查询词典 heavy metal

ResultThe results showed that it had good results of removal heavy metal ions from wastewater using chaff xanthogenate when the pH value was neutral or alkaline, the reaction temperature was 40℃. Ions concomitance was good for removal heavy metal ions.

结果］结果表明，在pH值为中性或碱性，反应温度为40℃时，谷壳黄原酸盐对重金属离子具有较好的捕集效果；离子共存有利于重金属离子的捕集。

Arboreal plant Paulownia fortunei, Ulmus pumila and Broussonetia papyrifera had relatively higher complex ability to accumulate heavy metal.Cedrus deodara, Platanus acerifolia and Ligustrum lucidum also had some complex ability to accumulate heavy metal. These species could be selected as the greenery tree as well as purified tree in the area. Among the herbaceous plants, the accumulation ability of Cynodon dacytlon was better than others.

经对比筛选，木本植物中泡桐、白榆和构树具有较高的重金属综合富集能力，雪松、悬铃木和女贞等树种亦有一定的富集能力，这些树种可被选为该区净化重金属污染的绿化树种；草本植物中，狗牙根的富集能力大大超过其他草本植物。

In this study we use the oligomers of amino ethylene series as matrix and introduce dithiocarbamate group to adsorb merely heavy metal ions. Because of its special structural characteristics , dithiocarbamate can combine with a great number of heavy metal ions to produce insoluble complex compound except for alkali metals and alkaline earth metals.

本研究系将氨基乙烯系列之寡聚物(oligomers of amino ethylene series)当做基质引入只对重金属离子具有特殊螯合能力之荒酸盐，除了与碱金属及碱土族外荒酸盐与其他重金属离子都能形成不溶性错合物。

The accumulation factors of heavy metal in different kinds of leafy vegetables decreased with the increase of the extractable heavy metal concentration, which can be described best by the exponential equation y=ax(superscript b.

不同品种蔬菜对各重金属的富集系数随可提取态重金属含量增加呈幂函数形式递减，且递减趋势与土壤中可提取态重金属含量范围密切相关。

The actuality of remain of pesticide、heavy metal and toxicant in T. chinensis var. mairiei The remain of pesticide、heavy metal and toxicant in T chinensis var. mairiei was investigated by GC according to the method 5.0 in European pharmacopoeia. The results showed that the kinds of pesticide remained contain: organic chlorin、organic phosphorus. The other pesticide remained were not detected. The remain of cuprum、arsenic、cadmium、hydrargyrum and plumbum and bacterium were less than the maximal capacity in the administration of food、tobacco goods、cosmetic and other commodity.

结果显示，南方红豆杉中检出的农药残留品种有：有机氯类农药滴滴涕总量0.0584mg／kg和六六六总量0.0245mg／kg、有机磷类农药毒死蜱0.0556mg／kg，其他类农药残留均未检出，南方红豆杉中农药残留水平偏低；南方红豆杉中铜、砷、镉、汞、铅5种重金属及细菌等有害物质的残留量均低于欧洲《食品、烟草制品、化妆品和其它日用品管理法》中规定的农药、重金属及有毒物质最大残留限量。

It is therefore considered that magnetic susceptibility is an effective indicator for variation in heavy metal concentrations, and may serve as a new method for studying heavy metal pollution.

磁化率是重金属含量变化的一个有效指数，它的研究为重金属污染研究提供了一个新的方法。

The research analysed the current status and pollution treatment research review from municipal refuse output, waste physical component, hazards, heavy metal pollution. On the basis of overall understand of current treatment situation about main municipal refuse landfill site of Fujian province. By the simulated test, utilizing 7 kinds of physical adsorbents (zeolite, incineration ashes, slag, plant ash, charcoal, ochre, active carbon), 4 kinds of chemical flocculant FeSO_4, AlCl_3, FeCl_3, Al_2(SO_4_3, and 3 kinds of hyclrophytes, we carried through the pollution removing study of heavy metal in landfill leachate and discussed removing effect of different physical adsorbents, chemical flocculant and hyclrophytes.

并在对福建省主要城市生活垃圾的处理现状全面了解基础上，通过室内模拟试验，分别利用7种物理吸附剂(沸石、焚烧灰、炉灰、草木灰、木炭、赭石、活性炭)、4种化学絮凝剂FeSO_4、AlCl_3、FeCl_3、 Al_2(SO_4_3和3种水生植物进行垃圾渗滤液中重金属的污染去除研究，比较不同物理吸附剂、化学絮凝剂和水生植物对垃圾渗滤液重金属污染的去除效果，试图从中筛选出治理成本低和治理效果好的城市垃圾渗滤液重金属污染修复技术，供南方城市垃圾处理场推广应用。

The pollution of heavy metal was different. Concentration of Cu, Zn, Ni, Co were low and Pb, Cd were high, which only can reach the national surface water body quality standard Ⅴ(GB3838-2002).The restes of heavy metal were excelled water body quality standard Ⅱ.

阳离子以钙为主，阴离子以硫酸根为主；重金属中Pb、Cd含量高，各点位平均值仅能达到Ⅴ类水质标准(GB3838-2002)，其余重金属浓度均优于Ⅱ级标准。

All measured heavy metal concentrations in roadside soils of Beiyan road,which had sparse protection forest,decreased exponentially with the increase of distance from the road; the maximum heavy metal value appeared within the distance of 15 m from Beiyan road.

公路防护林体系较差的北沿公路路侧土壤纵向剖面重金属含量随距路肩距离增加呈指数下降，土壤重金属重污染区在距路肩15 m范围内。

A study on heavy metal pollution of water,bottom mud of river, and agricultural land soil was conducted in lower reaches of the smeltery. It indicated that heavy metal pollution in lower reaches of smeltery changed regularly and a mathematical pattern was suggested.

摘要研究冶炼厂下游河道水质、河底污泥、农田土壤的重金属污染状况，明确了冶炼厂下游环境的重金属影响的变化规律，提出了冶炼厂下游土壤重金属污染的数学模型。

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。