植物修复技术是优秀的土壤镉污染治理技术,近两年来成为研究热点。
Recently, plants remediation has been a focus of attention because it is an excellent technology in the field of harness of soil polluted by cadmium.
本发明涉及一种土壤改良的方法,具体为一种钝化修复土壤镉污染的方法。
The invention relates to a method for improving soil, in particular to a method for restoring cadmium pollution of soil in a passivation mode.
施用过污泥和长期污水灌溉,土壤镉污染严重的农田不应再种植蔬菜和水稻。
Heavy cadmium-polluted fields with long-term sewaging should not be vegetable and rice lands.
认为施加有机肥是缓减土壤镉污染危害的有效措施,且施羊粪的效果比施泥炭好。
The study shows that organic fertiliser could reduce the hurt of soil "cadmium-pollution and the effect of goat feces is better than peat."
然后采用“311—a”最优混合设计,研究碳酸钙、钙镁磷肥、胡敏酸组合配比对治理土壤镉污染的效果。
And then, "311-a" optimum compound design was used to study on remediation of cadmium contaminated soil with calcium carbonate, calcium magnesium phosphate and humic acid.
本文阐述了重金属镉对植物和人体危害的机理,描述了土壤镉的主要来源,并开展了城郊及矿山周围土壤镉污染现状调查。
This article depicts hazard mechanism of cadmium to plant and human, main sources of cadmium in soils, and investigations on cadmium pollution in city-outskirts and around mines.
针对目前的土壤镉污染的问题,总结了土壤中镉污染的来源及其对人体和植物体产生的危害,并在此基础上介绍了目前土壤镉污染的整治方法。
This paper has summarized the sources of Cd pollution in soil and its influence to human being's bodies and plants, meanwhile, introduced the present methods of its treatment.
干电池基本上是由镉、铅、汞制成的,这种混合物是有毒的,如果泄漏到土壤或水源中,就会导致致命的污染。
Disposable batteries typically contain a cocktail of cadmium, lead and mercury. This mixture is toxic and, when leaked out into soil and into water supplies, causes deadly pollution.
镉是污染土壤的重金属元素之一。
Cadmium is one of the heavy metals which will pollute the soil.
结果表明各航道底泥中重金属除铅以外,含量均超过《土壤环境质量标准》中的二级标准,其中镉的污染最为严重。
The result showed the heavy metal content in bed mud was over Soil Environmental Quality Standard Two except Pb, in which Cd pollution was the most significant.
重金属镉的形态多以可交换态存在,有利于治理污染和土壤修复。
Many heavy metal Cd exits in exchange condition, which is advantageous to the research of pollution repair and is more advantageous to the government pollution.
本文主要研究了取自浙江省绍兴市某铅锌矿污染矿区的污染土壤中铅、锌、铜、镉在不同粒级的颗粒态有机物(POM)的分布。
The distribution of heavy metals in different size fractions of particulate organic matter(POM) in polluted soils around a zinc-lead mine in Shaoxing, Zhejing Province was investigated.
结果表明目前土壤未被重金属镉污染。
The results represent that the soil is not polluted by cadmium ion.
研究EDTA(乙二胺四乙酸钠)对在镉污染的土壤中不同镉富集类型水稻品种生长和发育的影响。
The study aimed to discuss the law of the effect of applying EDTA in the cadmium-polluted field on the growth of rice.
镉污染土壤上添加稻草,抑制水稻生长,但不显著影响产量和糙米中镉含量。
On Cd polluted soils, rice straw inhibited the growth of rice without significant effect on the yield and Cd contents of the grains.
由于烟草的生物量大,叶片容易收获,在镉污染土壤的植物修复中有很大的应用潜力。
Due to the high biomass, high ability to accumulate cadmium and easiness for harvesting, tobacco has a great potential for application in phyto-remediation of cadmium polluted soils.
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.
综述了镉在环境中的分布、污染来源及其在土壤中的迁移转化规律,着重讨论了镉在土壤中的赋存形态、生物有效性以及提取方法的现状和进展。
Progress in distribution, sources and transportation of cadmium in soils are summarized. The occurrence, bioavailability and extraction methodologies for cadmium in soils are discussed in this paper.
在单一镉污染土壤中,土壤中各形态镉含量均随着外源镉浓度的增加而增加。
Contents of various species of soil Cd increased with increasing external Cd concentrations.
而镉在土壤中的积累显著,污染严重,污灌区镉污染应引起重视。
But the accumulation of Cd was high. The cadmium pollution was serious.
本发明涉及污染土壤的植物修复强化技术领域,具体地说是一种螯合强化植物修复镉污染土壤的方法。
The invention relates to the technical field of plant repair and enhancement of polluted soil, in particular to a method for repairing cadmium-polluted soil by using chelate-enhanced plants.
因此,馒头柳适宜用作镉污染土壤的修复。
S. matsudana would be a suitable plant for the phytoremediation of Cd-polluted soil.
采用均匀设计,研究胡敏酸钠对镉锌复合污染土壤的降毒研究。
Study on fluorescence spectroscopy characteristics of humic acid by inoculating microbes on municipal solid waste composting;
采用均匀设计,研究胡敏酸钠对镉锌复合污染土壤的降毒研究。
Study on fluorescence spectroscopy characteristics of humic acid by inoculating microbes on municipal solid waste composting;
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