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water and sediment     
相关语句
  水沙
     Priliminary Analysis on Cause of Water and Sediment Variation from 1990~1996 in Weihe Watershed
     1990~1996年渭河流域水沙变化原因初步分析
短句来源
     In general, in the period from 1970 to 1999, decrease in precipitation is main reason that caused water and sediment reduction, and its influence account for 63.1% and 73.6% of total reduction of water and sediment respectively.
     总的来看,1970~1999年期间,降水减少是孤山川流域水沙减少的主要原因,其影响量分别占到径流、泥沙总减少量的63.1%和73.6%。
     ⑤ Turning water and sediment into resources and making multi-purpose utilization and;
     ⑤水沙资源化、多目标利用;
短句来源
     Research on the Variations of the Water and Sediment for Recent 50 Years in the Jingjiang River and Dongting Lake Area
     荆江与洞庭湖区近50年水沙变化的研究
短句来源
     Study on water-sediment optimum allocation in upstream basin and comprehensive measures of sediment control in Guanting reservoirⅠ:Reservoir sedimentation and general plan of water and sediment control
     官厅水库流域水沙优化配置与综合治理措施研究Ⅰ——水库泥沙淤积与流域水沙综合治理方略
短句来源
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  水和沉积物
     The results show that from 273K to 298K,the fugacity capacities in air,water and sediment of γ-HCH are respectively reduced in 8.4%,89.7% and 89.7%.
     在模拟温度范围内(273~298K),-γHCH在空气、水和沉积物中的逸度容量分别减少了8.4%、89.7%和89.7%,转化速率系数分别增加了0.69、22.0和4.5倍;
短句来源
     It shows that the concentrations of OCPs in water and sediment are 7.59~ 34.98ng/Land 0.45~7.26ng/g, respectively.
     由色谱测得的结果表明 ,水和沉积物中所检出的OCPs浓度分别为 7.5 9~ 34.98ng/L和 0 .45~ 7.2 6ng/g。
短句来源
     The phosphorus distribution between overlay water and sediment was mainly related to the difference of phosphorus contents of them.
     上覆水和沉积物之间磷的分配主要与二者之间磷含量差有关系,且上覆水中的可溶性磷含量越低,沉积物碱性磷酸酶的活性越高;
短句来源
     This paper established the LC-ESI-MS method to analyze pentachlorophenol(PCP) in water and sediment samples,and then investigated the occurance of PCP in Haihe basin and Bohai bay.
     建立了水和沉积物中五氯酚(PCP)的LC-ESI-MS分析方法,并调查了海河流域以及渤海湾水体和沉积物中PCP的污染状况.
短句来源
     Distribution and Diffusion of Inorganic Nitrogen in Water and Sediment of Intertidal Flats on the Shanghai Coast, China
     上海滨岸潮滩水和沉积物中无机氮的分布及扩散特征(英文)
短句来源
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  水体和沉积物
     This paper established the LC-ESI-MS method to analyze pentachlorophenol(PCP) in water and sediment samples,and then investigated the occurance of PCP in Haihe basin and Bohai bay.
     建立了水和沉积物中五氯酚(PCP)的LC-ESI-MS分析方法,并调查了海河流域以及渤海湾水体和沉积物中PCP的污染状况.
短句来源
     The higher ratios of DDT/(DDE+DDD) in water and sediment in showed such chemicals will influx into the bay.
     水体和沉积物中DDT/(DDE +DDD)比值较大 ,表明近期仍有此类化学物质输入大亚湾海域。
短句来源
     Study on the Organic Pollution Status and Source Apportionment of PAHs in Water and Sediment of HongFeng Lake
     红枫湖水体和沉积物中有机污染物—多环芳烃的污染现状及源解析研究
短句来源
     Genotoxicity of organic pollutant water and sediment in Meiliang Bay, Taihu Lake
     太湖梅梁湾水体和沉积物中有机污染物的遗传毒性
短句来源
     Therefore, it is of vital significance to natural science and social economy to develop environmental and ecological researches on estuarine tidal flat. As a sort of environment boundary between water and sediment, the sediment-water interface is a very important region where physical, chemical and biological parameters of nature water vary sharply.
     沉积物-水界面是水体和沉积物两相组成的环境边界,是天然水体在物理、化学和生物特征等方面差异性最显著和进行物质输送与交换的重要边界,潮滩沉积物-水界面是环境科学研究领域的热点之一。
短句来源
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  水质和沉积物
     According to the data of the ecology construction in Changxing island of Dalian in Jul. 2002, a study on the disitribution characters of the parameters in water and sediment was done. The assessment on the environmental quality and nutrition status were made.
     根据2002年7月大连市长兴岛生态建设研究现场调查资料,探讨了长兴岛及毗邻海域水质和沉积物要素分布特征,评价了海域环境质量和营养状况。
短句来源
     By the investigaton of current environment quality of water and sediment in the mariculture areas of Xiamen in summer 2004, we assessed marine fishery environment with Quality Index Method according to related national environment quality standards.
     根据厦门同安湾和大嶝岛海域2004年夏季的监测资料,按有关环境质量标准,用质量指数法对水质和沉积物进行评价.
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  water and sediment
The performance of the model is evaluated by comparing the predicted and observed concentrations in the water and sediment of the Liao River.
      
Experiments that involved the addition of 14CH4 to water and sediment samples showed that a considerable part of methane is oxidized in the upper horizons of bottom sediments and in the water column.
      
Increased water and sediment pollution by industrial and sewage discharge were found to most significantly affect the abundance of larvae, food composition, and the availability of substrata suitable for larva to settle.
      
Assessment of Water and Sediment Quality in Fresh Water Bodies Based on Characteristics of Benthic Communities
      
The influence of the huge river water and sediment runoff and tides on the hydrological and morphological processes in the Yangtze River mouth is shown.
      
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