河道淤积大幅减少：每年进入黄河的泥沙量减少了1亿多吨。
Sedimentation of waterways was dramatically reduced: The flow of sediment from the Plateau into the Yellow River has been reduced by more than 100 million tons each year.
陕南是长江流域水土流失最为严重的地区，年输入长江泥沙量达0 9亿t。
The south of Shaanxi is the most severe soil and water loss area of the Yangtze River basin.
粗放型农业和无节制的伐木加剧了长江河床附近地区的水土流失，使长江携带的泥沙量排名全世界第四。
Extensive farming and unrestricted logging along the Yangtze's banks have increased the earth'serosion into the river, making it the fourth largest sediment carrier in the world.
当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。
The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.
在本区入海的一些河流上兴修的水库与挖沙采石，减少了入海泥沙量，这些人为因素是现今秦皇岛海岸侵蚀灾害的主要原因。
Man made reservoirs and sand excavation in some rivers reduce silt discharge into sea, these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently.
通过泥沙模型试验研究，分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配，水库对泥沙的沉降率。
By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
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。
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.
泥沙氮素含量随着产流时间的延长呈下降趋势，而流失累积量测呈逐渐增大趋势。
With delay of runoff yield time, the nitrogen concentrations in runoff and sediment drop off, whereas, the accumulation amounts of nitrogen loss rise gradually.
用混合表土和小朋友玩耍的泥沙（50/50分量）作为底材之用，同时可建立以乾果树草组成的区域来作喂食和挖掘之用。
Substrate can be a 50/50 mix of topsoil and play sand, and can include areas of dry orchard hay for feeding and burrowing.
有潮海淤泥质海岸的沿岸泥沙年输沙量目前尚无比较成熟的计算方法。
Up to now there aren't relatively complete methods for estimating alongshore quantity of sediment transport on the foreshore with tide and silt material.
为了计算波流共同作用下含沙量沿垂线的分布，建立了沿垂线分布的泥沙扩散系数模型。
To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up.
在分析了汛期、非汛期水库泥沙冲淤影响因子的基础上，利用改进的BP网络模型对水库泥沙冲淤量进行计算。
In this paper, an improved BP network is used to calculate the scour and sediment of reservoir on the basis of analyzing influence factor of flood and dry season.
另外，还发现泥沙对砷化物有较强的吸附作用，含砷量与相应含沙量之间呈明显线性关系。
The sediment has stronger adsorption to the arsenide and there is a clear linear relationship between arsenic content apd relevant sediment content.
半月周期的变化受潮流半月周期变化引起的泥沙供给量的变化控制；
The semi-monthly changes of the mud fluid are controlled by the amount of fine sediments supply.
对汾河水库1962 ~ 2008年泥沙淤积状况分析结果表明：水库泥沙淤积量总体呈减小趋势。
Through the analysis on the sediment deposition situation of Fenhe Reservoir from 1962 to 2008, the results show that the deposition therein trend towards alleviation.
采用透气法，量测了细颗粒泥沙的比表面积。
In this paper, air permeability test has been conducted to determine the specific surface area of fine particle of sediment.
介绍了旋转环形水槽的结构和工作原理，提出了削弱环形水流离心力的方法，通过环形水槽中周期往复流泥沙运动试验得出水体含沙量与床面剪切力和水体挟沙力之间的关系。
The method of weakening centrifugal force in the rotary ring flume is proposed and sediment movement under the effect of periodic reciprocating current is tested in the ring flume.
土壤养分流失量与雨强及泥沙流失量呈正相关关系。
The amount of lost nutrients were correlated positively with rainfall intensities and lost sediment.
通过沙量平衡分析方法，沉积泥沙存蓄变化量是造成尺度效应的重要因素之一。
Based on the analysis of the sediment balance, the change of sediment deposit is one of the important factors for scale effect.
利用黄河中游155个“闷葫芦”淤地坝沉积泥沙资料和相关侵蚀因子建立了侵蚀变权模型，用该模型计算了每个图斑的侵蚀量。
Using data of 155 sediment detentionbarriers which check all oncoming sediment and water flow, a erosion model with different weight is constructed.
本文通过对多年实测资料的分析，总结出对三门峡水库泥沙冲淤量影响很大的变量的经验公式。
Based on analysis of the many measured data of Sanmenxia reservoir an experimental formula is presented with some factors affected by the change of sedimentation and scour of Sanmenxia reservoir.
根据砂质海岸和粉沙质海岸地区港池和外航道的泥沙淤积的计算机理，确定了悬移质和推移质泥沙的计算公式与相关参数，分别对回淤量和骤淤量进行了计算。
The calculation formula and parameter of sediment siltation should accord with the arenaceous and silt coast condition. The back and sudden magnitude siltation quantity is calculated here.
研究波浪和潮流作用下水体含沙量的垂线分布，是解析粉沙质海岸滩面泥沙在波浪和潮流作用下泥沙运移形态的重要基础。
Studying the sediment vertical distribution affected by wave and current is the important base to explore the transport behave of sediment on the silt sea bed under the same conditions.
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 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.
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。
The study on the threshold of flood grouping sediment content and incoming sediment coefficient is based on the more 200 flood data measured in the lower Yellow River.
由于湾内泥沙供应量的减少，连云港仍将维持冲淤相对平衡的状态。
With the decrease of sediment supply, the sedimentation and erosion of Lianyungang Harbor will keep balanced. On this basis, t…
由于湾内泥沙供应量的减少，连云港仍将维持冲淤相对平衡的状态。
With the decrease of sediment supply, the sedimentation and erosion of Lianyungang Harbor will keep balanced. On this basis, t…
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