尾矿

基本解释 (translations)

deads

与尾矿相关的网络例句 [注：此内容来源于网络，仅供参考]

Meanwhile, the concentration of Pb,Zn and other heavy metals is rather high in the oxidation zone and decreasesdownward to levels that are unbelievably low for Pb-Zn mine tailings. Theseobservations suggest that heavy metals should be re-immobilized by secondaryminerals, rather than primary minerals, in the oxidation zone, and could be leachedout from suboxic environment due to low rate oxidative dissolution which preventsthe precipitation of secondary minerals in significant amount. Thus, cover scenarioswhich establish a suboxic environment beneath the cover layer might not always beeffective in preventing heavy metal release from mine tailings.Sequential extraction studies indicate that, in addition to heavy metal leaching,oxidation of the mine tailings increased the mobility of residual Zn, and Cu, while Pb remains immobile due to the formation of anglesite (PbSO4). Using the seven-step extraction technique developed by Dold (J. Geochem. Explor., 2003, 80: 55-68), galena dissolves in significant amount at step 2 most probably due to the strong complexing of Pb2+ by acetate, while other metal sulfides dissolve at step 6, which suggest that this extraction technique could not be used to evaluate the mobility of lead in natural environment

重金属含量均低于新鲜尾矿，但以硬化层中的含量最高(Pb、Zn含量分别为0.47%和0.93%)，往下大幅度降低，表明尾矿风化过程中形成的次生矿物对Pb、Zn等重金属元素有较强的固定作用，而次氧化带的淋溶作用造成了金属元素的大量流失；(4)与新鲜尾矿相比，硬化层中铅的可迁移性大大降低，硬化层之下尾矿样品中铅的可迁移性也不同程度降低，这是由于硫化物氧化产生的硫酸根与尾矿中的铅反应形成铅矾(PbSO_4)的缘故；(5)氧化作用使尾矿中的zn、Cu等重金属的可迁移性不同程度地增大，其中对锌的可迁移性影响最大，铜的可迁移性与铁比较相似，铅则容易与硫化物氧化形成的SO_4~(2-)反应形成铅矾(PbSO_4)；(6)为了减少尾矿污染和修复矿山环境，人们提出了各种不同的尾矿覆盖方案，本文的研究结果表明，这些方法不一定能够有效地阻滞污染元素的迁移。

General procedure for liquation experiment of tailing dam s has been generalized,that is,preliminary identification has to be done for tailing dam s according to Design Code for seismic building's identification conditions.

概述尾矿坝液化试验判别的一般步骤，即根据《建筑抗震设计规范》中的初判条件对尾矿坝土层进行初判，在尾矿坝土层不满足初判的条件下，利用标准贯入试验对尾矿坝是否存在液化危害进行复判。

The results showed that the heavy metals in various mediums were mainly Cu and Ni, and those concentrations were, in the descending order, in ditch, tailings, slagheap and cultivated soil. In the tailings and the sludge of the ditch, the concentrations of Ni were obviously higher than those of Cu. Whereas, in the soil and the weathering and atmospheric deposition of the waste slagheap surface, the concentrations of Cu were higher than those of Ni. This means that in the first two mediums, Cu and Ni mainly originated from the tailings, while in the latter two mediums, Cu and Ni mainly came from the atmospheric deposition of airborne particles of the smelting. Cr and Zn were mainly in residual fraction, Cu was mainly in oxidizable and residual fraction.

结果表明：不同区域环境中重金属呈现不同程度累积，其中以Cu、Ni最为显著，含量由高到低依次为尾矿坝排污沟＞尾矿坝＞废渣堆＞农田土壤；尾矿砂和沉积物中重金属分布以Ni含量显著高于Cu含量为特征；而农田土壤和风化物及降尘中重金属分布以Cu含量高于Ni含量为特征，前者Cu、Ni主要来源于尾矿，后者与冶炼烟尘排放有很大关系；样品中除Cr、Zn以残渣态为主外，Cu、Ni、Pb化学形态分布有较大差异，Cu以可氧化态和残渣态为主，Ni以可还原态为主，其次为弱酸提取态，Pb以可还原态为主，其次为残渣态。

Environmental pollution tailings brought about and significance of comprehensive utilization of tailings acted in environmental protection are briefly discussed.

简述了尾矿对环境造成的污染以及综合利用和环境治理的意义，介绍了矿物聚合材料的构成、特性以及聚合反应机理，论述了尾矿在聚合材料中应用的研究状况，对尾矿制备的矿物聚合材料的应用前景作了展望。

In order to investigate the succession of soil microbial community with ecosystem development, soil samples of three successional stages (i.e., barren stage, cryptogamic crust stage and herbaceous vascular plant community stage) from two tailings wastelands (Yangshanchong tailings wasteland discarded in 2001 and New Tongguanshan tailings wasteland discarded in 1991) were collected and soil microbial biomass was determined by methods of typical plate culture' and molecular biology.

该研究以2处（即，铜陵杨山冲尾矿废弃地和铜官山新尾矿废弃地）不同时期弃置的、处于3个演替阶段（原生裸地阶段、隐花植物结皮阶段和草本维管植物群落阶段）的铜尾矿废弃地为研究对象，利用传统培养法和分子生物学法相结合的手段对土壤微生物量和土壤微生物群落结构变化及其影响因素进行了调查。

Coefficient of permeability is one of the main parameters that affect the embedment of the phreatic line or the stability of the tailings dam.

分别对取自尾矿坝区的4种尾矿料进行颗粒分析试验、原状土与重塑土渗透试验、尾矿浆水渗透试验，分析了颗粒级配、孔隙比及时间对尾矿料渗透系数的影响。

In order to simulate the fines content effect on the liquefaction properties of tailings, the tailings were sieved and then were mixed according to different fines contents to prepare samples.

为了模拟沉积分选后颗粒组成的变化对尾矿材料的动力特性的影响，尾矿筛分后按不同的细粒（颗粒直径小于0.074mm）含量制备尾矿试样，并进行了大量的土动力学试验。

The utilization proportions are more than 70%. But the composition of gangues is complex and their melting point is high, so that they must be added additives to reduce their melting point.

论文中采用的福建沙县田口钾长石尾矿和北京平谷金矿尾矿两种尾矿中二氧化硅(SiO_2)含量高，可以用于制备玻璃，为制备泡沫玻璃提供主要原料，尾矿的利用率达到70％以上。

In order to alleviate the negative influence of gangue to the envircnment, and to realize the utilization of gangue as a resource, an investigation on technique process for manufacturing building materials with gangues of V-Ti-mangneticle from Panzhihua as raw materials has been carried out. Firstly, the tentative researches in laboratory were put up.

本研究是以攀枝花钒钛磁铁矿尾矿为主要研究对象，解决尾矿作为原料生产砖等建筑材料的技术问题，实现尾矿资源化，达到减轻尾矿对土地的占用和环境影响的目的。

The anisotropies and heterosphere of tailing sands have great influence on the permeability. And it can decrease the permeability of tailing sands. The results also show that the permeability of coarse tailing sands and fine tailing sands are bigger than that of tailing sand.

尾矿的各向异性和非均匀性对尾矿的渗透性有很大影响，试验结果显示粗、细尾矿的渗透性都要大于全尾矿的渗透性。

与尾矿相关的网络解释 [注：此内容来源于网络，仅供参考]

tail box：尾矿槽

tail-board 尾板,后挡板 | tail-box 尾矿槽 | tail-coverts 覆尾羽

concentrate cyanidation tails：精矿氰化尾矿

concenter | 集中于一点, 集合 | concentrate cyanidation tails | 精矿氰化尾矿 | concentrate on | 集中, 全神贯注于

ettle：尾矿

ether 醚 | ettle 尾矿 | eucairite 硒铜银矿

flotation tailing：浮选尾矿

heading chisel 榫凿, 框架凿, 大头凿 | flotation tailing 浮选尾矿 | boning 剔骨

gangue：脉石,矿石,尾矿

gold nugget 块金 | gangue 脉石,矿石,尾矿 | prospector 探矿者

horsetail ore：马尾矿

cladonia tundra 石蕊冻原 | horsetail ore 马尾矿 | pashadom 帕夏的身分[官衔]

horsetail ore：马尾矿,马尾状矿脉

horsetail fissure 马尾状裂隙 | horsetail ore 马尾矿,马尾状矿脉 | horsetail shape 马尾状

tailing：尾矿

tailboard 溢吝 | tailing 尾矿 | tailing elevator 尾矿提升机

tailings：尾渣; 尾矿

tail recession 尾水消退 | tailings 尾渣; 尾矿 | tailings pond 尾矿池; 尾水池

tailings pond：尾矿池; 尾水池

tailings 尾渣; 尾矿 | tailings pond 尾矿池; 尾水池 | tamper 干扰; 暗中破坏