表明长安区表层土壤已出现重金属污染。
重金属污染是海洋沉积物污染的一个重要方面。
Heavy metals in Marine sediments can cause many serious pollution problems.
将非线性可拓综合评价方法应用于土壤重金属污染评价。
The nonlinear extension multi-factorial evaluation method is used to assess soil heavy metal pollution.
土壤重金属污染是全球面临的一个急待解决的环境问题。
Soil pollution by heavy metal has become a global problem urgently needed to be solved.
施用污泥及污水灌溉是造成土壤重金属污染的重要原因之一。
Irrigating soil with sludge and sewage is one of main reasons causing soil heavy metal pollution.
土壤重金属污染问题是环境和土壤科学研究者关注的热点问题。
Environment and soil scientists were paying more and more attention to the issue of soil heavy metal pollution.
目的：利用大孔螯合树脂建立一种新的中药重金属污染的处理方法。
AIM: To find new methods for heavy metals pollution in traditional Chinese medicine (TCM) with macroporous chelating resins.
将层次分析法进行了必要的改进，并应用于土壤重金属污染的评价。
The reformed AHP improved and applied in the assessment of soil heavy metal pollution.
电子废弃物拆解是导致的土壤和环境的重金属污染的一个重要人为因素。
Electronic Waste disassembling was an important factor causing soil heavy metals pollution.
本文研究了珠江口滨海湿地沉积物中的重金属污染状况及其生物有效性。
This article studied the heavy metal pollution condition in the sediments of the coastal wetlands at the Pearl River estuary.
利用化学分析原理对该污染区的重金属污染状况进行总体分布上的研究。
Chemical analytical principle has been used to research the polluting situation of heavy metals' distribution on the whole in the region.
土壤重金属污染的消失，除非地球进行强烈的地壳运动，把表层沉地地底。
The disappearance of metal pollution in the soil will come as the surface of the planet moves underground, unless the earth itself instigates extremely strong crustal movement.
苔藓植物对大气及重金属污染反应非常明显，可以作为良好的生物指示剂。
Bryophyte can sensitively response to the air and heavy metal pollution, and is a kind of bio-indicators.
重金属剖面分布特征可以在一定程度上反映水稻土的重金属污染积累程度。
The profile distribution can be indicative of soil heavy metal pollution in the paddy soils.
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。
Based on the dynamic equilibrium of input and output pollutants, a predicting mode for heavy metals in soil has been set up.
研究结果表明：垃圾堆肥具有促进作物增产的作用，并不会引起重金属污染。
Experimental results showed that refuse compost could increase yield of crops and could not cause heavy metal pollution.
城市灰尘重金属污染的研究应该成为我国城市生态环境研究的一个新切入点。
Research on heavy metal pollution of urban dust can be seen as a new breakthrough point for eco-environmental research of city.
20世纪90年代末以来，人们一直努力清理水道，重金属污染已经大大减少，里贝罗说。
Efforts to clean the waterway have led to reduced heavy metal pollution since the late 1990s, Ribeiro said.
重金属污染来源复杂，对中药产品中的重金属元素超标的原因及对策的研究势在必行。
The sources of heavy metals pollution are complex, so it is necessary to study the reasons and countermeasures of exceeded quota of it .
应用对应因子分析手段， 初步揭示了北京市边缘区土壤重金属污染的空间分异特征。
Meanwhile, the correspondence analysis method was employed to study spatial differentiation of metal heavy pollution of the studied soils.
重金属污染来源很复杂，对中药产品中的重金属元素超标的原因及对策的研究势在必行。
The sources of heavy metals pollution are complex, so it is necessary to study the reasons and countermeasures of over standard.
化学治理技术中，较详细介绍了壳聚糖在治理海洋沉积物中重金属污染的潜在应用价值。
And in the chemical control, the potential application of Chitosan in prevention of heavy metal pollution in Marine sediments was introduced in detail.
介绍了该领域研究的主要研究内容、主要研究方法和湖相沉积物重金属污染的评价方法。
It mainly discussed the research contents and the research methods in this field, and the evaluation methods of the environmental pollution of heavy metals in lake sediment.
人为因素、成土母质和不同流域水质差异是造成广东典型区域农业土壤重金属污染的原因。
The heavy metals pollution in agricultural soil of Guangdong is mainly caused by artificial factor, soil parent materials and the diversity of water quality in different area.
参照国家食品卫生标准和蔬菜质量分级标准，对蔬菜的重金属污染程度进行了安全性评价。
The safety of vegetable pollution by heavy metals was evaluated referring to national food hygienic and vegetable quality gradation standards.
本文阐述了矿区土壤重金属污染的评价方法和土壤重金属污染的植物、微生物的修复技术。
Ecological repair of the soil heavy metal pollution is one of the significant means that the pollution is remedyed.
本文阐述了矿区土壤重金属污染的评价方法和土壤重金属污染的植物、微生物的修复技术。
Ecological repair of the soil heavy metal pollution is one of the significant means that the pollution is remedyed.
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