通过模拟酸雨淋洗土壤，造成了土壤酸化和盐基流失。
Leaching of simulated acid rain into the soils causes soil acidification and release of base ions.
水分的脱盐效率随淋洗水量和入渗水矿化度的增加而减小，与土壤初始含水量无关。
The desalting efficiency of saline water decreased with increasing amount of leaching water and the concentration of saline water, but was independent of initial soil water content.
采用静态吸附过程和动态柱淋洗方法研究了不同模拟降水量下锌在土壤中的吸附和迁移。
The sorption and migration experiments of zinc in soils were studied by batch process and dynamic column elution method with simulated rainfall.
模拟试验表明，不同螯合剂只是对淋洗速度产生影响，而对滤液汞、土壤残留汞的影响不明显。
The simulated leaching tests showed no significant effects of different chelates on the content of mercury in leachate and the residual soil.
因此，适时适宜矿化度的海水养殖废水结合适当的淋洗分数补充灌溉耐盐植物，有效地增加了土壤养分，而盐分不会过量累积。
Therefore, we concluded using mariculture wastewater to irrigate salt-tolerant crop could increase soil nutrients, while the total desolved salts would not be excessively accumulated.
采用室内土柱淋洗试验方法，研究了污水灌溉条件下土壤碱度和石膏应用对土壤中重金属元素动态变化的影响。
Effects of soil sodicity and gypsum application on dynamical behavior of heavy metal elements under effluent irrigation were studied by means of soil column leaching method in laboratory.
本文研究了用酒石酸-甘露醇作淋洗液，氢氧化钠作再生液测定土壤和植物中硼酸的离子排斥色谱条件。
The conditions of ion exclusion chromatography was applied to the determination of boric acid in soil and plants were explored with tartaric acid - mannitol as eluent and NaOH as regenerant.
通过化学分析和土壤淋洗试验对广州城郊菜地土壤磷素特征和流失风险进行了研究和分析。
The phosphorus characteristics and loss risk assessment of vegetable garden soils in the suburbs of Guangzhou city were studied by chemical analyses and leaching experiment.
通过室内土柱淋洗试验，研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。
Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.
通过对苗期玉米的盆栽试验，探讨了在镉、锌污染土壤上施入不同量的有机肥并配合淋洗措施后土壤中镉、锌的形态转化、迁移规律和对植物生长的影响及改良效果。
This paper reports the amelioration of soils polluted by Cd and Zinc by organic matter and water leaching in a pot experiment using corn seedling as an index crop.
一定水氮供应条件下，露地生产蔬菜地土壤硝态氮有可能淋洗到1.8米土体以下。
Under a certain water and nitrate treatments, soil nitrate in open-land vegetable field would move down below 180cm soil.
环糊精溶液淋洗修复1,2,4 -三氯苯污染土壤的方法。
Method for eluting and restoring 1, 2, 4-trichlorobenzene polluted soil by cyclodextrin solution.
结果表明，酸雨淋洗造成土壤中铝离子释放；
The results reveal that the leaching of acid rain induces release of aluminum from the soils.
虽然淋洗前后土壤的基本理化性质发生了变化，但是土壤的毒性明显减弱，不对土壤的健康状况造成显著性影响。
Although physicochemical properties of soil has changed greatly after washing, toxicity of soil declines significantly and there is a low effect on health situation of soil.
结果表明：淋洗有利于土壤氮素的矿化过程，但淋洗频率过快并没有造成土壤氮素矿化量的显著增加。
The results showed that: leaching was beneficial to soil mineralization, but the accumulation of the nitrogen mineralized in the soils would not be higher with increasing of the leaching fre...
在春季河灌和汛期集中降雨淋洗的条件下 ，作物根层土壤不积盐 ；
In the condition of spring irrigation and concentrated rainfall, the soil desalinized in root zone, and the accumulated salt due to saline water irrigation can be leached;
本发明提供一种低成本，高去油率的石油污染土壤淋洗药剂、其配制方法和应用。
The invention provides a low-cost and high-efficient agentia for leaching petroleum-polluted soil as well as a preparation method and an application thereof.
本发明提供一种低成本，高去油率的石油污染土壤淋洗药剂、其配制方法和应用。
The invention provides a low-cost and high-efficient agentia for leaching petroleum-polluted soil as well as a preparation method and an application thereof.
应用推荐