1)  Column leaching
柱淋溶
2)  soil column leaching
土柱淋溶
1.
In this paper, a series of laboratory experiments, including batch equilibrium experiment, soil column leaching experiment and soil degradation experiment, have been adopted to scrutinize the transport behaviors of five Pyrethroids includes cypermethrin, decamethrin, .
本文选取5种拟除虫菊酯(甲氰菊酯、氯氰菊酯、溴氰菊酯、氰戊菊酯和三氟氯氰菊酯)为研究对象,通过一系列实验室实验(振荡平衡实验、土柱淋溶实验、土壤降解实验)研究它们在多介质环境中的迁移转化规律。
3)  water leaching in soil column
土柱淋溶法
4)  column experiment
柱淋洗实验
1.
A column experiment was preformed to study the effect of rhamnolipid excreted by a Pseudomonas aeruginosa strain on the bacterial transport of Pseudomonas aeruginosa in compost granule medium.
以铜绿假单胞菌(Pseudomonasaeruginosa)AB93066及其发酵生产的鼠李糖脂(rhamnolipid)为研究对象,通过柱淋洗实验考察了不同浓度鼠李糖脂对堆肥颗粒中单一菌属铜绿假单胞菌吸附传输情况的影响。
5)  soil column-leaching test
土柱淋滤试验
1.
Using soil column-leaching test,the leaching behavior of heavy metals in soils was studied in the process of EDDS or EDTA-enhanced phytoextraction,and the roles of high-biomass plants(corn and vetiver grass)on the decrease of heavy metals leaching were also examined.
采用土柱淋滤试验,研究乙二胺二琥珀酸(EDDS)和乙二胺四乙酸(EDTA)诱导植物修复过程中的土壤重金属淋滤行为,同时比较了香根草(Vetiveria zizanioidesL。
补充资料:化学淋溶
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性质:天然降水在下渗到地表风化壳或土壤的过程中,其所含的化学物质(主要有氧、二氧化碳、硝酸盐、硫酸盐和氯化物等)所发生的氧化、溶解和下渗的作用。易溶性盐类(如硝酸盐、氯化物)经淋溶会大量进入水中,下渗到土壤深层;难溶性盐(如钙、镁的碳酸盐)较难进入水中,且下渗距离小。研究化学淋溶作用,可了解化学物质在土壤、风化垂直方向上的迁移规律,如酸雨中含硫化合物对土壤污染的问题等。

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