1、

Real-time surface velocity field measurement system and three-dimensional particle velocity measurement system are developed. Systematic experimental research on the movement of coarse sediment particles in open-channel flows was carried out using developed system.

本文研制开发了表面流场实时测量系统和颗粒三维运动测量系统,并采用颗粒三维运动测量系统对明槽水流中粗颗粒的运动进行了系统的试验研究。

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2、

the paper proposed the methods of multi-azimuth inverse vsp tomography to calculate near-surface velocity aimed replacing micro-log method at complex surface places.

本文首先就复杂地表常规微测井技术求取表层速度存在的问题,提出了多方位角逆VSP层析成像方法。

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3、

spall signals were measured by monitoring the time-resolved free surface velocity histories of the targets with visar technique.

采用VISAR技术记录样品自由表面历史,获得样品中发生层裂的信号。

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4、

The Optical System of the Laser Sensor for Solid Surface Velocity Correlation Measurement

固体表面速度相关测量激光传感器光学系统

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5、

The impact depth decreased and the cavity height improved with the gas flowrate increased. The improved surface velocity and temperature showed that the upper circulate of the steel was enhanced when blowing argon gas.

随着吹氩量的增大,流股的冲击深度逐渐减小,窝心高度有所上升;结晶器液面速度和温度的提高表明了氩气吹入后,钢液的上循环流动得到了增强。

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6、

Analysis of Soft-measurement System for Measuring Solid Surface Velocity

固体表面速度软测量系统分析

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7、

by the numerical simulations of the free surface velocity histories and based on the best consistence between the computational results and the experimental ones, the material parameters in the damage evolution equation and the spoliation criterion are obtained.

通过自由面速度历史的数值模拟,并基于计算结果与试验结果间的最佳一致性,得到了损伤演化方程和层裂准则中的材料参数。

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8、

Variations of the surface velocity of the Kuroshio on section g in the East China Sea from 1956& 1975

东海G断面上二十年(1956&1975)来黑潮表层流速的变动

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9、

Analysis and Effect on Velocity Field in the Melt from the Surface Tension for Temperature Gradient

表面张力对熔体速度场的作用和理论分析

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10、

Surface condition in West China causes excessive velocity mis-tie at intersecting point of seismic lines to greatly reduce the accuracy of velocity field.

由于我国西部特殊的地表条件,使相交测线处常出现速度不闭合现象,明显地降低了速度场的精度。

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11、

This paper analyzed the relation between surface concentration of SO_2 in Chongqing downtown and these weather conditions such as wind direction, wind velocity, temperature inversion, fog and flow patterns near surface.

本文分析了重庆市城市SO2地面浓度与风向、风速、逆温、雾以及各种地面流场型式的关系,为研究城市大气污染分布和变化规律提供了科学依据。

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12、

Calculation of Divergent Velocity Pressure of Wing Surface by Using NASTRAN Software

用NASTRAN程序计算翼面的发散速压

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13、

First, the Taylor series about wave elevation function η in the liquid free surface of velocity potential function was derived, and the nonlinear equations of free surface kinetic boundary condition and dynamic boundary condition was gained.

首先将速度势函数Ф在自由液面处作波高函数η的Taylor级数展开,从而导出自由液面运动学和动力学边界条件非线性方程组;

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14、

The egg shape surface of third cosmic velocity in all directions

全方位逃逸的第三宇宙速度蛋形曲面

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16、

While a vehicle flying near surface waves, flow fields are analyzed based on ground ( water)-effect vehicle's features and the concept of corrective terms of unsteady velocity potential flow affected by vehicle-wave coupling is presented by means of a linear superposition principle.

针对地(水)面效应飞行器的特点,分析了近水面波飞行时的流场特征,利用线性叠加原理,提出了飞行器与水面波耦合影响的非定常速度势修正项概念。

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17、

With a special observation system, the surface thickness of concrete highway is derived by the velocity and time parameter.

采用特殊的观测系统,由波速及走时反推路面厚度。

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19、

Meanwhile temperature and velocity boundary layer form near the heated surface.

在热壁的近壁面处,烟囱中部温度达到最大值,速度和温度都较大,且在烟囱热壁近壁处形成温度边界层和速度边界层。

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20、

Finally, analyzed main tunnelling parameters such as tunnelling velocity, grouting pressure, thrust force of the jack and the relationship between chamber pressure of the NO.3 stress point with surface settlement based on the project examples.

最后结合成都地铁1号线2标段工程实例,分析了盾构施工主要施工参数如:掘进速度、注浆压力、千斤顶推力、3号应力点土仓压力和地表沉降的关系。

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