土壤净化
- 网络Soil purification;soil sanitation
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城市污水致突变物活性及其土壤净化
Mutagenic Activity of Municipal Sewage and Degradation Effect of Soil
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金川湿地五种土壤净化硝酸盐能力的分析
Analysis of Purifying Capacity on Nitrate in Five Types Soil in JinChuan Wetland
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从地下水动力学观点出发,通过对水源环境调查、历史污染事故分析、土壤净化能力和弥散试验等工作,划分了洛阳市饮用水地下水源一、二、三级保护区。
By water source environment investigation , historical pollution accident analysis , soil purifying capacity and dispersion test , the primary , secondary and tertiary groundwater source protection areas were classified .
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污水的土壤净化系统以其费用低,无二次污染等优点,越来越成为国内外污水处理技术的研究热点之一,但是现有的污水土壤净化系统普遍存在占地面积大,水力负荷低等缺点。
Soil purification system because of low expenditure , without secondary pollution etc , increasingly become one of the hotspots of sewage disposal technical research . But at present soil purification system of sewage has disadvantage of large space , low hydraulic loading and so on .
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不同时期印度芥菜对镉污染土壤的净化效果研究
Studies on Brassica juncea purification of cadmium pollution soils in different stages
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建筑小区雨水径流的土壤渗透净化
Soil infiltration of stormwater runoff in residential quarter
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土壤过滤净化氮氧化物实验研究
Treatment of nitrogen oxide with soil filtration
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使用市场价格替代法、机会成本法和影子工程价格法等评估方法,对武夷山自然保护区森林涵养水源、保持土壤、净化空气、固碳制氧等服务功能进行初步估算。
The ecosystem function of water conservation , soil conservation , air purification , CO_2 fixation and O_2 ( release ), tourism of Wuyi Mountain were first evaluated by the methods of opportunity-cost , market price , shadow project price .
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土壤可以吸收净化生活污水中污染物,这种净化过程是在土壤生物参与下进行的,在净化生活污水的同时,土壤性质也发生了变化。
The soil can take up pollutants in the domestic wastewater with the help of microbes , the soil properties was also changed in the process .
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对高效藻类塘、一体化氧化沟、蚯蚓生态滤池和土壤毛细管渗滤净化系统四种实用工艺的特点和效果进行了介绍和分析,以供决策者参考。
The article introduces four kinds of applied technologies of domestic wastewater treatment , which include algal pool , oxidation pond , earthworm and ecological filter cell , and filtering and purifying system of roil capillary tube .
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用动态土柱法研究芦苇湿地土壤对苯酚的净化效果及其影响因素。
The study on the purification ability of reed wetland soil and influence factors of the phenol by dynamic method was conducted .
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结合国内外在土壤对污染物的净化规律的部分研究成果,探讨了中国城市雨水利用工作中存在的问题以及对策。
Bases on some researches on the laws of soil pollutants purification , the problems and countermeasures of the urban rainwater utilization in China were discussed .
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土壤气体抽排净化技术是一种安全、高效、经济的有机污染土壤治理技术。
Soil vapor extraction ( SVE ) is an acceptable remediation technology for soil contaminated by organic compounds , it holds security , high efficiency and economy properties .
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概括了影响土壤气体抽排净化技术净化时间的主要因素,包括土壤透气率、含水率、有机污染物气体饱和蒸气压、抽排流速、环境温度;
Major factors that influence remediation time of SVE , including air permeability , water saturation , vapor pressure , air flow rates and environmental temperature were described .
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采用动态箱模拟法研究了甲醛浓度、气体流量、光照强度对盆栽吊兰净化甲醛速率的影响,初步分析了吊兰茎叶和土壤对甲醛的净化贡献。
A dynamic chamber technique was employed to investigate the effects of formaldehyde concentration , light intensity and flow rate on formaldehyde purification from air by potted spider plant .
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在土壤中加入难溶态Cd5~40mg/kg条件下,印度芥菜对土壤的净化率为0.83%~1.25%。
The Cd purification rate of the soils by Indian mustard was 0.83 % to 1.25 % when 5 to 40mg / kg of insoluble Cd was added in soil .
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芦苇可以通过改变根际和非根际土壤性质以及溶液在土壤中的滞留时间,从而影响湿地土壤对苯酚的净化能力。
Through changing the residence time of solution in soil and physicochemical properties of rhizosphere , reed can disadvantageously affect the purifying efficiency of wetland soil to phenol .
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土壤微生物是陆地生态系统的重要组成部分,在土壤的形成与发育、有机质转化、生态系统平衡、土壤环境净化与生物修复等方面均起着重要的作用。
As an important part of the terrestrial ecosystems , the microbe plays important roles in a variety of ecological processes , including soil formation and development , organic matter transformation , balance of ecosystems , soil environmental purification , and bioremediation .