查询词典 sediment-covered

It collects the data of sediment discharge and runoff depth of key hydrometric stations of the Yellow River and its main tributaries in the last 50 years and studies the normal variation of absolute value of sediment discharge and relative runoff depth by using mathematical statistics.

收集了黄河重要干流水文站和一些主要支流近50年的输沙量及径流量数据，应用数理统计方法研究了输沙量绝对值和相对径流量的多年变化情况。

Taking the sediment discharge of the Lijin Hydrometric Station as input, increment of area and migration of shoreline of the present subdelta as output, by using the model of linear control system which is individual input and individual output, the author built the dynamic prediction model on the development and evolution of the present subdelta, and then predicted its development and evolution, and analyzed the influences of sediment discharge of the river on its development and evolution.

首先，以黄河利津站的来沙量为输入、现行黄河亚三角洲的面积和岸线增长为输出，采用单输入、单输出的线性控制系统模型建立了现行黄河亚三角洲发育演变的动态预测模型；然后，利用该模型对现行黄河亚三角洲的发育演变进行了预测，并据此分析了黄河来沙量对黄河亚三角洲的发育演变影响。

The important parameter of water-sediment regulation is the threshold of grouping sediment concentration about floods scouring and silting relative balance in hyperconcentration river.

河床冲淤相对平衡下的洪水分组含沙量阈值是多泥沙河流水沙调控的重要参数。

An evaluation of Linear, Freundlich and Langmuir equations on both accuratity and stability indicates that the Linear equation is the best. Sorption of p nitrophenol to sediment is dominated by the partition of solutes to sedimental organic matter. The influences of temperature on sorption of p nitrophenol to sediment was also investigated. The sorption parameters of thermodynamics,Δ H =-7 8?kJ·mol -1 , suggest that the sorption behavior is dominated by dispersive force.

研究了对硝基苯酚在不同沉积物上的吸附等温线，比较分析了Linear方程、Freundlich方程和Langmuir方程描述吸附等温线的准确性和稳定性结果表明，Iinear方程更适合描述沉积物吸附对硝基苯酚的等温线对硝基苯酚在沉积物上的吸附主要是溶质在沉积物有机质中的分配，其吸附热为-7 8 kJ·mol-1，主要的吸附作用力为疏水键力。

Channel shrinkage ; overbank flood ; bank-flush discharge ; sediment deposition on flood plain and scouring in main channel ; water and sediment diversion ; river channel above Taochengpu on lower Yellow River

河槽萎缩；漫滩洪水；平滩流量；淤滩刷槽；调水调沙；黄河下游陶城铺以上河道

Bacterial diversity of sediment in shrimp pond was analyzed by using PCR-DGGE technique, the Shannon-wiener index is 3.4971, the Richness is 41 and the Evenness is 0.94171; 17 dominant bands were excised from DGGE profile of surface sediment bacteria in shrimp pond and the V3 region of 16S rRNA gene was cloned and sequenced followed by phylogenetical analysis.

对虾池表层沉积物细菌多样性进行分析，得出该沉积环境细菌多样性指数为3.4971，丰度为41，均匀度指数为0.94171；对DGGE图谱上的特征条带进行切割回收和克隆测序后得到了优势菌的信息。

The research quantified the effects of geographical environment factors about runoff and sediment generation to provide rationable foundation to differentiate cell of runoff and sediment generation and to the construction of ecological environment in a watershed.

定量评价影响渭河流域产水、产沙的地理环境要素因子，为渭河流域产水、产沙格局划分及流域生态环境建设提供理论依据。

In this paper, the area in focus is Sungo Bay, one of the most large-scale aquaculture areas in North China. From the view of physical, chemical and biologic, mechanism of sediment resuspension and its ecological effect is studied; Moreover, the wave-current coupling model and prediction model of suspended sediment concentration is built.

本研究以我国北方重要养殖海湾——桑沟湾为研究对象，从物理、化学、生物三个角度出发，研究了沉积物再悬浮的发生过程以及再悬浮介质-沉积物的源汇转换角色及其与养殖藻类的关系，构建了波流耦合模型和再悬浮颗粒物浓度预测数学模型。

Furthermore, it is concluded that wind waves and tidal currents are the two predominant factors related to sediment resuspension and control of the changes of suspended sediment concentration, in which tidal currents control the neap-spring tidal cycle, and wind waves control the seasonal fluctuation.

进一步分析认为，海洋动力是泥沙再悬浮的主导因素，制约悬沙浓度的年内变化，其中潮流控制悬沙浓度的大小潮周期变化，风浪引起悬沙浓度的季节性变化，河流径流和海洋动力的对比制约悬沙浓度的空间分布。

Objective:to investigate the influence factors of unusual red blood cell result using uf-100 urine sediment analyzer.methods:420 urine samples with unusual red blood cell result were analysed by uf-100 urine sediment analyzer.results:50 cases with calcium oxalate crystal, 31 cases with lots of miscellaneous germs, 22 cases with saccharomycete, 5 cases with drug crystal and other corpuscles were found in 112 urine samples with false positive result of red blood cells.

目的：研究uf-100全自动尿沉渣分析仪检测异常红细胞的影响因素。方法：对uf-100全自动尿沉渣分析仪检测的420例异常红细胞尿液标本进行沉渣镜检。结果：112例假阳性标本分别为50例草酸钙结晶、31例大量杂菌、22例酵母菌、5例其他药物结晶及杂质、4例为仪器本身异常。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。