• It has been shown that the velocity of sand flow and airflow at the entry of core-box was quite different.

    结果表明,射孔位置气流速度显著差别

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  • The pile foundation is a method of disposing the foundation, it is unfavorable to encounter sand flow in the pile foundation.

    桩基土木工程各种施工中常见的地基处理方法桩基施工最怕出现不良地质,尤其是涌

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  • In this paper, influence of wind-sand flow on soil wind erosion was discussed using portable wind tunnel to simulate natural wind.

    通过便携式风洞内模拟挟沙气流,研究了风沙土壤风蚀影响

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  • Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.

    通过兰新铁路里风戈壁风沙进行现场观测研究,提出风沙密度概念,解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。

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  • The water was always laden with pebbles, gravel, and sand, known as glacial outwash, that was deposited as the flow slowed down.

    水里总是遍布鹅卵石砾石沙子——它们称为冰水沉积水流减缓时沉积下来的。

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  • Sediment as you know, is material like sand, gravel, fossil fragments that is transported by natural processes like wind, water flow or the movement of glaciers.

    所知沉积物通过水流冰川运动自然过程输送物质沙子砾石化石碎片等。

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  • Setting up and maintaining instruments there is almost impossible unless the equipment is so sturdy it distorts its own data, by interfering with the flow of water and sand.

    在那里建立并且保持设备运行几乎不可能除非设备本身非常牢固否则沙子的干扰下,设备的数据会失真

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  • A subterranean flow of briny water could rearrange sand grains or alter surface roughness in a way that darkens its appearance.

    地下水流流动使得沙粒积累,并使得表面变得粗糙,从而颜色更深

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  • Scientists think the best explanation for the gullies is that seasonal melting of nearby water ice creates slurries of sand and liquid water, which flow down the crater's dunes.

    科学家认为这些沟壑形成最佳原因附近季节性消融而形成的沙浆液态水流下山丘形成了这些沟壑。

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  • In order to obtain the expected sand cooling and humidifying effect, requiring sand in the boiling bed to flow in uniform.

    使型砂获得预期冷却增湿效果要求型砂沸腾床上均匀的流动

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  • Good reservoir mainly includes sublacustrine fan-in-fan braided channel sand body and axial gravity flow channel sand body.

    好的集体主要湖底扇中扇水道轴向重力流水砂体。

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  • Love is in the hands of the sand, the more tight grip, the faster flow, finally, will have nothing.

    一把手中的细沙得越快最后一无所有。

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  • It is wrong that some users want to reduce the operation cost through reducing the flow rate of sand.

    有些用户通过降低砂料流速降低运行成本错误

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  • The effect of capillary pressure and water saturation on sand production has been researched through the core flow test in this paper.

    通过室内岩心流动试验,研究含水饱和度岩石出规律影响

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  • Developed wellbore transient flow model and friction calculating method for the sand mixed fluids effected by propant.

    建立了井筒不稳定流动模型,提出了支撑剂影响下的摩阻计算方法

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  • Injecting the mixing liquid of mud and foam achieves good effects for plastic flow property conditioning of gravel with sand.

    注入泥浆泡沫混合液砂卵石地层进行改善效果良好

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  • The behavior properties and corresponding mechanics of the three modes of liquefaction due to earthquake, was stated, namely sand boil, flow slide and cyclic mobility detailedly.

    阐述地震液化的三种表现形式循环活动性表现形式、作用机理和触发条件。

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  • Based on the digital mask technique, the distribution of sand area density and the sediment-transport rate in flow field were obtained.

    采用图像处理数字掩码技术,处理图像得到了沙粒中的密度以及单宽输沙

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  • In recent years, the numerical simulation of sand blowing process based on two-phase flow theory has been taken seriously and some results have been achieved.

    近年来,利用理论对射砂过程进行数值模拟已经受到国内外研究者的重视,取得了一些进展。

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  • The size of the channel depends on the flow and water level at the sand gushing opening, and in particular, maximum channel size is possible at low water level.

    通道规模取决于流量大小水位高低,尤其较低水位通道规模将最大

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  • The influeace of the sediment particles to the flow turbulence is an important problem of the water sand two phase flow.

    泥沙颗粒水流影响运动重要问题之一。

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  • A method that is used to monitor water flow in the bottom of drain sand pipe is designed.

    设计通过监测管线底部水流量估算地层出水量的方法。

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  • Combining the theoretical analysis and the existing experimental achievement, the important role of secondary flow for sediment ejection in sand funnel is researched for the first time.

    根据理论分析现有试验成果结合方法,研究排沙漏斗二次排沙中的重要作用

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  • Experimental data of moving sand grains are introduced and the turbulent structure of flow is investigated by laser current meter.

    本文采用激光流速仪对挟带推移质水流紊流结构进行了较系统的试验研究

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  • Based on the hydrokinetics and the multiphase flow theory, the paper studied the motion Of sand and water's in the axial flow turbine, silt wear and the feature Of flow.

    流体动力学出发,研究水轮机部件中的运动、包括泥沙磨损机理、流动特性等。

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  • Based on practice, the methods to control sand content in flour were presented in respect of wheat purchase, process flow, equipment selection and operation, production management.

    实践基础上,从原料采购工艺组合设备选用操作生产管理等方面提出控制面粉方法

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  • Based on practice, the methods to control sand content in flour were presented in respect of wheat purchase, process flow, equipment selection and operation, production management.

    实践基础上,从原料采购工艺组合设备选用操作生产管理等方面提出控制面粉方法

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