Progresses in research on bioavailability of heavy metals in soil.
土壤中重金属的生物有效性研究进展。
The invention discloses a method for removing heavy metals in soil.
本发明公开了一种去除土壤中重金属的方法。
In the same acid system, the sequence of adding acid can influence the assay of heavy metals in soil, especially of Cr.
在相同的酸消解体系下，酸加入顺序对土壤样品中重金属元素测定有一定的影响，特别是对铬的测定影响较大。
Metal complexation by water-soluble organic substances may significantly influence the behavior of heavy metals in soil.
水溶解态有机物质与重金属离子的络合反应对土壤重金属化学行为的影响十分显著。
Based on the dynamic equilibrium of input and output pollutants, a predicting mode for heavy metals in soil has been set up.
根据污染物质的输入和输出动态平衡关系建立了土壤重金属污染预测模式。
In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.
近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
Soil DOM has important effects on the chemical and biological behaviors of heavy metals in soil plant system, but its mechanism is not identified.
土壤DOM对重金属化学与生物行为有重要影响，但其机理尚不清楚。
Modifier can inhibit the bioavailability of heavy metals in soil, in which the strongest inhibitory effect of lime, and lime have a fixed role of red phosphorus.
改良剂能够抑制土壤中重金属的生物有效性，其中石灰的抑制作用最强，同时石灰还有固定红壤磷素的作用。
Based on data of soil samples and supported by GIS technologies, this paper has discussed the relationship between origin of heavy metals in soils and spatial distribution in Xuzhou city.
为此，在土壤采样点数据基础上，利用G IS技术，对徐州市土壤重金属来源与空间分布关系进行了研究。
Root exudates could activate heavy metals in soil, and enhance their bio-availability by dissolving, chelating, deoxidizing, decrease migration of heavy metals by fixating and inactivating.
根系分泌物可通过溶解、螯合、还原等作用活化土壤重金属，提高重金属的植物有效性，或固定和钝化重金属，降低重金属的移动性。
The toxic buildup of lead, mercury, and other heavy metals in the soil and water near coal plants and smelting factories is not usually measured.
火电厂和冶炼工厂附近的土和水中所溶解了来自于铅，汞及其他重金属的毒性物质，这些毒性物质通常很难测量。
The results indicated that gold mine has bring heavy metal pollution of soil and that level of heavy metals increased with intensity of mine in Wolongquan River area.
结果表明，金矿开发已造成了卧龙泉河流域土壤生态环境的重金属复合污染，污染程度随开发强度的加大而增高。
The change of soluble and ionic heavy metal concentration in soil solution showed that, the activity and plant availability of heavy metals was higher than that of the check.
有机络合剂使得土壤溶液中可溶性与离子态重金属的浓度改变，反映了其活性与可利用性较对照不同。
To assess the pollution of heavy metals and metalloid in soil along road.
评价公路旁土壤中重金属和类金属污染。
Oxalic acid , citric acid, EDTA can activate soil heavy metals and promote heavy metals element enrichment in E.
草酸、柠檬酸、EDTA能有效活化土壤重金属，促进重金属元素在海洲香薷中的富集；
The plants growed in the soil polluted with heavy metals could alleviate the heavy metal poison by accumulation of proline and reduction of antiscorbutic acid content and so on.
生长在重金属污染土壤中的植物通过积累游离脯氨酸和降低抗坏血酸含量等途径来减轻重金属的毒害。
Heavy metals also threaten the growth of forests by disrupting the supply of nutrients in the soil.
通过破坏土壤中营养成分的输送，重金属也威胁着森林的成长。
Principal component analysis and stepwise regression were employed to characterize availability of heavy metals, microbial responses and their effect factors in the studied soil.
利用主成分和逐步回归分析了影响土壤重金属的有效性及其微生物学效应的因素。
The medium material, sealing soil in low contents of heavy metal and enlarged stipe strain were key to measure of approaching to lower contents of heavy metals in fruit body.
选择重金属低污染的培养料、覆土土壤和粗柄型菌株是实现姬松茸子实体重金属低富集的关键措施。
In further study, sequential extraction and usage of radioisotopes should be combined with isotherm analysis, and the investigation of heavy metals adsorption by rhizosphere soil should be stressed.
在今后的土壤吸附研究中应该结合形态分析和放射性同位素示踪的方法，并加强对根际土壤这一新领域的研究。
The differences of average contents and the variable coefficient of the heavy metals in different types of soil are smaller.
不同土壤类型平均重金属含量和变异系数差异均较小。
The heavy metals were irregularly distributed in soil profiles.
重金属在土壤剖面分布没有规律性；
Due to the high organic content of dredged soil, its ability to adsorb various contaminants such as heavy metals warranted an investigation of its use in clay liner of landfill.
充分利用疏浚土有机质含量高、吸附能力强和低透水性等特点，将其作为填埋场粘土衬垫的添加材料。
Background data of 8 heavy metals in agricultural soils classified according to soil basic categories and limited within a suburban district were studied.
以县区为单位，以土属为单元，对农业土壤中8种重金属元素背景值进行研究。
But the atmosphere, water, soil sample of garlic production base need to detect in order to ensure the heavy metals and pesticide residue of garlic in the safe range.
但生产基地的大气、水质、土壤需取样检测，达到规定的质量标准，才能保证生产的大蒜的重金属和农药残留等符合安全指标。
In recent years, a great deal of studies about the management of soil heavy metals pollution by using silicon fertilizer sprang up.
近年来，以硅肥作改良剂对重金属污染的土壤进行治理的研究大量涌现。
Long term application of the fertilizer will supplement the soil with organic matter and the heavy metals in the fertilizer wil not pollute the soil environment.
长期施用，可补充土壤中有机质，且肥料中重金属元素不会引起菜地环境的污染。
The mobility, the bioavailability and the toxicity of heavy metals in the soil depend on their specific chemical forms and on their binding state.
土壤中重金属的赋存形态决定其在土壤中的迁移性、生物可利用性以及毒性。
Source and effect of Protected vegetable base soil heavy metals pollution on vegetable quality were studied in this article, and the control methods of heavy metal pollution was expounded carefully.
本文综述了重金属污染现状，各种污染金属的来源，重金属对蔬菜品质产生的影响，并着重阐述了重金属污染的防治方法。
Source and effect of Protected vegetable base soil heavy metals pollution on vegetable quality were studied in this article, and the control methods of heavy metal pollution was expounded carefully.
本文综述了重金属污染现状，各种污染金属的来源，重金属对蔬菜品质产生的影响，并着重阐述了重金属污染的防治方法。
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