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submerged
相关语句
  淹没
    Study on the Energy Dissipation Mechanism of Multi-Horizontal Submerged Jets
    多股多层水平淹没射流的消能研究
短句来源
    COMPUTATION FOR CRITICAL DEPTB OF SUBMERGED MIXING FLOW
    淹没混合流临界水深的计算
短句来源
    Numerical Solution to Two-dimensional Submerged Turbulent Jets with Standard k-ε Model
    用标准k-ε模型求解二维紊动淹没射流
短句来源
    Study on Submerged Depth of Intake Ports of a Short Culvert
    船闸短廊道输水进口淹没水深的研究
短句来源
    Numerical Simulation of Submerged Jet within a Water Cushion Pool
    水垫塘淹没射流的数值模拟
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  “submerged”译为未确定词的双语例句
    Experimental Investigation of the Characteristics of A Submerged Hot Water Jet Discharged Horizontally into A Crossflow
    淹没的水平热射流在横流中扩散特性的实验研究
短句来源
    Study of Local Scour Around Submerged Spur-dikes
    漫水丁坝局部冲刷的研究
短句来源
    Characteristics of Pressure Fluctuation in Combined Flow with Surface and Submerged Jets
    面流、戽流的床面压力脉动特性
短句来源
    THE CALCULATION OF SAND DISCHARGE ENTERING QINGHAI LAKE AND FORMATION OF SUBMERGED BARRIES
    青海湖人湖沙质物的计算与水下沙堤的形成
短句来源
    WAVE BREAKING ON A SUBMERGED STEP
    波浪在台阶地形上的破碎
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  submerged
Nanocarbon-poly(methyl methacrylate) sols were prepared by pulsed laser ablation at the interface of target submerged in flowing liquid (PLA-IT/SFL) method, and the corresponding composite films were prepared by solution-casting.
      
The objects of detection are always submerged in the background field, and thus one of the crucial problems for gravity data interpretation is how to improve the resolution of observed information.
      
The evolution of activated sludge settleability and its relationship to membrane fouling in a submerged membrane bioreactor were studied at a lab-scale equipment fed with synthetic wastewater.
      
Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment
      
In view of this, Fe(OH)3 was added to a submerged membrane bioreactor (SMBR) to enhance the removal efficiency and to mitigate membrane fouling.
      
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In reservoir design one sometimes meets with submerged structures, such as the underwater retaining wall, the foundation-rested immersed, plate which connects shore to intake-tower, the half-submerged navigation-guiding plate, a strut plate positioned midway in water depth, and also a diversion wall from shore.The paper gives a synthetic study of the hydrodynamie pressures on these structures due to earthquakes. The analysis follows the physical model of Westergaard and uses con formal mappings and...

In reservoir design one sometimes meets with submerged structures, such as the underwater retaining wall, the foundation-rested immersed, plate which connects shore to intake-tower, the half-submerged navigation-guiding plate, a strut plate positioned midway in water depth, and also a diversion wall from shore.The paper gives a synthetic study of the hydrodynamie pressures on these structures due to earthquakes. The analysis follows the physical model of Westergaard and uses con formal mappings and elliptic functions in obtaining solutions in closed forms. Subsequent pressure profiles and resultant coefficients are calculated and plotted, checked with electrical analogy measurements. Approximation formulas are also given and intended for the use of designers.

在实际工程中,有时遇到某些建筑物是潜没在水中的,如水库水面以下的挡土墙和水库进水塔与岸边连接的撑墙;又有时遇到挡水建筑物与基础脱离,如水库中的导航板;另外还有一些既潜没在水面以下又与基础脱离的建筑,如水中撑板;还有岸边的平板.本文对这一类建筑物在地震作用下的水压力问题进行了初步的研究;给出了各型二元挡水板或墙上的压力系数和总压力系数的分析表示式及计算结果,并近似地计算了总压力的作用位置.为了便于设计者参考,还给出了计算压力和总压力的近似公式.最后,还用电模拟量测方法对所求结果进行了校核.

Braided river is an important pattern in alluvial rivers. There are 41 braided reaches in the middle and lower Yangtze River, to study some problems of braided reaches has very important theoretical and practical senses.In this paper, four problems are discussed.( 1 ) Some basic elements, such as depth, width, cross-sectional area, velocity, etc, of the braided reaches are discussed. It is found that values of these basic elements either in the main branching channel or in the secondary branching channel are...

Braided river is an important pattern in alluvial rivers. There are 41 braided reaches in the middle and lower Yangtze River, to study some problems of braided reaches has very important theoretical and practical senses.In this paper, four problems are discussed.( 1 ) Some basic elements, such as depth, width, cross-sectional area, velocity, etc, of the braided reaches are discussed. It is found that values of these basic elements either in the main branching channel or in the secondary branching channel are less than those of the single channel, but the sum of these values of branching channels are larger than that of the single channel. In view of flood control, the braided reaches can carry more flood flow, so that, when it is decided to block the secondary branch by any submerged body, the overall condition must be considered.( 2 ) From the observed data either in field or in river model investigation, there is circulating flow at the island head. Depending upon .this fact, both the longitudinal transportation of suspended load and the transverse transportation of suspended load by circulating flow at the island head are considered when the diversion ratios of sediment in braided reaches are studied, and Eqs. ( 20 ) and ( 21 ) for computing these diversion ratios are derived. The results calculated from Eqs. ( 20 ) and ( 21 ) are coincident well with the observed data from fiefd as shown in Fig. 6.( 3 ) Suspended load connects closely with fluvial process, but bed material load is a very important factor in view of fluvial process . Due to this reason, the diversion ratio of bed material load in braided reaches must also be studied.On the one hand, only the longitudinal transportation of bed material load is considered, and on the other hand, both the longitudial transportation and the transverse transportation of bed material load by circulating flow at the island head are also considered. Then, Eqs. ( 25 ) , ( 26 ) , ( 27) and(28)are derived. The results calculated from these equations are shown in Figs. 11 and 12, it is seen that the results in Fig. 12 is coincident better than those in Fig. 11 with the observed data from field.( 4 ) The field data observed in the middle and lower reaches of the Yangtze River are analysed, and the parameters C and C* describing the degree of uniform distribution of suspended sediment and bed material load along the depth are found. At the same time, their relationship C* = 0.2C0.8 is obtained approximately, from which C* can be determined from known C easily.

本文首先论证了汊道的一些基本因素与单一河段的变化关系,其次探讨了洲头横向输沙对汊道分沙的作用,从而提出了综合考虑纵向和横向输沙的计算悬移质分沙比的办法和公式,进而又探讨了计算床沙质分沙比的办法和公式,最后建立了长江中下游悬移质、床沙质一些参数的关系。经实测资料检验,比较符合实际。

In this article the discharge of a sluice gate with a horizontal bottom has been investigated. A formula of the free discharge coefficient is obtained on the basis of a large number of model experimental data. This formula is more accurate and has wider applications than others. The principle of the turbulent wave in open channels has been used to explain the physical nature of submerged flow under the gate. According as the velocity of turbulent wave equals to the mean velocity in vena contracta behind...

In this article the discharge of a sluice gate with a horizontal bottom has been investigated. A formula of the free discharge coefficient is obtained on the basis of a large number of model experimental data. This formula is more accurate and has wider applications than others. The principle of the turbulent wave in open channels has been used to explain the physical nature of submerged flow under the gate. According as the velocity of turbulent wave equals to the mean velocity in vena contracta behind the gate, a formula which can be used to distinguish the submerged flow is obtained. At last, from dimensional analysis and experimental data, formulae of the submerged orifice discharge and its cofficient are derived. All these formulae are very convenient for calculation.

本文对平底闸平面闸门下孔流的流量进行了研究.在大量的模型试验的基础上得到了计算自由孔流流量系数的公式,该式与现有成果相比有较高的精度和较广的应用范围.文中应用明渠干扰波传播的原理对孔流淹没的物理本质进行了解释,并根据干扰波波速与闸下收缩断面流速相等的条件导出了孔流淹没的判别式.最后应用量纲和谐原理和模型试验资料得到了淹没孔流流量和流量系数的公式,用这些公式计算甚为简便.

 
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