干流

汉江干流水质现状与变化趋势分析

The Water Quality and Change Tendency Analysis for Hanjiang River Trunk Stream

河道干流平均纵坡降计算的简化

A simple and easy method in computing the average vertical slope of a trunk stream

基于GIS的松花江干流暴雨洪涝灾害风险评估

GIS-based Risk Assessment on Rain and Flood Disasters of Songhua River

科研软件与商用软件在长江干流航道GPS测量控制网数据处理中的结果分析

Analysis of Data Processing Results of GPS Control Network in the Main Waterway of the Yangtze River by Research Software and Business Software

基于AHP和突变评价法的黄河干流梯级水库补偿效益方案优选研究

Optimal selection of cascade reservoirs compensation benefit of the Yellow River mainstream based on AHP and catastrophe evaluation

经过分析，黄河干流河南段的主要污染物是COD和氨氮。

Drawing the conclusion from the analyzing , the main pollutant of the Yellow River of Henan is COD and ammonia nitrogen .

应用该模型，对黄河干流梯级水库补偿效益的6种方案进行了优选，并与层次分析法（AHP）和突变评价法的结果进行了比较。

With this model to optimize the six compensation benefit schemes , then to compare the results with AHP and catastrophe evaluation method .

渭河干流陕西段水体中COD（Mn），NH3-N的时空变化特征

Temporal and Spatial Characteristics of Variation in COD_ ( Mn ) and NH_3-N in Weihe River of Shaanxi Province

干流过程与LCR电路暂态过程相似。

The process of stem flow is similar to the LCR electric circuit transient state .

伊犁河干流区20cm口径小型蒸发器水面蒸发折算系数的分析计算

Analysis on evaporation reduction coefficient of small evaporation pan in Ili River trunk

利用香农-威纳指数评价了水质状况，Shannon-Wiener多样性指数值范围在2.65~3.12，支流污染程度大于干流。

The pollution degree of tributaries is more serious than the mainstreams by the Shannon-Wiener evaluation method .

PAEs在干流各断面沉积相中的浓度变化范围为30.52~85.16mg/kg；

The variation range of PAEs concentration in sediment phase of the main river was 30.52 ~ 85.16mg / kg ;

通过对山溪性河流、湖泊水库、感潮河段以及各断面水质达标要求研究，运用一维、二维水质模型，测算了流域干流和一级支流水体COD、氨氮纳污能力。

The capacity of the main stream of the Qiantang River and its primary tributary to assimilative COD and NH4 + - N were calculated using the 1-D and 2-D water quality model .

利用SY-118型GPS接收机建立了闽江干流GPS控制网，取得了良好的成果。

The control net of GPS for the mainstream of the Minjiang River was established by using GPS receiver of SY-118 and the good results had been obtained .

汉江上游流域水能资源丰富，干流可开发装机容量213万kw，年发电量69.73亿kw·h。

Waterpower resources of Han river upland catchment is abundance , which main stream can develop 213 ten thousand kW installed capacity and annual capacity of electric production is 69.73 a hundred million kW ?

依据灰色系统理论，构造了一个由6个GM（1,1）模型组成的灰色动态模型群，并运用该模型群对淮河干流枯水期氨氮浓度变化趋势进行了预测分析，得到令人满意的结果。

A gray dynamic model group is put forward made up of six simple gray models . Then the model group is used to predict the trend of concentration of NH 3-N in the Huaihe river during dry season .

生长于斯的妻子告诉我，kamoriver干流沿岸的步行道已打扫干净，因此她年少时迁离此地的白鸟，都终于飞了回来。

The walkways along the central Kamo River have been cleaned so that , my kyoto-born wife tells me , the white birds that fled in her youth have finally returned .

以长江干流上游来水、洞庭湖区水位以及下游顶托等影响因子为模型输入向量，运用BP网络建立了荆江三口分流流量预报模型，该模型具有1d的预见期。

Taking the upstream flow , water level of the Dongting lake and downstream backwater influence as input vectors , the diversion discharge prediction model is set up by BP network and the model has 1 d prediction period .

采用单因子水质类别法，对长江下游干流11a的水质实测资料进行了分析和评价。

Monitoring data of Yangtze River water quality in past 11 years were analyzed and assessed by single factor exponent mothed .

干流的Shannon-Wiener指数、物种均匀性指数均高于支流；

Fish species diversity descends when the altitude ascends . The Shannon-Wiener index and the species evenness in the main stream are higher than those in the tributaries ;

在假设月蒸发系数和年蒸发系数具有相同函数表达式的基础上，对黑河干流地区设计了TANK流域水文模型。

In this paper , it is assumed that the monthly evaporation coefficient has the same function format with the annual evaporation coefficient . Based on this assumption , a kind of TANK Model is designed to simulate the monthly runoff processes for mountainous region of Heihe Mainstream River .

在分析了大沽河干流青岛段水质现状的基础上，指出该研究区域的主要污染物为COD、NH3-N。

On the basis of the analysis of the characters of the water quality of Qingdao section of Dagu River , the main pollutants , COD ( Chenmical Oxygen Demand ) and NH_3-N ( ammonia ), of the research area were designated .

2006年4月（平水期）及9月（丰水期）对长江干流进行调查，对表层样品的浮游植物的群落多样性进行了DGGE分析，探讨了浮游植物多样性与环境因子的关系。

Surveys were conducted during April ( dry season ) and September ( rainy season ) 2006 along 25 stations of the Yangtze River . Phytoplankton community structure was analyzed by DGGE of 18S rRNA genes .

淮河流域的可持续发展及行蓄洪区的移民安置DDTs在海河干流市区段沉积物/水间迁移行为研究

Sustainable Development of Huaihe River Basin and Arrangement for Moving Residents in Flood Approach and Storage Zone ; DDTs Transport Between Sediment and Water in the Mainstream of Haihe River in the Urban Area

大气降水、穿透雨、25cm和50cm土壤水中TOC浓度随降水量的增加而规律性递减，树干流和地表径流中TOC浓度与大气降水量之间无明显相关关系；

The TOC concentration in precipitation , throughfall , and soil solution ( 25 and 50 cm depths ) decreased with increasing precipitation , and no significant relationship existed between the TOC concentrations in stemflow , surface runoff and precipitation .

据调查，长江上游干热干旱河谷分布于长江上游干流及其主要支流，海拔800～2000m的河谷地区。

It is surveyed that the xerothermic and droughty river valley area in the upper reach of the Yangtze River is mainly distributed in the area of the upper reach main stream and its primary tributary with elevation of 800-2 000 m.

固&液相互作用和人为干扰对干流D区中稀土（MREE）的富集贡献很大。

The middle REE ( MREE ) enriched patterns in the mainstream area most possibly come from the result of solid-liquid interactions and artificial interference .

得到黄河干流水量以及电量的补偿值，并将仿真模型结果与优化模型（POA法求解）结果进行对比分析，说明仿真模型更能反映复杂系统的实际运行情况。

The water supply and generation electricity compensation benefits in main stream of the Yellow River are obtained and compared with the POA results . The results show that water resources adjustment and control simulation model can reflect the real operation state of water resources system .

修河干流大中型水利工程对环境的影响

Impact of the cascade development of Xiu River Basin on Environment

黑河干流山区流域月蒸发力计算模型

Monthly Evaporation Capacity Model in Mountainous Region of Heihe Mainstream River