重金属

Heavy metal mercury and metalloid arsenic are listed toxic elements in environmental science.

重金属元素汞和准金属元素砷在环境科学中均在有毒重金属之列。

According to the results of correlation analysis and the results of former research, the metal ions were thought to have little influence on the microfauna community in the two sewage treatment plants.

结合前人研究结果以及本研究所做的微型动物群落与重金属离子浓度的相关分析，可以认为重金属离子对两个污水处理厂活性污泥系统中微型动物群落影响不大。

Based on these, some typical groups of MSW were collected and analyzed.

在此基础上，收集了一些典型的城市垃圾组分，分别对其作了工业分析和元素分析，测定了其中重金属汞的含量，分析了我国垃圾中可能的重金属来源。

The addition of MCMP had not only ensured the water quality of treated effluent to be up to first-class B of "Discharge standard of pollutants for municipal wastewater treatment plant"(GB18918-2002), but also achieved the removal of N and P effectively. Based on surveying the content of heavy metals, the T-Hg is about 81% higher, the TAs is about 110% higher, the TNi is 46% higher, the TK is 24% higher, the TP is 7% higher, the TCr is 64% lower, the TN is 29% lower. The MLVSS/MLSS is lower. The SVI value is from 19.3 to 26.23. This method needed no changes for wastewater treatment process and operation pattern, the extra consumption of power was also needlessness.

但同时发现，总汞较试验前提高81%，总砷较试验前提高110%，总镍较试验前提高46%，总钾较试验前提高24%，总磷提高7%；总铬较试验前减少64%，总氮减少29%，污泥的MLVSS/MLSS值略有降低，SVI值从19.3增加到26.23，为了保证排放的污泥中重金属含量不超标，在以后的实际生产运行中，需要定期以排泥形式排出含重金属等污染物的污泥，以保证污水处理的正常运行。

Factors including pH, concentrations of heavy metals, dosages of minerals, ionic strength and temperature were studied and the results indicated that nepheline syenite and olivine had significantly higher capacity of absorbing heavy metal ions than glacimarine clay since they possessed stronger neutralization ability to acidic solution.

考察的因素包括溶液pH值、重金属离子浓度、矿物用量、离子强度、温度等，并得出结论，霞石正长岩和橄榄石吸附重金属离子的能力明显强于冰海粘土。通过理论分析表明，导致这一现象的原因为霞石正长岩和橄榄石对酸性溶液具有更强的中和能力。

With the different dead forms of planarian, the results suggested that these kinds of ions be divided into three types, and planarian be used as a bioindicator for heavy metal pollution.

试验结果表明：这些重金属的作用应属于3种类型，涡虫作为重金属污染的指示生物基本可行。

The study contains four sections:(1) growth-impact and toxic-symptom of single and compound pollution of Cd and Pb in soil of potherb mustard;(2) effects of different fertilizations on biochemical and psychotic response of potherb mustard;(3) effects of different fertilizations on photosynthetic characteristics of potherb mustard ;(4) effects of different fertilizations on biological effectiveness of heavy metals in soil.

本文主要研究内容包括四个方面：(1)不同水质污水灌溉对雪里蕻生长及其吸收重金属的影响；(2)不同调控措施对雪里蕻生理生化特性的影响；(3)不同调控措施对雪里蕻光和特性的特性的影响；(4)不同调控调控措施对土壤重金属生物有效性的影响。

As a heavy metal precipitant to remove metal from waste water streams.

快速有效将多种重金属同时沉淀，去除废水中重金属。容易使用。

The natural releasing processes of Pb, Zn and Cd in the slags can be primely described with minus-exponent equation.

长期的风化淋滤作用对重金属的释放有影响，矿渣层的重金属含量随时间的增长而递减，其自然释放过程可用负指数方程描述。

This study was conducted in Taiyuan sewage irrigation area from 1997 to 2000.The research process included field investigation, sampling, lab test, model experiment and data analysis by geo-statistics method. The source, affecting factors, content condition, transference regularity, spatial distribution of heavy metal in sewage irrigation area were studied. The results showed that mercury, cadmium and lead contents of soil were higher than soil background value.

本文以在中国北方具有代表性的太原污水灌溉区为研究对象，污灌区位于山西省中部的太原盆地北端，总面积2.7万公顷，在研究区共布土样点49个，粮食作物样33个，水样点26个，大气样点6个，通过实地调查取样监测和室内模拟试验，采用地统计学和多元统计等方法，系统研究了污灌区土壤-作物系统中重金属Hg、Cd、Pb的来源、含量状况、累积影响因素、空间分布特征、迁移转化规律、重金属环境容量的区域分异与应用等内容。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。