The comparison of calculations and experiment data indicates the two are well agreed, and the two-fluid model can effectively describe the diffusion of high concentration sediment cloud.
计算结果与试验数据对比表明,计算值与实测值吻合较好,双流体模型能有效地刻画高浓度泥沙云团的扩散问题。
The operation design must meet with its operation conditions of the operation level, design inflow discharge, sediment concentration, sediment settlement design standard and the operation time.
运行设计应满足沉沙池运行水位、设计入池流量、含沙量、泥沙沉降设计标准和运用时间等运用条件。
Besides temperature and pressure, the controlling factors for gas hydrate stability also include pore water composition, gas concentration in the fluid and Marine sediment types in the seafloor.
海洋天然气水合物的生成除了受温度和压力的影响外,还要受到孔隙水的化学组成、流体中气体的浓度及沉积物类型的影响。
It has proved that the turbulence of the flow resulting in the sediment suspension and the fluctuation of the concentration of sediment.
结果表明,无论从微观结构,还是外在特征,挟沙水流速度脉动与浓度脉动之间存在着内在联系。
The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.
细致地模拟了荆江卵石夹沙河床及沙质河床浅滩河段的水面线、流速场、含沙量浓度场及河床变形。
The key to the problem of probing the concentration of suspended sediment in water and its variation with acoustic equipment is how to calibrate the obtained data.
用声学设备探测水体中悬浮泥沙浓度及其变化的关键问题是对观测数据进行标定。
The sediment concentrations of turbidity maximum zone tends to be higher, but the sediment concentration at sand bar tends to be lower.
最大浑浊带中心处泥沙浓度趋于增大,但口门拦门沙处泥沙浓度趋于减小。
As the result of seasonal fluctuation of water, the total Hg concentration of water and sediment would be degressive in sequence of low water, flush time and ordinary level.
水位随季节周期性消落,将导致水体相和沉积物相中的总汞浓度按枯、丰、平顺序依次递减。
Fifthly, based on the consideration of sediment diffusion because of sediment particle interaction, the equation of vertical distribution of sediment concentration is derived.
五是在考虑泥沙颗粒碰撞扩散的基础上,推导了泥沙浓度沿垂线的分布规律。
The suspended sediment concentration at the center of the turbidity maximum zone and near the sand bar tends to increase because of the sediment addition from upstream.
因上游来沙量增加,在最大浑浊带中心和河口拦门沙处悬浮泥沙浓度趋于增加。
The bankfull discharge and corresponding sediment concentration is estimated through the above method.
其中的有效输沙流量及其相应含沙量采用本文方法估算。
We found that concentration areas of. Glauconites are identical with the oxidizing environment, coarse-sediment areas and relict sediments.
海绿石的富集区与氧化环境,粗粒沉积和残留沉积区相一致。
It is necessary to determine how proposed water development plans are affected by, and may in turn affect, sediment concentration and water quality.
必须确定拟议中的水利开发计划可能轮流受泥沙汇集和水质的影响。
The experiment showed that the absorption intensity was much greater than the release intensity in higher phosphorus concentration of upper water of surficial sediment.
可以看出当上覆水磷酸盐浓度较高时,吸附作用的强度远大于释放作用。
The spring tide suspended sediment concentration is bigger than that of the neap tide.
大潮悬沙浓度大于小潮悬沙浓度。
The whole process of water and sediment in watershed consist of water generation and concentration, sediment erosion, transportation and deposition.
全流域的水沙过程包括降雨产流、汇流的全过程,以及泥沙侵蚀、输移、沉积的不同运动形态。
The biodegradation rate was greatly influenced by the sediment content and the initial concentration of petroleum contaminants, and such effect was different from one degradation stage to another.
水体中泥沙的含量和石油类污染物的初始浓度均显著影响石油类污染物的生物降解速率,且在不同时段的影响不一;
The conclusion can benefit the coming research on nutrients release from sediment and suspended sediment concentration (SSC) response to the surface disturbance.
该结论能为计算太湖水体悬浮物浓度和动态内源释放提供重要的参考依据。
There were significant correlation between the sediment respiration and the sediment temperature, bacteria biomass and organic carbon concentration.
呼吸量与泥温、底泥细菌生物量及底泥有机碳浓度均有显著相关性。
The rivers running across large area with emergence of Mesozoic and tertiary stratum usually have high sediment concentration and large modulus of erosion.
穿过有大面积中生界和第三系地层出露地区的河流,其含沙量高,侵蚀模数大。
With the model test, this paper researches overbank flood sediment concentration and its gradation change rules from Jahe beach to Gao village river section of lower Yellow River.
通过模型试验,研究了黄河下游夹河滩到高村断面河段漫滩洪水含沙量及颗粒级配的沿程变化规律。
By introducing the diffusion caused by sediment colliding, the diffusion theory is revised, and the equation for sediment concentration distribution is derived from theory analysis.
进而在引入颗粒碰撞扩散的基础上,对泥沙颗粒扩散理论进行修正,从而在理论上得到了挟沙水流泥沙含量分布规律的公式。
According to ADCP data and suspended sediment concentration, suspended sediment movement in the Yangtze River Estuary is studied.
采用ADCP实测水流资料与悬沙含量实测资料相结合的方法,对长江口悬沙运动进行分析。
The primary experiment shows that: The trend of APA in the sediment was coincident with the dissolved phosphorus(DP), but high concentration of DP will restrain APA to a certain extent.
初步的研究表明:西湖沉积物中的碱性磷酸酶活性和底泥中溶解性磷的变化趋势基本一致,但高浓度的溶解性磷对APA产生一定的抑制作用;
The result showed that the numerical model could satisfactorily reflect the sediment concentration field, and calculate the back silting intensity on the approach channel in lianyungang harbor.
研究结果表明,所介绍的研究方法可以合理地描述含沙量场特性以及计算进港航道回淤量。
Under steady salinity, flocculating settling velocity depends on factors such as diameter and type of sediment concentration of suspension, settling distance and temperature of water.
在稳定含盐静水中的絮凝沉速取决于泥沙粒径和类型、含沙浓度、沉距和水温等因素。
The effects of fluid viscosity, sediment concentration and fluid velocity on bubble collapse process as generated by electronic sparks was investigated.
文中利用高速摄影技术研究了液体粘性、含沙量及流速对电火花空泡溃灭过程的影响。
For rivers with lower concentration of suspended sediment, effect of concentration on settling velocity is inapparent.
对于含沙浓度较低的河流,浓度对沉速的影响不显著。
For rivers with lower concentration of suspended sediment, effect of concentration on settling velocity is inapparent.
对于含沙浓度较低的河流,浓度对沉速的影响不显著。
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