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soil leachate
相关语句
  土壤淋溶液
     A miscible displacement experiment of soil column was conducted to study the change of physical and chemic characters of the soil leachate under different CaSO_4 solution concentration levels.
     通过室内土柱混合置换试验探讨了不同CaSO4浓度水平下土壤淋溶液的理化性质的变化规律。
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  “soil leachate”译为未确定词的双语例句
     It is concluded that concentrations of available Fe, Mn and Al in soil and Mg, Mn and Al in the soil leachate in mason pine forest at Dinghushan were heavily affected by acid deposition.
     酸沉降对土壤有效Fe、Mn和活性Al以及土壤淋洗液中Mg2+、Mn和Al含量有显著影响.
短句来源
     Compared with the transfer dynamics of K and Na, changes in total P, Fe, Cu, Mn and Al concentrations in the soil leachate showed a contrary tendency.
     总P、Fe、Cu、Mn和Al含量持续上升.
短句来源
     Analysis of the soil leachate of mining dumping site contaminating groundwater
     排土场溶水对地下水污染的分析
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     Except for SO~(2-)_4,K~+,the other indexes of soil leachate have been influenced prominently by applied SCU.
     而硫包膜尿素处理除对土壤SO42-、K+淋溶影响不明显外,对其他指标的影响较明显。
短句来源
     Total K and Na content steadily reduced in the soil leachate, with the Ca and Mg content tending to decrease at first and then remaining stable.
     土壤淋洗液中,K+、Na+含量持续下降; Ca2+、Mg2+含量开始时下降,后趋于缓和;
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  相似匹配句对
     Biodegradation of landfill leachate in soil
     垃圾渗滤液在土壤中的生物降解动态
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     Manure leachate into the soil willcause groundwater pollution.
     污水渗漏造成地下水的污染;
短句来源
     MANGROVE AND IT'S SOIL
     红树林及其土壤
短句来源
     soil fertility;
     土壤肥力;
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     Treatment of Waste Leachate
     垃圾渗滤液的处理
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  soil leachate
Most interestingly, comparison with soil leachate showed that the average Hg/C ratios in the dissolved phase of the mor layers at both sites did not differ from the average Hg/C ratios in the overlying solid organic matter.
      
Instead, SO4 concentrations in surface soil leachate (LFH) appeared to be related to changes in soil moisture, and SO4 concentrations in LFH leachate increased dramatically in the summer, when warm dry periods were broken by rainstorms.
      
Temporal patterns of SO4 concentrations in soil leachate were significantly correlated with patterns in stream water, but expected relationships with deposition were weak.
      
Soil Leachate Responses During 10 Years of Induced Whole-Watershed Acidification
      
In trenched subplots where vegetative uptake was eliminated, NO3- concentrations in soil leachate (60 cm) rose to between 15 and 35 mg N L-1 in the first year and remained high in the second year.
      
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Contents of dissolved organic carbon in various water samples of river,well,surface runoff,and soil leachate from Yichun River Basin have been measured.A conceptual model for the origin of dissolved organic in the river water was developed.The kinetics of leachation process of water soluble organic carbon from surface horizon of upland soil was investigated based on soil column leachation experiments at various flow rates.It was demonstrated that the leachation of the water soluble organic...

Contents of dissolved organic carbon in various water samples of river,well,surface runoff,and soil leachate from Yichun River Basin have been measured.A conceptual model for the origin of dissolved organic in the river water was developed.The kinetics of leachation process of water soluble organic carbon from surface horizon of upland soil was investigated based on soil column leachation experiments at various flow rates.It was demonstrated that the leachation of the water soluble organic carbon sorbed on the surface of organic mineral complex occur in three steps of a) desorption from the surface of the complex into soil capillary pore water within granular structure; b)transfer into the gravitational pore water between granular aggregates through molecular diffusion and phase transfer,and c)being carried out of the soil matrix through convection flow.An equation including three corresponding additive terms was employed to model the process.The impact of flow rate on transfer coefficient constants was discussed.

测定了伊春河流域河水、井水、坡面漫流、土壤淋溶液等样品中的水溶性有机物含量,据此结果建立了河水溶解态有机物来源的概念模型。并根据不同流速条件下土壤水溶性有机物淋溶模拟实验的结果,探讨了水溶性有机物从山地土壤中淋溶的动力学过程。研究发现,吸着在土壤有机-矿质复合体表面的水溶性有机物的淋溶包括三个连续的动力学过程:即从复合体表面进入土壤毛管水的解吸作用,自土壤团粒结构内部转移到土壤重力水中的扩散和相迁移过程,以及被流动相携带淋溶的对流过程。这一物理模型可以表述为包括三个加和项的简单表达式,模型中的迁移速率常数与流动相线速度的某一方次成正比。

A Calcium Magnesium Phosphate fertilizer,produced from chromium residue,was use onto a Cd polluted soil,and the influrence of the fertilizer on soil leachate was detected.The results showed that the concentration of Cd and Cr in leachates was lower than the levels of pollution.The P contants in the leachates were so low as not to give significant adverse effects on the ground water,providing the application rates of the fertilizer...

A Calcium Magnesium Phosphate fertilizer,produced from chromium residue,was use onto a Cd polluted soil,and the influrence of the fertilizer on soil leachate was detected.The results showed that the concentration of Cd and Cr in leachates was lower than the levels of pollution.The P contants in the leachates were so low as not to give significant adverse effects on the ground water,providing the application rates of the fertilizer of 6.67,13.34 and 26.68 g/kg soil respectively.

报道了施用铬渣钙镁磷肥改良镉污染土壤对土壤渗漏水影响试验,结果表明在铬渣钙镁磷肥用量分别为6.67、13.34和26.68g/kg土时,土壤渗滤液未受Cd和Cr的污染,P的含量亦不会对地下水产生明显不良影响。

The allelopathic potential of Eucalyptus 12ABL was examined by way of bioassay with fresh leaf volatiles, leaf water extracts, leaf distillate oil, leaf distillate condensate and leaf distillate residue as well as rhizosphere soil leachate on seed germination and seedling growth of Phaseolus radiata Linn, Stylos anthes guianensis cv. Reyan No2., Glycine max(Linn.) Merr., Macroptilium atropurpureum (DC)Urban. The leaf volatiles under desicator environment showed considerable inhibitory effect on seed germination...

The allelopathic potential of Eucalyptus 12ABL was examined by way of bioassay with fresh leaf volatiles, leaf water extracts, leaf distillate oil, leaf distillate condensate and leaf distillate residue as well as rhizosphere soil leachate on seed germination and seedling growth of Phaseolus radiata Linn, Stylos anthes guianensis cv. Reyan No2., Glycine max(Linn.) Merr., Macroptilium atropurpureum (DC)Urban. The leaf volatiles under desicator environment showed considerable inhibitory effect on seed germination and seedling growth of the four recipient legume plant species. The leaf water extracts and the rhizosphere soil leachate did not only present certain inhibitory activity but also exhilarating effect as well, in that a 13 %, 2 % and 23 % higher in radicle growth was recorded in the treatments than the respective controls in case of Phaseolus radiata Linn., Glycine max(Linn.) Merr. and Stylosanthes guianensis cv. Reyan No2. The overall inhibition on seed germination and shoot and root elongation that occurred as a result of allelopathic effect, in decreasing order, the leaf distillate residue containing water soluble substances, the leaf distillate oil containing volatile substances, the leaf distillate condensate containing water soluble volatile substances, indicated that water soluble compounds may play more important role than volatile allelochemicals in the allelopathic potential of Eucalyptus 12ABL.

采用室内生物检测的方法研究了刚果12号桉叶片自然释放的挥发性物质、叶片水抽提物、叶片经水蒸气蒸馏所得的桉油、含挥发性水溶性物质的冷凝水和含水溶性非挥发性物质的渣汁3个组分以及桉树根际土壤水浸液对绿豆、大豆、柱花草与大翼豆4种受体植物的化感活性。结果表明:刚果12号桉叶片释放的挥发性物质对4种受体植物种子的萌发有强烈的抑制作用;桉叶水抽提物与根际土壤水浸液对绿豆、大豆、柱花草与大翼豆4种受体植物种子萌发与幼苗生长不但有一定抑制作用,而且土壤水浸液对绿豆、大豆和柱花草幼苗的根生长还有不同程度的促进作用,处理分别比对照高出13%、2%、23%。从桉油、冷凝水与渣汁3个组分的化感活性来看,渣汁的最强,桉油次之,冷凝水最低,即单位叶片中水溶性物质的化感活性比挥发性的高。这表明水溶性化感活性物质可能是刚果12号桉的主要化感作用物质。

 
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