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- Using the technology of microwave digestion as the pre-treatment method of water with lead,the extraction of lead from the water of urban road surface runoff was studied by the use of KI-MIBK flame atomic absorption spectrum(AAS). 采用微波消解技术作为测定城市路面径流雨水中铅的预处理方法,研究了碘化钾甲基异丁基甲酮(KI-MIBK)萃取火焰原子吸收分光光度法(AAS)测定城市路面径流雨水中的微量铅。
- A hole or pit, especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
- road surface runoff 路面径流
- Half the road surface is being taken up to lay new gas pipes. 人们挖开半个路面以铺设新的煤气管道。
- Asphalt is used for making road surfaces. 沥青常用于铺路。
- They rolled the road surface flat. 他们把路面碾平。
- The catchment area played a dominant role in determining surface runoff. 结果表明，汇水区面积对总产流起决定性作用。
- A hole or pit,especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
- They rolled the road surface flat . 他们把路面碾平。
- The renovated road surface is wide and flat. 重新翻造过的路面，宽阔平整。
- The relationships among preferential flow, infiltrated flow and surface runoff were analyzed. 结果表明，在同等降雨条件下，优先流晚于渗流出现，早于渗流停止。
- P& S: potable water system in public area, rain, surface runoff, waste water should be discharged in separation. （1） 给排水：公共部分饮用水系统，雨、、水分流排放。
- Stripping the land in these ways allows faster surface runoff and exacerbates flooding. 这些做法终将使土地裸露、地表径流加快，从而加重了洪水的威胁。
- Increased surface runoff was found in the mountainous areas of the southwest and northeast, and in some areas along the South Coast. 地表径流量升高的地区以西南部及东北部高山地区较为明显，在南部沿海部分地区亦有类似现象。
- Nutrient content in surface runoff and sediment was highest in the beginning of surface runoff, and then became stable. 撂荒荒坡、林草间作和造林林地沉淀泥沙中的全氮、全磷、全钾和有机质含量高于其它3种利用方式。
- The soilover which the road surface was laid was sandy. 这路面下的土壤是沙质的。
- Cultivation of slope farmland influences surface runoff and sediment movement on slopes. 摘要坡耕地由于人为耕作管理作用，造成地表高低起伏，影响著坡面地表径流和产沙。
- Tyres are your only point of contact with the road surface. 你只轮胎与地面接触点。
- P &S: potable water system in public area, rain, surface runoff, waste water should be discharged in separation. 给排水：公共部分饮用水系统，雨、污、废水分流排放。
- The soil over which the road surface was laid was sandy. 这路面下的土壤是沙质的。
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海词词典，十七年品牌
