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wetland
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  湿地
     Study on Digitalization and Exploitation of Eco-Tourism Resources in the South Dongting Lake Wetland
     南洞庭湖湿地生态旅游资源的数字化和开发研究
短句来源
     Structure, Function and Services of Estuarine Wetland Ecosystem: A Case Study in Yangtze Estuary
     河口湿地生态系统结构、功能与服务——以长江口为例
短句来源
     Effect of the Tidal Flat Sediment in Changjiang Estuary Wetland on the Content of Nitrogen and Phosphorus in Water
     长江口潮滩湿地底质对水体氮、磷营养盐含量的影响
短句来源
     Study of Yangtze Estuary Tidal Wetland Environmental Information System
     长江口滨岸湿地环境信息系统研究
短句来源
     The Study of Ecological Planning for Wetland Park in Chongming Dongtan Nature Reserve, Shanghai
     上海崇明东滩湿地公园生态规划研究
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  湿地
     Study on Digitalization and Exploitation of Eco-Tourism Resources in the South Dongting Lake Wetland
     南洞庭湖湿地生态旅游资源的数字化和开发研究
短句来源
     Structure, Function and Services of Estuarine Wetland Ecosystem: A Case Study in Yangtze Estuary
     河口湿地生态系统结构、功能与服务——以长江口为例
短句来源
     Effect of the Tidal Flat Sediment in Changjiang Estuary Wetland on the Content of Nitrogen and Phosphorus in Water
     长江口潮滩湿地底质对水体氮、磷营养盐含量的影响
短句来源
     Study of Yangtze Estuary Tidal Wetland Environmental Information System
     长江口滨岸湿地环境信息系统研究
短句来源
     The Study of Ecological Planning for Wetland Park in Chongming Dongtan Nature Reserve, Shanghai
     上海崇明东滩湿地公园生态规划研究
短句来源
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  “wetland”译为未确定词的双语例句
     Results show that evapotranspiration load of the surface flow reed wetland is 0.9-1.12 m3/(m2·a) and the COD surface load is 0.65-0.786 kg/(m2·a) when the inlet COD concentration of the wastewater is around 800 mg/L.
     结果表明,当进水COD浓度为800mg/L左右时,表面流人工芦苇湿地的蒸散负荷为0.9~1.12m3/(m2.a),COD面积负荷为0.65~0.786kg/(m2.a)。
短句来源
     The order of the absorbance index of the wetland is Mn>N>P>Zn>Mg>Cu>Ca>Fe>K.
     它们的吸收系数的排序是 :Mn>N>P>Zn>Mg>Cu>Ca>Fe>K;
短句来源
     the average removal efficiency of TN and TP by constructed wetland are 56.9% and 60.5%.
     植物净化系统对TN和TP平均去除率分别为56.9%和60.5%。
短句来源
     The order of the utilization factor of this wetland is: Mn>N>P>Zn>Mg>Cu>Ca>Fe>K;
     几种营养元素的利用系数的排序是 :Mn>N>P>Zn>Mg>Cu>Ca>Fe>K;
短句来源
     In polluted wetland,the BCFs of Hg by the leaf and stem were 1.9 and 2.1,and those of Cd were 1.5 and 0.3,respectively;
     在污染土壤中,芦竹叶、茎对Hg的BCF为1.9和2.1、对Cd为1.5和0.3;
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  wetland
Plant species diversity of wetland ecosystem in an arid and semi-arid region in northwest China
      
The whole study area was divided into the wetland zone, the ecotone and the arid grassland zone in terms of habitat characteristics and vegetation types.
      
angustifolia organs in the two types of wetland communities was distinctly different, which could be described by polynomial.
      
To determine the impact of photosynthesis and transpiration on nitrogen removal in wetlands, an artificial wetland planted with reeds was constructed to treat highly concentrated domestic wastewater.
      
Results suggest that the photosynthesis and transpiration of wetland plants have a great impact on nitrogen removal efficiency of wetlands, which can be enhanced by an increase in the photosynthesis and transpiration rate.
      
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In this paper, an approach for predicting the sinkage of wetland vehicles and an instrument designed for this purpose measuring the rheological para-meters of paddy soils are discussed. The optimum area of the disk used to me-asure the rheological parameters of paddy soils is obtained through a series of tests. A semi-experimental formula of the response of rheological parameters of paddy soils to shock load is found. The authors use the concepts and methods of fuzzy mathematics to treat a problem in terra...

In this paper, an approach for predicting the sinkage of wetland vehicles and an instrument designed for this purpose measuring the rheological para-meters of paddy soils are discussed. The optimum area of the disk used to me-asure the rheological parameters of paddy soils is obtained through a series of tests. A semi-experimental formula of the response of rheological parameters of paddy soils to shock load is found. The authors use the concepts and methods of fuzzy mathematics to treat a problem in terra mechanics and satisfactory re-sults are obtained.

本文从水田土壤流变理论的观点出发,探讨了水田车辆下陷量的预报方法以及为此而研制的用于测量水田土壤流变参量的静载式水田土壤流变仪。通过试验分析,得出了用于测量水田土壤流变参量的测盘的最佳面积,提出了水田土壤流变参量对冲击载荷响应的半经验公式。作者试用模糊数学的概念和方法处理地面力学中的有关问题,获得了令人满意的结果。

A simple acid trap unit(Fig.1)was used to measure directly the ammonia volatilization losses from applied urea under farmer's wetland rice field conditions in Philippines.The deep-placed supergranules of urea gave the lowest ammonia losses.The incorporated prilled urea gave lower magnitude of ammonia volatilization losses in the wetland rice field without floodwater as compared to that with floodwater(Tab.1).From the urea topdressed at different stages of rice growth,the losses by ammonia volatilization,on...

A simple acid trap unit(Fig.1)was used to measure directly the ammonia volatilization losses from applied urea under farmer's wetland rice field conditions in Philippines.The deep-placed supergranules of urea gave the lowest ammonia losses.The incorporated prilled urea gave lower magnitude of ammonia volatilization losses in the wetland rice field without floodwater as compared to that with floodwater(Tab.1).From the urea topdressed at different stages of rice growth,the losses by ammonia volatilization,on average,ammounted to 11.9% of N apnlied(Tab.2). Total N(urea-NNH_4~+ -N),pH and temperature in floodwater were simultaneously tested for 10 days after fertilization in the wetland rice field.It was found that the applied urea resulted in a elevated N level in the floodwater which declined to rapidly negligible level within 3-6 days(Fig.2).Rather strong alkaline reaction in floodwater(pH>8)was often recorded(Fig.3)indicating that there was really a significant potential for ammonia volatili- zation in the wetland rice field,though the soil(pH 6.0)and the irrigation water(pH 6.5) both were slight acidic.

小试验估测的在菲律宾热带气候条件下尿素表施或混施入稻田后的氨挥发损失率为10%上下。尿素在无渍水存在时进行混施能在一定程度上减少其氨挥发损失。同时测定的稻田水层氮含量和pH 值结果表明,通常的施肥方法无法避免施入稻田的大部分肥料氮溶解在水中,稻田水层的 pH 值受水中生物(主要是藻类)活动的影响,日间可上升到9以上。因此,即使在酸性土壤上,氨挥发在稻田氮素损失中的意义,也是不能忽视的。

In this paper, the definition, funtcions and characteristics of wetland were discussed. The main types and distribution of wetlands in China were described. Moreover, the strategy for wetland ecosystem management and its evaluation were stressed.

本文论述了湿地的定义和湿地生态系统的主要功能与特点、同时介绍了我国湿地的主要类型与分布。此外、文章侧重阐述了湿地生态系统的管理对策及其评价。

 
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