查询词典 leachate

In order to explore the feasibility of using native plant to evaluate and indicate water quality synthetically, we investigated the integrated evaluation and indication effect of Lemna paucicostata, an endemic species of Lemana in China to the water qualities of different sources（tap water, pond water pooled from rain rainwater uniquely, lake water received multiform sewage, and leachate）.

为探讨利用我国本土植物进行水质综合评价和指示的可行性，试验研究了我国特有的浮萍属植物——稀脉萍对不同来源水（自来水、雨水为唯一来源的池塘水、接纳多种排放废水的湖水及垃圾填埋场渗滤液）水质的综合评价和指示效果。

Landfill leachate is a kind of high concentration,slowly biodegradable organic wastewater with quantity of organic pollutants, heavy metals, virus and nosogenetic bacteria.

垃圾渗滤液是城市生活垃圾在卫生填埋或堆放过程中产生的一种高浓度难降解的有机废水，渗滤液中有机物浓度含量高、成份复杂、存在重金属离子及大量病毒和致病菌。

5The leachate recirculation promoted the speciation of Cu and Zn shift fromunsteady fractions (acid soluble fraction and reducible fraction) to steady fractions(oxidable fraction and residual fraction), and attenuated their migration.

不同时期不同深度填埋层内Cu和Zn形态的差异明显，填埋垃圾的好氧环境的暴露能促使Cu和Zn从稳定态向不稳定态迁移。

Levels of phylogenetically defined groups of methanogens and sulfate-reducing bacteria in the leachate of several landfills were determined by quantitative rRNA hybridization.

利用分子生物学方法，最近的一些研究发现厌氧处理系统中存在许多新的古细菌和真细菌16S rRNA基因序列（16S rDNA）。

The process of three-step countercurrentleaching is presented, in the first leaching step Fe as leading impurity inthe matte is leached priorly, Co and Ni are enriched in the residue of thefirst step and then are leached in the second leaching step with a lowconcentration acid, the residue from the second step containing hardleaching Fe, Co and Ni are leached with a high concentration sulfuricacid in the third step, and Cu stays in the final resude, the leachate of thethird leaching step is diluted and divided into two parts as the leachantsto the first and second leaching step.

在此基础上，提出了三段逆流选择性浸出技术：即第一段用低酸优先浸出钴冰铜中杂质铁，将钴镍富集到第一段的浸出渣中，第二段再用低酸浸出渣中部分钴镍，第三段用高酸浸出第二段渣中难浸的钴镍铁，将铜留在最终的浸出渣中，第三段浸出液经稀释，分流，分别返回至第一段，第二段作低酸浸出介质。

2Soil column leachate experiment shows, soil texture and soil section form are the main factors affecting the nitrate leaching; in soil organic fertilizer produce a nitrate leaching process, during five-month experiment, nitrate content has be increasing in leakage solution, organic fertilizer applying decrease the pH and increase the electric conduction of leakage solution, there is positive action between nitrate content in leakage solution and electric conduction, which shows that nitrate-N accumulation during organic fertilizer applying is one of the main factors for soil salification; for decrease the leaching of the nitrate-N in soil, in sandy moisture soil the best amount of organic fertilizer should be 7.5～ 15 t·hm~(-2), in Loamy moisture

在小麦-玉米轮作体系上投入化肥氮300kg·hm~(-2)N和有机肥22.3t·hm~(-2)折N261.2kg·hm~(-2，能使农田氮素收支达到平衡，在兼顾环境效益的基础上获得了较高的产量效益。并通过肥料效应函数和硝态氮累积效应函数进一步预测最佳施肥组合，即化肥氮施用量为N226.5kg·hm~(-2)，有机肥用量为39.9t·hm~(-2)折N466.8kg·hm~(-2，其中小麦季施化肥氮105.85kg·hm~(-2)N、有机肥30t·hm~(-2)折N351kg·hm~(-2，玉米季施化肥氮120kg·hm~(-2)N，有机肥9.9t·hm~(-2)折N115.8kg·hm~(-2。同时，磷素平衡分析表明，在施用有机肥的基础之上，化学磷肥的施用量应适量的减少或不施。

For landfill of Jinqianpu, if peripheral zone of yard is consisted of mild clay the longest transportation distances of CODcr and NH4+ are 56.5m and 25.75m respectively in the time limit of landfill stabilization;(5)The optimal dilution ratio of groundwater runoff volume and leachate is 7:1 to meet more over Ⅲ groundwater quality standard(GB/T14848-93);(6)To build numerical model. Using CL- as a simulation factor, the expansion with time of pollution plume was simulatively calculated when the concentration of CL- is 5000mg/L and 2000mg/L in Jinqianpu landfill by means of internationally general simulating software FEFLOW.

就金钱堡填埋场而言，若场地周围为试验亚粘土层，则在填埋场稳定化年限内和的最大迁移距离分别为56.5m和25.75m；（5）垃圾渗滤液与地下水混合稀释后地下水能够达到III类水质标准以上的混合比为地下水径流量与垃圾渗滤液入渗量之比为7：1；（6）建立污染质运移的数值模型，以为模拟因子，利用国际上通用的模拟软件FEFLOW模拟计算了金钱堡垃圾填埋场中浓度分别为5000mg/L和2000mg/L时在一系列年份对地下水污染晕的扩展。

The operation result of UASB combined with A-SOMBR treating leachate:when volumetrical loading rates were in the range of 0.76-1.61kgCOD/(m3·d), the average removal of COD was 82.66% and the average value of COD in effluent was 188.46mg/L;When volumetrical loading rates in range of 0.058-0.23kgNH3-N/(m3·d),the removal of NH3-N was 88.22% and NH3-N concentration declined to 27.02mg/L.

UASB+A-SOMBR组合工艺处理垃圾渗滤液的研究结果表明：在容积负荷0.76-1.61kgCOD/(m3·d)内，A-SOMBR对COD平均去除率为82.66%，出水COD平均值为188.46mg/L；在容积负荷0.058-0.23kgNH3-N/(m3·d)范围内，A-SOMBR对于UASB产水中氨氮平均去除率88.22%、出水氨氮平均值为27.02mg/L。

can be drawn by analyzing the experiment data:(1) With modeling indoor garbage column leaching test, the results indicated that the dynamic change of the pollution components of leachate display complex fluctuate attenuation; During the course of initial stages and middle stages, the garbage was decompounded quickly and gave out the quality concentration of pollutant maximally to the environments and the harm was also the most serious.

通过对试验数据进行整理分析，得出了如下结论：(1)通过室内垃圾柱淋滤模拟试验，结果表明淋滤液中污染组分的动态变化呈复杂的波动衰减；垃圾在填埋过程中，初期和中期降解速度很快，向环境中释放的污染物质量浓度最大，对环境造成的危害也最为严重。

A sudy is made on demineralizing the cloudiness and COD in landfill leachate by means of the pretreatment with polymeric-iron to create a good condition for the following biological treatment process and afforesting water reproduction.

在国内仍然是一个没有得到很好解决的难题。本课题主要研究采用聚铁预处理垃圾渗滤液中较多的浊度及COD，为后续生物处理及作为绿化用水创造良好的条件。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了