对有效喷淋系数和喷淋水流率对灭火效果的影响进行了研究。
The effects of effective spray coefficient and water spray flow rate on fire suppression mechanism are investigated.
现在PPWSA每天能供应300,000立方米水，有200,000条输送线路并且水流失率小于6%。
It now produces 300,000 cubic metres a day, has 200,000 connections and non-revenue water of less than 6%.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
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.
蕨类孢子是从陆地由水流携带搬运而来，百分含量的高低可能是受补偿率的影响。
The fern spore is mostly transported from the land by stream current, and redeeming rate may influence its concentration.
试验结果表明，土壤剥蚀率随着水流剪切力的增加其对数呈线性关系。
The results showed that soil detachment rate increased with the increase of flow shear stress, their logarithm was linear.
利用这些模型可数值模拟水轮机中含沙水流的流动、沙粒在水轮机过流通道内的浓度分布、运动轨迹及水轮机过流部件的磨损率。
These models can be used to predict the sandy water flow in hydraulic turbine, the sand particle trajectories in hydraulic ducts and the wear rates of hydraulic turbine components.
在水流很强时，爱因斯坦公式所给出的推移质输沙率有可能偏小。
When the flow intensity is high, the transport rate of bed load as given by Einstein formula might be too small.
通过试验发现就环状橡胶圈（模拟废旧轮胎）这种柔性加糙体，垂直水流方向的投影面积是影响槽底糙率、水深和流速的主要因素。
By the testing we found the flexible artificial roughness rubber turns which simulated the wasted tires were the main factor which affect the roughness of the bottom which directed to vertical flow.
结果，甚而区域被服从对前填水泥的化学制品在跟随挖掘的相对地短时间以后陈列了地水流入的坚固率。
As a result, even zones subjected to chemical pre-grouting exhibited a substantial rate of groundwater inflow after a relatively short time following excavation.
畦灌水流推进过程计算模型对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。
Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.
绘制了自净曲线，计算了自净百分率和自净速率常数，并讨论了温度、河水流速及浊度对自净作用的影响。
Self-purification curves are presented, percentages and rate constants of the purification are calculated, and influence of temperature, flow rate, and turbidity on self-purification are discussed.
本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。
The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.
提出了一种计算推移质输沙率的方法及公式，该公式表明，在水流强度一定时，输沙率并非为一个常量，而是随颗粒在床面的相对暴露度而变。
The formula shows the transport rate is not a constant but varies with the relative exposure degree of particles that lying on riverbed when the flow intensity is at fixed value.
慢流率导致较高的平均具温度，但创造不可取的温度梯度沿水流路径。
Slower flow rates result in higher average mold temperatures, but create undesirable temperature gradients along the water flow paths.
实测资料表明，推移质输沙率与床面层内有效水流功率有良好的相关性，且高于推移质输沙率与水流功率的相关性。
The measured data show that the bedload sediment transport rate is related more closely to the effective stream power within the bed-surface layer than to the river stream power.
沟播处理、缩行密植等优化土壤水流动系统技术，均能较大程度地提高作物的产量和水分生产率；
Such measures as row spacing reduced and close planting and furrow growing are propitious to optimize soil water flow system and they can greatly increase crop's yield and water use efficiency.
在研究的范围内，最佳充液率和最佳倾角随加热水流量的增大均有所增加。
Within the range of the study the optimum liquid-filling rate and the optimum inclination Angle will be somewhat greater when the heating water flow rate undergoes an increase.
渠道的糙率、比降、断面形状、来沙组成和引水流量是影响引黄渠道挟沙能力的主要因素；
It is revealed that the roughness factor, slope of the canal bed, cross section of the canal and sediment sizes are the important factors which influence the sediment transport capacity of the canal.
淹没植物的存在起阻流作用，增大了水流的坡降，使床面糙率变大。
The presence of submerged plants increased the flow gradient, hence the bed roughness became larger to resist flow.
为考虑空气对水流流速的影响采用VOF方法追踪自由水面，并用施主—受主方法求解水体体积率控制方程。
Considering the influence of the air on the velocity of flow, Volume of Fluids (VOF) method is used to track the free surface.
短管填料对水流产生阻力，随水流速度、填料床的长度及填料投配率的增加而增大。
The stub tube fillers generated resistance of water flow. And the resistance increased with the increment of flow rate, the length of packed beds and the proportion of fillers.
提出一种分析涡卷式洗衣机缠绕率的理论方法。利用流体力学的原理，建立了洗衣机水流的数学模型。
This paper presents a analytic method of the decrease of the enwinding ratio of the Swirl Washing Machine.
提出一种分析涡卷式洗衣机缠绕率的理论方法。利用流体力学的原理，建立了洗衣机水流的数学模型。
This paper presents a analytic method of the decrease of the enwinding ratio of the Swirl Washing Machine.
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