While higher concentration decreased chlorophyll content, and the inhibiting effect increased as increased of heavy metal concentration.
随着重金属离子浓度增加，组培盾叶薯蓣叶绿素含量降低，其抑制效应随重金属浓度的增加而增强。
The results showed that Lower concentration of heavy metal increased chlorophyll content which was increased as increased of heavy metal concentration.
结果显示：当重金属离子浓度较低时，组培盾叶薯蓣叶绿素含量随重金属浓度增加而增加。
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。
Cynide Wastewater containing high concentration of 3%cynide and a variety of heavy metals is usually produced in the electro-plating and metal finishing processes.
电镀和表面处理工艺过程中常产生含氰浓度高达3％的废液，其中还含有各种重金属。
The invention discloses a novel method for treating waste water of heavy metal with low concentration.
本发明公开了一种较低浓度重金属工业废水处理的新方法。
The high concentration of heavy metal ion from landfill leachate restrains the growth and metabolize of microorganism badly in bio-chemical treatment of wastewater.
垃圾渗滤液中的高浓度重金属离子严重抑止了废水生化处理过程中微生物的生长与代谢。
Through the study of concentration of heavy metal in farmland from the city epigenetic irrigated area, the difference of their ability of beneficiation and health risks were analyzed and compared.
通过对试验区内玉米、小麦和土壤中重金属含量的研究，分析比较了作物对重金属的富集能力和健康风险。
Using the method of stepwise neutralization precipitation, the impurities of heavy metal ion in chrome plating effluent with high concentration are removed.
利用分步中和—沉淀方法去除高浓度镀铬废水中重金属离子杂质。
The principal environmental problem of landfill is leachate of which the water quality is complex, with high COD_ (cr) and high heavy metal ion concentration as well as high NH_3-N concentration.
生活垃圾填埋场对环境的主要影响是垃圾渗滤液，其水质复杂多变，具有高COD含量、高重金属离子和高nh_3 - N含量的特点。
Soil adsorption-desorption processes controlled the concentration of heavy metal ions, which was one of the main chemical processes.
土壤的吸附—解吸过程是控制土壤溶液中重金属离子的浓度的主要化学过程之一。
Potassium can alleviate heavy metal cr toxicity on the corn seedlings, and with the potassium concentration increased, the relief effect became more obvious.
所以在实际生产中合理施用氮、磷、钾等肥料对作物生长及缓解重金属毒害具有重要意义。
With the increase of concentration of time, the enrichment of heavy metal in the earthworm has been changed.
随着富集时间的增加，蚯蚓富集的重金属的量也随之发生波动。
The results show that, the more soil lead pollution concentration is high, the more heavy metal lead is absorbed by maize plant, and the more maize plant growth influenced is graveness.
结果表明：土壤重金属铅污染质量分数越高，玉米吸收重金属铅越多，对玉米的生长影响越大。
Preserved egg wastewater which contains high concentration of heavy metal, salt and organic pollutants is very complicated.
皮蛋废水水质相当复杂，既属于含重金属离子废水，又属于中等浓度含盐有机废水。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
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