If such effects as stimulating the growth of plants,improving the soil condition are to be guaranteed,the content of fulvic acid and hymatomelanic acid,which are the available component of humic acid,as well as the base exchange and phenolic hydroxyl amount are required.
当用腐植酸(HA)生产有机无机肥时,并非任何腐植酸均可用,如要保证其刺激作物生长和改良土壤等作用,对腐植酸的速效成分黄腐酸(FA)和棕腐酸(HyA)的含量、盐基交换量、酚羟基含量均有一定要求。
Under the natural ecological condition of rape field cultivation,effect on rape soil and dissolution in the base ions of K,Na,Ca and Mg with different pH of simulated acid rain was investigated by spraying and soil columns leaching experiments.
在油菜大田栽培的自然生态环境条件下,通过喷淋和土柱淋溶试验,研究不同pH模拟酸雨对油菜大田土壤K,Na,Ca和Mg等盐基离子溶出的影响。
Significant correlation between the total amount of four kinds of base ions in the leacheate and concentration of H + of acid rain is evident.
4种盐基离子淋失总量与酸雨的氢离子浓度呈极显著的正相关关系 ,淋失量 Ca2 + >Mg2 + >Na+ >K+ ,其中 Na+对酸雨的酸度最不敏感。
The effects of simulated acid rain on releasing base cations of red soil were studied with leaching experiments.
通过模拟酸雨淋溶实验,分析在不同酸度酸雨淋溶下红壤中盐基离子释放的规律和特点,研究红壤对酸雨的缓冲机制。
The results showed that amounts of leaching base cations increased obviously when the pH value of simulated acidic rain was lower than 3.
研究了模拟酸雨对我国南方主要土壤类型盐基离子淋溶的影响，结果表明，ｐＨ低于３。
Studies on the relation between coagulative property and basicity of polyaluminium chloride;
聚合氯化铝的盐基度与混凝性能关系研究
The polymerization and basicity of polyferric aqueous solution;
聚铁溶液的聚合与盐基度
Analysis and discussion of the basicity of polyaluminium chloride;
聚合氯化铝盐基度分析探讨