定性的特点。
The composition of exchangeable cation and the soil nutrient content can be used as the indexes to evaluate soil chemical fertility evolution, especially the former is more important.
交换性阳离子组成、养分全量及速效含量可作为评价红粘土红壤化学肥力演化的指标。
Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 ion chromatograph.
为测定荔枝核中的游离氨基酸，采用ICS - 2500离子色谱分析仪，分别测定了荔枝核提取液与732阳离子交换树脂洗脱液中的氨基酸的组成和含量。
Amphipathic cation association polymer, preparation process, use and composition thereof.
两亲阳离子缔合聚合物，其制备方法，用途和其组合物。
Amphipathic cation association polymer, preparation process, use and composition thereof.
两亲阳离子缔合聚合物，其制备方法，用途和其组合物。
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